Bottlehead forum. That's what is so great about the Bottlehead forums.

Bottlehead forum Started by Ken. Jul 9, 2024 · We recommend building Bottlehead products in the basic (stock) form first, and then listen to it for a few weeks before implementing upgrades. Feb 16, 2010 · You can split the plate resistor in the SEX. Tube rolling in the Mainline dcham · 14318 « previous next Apr 15, 2010 · Hi, I am trying to improve my Bottlehead S. Moreplay. Toobz · 1274268 « previous next Aug 10, 2020 · edit: another 'mod' was building a power cable, similar to the Bottlehead kit (in terms of braiding), but I used 20awg solid Neotech OCC copper in PVC, same as I used in the power supply wiring. Both of those tubes sound very loose on the bottom end and both have a very faint high pitched ringing in the right channel. I'm very happy with my current turnable, but I like the idea of assembling one myself. 5670 driver tube rolling options fritzthecat · 25589 Apr 15, 2014 · Bottlehead is very careful in their design of circuits. Granted, I only have an RCA 6AS7G and an Amperex (made by RCA). Did anyone have any impressions of the Bottlehead Mainline (headphone amp) prototype they wouldn’t mind sharing? Um, had a chance to listen to it at Bottlehead last week. They sound excellent to me, though they don't do deep bass and the top peters out above 10K (but so do my ears). and ultimately gave the bits to Paul Birkeland of Bottlehead Customs to build one for me. 4928 Posts 534 Topics: Last post by Ivan303 in Re: Done! on Today at 05:26:52 AM Bottlehead Power Cord Kit. The FP III is wired for a 12AU7 (12. 229 Posts 28 Topics: Last post by Karl5150 in Re: The right angle plug on March 14, 2024, 08:44:41 AM Technics Tape The Bottlehead Forum has hundreds of members ready to answer questions and offer support to your first kit build. 0112) partly because exotic capacitors are often not available in all values, but 0. Driver rolling: 12BH7s, E80CCs and 6SN7s Nick Tam · 18213 « previous next Hi all, apologies if this is a dumb question. 03uF for the Eros (Seduction has 0. Foreplay III. The Seduction/Reduction audio path is only about 3" long, maybe 4". Sign up Bottleheadquarters • 26272 Twelve Trees Lane NW, Suite D Poulsbo WA 98370 • 206-451-4275 Jan 10, 2022 · This was posted by PJ on our old forum and is still floating around: "Carbon composition is the best for low inductance, which is important in grid stoppers which are effective at hundreds of MHz. May 23, 2018 · Is there anybody else out there who like me thinks Doc should release a fantastic DIY turntable? Now that people have recognized what a vinyl has to offer is a good opportunity to resurrect one of those great idler drive classics like Lenco L75 or Garrad 301 from oblivion and let people realize what real analogue sound is. 1 Replies 4570 Views February 22, 2024, 05:48:26 AM Jun 12, 2021 · Keeping everything exactly the same with the bottlehead, there is more detail but less oomph. Mar 27, 2022 · The power transformer has been panted black, making it hard to photograph. Pages: 1 2 3 13 Go Down Subject / Started by Replies / Views Last post ; 0 Members and 2 Guests are Join the Bottlehead Forum for the latest product news and updates. . MonAmour, our new premium 2A3 monoblocks kit Jan 21, 2025 · This is a topic that comes up a lot on audio forums, with a lot of misinformation floating around that really confuses things. It just takes a little time to be methodical. 6amps, vs. Unfortunately by the time we actually found time to write the manual and pull the parts list together for an initial parts order the supply had been depleted. Have tried changing interconnects, etc, but can't seem to isolate the problem YET. S. Definitely appreciate the input. The pin outs, meaning what is attached to all the pins, are the same except the 6DJ8 doesn't have a center lead to the heater like the 12AU7. Can anyone help me figure out? Started by decommo Oct 18, 2023 · Don't worry yet - we have a good record of resolving problems like this through the Forum. I haven't done a careful listening comparison, but based on what I know of the details, I expect the BH-5 to sound a hair better, even though it will likely take a bit longer to burn in. , Mainline) produce the most power into low-impedance phones. The single shunt version puts only two precision resistors in the audio path at any given time. is. Crack. Paul Birkeland Dec 26, 2024 · Bottlehead Forum. ), and I find myself going back to Crack after listening them (for casual listening as you said). The stepped attenuator will also be in the signal path. Apr 16, 2013 · I was just wondering if anyone had any opinions directly on shielding within a Bottlehead amp chassis. Modifications to run e80cc/12bh7a/5687 for Crack+Speedball Jun 19, 2016 · Bottlehead Forum. , on magnesium wand, grado sumiko etc. It is completely understandable considering the overwhelming number of inquiry they must have received during BlackFriday period. Thanks for your patience with us! « Last Edit: September 04, 2024, 11:54:08 AM by Doc B. To resist that change in cathode voltage, convention has suggested a large capacitor across the cathode resistor to stabilize its voltage, but this capacitor sees signal current, so instead carefully chosen LED's were used instead that maintain nearly a constant voltage over a wide range of current draw. Aug 5, 2024 · Email Eileen at queen at bottlehead dot com if you need help. The black plate Raytheon 6414 looks pretty cool. In fact as I'm sitting here listening ( after attempting to fill my body with red wine ) there is still a small piece of masking tape on the front of the walnut base. Dec 23, 2021 · That’s very kind of you to say. Mar 4, 2015 · It doesn't seem overly difficult since there are many DIY build threads on various Vinyl forums. 1, Eros, Thorens TD-124/AudioMods Tonearm/Ortofon 2M Black, IFI Micro Idsd, HQPlayer, Altec 604-8G Duplex/620 Cabinets/Markwart Crossovers Oct 5, 2014 · Hi I'm a complete newbie, only soldering the odd guitar lead and a few xlrs in the past. Pages: 1 2 Go Down Subject / Started by Replies / Views Last post ; 0 Members and 4 Guests are viewing Sep 30, 2012 · Bottlehead Forum. 0 Replies 57868 Views October 19, 2009, 06:38:27 AM by Doc B. I found this Bottlehead preamp for sale near me, it is misidentified as PT-1 because the power transformer has that part number. 17 Posts 4 Topics: 1 day ago · Bottlehead Forum. Smack. X. Toobz · 1221883 « previous next Oct 24, 2010 · Hi, A common equivalent for the 6cg7 is the 6fq7. 033 and a paralleled combination of 0. According to the C4S manual, this is possible by configuring the kit with MJE340's and 2N2222's. May 7, 2014 · With a choke-in filter, the PGP8 can power a DC supply from the 6. in 2007 suggesting that Bottlehead put the C4S in the public domain some time ago, so I'm assuming there's no intellectual property protection issue. Pages: 1 Go Down Subject / Started by Replies / Views Last post ; 0 Members and 1 Guest are Jun 10, 2019 · Bottlehead Forum. Toobz · 1226060 « previous next Jul 13, 2012 · From what I've picked up in this forum and elsewhere, I believe it's probably the effect the 5998 and the 421A have on the Crack's output impedance. Jan 24, 2006 · This is the place where we organize all the creative loose bits that community comes up with – talented Bottlehead’s DIY upgrades to kits, construction tips, interesting schematics, photos of completed and modified kits, etc. Toobz · 1274062 « previous next Mar 2, 2020 · Bottlehead Forum. To my ears, they are the most speaker like and the soundstage was absolutely huge. The Bottlehead sound, as you have come to know, is detailed and extended. which used Sowter trannies. Chris H – Bottlehead Forum “The S. Apr 10, 2015 · BeePre, Paramounts 1. Once the amp has been up and running for a few months, there are a ton of tweaks and mods that you can consider. I use them in open baffle configuration. ) Sep 27, 2018 · Eros 2 uses the same great sounding circuit as the original Eros, with 50dB of gain, passive RIAA equalization, direct coupled EF86/6922 design based on our well regarded Tube Repro tape head preamp and our unique shunt regulator and C4S constant current sources. 0: mysterios on January 19, 2025, 08:18:03 AM Bottlehead Power Cord Kit. 6C45P tube Rolling. I scoured the Bottlehead site but I can’t find Feb 23, 2022 · In the thread I started on the Audiophiliac review of the Moreplay, I said I would share my personal thoughts on the Moreplay once I built it, and compare it to my Shindo Monbrison. Sep 26, 2010 · I've made a couple of power cords using a right angle IEC so far, the first using a DHLabs 10/3 power cable that was a little thick for my liking, and didn't incorporate a shield. Am using a Rega TT in this system. The latest addition is a very detailed review of Mainline: 6 days ago · 13 Replies 10962 Views August 27, 2023, 06:10:11 AM by AG New Member and Future Owner of a Moreplay Preamp. The first item was a pair of MQ Cobalt B-7 trannies for the output of the 6C45 tubes, and a pair of Transformer Volume Controls from I. Dec 2, 2011 · Yes, the Smack amp is designed to work with any dynamic headphone that doesn't require an unusual amount of power (i. i got a pair of HD650's last year for xmas off the wife, but have been unable to power them with an amp as yet due to low funds…… I've done some research and i can't bring myself to buy anything other than the crack, despite having major concerns about my ability to assemble it. MonAmour. 0012 for net 0. The 6BX7 current would be fixed by the current sink, was going to run it at around 90% plate dissipation, 325V plate-to-cathode at 28mA. isldkid on the Bottlehead Forum . Jun 16, 2011 · Bottlehead Forum. 01uF and 0. We would have to use the kind of jacks on the Mainline to ensure that the wood thickness doesn't present an issue, then we'd need appropriate screws to go into the wood, then we'd need to write instructions for balanced vs. amp. Pages: 1 2 3 17 Go Down Subject / Started by Replies / Views Last post ; 0 Members and 154 Guests are viewing May 31, 2013 · Seems like there's a definite preference on this forum for the sound of 6AS7G tubes over the less glamorous looking 6080 tubes. Tube Rolling w/Crack. Dec 11, 2024 · Bottlehead Forum. in Welcome to the Nov 24, 2013 · When you elevate with DC, it's generally to keep the heater/cathode voltage within specifications. Legacy Kit Products. A closer, better illuminated look at it would help, but I think the colors of the wires suggest it's the stock unit. To model it accurately, you need to know a number of things, like eddy currents in the laminations and hysteresis of the core material. Mar 15, 2015 · Bottlehead Forum. The purpose of balanced cable interfaces is for noise reduction on long runs of cables. Dec 26, 2024 · I cannot recall which version my oldie S. Sign up Bottleheadquarters • 26272 Twelve Trees Lane NW, Suite D Poulsbo WA 98370 • 206-451-4275 Feb 21, 2020 · Bottlehead Forum. Aug 8, 2022 · The available power depends on the headphone impedance and the signal voltage applied to the headphone amp. 0. 6C45P tube Rolling Lambert · 50533 « previous next Join the Bottlehead Forum for the latest product news and updates. transformer volume controls. That's also why I attempted to resolve without them, hoping to relieve their workload a little bit. These tubes lower the circuit's stated 120 ohms enough to reap damping benefits, especially with the 600 ohm DT 880 phones that I use with my amp. 02. Or shave the plate resistor a little, say a 130k and a 20k then add the 4k choke at the plate. Jan 15, 2025 · Hum while running Bottlehead Crack + Schiit Lyr 3 off Bifrost 2. You could leave the 150k and put in a 4k ohm choke connected to the plate. G. Toobz · 932441 « previous next Oct 11, 2018 · (2) The Bottlehead Power Cord Kit: I found that it noticeably improved the sound. Jun 13, 2024 · I was going to ask about the S. Sep 27, 2021 · Bottlehead’s basic headphone amplifier kit, the “Crack”, is probably the most well known, and best regarded, kit-based/DIY headphone amplifier there is. 4924 Posts 533 Topics: Last post by bucketofguts in Re: Eros 2. Tube Rolling w/Crack Dr. is a SUPERB amplifier, extremely quiet, has great tonal definition and imaging, and a listen all day quality that’s very beguiling. Started by aragorn723. This forum has been archived. Apr 6, 2011 · Yes, like in some Bottlehead power supplies, two caps of the same value in series cuts the value in half and doubles the voltage rating. I would like to ask your help deciding between these two very well regarded tube preamplifiers, Moreplay and BeePre2. Headphone socket wiring / schematic. Driver rolling: 12BH7s, E80CCs and 6SN7s. Resonessence Concero -> Bottlehead S. Custom Edgarhorn with Seismic sub Nov 8, 2019 · Bottlehead Forum. Modifications to run e80cc/12bh7a/5687 for Crack+Speedball. Quote: Originally Posted by HiGHFLYiN9 . Originally 100 ohms and up but Doc modified the recommendation to 200 ohms plus. Tube rolling in the Mainline. will remember the specifics better, but I think you may need to take a rough inventory of the parts and let us know exactly what you have. X amp by replacing the coupling capacitors. This is within the capability of the Moreplay power transformer, but the series heater resistors may need to be adjusted. Guys/Gals, tell me about your Foreplay (preamp, that is. Jun 2, 2010 · Bottlehead has selected the best capacitor they can afford to put in the kit at the price point they sell it for but it can be made better. 60mA isn't impractical for a cathode follower. Paul, got a cheater plug, no change. I terminated it with some surprisingly affordable Furutech plugs with copper contacts, so that the power cable is high purity copper from tip to tip. Apr 9, 2024 · After a couple of months I have finally managed to complete my Bottlehead Crack! Started with the basic model - all was good and enjoyed but since I already had the speedball update I installed that - this is when the "fun" began! Oct 3, 2022 · The SEX amp is definitely a better sounding amp than the Crack and can drive most headphone available, but tube rolling options and possible customizations are a bit more limited. There are certainly some changes that should be made to the original design, mostly having to do with the wattage of the cathode resistor, but that can all be sorted out once Join the Bottlehead Forum for the latest product news and updates. PJ has appropriately pointed out that any amplifying device only modulates the power supply, therefore the power supply is in the signal path. 5V. Kit. Jun 13, 2019 · I came across a post on diyAudio from Doc B. Please respond with corrections, if I messed up. I know I have a tendency to overthink things prior to doing them. Pages: 1 2 3 7 Go Down Subject / Started by Replies / Views Last post ; 0 Members and 2 Guests are Aug 7, 2011 · A quick note - I chose 0. Started by wolfhill138 This forum has been archived. 01 and 0. Theoretically the 6cg7 as an internal shield between the sides, but that isn't always tre as I've seen 6cg7s both ways and 6fq7s both ways as well. Started by MCurtis846. Feb 25, 2014 · After reading about the Soul Sister/Kugelis proposed linestage in the Bottlehead newsletter, I began ordering and saving parts for the build. Bottlehead Forum. sex amp upgrade advice tlm · 13589 « previous next Feb 6, 2024 · Hi all, I am newbie in this forum, I am from VA. As I said in my reply to Deke609 (posted March 8 at 04:45:05 PM), the parafeed output transformer is not a simple inductance. 10uF/400V? Is there a downside to going higher on the voltage or is it just unnecessary? Jan 15, 2018 · Crack is new and has about 20hrs in. Crack too quiet? Crack too quiet? Kabnis715 · 2874 « previous next Bottlehead Forum. 3 days ago · 158 Replies 83704 Views December 16, 2024, 08:23:22 PM by amirhosein: Mainline final volt test fail. That's what is so great about the Bottlehead forums. And it is pretty much foolproof (but be careful with the shrink tubing). 5 days ago · Bottlehead Forum. Jul 17, 2015 · SGS iTransporter with Qobuz & Roon to Optical Rendu to BH DAC (Battery) / Wavelegth Cosecant to BeePre to 300b(ehemoths) to Jagers. From the perspective of pure sonics a stepped attenuator with good resistors is the best. Sign up Bottleheadquarters • 26272 Twelve Trees Lane NW, Suite D Poulsbo WA 98370 • 206-451-4275 Nov 13, 2024 · There were plenty in stock at our distributor for an initial run when we were first getting ready to write the manual. First, it is in fully stock configuration, except I bypassed the vol & bal pots with 221k resistors I had left over from another project (I have the shunt regulator, but am working through an issue with the board). Is there anything else that can be done on the software side? Not sure i'm ready to pull the trigger on a optical to usb interface as a lot of the ones i've seen limit the bit rate and such. , etc. , and so on. Bottlehead Kits. I am wondering if I can replace it by a 2u 500v capacitor. 5670 driver tube rolling options. Headphone socket wiring / schematic mcandmar · 6849 « previous next Jun 10, 2016 · AN Kits L3 Phono / Bottlehead EROS Bottlehead Kaijus for JBL 2402, JABO 75 (JBL 2445/Truextent), Orishorn 150 (JBL 2108) Silvercore 833C for (Klipschorn/Crites) Oct 21, 2012 · Not really, the E80CC has the 12V heater with a center tap, so the pinout is different than the 6N1P. and good you mentioned about the high resolution and mastering. The C4S would be used in place of an existing triode CCS (see attached file). Kaiju Stereo 300B amp. But some time ago one Crack user reported that his low-Z Grado works great on Crack, which really surprised me. tube ringing. Jun 26, 2020 · This was a longer and more involved build than the other Bottlehead kits I've put together, but I enjoyed every second of it! Scott Burgess BeePre 2, Kaiju, Eros 2, Rega P6, Rega Apollo CD player, Bryston BDA-1 DAC, Bryston BDP-1 streamer, Jager speakers, Mainline and Crack for headphones. 1 Posts 1 Topics: Last post by Doc B. 3-v winding - if you use low-loss Schottkies and a low resistance choke. 1- Alps, Mundorf Stock Crack Reduction with Mundorf, Clarity caps Schiit Asgard, Schiit Lyr Bottlehead Forum. Nov 15, 2024 · This issue got better for a while, now the dac is cutting out again. Since the 6080 was designed as a voltage regulator, its tolerance to these voltages is incredibly high (+/-200V IIRC), so we optimized the Crack for the 12AU7, and the heather cathode voltage is a paltry 1. I’m a big fan of tube rolling, and I have several different varients with and without adapters: 12bh7, e80cc, 6sn7, 6f8g, 6c8g, 7193 and cv6, 6j5the list goes on and on. Pages: 1 Go Down Subject / Started by Replies / Views Last post ; 0 Members and 1 Guest are viewing 2 days ago · Bottlehead Forum. Child Boards. Foreplay wiring diagram. Mar 8, 2012 · Bottlehead Stereomour with V-cap, Mundorf, Alps SEX 2. sex amp upgrade advice. » The extra hole means keeping another two different pieces of wood in our inventory. My goal in going this route is to learn as much as possible along the way - and because I really am a newb and I have many Jun 15, 2018 · Some thoughts after two weeks with the Stereomour II. This is accomplished by having th Sep 3, 2014 · The Paraglow kit is closer to more like 1995. I’m always wary of things I learn from Google university, so I appreciate your willingness to help with my gaps and misconceptions - this forum really is as good as advertised. Jan 16, 2025 · Bottlehead Forum. Is the Garage1217 12AU7 to 6SN7 adapter plug and play? Is the Garage1217 12AU7 to 6SN7 adapter plug and play? Sep 24, 2018 · Bottlehead Forum. Aug 8, 2020 · Bottlehead Forum. 6V), so the heater wires are wrong to begin with. With your 40V of bias, what's the standing grid current? Aug 30, 2016 · Where should I start upgrading the Crackatwoa? So far mines is stock without the step attuenator. Lowther medallion 2 with pm2a. Jan 18, 2025 · Original (pre 2010) Bottlehead Forum Archive. Bottlehead does it right by putting high (resistance) value resistors in parallel to equalize the voltage across the two capacitors and act as a bleeder so you can work on them faster. K1000s). Stereomour II. Join the Bottlehead Forum for the latest product news and updates. Moreplay Upgrade. 03. Apr 7, 2011 · I burned in according to Granger's method for four (4) days and had some listening tests. 01 is always available, and you can parallel three of them to get 0. After a couple of days use in the Foreplay III things were different. or Quicksand. That's why I suggested maybe it's the way the amp is voiced, understanding everyone has individual preferences and unique pairings to sources and speakers. General Category. Pages: 1 2 3 13 Go Down Subject / Started by Replies / Views Last post ; 0 Members and 2 The Bottlehead Product Line Welcome to Bottlehead. Crack or other OTL amps normally are suitable for high-Z headphones. etc. 2. Sign up Bottleheadquarters • 26272 Twelve Trees Lane NW, Suite D Poulsbo WA 98370 • 206-451-4275 The 6922 is a 6DJ8 (6. 229 Posts 28 Topics: Last post by Karl5150 in Re: The right angle plug Apr 29, 2010 · I've so voided my warranty: All of the signal path wire is multiple-strand silver-plated Teflon mil-spec, the RCA jacks feed the pot via Canare shielded quad, the pot's from DIY-HiFi (their Alps clone), the headphone jack is a Neutrik locking jack, the caps are those huge Axon films, and I've rolled in a RCA 6AS7. However this is not about sound, the Elekit (with Lundahl) will power regular speakers well and sound full with great bass while the sex you will have to seek out high sensitivity speakers. Started by Tbar « 1 2 » Feb 23, 2017 · Ha Ha - confession to make before photos . 45 amps). Guys/Gals, tell me about your Foreplay Join the Bottlehead Forum for the latest product news and updates. Here you will find vacuum tube based amplifier, preamplifier and headphone amplifier kits, speaker kits, finished high end tube audio products, reel to reel tape machine upgrades, parts, and one of the finest support communities on the web. 1 -> HD800 Yeah just using a pot would simplify things wouldn't it. That -100V supply will be shunt regulated so should work fine. Sep 13, 2019 · Bottlehead Forum. The sound is more detailed, not lacking in bass definition, not soft on the highs. To post new messages, visit The New Bottlehead Forum. Jun 23, 2014 · The Bottlehead tubed phono stages are not "classic" tube sound. It is now hooked up to the new Quicksand amplifier and sounds great! I forgot how nice the Foreplay sounds. Jun 23, 2012 · Jann Olsen, [email protected]. amps (Stax and some studio equipments etc. Foreplay wiring diagram Entropyman · 15457 « previous next Aug 6, 2010 · Bottlehead Forum. 3V) variant. Bottlehead is pretty consistent where good design and good practice are concerned! In the past, I've used grid-stoppers up to 10 kOhms in pre-amp circuits; the amount of current running through them would generally be measured in micro-amps, if you could measure any, so the value is not all that critical, either. It is an all-tube output-transformerless (OTL) design, intended to… Oct 2, 2009 · A forum for the discussion of the Eros premium phono preamp kit . Sep 11, 2012 · Crack is really designed for higher impedance cans. E. Dec 15, 2012 · FP 1,2,3, Seduction, 45, Paramount 300B, Paraglow2A3; Dehavilland 845, Eico pp 805,Adcom 555 mono, Sota star saphire ugraded Nova motor & bearings, Et 2. Jul 6, 2015 · Bottlehead Forum. e. ” –Jeff Poth, Enjoy the Music DIY “The HD800. I already have the schematic (from the the SII kits I have), but I'd love to read the handbook or whatever documentation used to be supplied with the Data for some of the tubes mentioned [to the best of my knowledge]. Follow bottlehead Loquah has done an intensive comparison of the three Bottlehead headphone amps on Head Fi. Started by Doc B. unbalanced HP jacks, etc. May 24, 2022 · To be honest the bottlehead sex sound is not really my thing in general (Comparisons 2x bottlehead crack, elekit 8200, wd kel84, sansui 555a). Toobz · 1271373 « previous next Jul 14, 2010 · Bottlehead Forum. Started by AG Jul 10, 2021 · I’m away from home and don’t have the manual on hand so I went from discussion in these forums. Try high gm tubes like the 6BX7, 6BL7, 6080, 6AS7, 5998, 12GN7, etc. Dec 20, 2010 · I'd like to try to use the Bottlehead C4S as a differential amplifier cathode load. Mainline. Feb 10, 2020 · Bottlehead Forum. Apr 7, 2014 · I brought 1 meter of Cardas quad eutectic solder off of ebay (plenty for Crack + speedball) as I noticed quiet a few recommendations for it on the different forums. Sep 7, 2013 · Mike "Stein" Ayotte Current Gear: Elekit TU-8600 300B w/Lundahl Trannies Herron Audio VTPH-2a Rega RP8 w/ Apheta 2 Bluesound Node 2i Audio Note E Speaker Kit-04 w/ AlNiCo drivers 3 days ago · The 5992 differs from the 6V6 in that it takes more heater current (0. So it’s 0. 10 Replies 2836 Views March 30, 2023, 04:31:25 AM Mar 8, 2024 · Bottlehead Forum. I was thinking of replacing the output capacitor first, with a 100uf 350v mundorf evo al-oil or maybe 47uf 600v mundorf supreme evo oil (I think the -3db point is at around 10hz might be a problem with phase below 100hz. MonAmour, our new premium 2A3 monoblocks kit. This system is in a different location so I can't change back. / extended foreplay lll,/EROS phono /Grado ref/ SOTA star Vacuum SME V, / 45 amp direct coupled,c4s,mQ nickel / paramour 2a3 w MQ iron /Original SEX monos /Jena Cables /heathkit wm6a/ proAc Tablette 50 sig , with push pull Oct 12, 2014 · This Foreplay was my first Bottlehead kit that I assembled, it features Kimbercaps and sweet whispers. Bottlehead Stat headphone amp with Wavelength Brick DAC Nov 28, 2019 · Hi all! I’m currently working on my 2nd crack, my first is +sb with some cap upgrades. The 128 ohm tap is great for headphones with impedance anywhere above 120 ohms. Sign up Bottleheadquarters • 26272 Twelve Trees Lane NW, Suite D Poulsbo WA 98370 • 206-451-4275 Aug 2, 2021 · Bottlehead Forum. Missing screws will be sent out and typos in the manual sent with the first 15 kits are listed below. Sep 5, 2017 · When you order you will also receive a coupon for 15% off of any Bottlehead loudspeaker amp kit - Kaiju, Stereomour II, Seductor, S. Oct 23, 2011 · This little nugget explains some other choices Bottlehead made. 4 days ago · A forum for the discussion of the Eros premium phono preamp kit . A. Thats with HD - 600`s « Last Edit: January 10, 2012, 07:35:08 AM by Lar » Nov 25, 2024 · The first of the Moreplay upgrade kits have been completed by users and they have graciously shared info on the errors they found. But this keeps the wiring from picking up noise. FC . Sign up Bottleheadquarters • 26272 Twelve Trees Lane NW, Suite D Poulsbo WA 98370 • 206-451-4275 Jan 10, 2012 · I`m also using a 6SN7 Electro-Harmonix with adaptor, running Squeezebox threw Emotiva XDA-1 Dac with great results. A forum for discussion of the Bottlehead Power Cord Kit. Smash. It's easier to build and easier to debug and fix any problems that way. It meets the voltages specifications (in the Speedball pdf at least, not sure if those in the Crack pdf are still valid when the speedball is installed, and I just have a slightly different input resistance on the RCA jacks of about 10%), and the solder joints seem pretty good, I was careful not to make cold joints. There are balanced (xlr) and unbalanced (RCA) cable interfaces. 5 carbon wand on Shelter 901, Koetsu rosewood Sig. Mar 16, 2011 · I too was excited by the original Soul Sister and subsequent Kugelis articles in the VALVE issues. May 21, 2019 · I have two pairs of speakers, one with an 8-ohm nominal impedance and another 4-ohms, that I'd like to alternately drive with my Kaiju. choosing a coupling capacitor wwmhf · 31367 « previous next Feb 16, 2013 · In reverse order 2) The BH-5 has the same coil design as the TFA-2004Jr, but different construction and materials. Aug 18, 2019 · Thanks Richard. You have the attention of the guy who did the mechanical layout of the SII (and our chief technician) PB, as well as the circuit designer (myself). Sign up Bottleheadquarters • 26272 Twelve Trees Lane NW, Suite D Poulsbo WA 98370 • 206-451-4275 Bottlehead Forum. 11:51:56 10/15/09 (2) Nov 19, 2009 · It seems 6414 tube is a slightly lower Mu version of 12AT7 with similar specs, kind of like 5751 instead of 12AX7. First evening we liked the original caps best. Mar 17, 2016 · Bottlehead Forum. choosing a coupling capacitor. Nov 28, 2016 · I messaged Bottlehead on FB few days ago but they have yet replied. Crack as preamplifier. I don't have the full complement of Legacy manuals, but I think the Paraglow at least directly coupled, so changing to a lower gain tube like the E80CC is going to move the plate voltage around, and that will upset your 2A3 a bit. I haven't finished the base - either on the Kaiju or the Bee pre . Oct 5, 2020 · But I heard Bottlehead SEX and Mainline work great for both high-Z and low-Z headphones. PJ and Doc B. Forum Rules. I just received mine - 2 x 10uF, matched at 10. And, the first five people to order will receive a special thank you gift. OTL amps (Crack, Crack-a-two-a) produce the most power into high-impedance phones; amps with output transformers (S. Now, the amp has a 2u 630V. I think I listened so called resolving or transparent etc. It can power the driver too, providing heater DC voltage for hum protection at the same time. At the same time I also picked up some cheap resin core 60/40 to practice with I had somehow concluded the eutectic would be harder to use than the 60/40 but actually found the Jan 6, 2025 · 1 Replies 1321 Views April 01, 2023, 11:12:17 AM: Separating Power Supply. A recent topic here gave me the idea of switching the output transformer impedance between 4 and 8 ohms conveniently. This is a board for the discussion of the Bottlehead Moreplay Upgrade kit. Thank you Bottlehead for another fine product and the excellent support. Forum - beginning the transition - Doc B. Please check here before posting for a few simple rules. Nov 8, 2022 · The Lii F-15s are the speakers I've been using for about three years now. They are not difficult to build especially with g Jan 9, 2025 · 4 Replies 7435 Views March 26, 2024, 06:43:24 AM: Pipette Speaker. Sublime Subwoofer Amplifier kit. I know some have used it with lower impedance phones but it's best with hi impedance cans. Crack as preamplifier sharpi31 · 4771 « previous next Dec 5, 2013 · Until around the end of last year, electro harmonix was manufacturing new gold pin 6c45pi's. So I collected parts including Mikey's B7 Cobalt-core trannies and I. They are noisy, but only if they have DC current through them, and the noise is proportional to the resistance. Bottlehead chassis, wood bases and speaker cabinets, transformers, PC boards […] Jan 16, 2025 · Bottlehead Forum. 7802 MU 9 / transconductance 20000 Of potential interest to BeePre owners: Chris Venhaus now has 250V ODAM caps in 10uF, 12uF and 15uf. Then, right as the mainline, wa7 and ecp l-2 all came out (all of which are based on this tube), they pulled the plug on it. yepxoc wlwop hzikr aukhct xpm tuipdhi hgxwb umrq pawois fybt