diyAudio Forums Archive > Top > Amplifiers > Tubes Pages: 1 2 3 4 5 6 7 8 9 10 11 12 [13] 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59  Tubes - Showing threads 2401 to 2600 of 11693 available ▫ VAL MPS mark II preamp gain reduction ▫ 10-11-2007 09:49 AM - 6 replies ▫ It is asked drawing 100 or 200 watts amplifier ▫ 10-10-2007 10:55 PM - 1 reply ▫ Mystery ST-70 Driver Board ▫ 10-10-2007 09:33 PM - 9 replies ▫ First Timer needs help ▫ 10-10-2007 08:47 PM - 24 replies ▫ Help. Bogen m60a ▫ 10-10-2007 08:09 PM - 5 replies ▫ grid-grounded preamp sound ▫ 10-10-2007 02:52 PM - 11 replies ▫ Rectifier switching / choke ringing noise ▫ 10-10-2007 01:03 PM - 13 replies ▫ Single Ended Amp Design -- Help Needed ▫ 10-10-2007 11:18 AM - 3 replies ▫ tube current ▫ 10-10-2007 10:01 AM - 5 replies ▫ Needed : ECF83, can anyone help ?? ▫ 10-10-2007 07:52 AM - 11 replies ▫ Problem with a solid state CCS ▫ 10-10-2007 07:00 AM - 5 replies ▫ Looking for low-ish rp single triode ▫ 10-09-2007 05:59 PM - 18 replies ▫ Cleaning beverage out of inside tube amp ▫ 10-09-2007 05:40 PM - 15 replies ▫ Aikido problems!!! ▫ 10-09-2007 02:31 PM - 16 replies ▫ Another Power Supply Question ▫ 10-09-2007 10:27 AM - 12 replies ▫ 2a3 output transformers.... ▫ 10-09-2007 04:18 AM - 3 replies ▫ yet another 6em7 amp ▫ 10-09-2007 04:18 AM - 6 replies ▫ zenith amp ▫ 10-09-2007 03:35 AM - 6 replies ▫ 6AG7 Amplifier ▫ 10-08-2007 07:47 PM - 11 replies ▫ Valve Power Supplies? ▫ 10-08-2007 01:15 PM - 2 replies ▫ tube tracer article ▫ 10-08-2007 11:39 AM - 0 replies ▫ PCB design techniques for Tube Amps ▫ 10-08-2007 06:23 AM - 13 replies ▫ Adjectives for tube sound! ▫ 10-08-2007 05:49 AM - 6 replies ▫ Question about Amperex tubes and a preamp ▫ 10-08-2007 04:33 AM - 2 replies ▫ I want to build a preamp for my dad.. thoughts? ▫ 10-07-2007 11:46 PM - 31 replies ▫ Constant Current DC Heater Supply ▫ 10-07-2007 10:10 PM - 10 replies ▫ Weekend Fun with Tubes - Guitar Preamp ▫ 10-07-2007 04:25 PM - 5 replies ▫ Which valves for MF CD-T ▫ 10-07-2007 04:23 PM - 1 reply ▫ 6C33C-EB / 6C33C-EV extended life ? ▫ 10-07-2007 01:46 PM - 2 replies ▫ Yamamoto A-08S RCA 45 tube amplifier original schematic ▫ 10-07-2007 11:32 AM - 1 reply ▫ Audiovalve RKV schematic (hybrid headphones amp) ▫ 10-07-2007 08:37 AM - 2 replies ▫ Music Angel EL34 XDSE ▫ 10-07-2007 08:20 AM - 1 reply ▫ Dynaco PAS Preamp Tone Controls ▫ 10-07-2007 04:32 AM - 0 replies ▫ build 805 or 845 se for ~$1000 ▫ 10-07-2007 01:02 AM - 5 replies ▫ Built a quick 26 pre yesterday..nice so far,, ▫ 10-06-2007 09:30 PM - 0 replies ▫ An UL preamp idea. ▫ 10-06-2007 07:43 PM - 15 replies ▫ 6BX7 PSpice Model? ▫ 10-06-2007 02:56 AM - 8 replies ▫ using 24G and 3B28 in an od ball amp....... ▫ 10-06-2007 02:10 AM - 6 replies ▫ Tube Line Buffer ▫ 10-05-2007 05:17 PM - 8 replies ▫ Please help me build an amp for my father ▫ 10-05-2007 06:41 AM - 25 replies ▫ Why is my phono amp fatiguing? ▫ 10-05-2007 03:23 AM - 25 replies ▫ Heater current drawn by 8416 ▫ 10-05-2007 02:49 AM - 3 replies ▫ want dead counterpoint SA100 SA-100 in good cosmetics ▫ 10-04-2007 08:52 PM - 0 replies ▫ Cathode Followers and Clipping ▫ 10-04-2007 08:42 PM - 7 replies ▫ transformer secondary connections ▫ 10-04-2007 07:31 PM - 0 replies ▫ imp amp ▫ 10-04-2007 03:32 PM - 0 replies ▫ Information 6DJ8 ▫ 10-04-2007 03:32 PM - 2 replies ▫ Smoothing Cap = Noise Source? ▫ 10-04-2007 07:11 AM - 2 replies ▫ peavey ultra 60 footswitch wiring diagram ▫ 10-04-2007 07:03 AM - 0 replies ▫ 6S19P budget SE. ▫ 10-04-2007 05:34 AM - 5 replies ▫ adding reverb to a PA head ▫ 10-04-2007 02:16 AM - 9 replies ▫ My 2 new latest Dynaco ST-70's ▫ 10-04-2007 01:10 AM - 10 replies ▫ help with KT88 / mikaels SE amp ▫ 10-03-2007 10:12 PM - 1 reply ▫ twin reverb 100 watt ▫ 10-03-2007 05:48 PM - 3 replies ▫ adding LEDs to amp head ▫ 10-03-2007 04:48 PM - 4 replies ▫ What Is Line Level???? ▫ 10-03-2007 03:32 PM - 3 replies ▫ chokes, caps, and long distance relationships ▫ 10-03-2007 05:23 AM - 3 replies ▫ First foray into tubes!! ▫ 10-02-2007 10:01 PM - 22 replies ▫ Simple Hi-end 845 amplifier ▫ 10-02-2007 06:03 PM - 56 replies ▫ increased choke inductance - recommended? ▫ 10-02-2007 05:21 PM - 8 replies ▫ HELP PLEASE - with preamp design ▫ 10-02-2007 01:08 PM - 5 replies ▫ Alternative to James OPTs ▫ 10-02-2007 07:29 AM - 25 replies ▫ DIY preamp tube: Audio Research Reference 3??? ▫ 10-02-2007 05:23 AM - 7 replies ▫ Crowhurst's Twin Coupled Amplifier ▫ 10-02-2007 12:10 AM - 23 replies ▫ 6lw6 tv sweep tube bias? ▫ 10-01-2007 11:11 PM - 14 replies ▫ 24V aikido build! ▫ 10-01-2007 09:01 PM - 10 replies ▫ magnavox tube radio ▫ 10-01-2007 08:29 PM - 43 replies ▫ New S5 L series kits ▫ 10-01-2007 07:09 PM - 1 reply ▫ Anyone has experience with Stranwood ▫ 10-01-2007 03:26 PM - 1 reply ▫ 6n6p amp ▫ 10-01-2007 10:59 AM - 2 replies ▫ DC Darling Amp – Buzzing on both channels. ▫ 10-01-2007 08:42 AM - 9 replies ▫ 6SL7 EL34 300B amp ▫ 10-01-2007 04:32 AM - 2 replies ▫ I just installed Yeos (DIY Paradise) DC Blocker ▫ 10-01-2007 02:06 AM - 10 replies ▫ Measuring Cathode Current ▫ 09-30-2007 10:30 PM - 7 replies ▫ Need the Ogirin Circuit of Bruce Berman ▫ 09-30-2007 03:45 PM - 5 replies ▫ Input Choke Too Small ▫ 09-29-2007 10:07 PM - 1 reply ▫ Poodle gives clues to capacitor construction ▫ 09-29-2007 09:00 PM - 7 replies ▫ Would a line stage/preamp be beneficial? NEWBIE question ▫ 09-29-2007 05:23 PM - 21 replies ▫ 6p45c ▫ 09-29-2007 09:21 AM - 9 replies ▫ fanon pa amp schematic ▫ 09-29-2007 01:57 AM - 3 replies ▫ line stage confusion ▫ 09-28-2007 10:07 PM - 2 replies ▫ Hammond Transformer Secondary Connections ▫ 09-28-2007 06:30 PM - 7 replies ▫ Klimo Merlin LS Tube Power Supply ▫ 09-28-2007 05:22 AM - 0 replies ▫ OPT Design Assistante (EL84) ▫ 09-28-2007 04:07 AM - 110 replies ▫ Hum - can't find an answer by searching the forum ▫ 09-27-2007 05:33 PM - 26 replies ▫ Please critique my plans for a WE91 clone. ▫ 09-27-2007 01:29 PM - 41 replies ▫ Emission Labs 300B Mesh plate ▫ 09-27-2007 04:28 AM - 3 replies ▫ DRD Power Supply ▫ 09-27-2007 04:00 AM - 1 reply ▫ Octal Champ works - pls check design ▫ 09-26-2007 11:46 PM - 9 replies ▫ telefunken EL 34 audio tube ▫ 09-26-2007 09:05 PM - 3 replies ▫ Bias instability in Heathkit W-5M amp ▫ 09-26-2007 06:55 PM - 2 replies ▫ EL-34 instability in EICO HF-35 amp ▫ 09-26-2007 05:43 PM - 0 replies ▫ Russian paper in oil caps - any good? ▫ 09-26-2007 02:21 PM - 18 replies ▫ Matching Impedances ▫ 09-26-2007 12:34 AM - 3 replies ▫ Open-Source Audio Input Switch ▫ 09-25-2007 11:21 PM - 60 replies ▫ Phono pre amp RF problem ▫ 09-25-2007 04:43 PM - 26 replies ▫ Best CHEAP + best BEST current production EL34? ▫ 09-25-2007 04:40 PM - 19 replies ▫ New toy ▫ 09-25-2007 01:49 PM - 4 replies ▫ EL84 SEP schematic. Some questions. ▫ 09-25-2007 01:36 PM - 5 replies ▫ Referencing DC heaters to cathode ▫ 09-24-2007 06:58 PM - 31 replies ▫ Need advice on Val Audio amp with EL-34 Tubes ▫ 09-24-2007 05:05 PM - 49 replies ▫ Please help a newbie with PSU current requirement for Aikido linestage ▫ 09-24-2007 02:07 PM - 1 reply ▫ Loudspeaker noise from 300B ▫ 09-24-2007 10:06 AM - 1 reply ▫ Schematic for GU-50, EL34, 6J32P ??? ▫ 09-24-2007 09:11 AM - 3 replies ▫ alternative for heater / B+ references ▫ 09-23-2007 11:15 PM - 4 replies ▫ need a little help from some tube Gurus!!! ▫ 09-23-2007 08:32 PM - 14 replies ▫ EF86 + SPICE = no noise contribution? ▫ 09-23-2007 08:18 PM - 1 reply ▫ One channel softer than the other, humming and buzzing ▫ 09-23-2007 05:46 PM - 3 replies ▫ 6n1 tube = 6n1p ▫ 09-23-2007 05:46 PM - 2 replies ▫ Parallel Output Transformers ▫ 09-23-2007 05:39 PM - 20 replies ▫ Distortion from heater sag? ▫ 09-23-2007 04:03 PM - 33 replies ▫ Testing 5842 / 417a ▫ 09-23-2007 08:56 AM - 1 reply ▫ RH ECL86 Amp: Dave? ▫ 09-23-2007 04:48 AM - 7 replies ▫ High gain pentodes ▫ 09-23-2007 03:12 AM - 14 replies ▫ Tube Matching and Push-Pull ▫ 09-23-2007 12:00 AM - 2 replies ▫ What constitutes a leaky Coupling capacitor? ▫ 09-22-2007 10:04 PM - 5 replies ▫ Question on Input Connections ▫ 09-22-2007 07:08 PM - 2 replies ▫ s5electronics tube amp kit damping factor ▫ 09-22-2007 12:25 PM - 9 replies ▫ 6L6s and cabinet selections HELP!!!! ▫ 09-22-2007 07:04 AM - 11 replies ▫ source of nickel + silicon steel laminations ▫ 09-22-2007 04:40 AM - 1 reply ▫ Explanation for this problem? ▫ 09-22-2007 12:19 AM - 4 replies ▫ turn off thump ▫ 09-21-2007 10:05 PM - 6 replies ▫ Pop from amp when turning off ▫ 09-21-2007 12:16 PM - 2 replies ▫ Big Paper in Oil Caps ▫ 09-21-2007 12:02 PM - 10 replies ▫ Valve noobie asks for help / advice ▫ 09-21-2007 01:12 AM - 40 replies ▫ Polypropylene vs electrolytic in Power supply ▫ 09-21-2007 12:15 AM - 25 replies ▫ 6S4P vs 5842 ▫ 09-20-2007 11:17 PM - 4 replies ▫ Calibrating Your Hickok Tube Tester ▫ 09-20-2007 06:17 PM - 0 replies ▫ Which 2A3 ? ▫ 09-20-2007 01:25 PM - 18 replies ▫ New design: 12V push-pull tube amplifier ▫ 09-20-2007 12:54 PM - 3 replies ▫ hybrid power supply: diode bridge into diode tube ▫ 09-20-2007 08:02 AM - 8 replies ▫ heater reference to B+ and buzzing trafo ▫ 09-20-2007 05:31 AM - 9 replies ▫ Just finished a new PP headphone amp - and it works !! ▫ 09-19-2007 05:15 PM - 22 replies ▫ Hum cancelling scheme? ▫ 09-19-2007 06:24 AM - 15 replies ▫ Run a transformer backwards? ▫ 09-19-2007 05:16 AM - 20 replies ▫ FIVRE RRCF info needed ▫ 09-19-2007 04:14 AM - 2 replies ▫ Siemens Valvo ED-8000 ▫ 09-18-2007 09:15 PM - 2 replies ▫ 6J5 and 6F6 SE - enough gain for guitar? ▫ 09-18-2007 05:32 PM - 10 replies ▫ My last Zamir Aleph ▫ 09-18-2007 04:56 PM - 18 replies ▫ Questions about first tube PSU! ▫ 09-18-2007 04:20 PM - 2 replies ▫ Looking for site ▫ 09-18-2007 12:11 PM - 3 replies ▫ Heater voltage mismatch ▫ 09-18-2007 12:51 AM - 16 replies ▫ Contacting Pete Millet for 813 PSU? ▫ 09-18-2007 12:46 AM - 2 replies ▫ Suggestions for first tube project? ▫ 09-17-2007 10:16 PM - 12 replies ▫ Just Saying Howdy ▫ 09-17-2007 07:55 PM - 2 replies ▫ Wiring a tube rectifier PSU ▫ 09-17-2007 07:07 PM - 8 replies ▫ Looking for a small yet powerful pentode / dual triode? ▫ 09-17-2007 01:20 PM - 15 replies ▫ Earth Bus Wire - Where can I get it? ▫ 09-17-2007 02:53 AM - 29 replies ▫ Tube Amp Startup ▫ 09-16-2007 11:29 PM - 30 replies ▫ 45 amplifier ▫ 09-16-2007 08:23 PM - 10 replies ▫ Noob saying Hi... ▫ 09-16-2007 07:52 PM - 11 replies ▫ Maida regulator ▫ 09-16-2007 05:40 PM - 12 replies ▫ Sensitivity limiter in Bogen MX60a ▫ 09-16-2007 03:33 PM - 0 replies ▫ Just finished first amp ▫ 09-16-2007 12:26 PM - 14 replies ▫ 6080 / 6AS7G power amplifier ▫ 09-16-2007 12:10 PM - 1 reply ▫ Schematics ▫ 09-16-2007 04:09 AM - 2 replies ▫ General questions before finishing up ST-35 clone ▫ 09-16-2007 03:48 AM - 8 replies ▫ Will a 12AX7 sub. for 12DW7/7247? ▫ 09-15-2007 11:40 PM - 6 replies ▫ Deutsche Wurlitzer Lyric Jukebox? ▫ 09-15-2007 09:10 PM - 0 replies ▫ Made in China buyer beware... ▫ 09-15-2007 08:32 PM - 33 replies ▫ Variac to power-up Beveridge OTLs? ▫ 09-15-2007 07:58 PM - 1 reply ▫ Any ideas on how old this is? ▫ 09-15-2007 04:06 PM - 5 replies ▫ Philips Tube radio ▫ 09-15-2007 03:01 PM - 5 replies ▫ Improve Avel toroid in OTL amp ▫ 09-15-2007 01:13 PM - 0 replies ▫ tube pre amp mods in queensland, australia ▫ 09-15-2007 02:07 AM - 1 reply ▫ 6SL7GT pre-amp ▫ 09-14-2007 09:39 PM - 8 replies ▫ Aikido circuit question ▫ 09-14-2007 09:02 PM - 3 replies ▫ question ▫ 09-14-2007 07:52 PM - 0 replies ▫ Edcor OPT's w/ SimpleSE ▫ 09-14-2007 06:51 PM - 52 replies ▫ Please check this PSU ▫ 09-14-2007 04:25 PM - 12 replies ▫ met. MKP in oil capacitors for PSU? ▫ 09-14-2007 09:15 AM - 3 replies ▫ EH EL34's at +600V? ▫ 09-14-2007 09:15 AM - 33 replies ▫ The Infamous Kay 703C! - Help finding an output transformer? ▫ 09-14-2007 08:05 AM - 4 replies ▫ MOT's as output transformers? ▫ 09-14-2007 02:53 AM - 9 replies ▫ Grain oriented silicon steel core data needed ▫ 09-14-2007 02:08 AM - 0 replies ▫ Gibson reverb driver transformer ▫ 09-13-2007 11:56 PM - 5 replies ▫ PSUD II help ▫ 09-13-2007 05:36 PM - 10 replies ▫ Edcor In SE Guitar Amp ▫ 09-13-2007 05:09 PM - 9 replies ▫ Tube curves ▫ 09-13-2007 12:42 PM - 4 replies ▫ S-5 electronics amp kits ▫ 09-12-2007 11:53 PM - 8 replies ▫ up-to-date El Cheapo schematic ▫ 09-12-2007 04:26 PM - 12 replies ▫ unknown output trannie ▫ 09-12-2007 10:59 AM - 1 reply ▫ Help needed with KT88 Amp design ▫ 09-12-2007 06:10 AM - 25 replies ▫ Bogen MX60a ▫ 09-11-2007 09:22 PM - 4 replies ▫ AIKIDO - Low-volage with buffer version ▫ 09-11-2007 12:59 PM - 3 replies ▫ 6N6P cascode calculation ▫ 09-11-2007 07:09 AM - 2 replies ▫ 866a Min operating voltages ▫ 09-11-2007 05:03 AM - 10 replies ▫ new 6V6 amp ▫ 09-11-2007 03:33 AM - 7 replies ▫ Tube-based CCS- 0.2uF cap OK? ▫ 09-10-2007 09:47 PM - 1 reply ▫ DHT filament PSU: What would you do? ▫ 09-10-2007 08:53 AM - 11 replies ▫ PSU problem ▫ 09-10-2007 06:00 AM - 6 replies ▫ 811A se amp using a solid state driver ▫ 09-09-2007 05:07 PM - 11 replies ▫ ECC83 - Long Plate vs Short Plate ▫ 09-09-2007 12:46 PM - 16 replies ▫ Tube Matching ▫ 09-09-2007 11:41 AM - 11 replies ▫ Cascoded mu-follower ▫ 09-09-2007 11:29 AM - 5 replies ▫ DIY speaker choice for SE ▫ 09-09-2007 07:34 AM - 11 replies ▫ Output transformer wanted ▫ 09-08-2007 09:58 PM - 2 replies ▫ big valve traffo for guitar amp? ▫ 09-08-2007 11:56 AM - 15 replies ▫ Tube Tester ▫ 09-07-2007 10:37 PM - 5 replies ▫ 835 amp ▫ 09-07-2007 08:34 PM - 2 replies

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