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 60 61  Tubes - Showing threads 4401 to 4600 of 12199 available ▫ perhaps an INSANE query... ▫ 02-19-2007 09:19 PM - 31 replies ▫ Possible to estimate transformer specs? ▫ 02-19-2007 08:50 PM - 7 replies ▫ 9 pin replacement sockets ▫ 02-19-2007 06:50 PM - 1 reply ▫ Bench PSU ▫ 02-19-2007 06:31 PM - 5 replies ▫ Need help to make a correct 83 (merc.vapor.rect) SS replacement. ▫ 02-19-2007 11:06 AM - 5 replies ▫ Joke of the day ▫ 02-19-2007 10:28 AM - 19 replies ▫ $300 tube amp budget. Which Amp?? ▫ 02-19-2007 07:32 AM - 32 replies ▫ Simple Linestage for 27 or 1H5? ▫ 02-19-2007 03:28 AM - 4 replies ▫ Foreplay III pre amp ▫ 02-18-2007 05:53 PM - 1 reply ▫ Fixing this 100TH ▫ 02-18-2007 05:44 PM - 1 reply ▫ I have some 5654 ▫ 02-18-2007 05:31 PM - 3 replies ▫ Multisegment capacitor replacement help. ▫ 02-18-2007 04:08 PM - 6 replies ▫ Amplifer calculation ▫ 02-18-2007 01:05 PM - 6 replies ▫ Auto Bias? ▫ 02-18-2007 04:33 AM - 0 replies ▫ Se KT88 with Quad ESL ▫ 02-17-2007 08:07 PM - 5 replies ▫ Parts from Salvage ▫ 02-17-2007 07:30 PM - 58 replies ▫ power supply question.... too many Volts? ▫ 02-17-2007 06:52 PM - 3 replies ▫ Heathkit A7E Conversion to Guitar ▫ 02-17-2007 02:46 PM - 7 replies ▫ Now wouldn’t this make an awesome monoblock. ▫ 02-17-2007 01:49 PM - 8 replies ▫ Please,help me for schematics!! ▫ 02-17-2007 07:39 AM - 0 replies ▫ Kofi Annan in: "Open for Suggestion" ▫ 02-17-2007 02:39 AM - 17 replies ▫ What connector for 300vDC DOMESTIC environment? ▫ 02-16-2007 09:52 PM - 7 replies ▫ looking for help in transformers. ▫ 02-16-2007 06:41 PM - 3 replies ▫ problems with 805 tubes ▫ 02-16-2007 05:07 PM - 18 replies ▫ Audio Research D-90 ▫ 02-16-2007 02:47 PM - 3 replies ▫ Replacing a 12AU7 in a cathode-follower. ▫ 02-16-2007 10:33 AM - 51 replies ▫ Original Dynaco 70 circuit mods/upgrades? ▫ 02-16-2007 06:15 AM - 25 replies ▫ is there a power supply unit for prototyping? ▫ 02-16-2007 01:27 AM - 8 replies ▫ Power Supply Design and Blocking ▫ 02-16-2007 12:50 AM - 2 replies ▫ OTL questions ▫ 02-15-2007 08:47 PM - 49 replies ▫ PP- which input/splitter topology?? ▫ 02-15-2007 07:28 PM - 41 replies ▫ Cathode feedback and DHTs ▫ 02-15-2007 07:24 AM - 10 replies ▫ How should Dick Olsher Blue Velvet measure?? ▫ 02-15-2007 01:10 AM - 3 replies ▫ Info on Melos MA-111? ▫ 02-14-2007 06:32 PM - 6 replies ▫ Aikido with dual personality ▫ 02-14-2007 06:21 PM - 40 replies ▫ Making a hole for AC socket in a chassis ▫ 02-14-2007 10:59 AM - 32 replies ▫ Liteaudio LS31 preamp pcb ▫ 02-14-2007 10:34 AM - 3 replies ▫ Thoughts on Quad II output topology ▫ 02-13-2007 09:05 PM - 29 replies ▫ HF-85 Rebuild advice ▫ 02-12-2007 10:09 PM - 22 replies ▫ Cheap Williamson amp kit ▫ 02-12-2007 07:16 PM - 4 replies ▫ Mr'Liang audio amplifiers ▫ 02-12-2007 06:23 PM - 156 replies ▫ plate ccs ▫ 02-12-2007 05:40 AM - 16 replies ▫ DC Huuuummmmmm ▫ 02-12-2007 05:00 AM - 4 replies ▫ Hey Gingertube - trying to debug Baby Huey ▫ 02-11-2007 10:39 PM - 3 replies ▫ question about nOrh SE 9 amp for FE207E ▫ 02-11-2007 10:02 PM - 1 reply ▫ 6N1P or EF86 for bass guitar preamp? ▫ 02-11-2007 07:10 PM - 14 replies ▫ Arc D150 ▫ 02-11-2007 01:43 PM - 0 replies ▫ help identify this "cleartop 6550" ▫ 02-11-2007 12:43 PM - 12 replies ▫ Cheap emergency gold sockets ▫ 02-11-2007 09:21 AM - 14 replies ▫ Is Western Electric for Real? KT88 Scam? ▫ 02-11-2007 04:25 AM - 2 replies ▫ Russian 635P? ▫ 02-11-2007 12:15 AM - 5 replies ▫ Swinging Choke or Smoothing Choke ▫ 02-10-2007 08:52 PM - 4 replies ▫ Amp de-bugging ▫ 02-10-2007 08:34 PM - 55 replies ▫ SMPS for B+ from PC PS ▫ 02-10-2007 08:14 PM - 1 reply ▫ Placement of tone stacks ▫ 02-10-2007 06:01 PM - 8 replies ▫ Rectify AC to DC for heating ▫ 02-10-2007 04:02 PM - 6 replies ▫ KT88 in class B ▫ 02-10-2007 08:38 AM - 3 replies ▫ 6FE5 Ultralinear? ▫ 02-09-2007 09:54 PM - 0 replies ▫ OPT -the good, the bad or the ugly ?? ▫ 02-09-2007 03:04 PM - 1 reply ▫ Switching power supply for tube-pre ▫ 02-09-2007 12:54 PM - 12 replies ▫ Using a zener to drop plate+screen voltages ▫ 02-09-2007 08:45 AM - 1 reply ▫ Will this circuit work? ▫ 02-09-2007 03:05 AM - 21 replies ▫ Ei 6CW5, any users? ▫ 02-09-2007 01:51 AM - 0 replies ▫ Simple tube preamp? ▫ 02-09-2007 12:28 AM - 10 replies ▫ push-pull and primary impedance ▫ 02-08-2007 11:57 PM - 16 replies ▫ DIY : SWR Interstellar OverDrive (bass preamp) ▫ 02-08-2007 04:03 PM - 13 replies ▫ sound valves m-40 schematics ▫ 02-08-2007 02:18 PM - 3 replies ▫ series connection of filament in push pull output stage ▫ 02-07-2007 11:39 PM - 42 replies ▫ Has anybody built this amp? ▫ 02-07-2007 09:41 AM - 1 reply ▫ Red Light District Amp Screen Reg ▫ 02-07-2007 03:37 AM - 20 replies ▫ AEG rectifier ▫ 02-06-2007 06:22 PM - 8 replies ▫ Gm emulator for calibration ▫ 02-06-2007 06:19 PM - 5 replies ▫ Greetings and a couple of questions ▫ 02-06-2007 04:56 PM - 18 replies ▫ Tubes in a chip amp power stage?? ▫ 02-06-2007 04:56 PM - 13 replies ▫ Yaqin MC-10L Preamp Tubes ▫ 02-06-2007 03:36 PM - 2 replies ▫ Sound of paralleld EL84 ▫ 02-06-2007 11:11 AM - 0 replies ▫ Preamp Question ▫ 02-06-2007 03:41 AM - 0 replies ▫ WTH -- UL back to triode connection ▫ 02-06-2007 02:36 AM - 3 replies ▫ $139 tube amp but cant remember where i saw it... ▫ 02-06-2007 12:46 AM - 8 replies ▫ better 6au6 alternative ▫ 02-05-2007 11:12 PM - 6 replies ▫ type 40 triode curves ▫ 02-05-2007 10:00 PM - 2 replies ▫ Cap size for Hg Rectifiers ▫ 02-05-2007 09:00 PM - 20 replies ▫ Anybody have experience building an OTL amp? ▫ 02-05-2007 06:22 PM - 8 replies ▫ Nytone SA2000 ▫ 02-05-2007 06:21 PM - 0 replies ▫ Inter stage iron in High End ▫ 02-05-2007 05:57 PM - 17 replies ▫ very peculiar psu problem ▫ 02-05-2007 03:51 PM - 13 replies ▫ testing a 13E1 ▫ 02-05-2007 11:53 AM - 16 replies ▫ JE Labs / Arnold Cruz 2A3 amp - Q ▫ 02-05-2007 09:04 AM - 3 replies ▫ 5842 grounded grid ▫ 02-05-2007 04:36 AM - 19 replies ▫ measuring hum ▫ 02-05-2007 12:18 AM - 16 replies ▫ 12A6 Healthkit A7 Amp ▫ 02-04-2007 11:57 PM - 2 replies ▫ Russian RF Double Tetrodes ▫ 02-04-2007 07:32 PM - 10 replies ▫ Opinions or inputs on Altec 1570B amplifiers ▫ 02-04-2007 02:20 PM - 26 replies ▫ Chinese EL34 amp to modify ▫ 02-04-2007 12:35 PM - 50 replies ▫ GE 97F cap polarity ??? ▫ 02-03-2007 10:20 PM - 0 replies ▫ 6C8G phase inverter ▫ 02-03-2007 10:05 PM - 4 replies ▫ Shall I disassemble this ampex for parts? ▫ 02-03-2007 09:24 PM - 9 replies ▫ Power Amp Build from Eico ST70 - Negative Feedback Question ▫ 02-03-2007 05:34 PM - 15 replies ▫ ECC83 cathode grounded = awesome overdrive (?!?!?) ▫ 02-03-2007 11:47 AM - 9 replies ▫ Looking for a Balanced Mic Preamp w 12AX7 ▫ 02-03-2007 11:23 AM - 4 replies ▫ Does anyone has a T.A.C.-34 or a T.A.C.-88 schematic? ▫ 02-03-2007 09:29 AM - 1 reply ▫ Conrad Johnson PV10L Phono stage DIY ▫ 02-03-2007 08:54 AM - 2 replies ▫ NEW KT66's ▫ 02-03-2007 06:11 AM - 18 replies ▫ Edcor outputs? ▫ 02-03-2007 05:32 AM - 4 replies ▫ Schematic Comment on 'Principles of Power" book ?? ▫ 02-03-2007 05:17 AM - 2 replies ▫ what kind of resistor is this? ▫ 02-02-2007 11:06 PM - 12 replies ▫ stereo push pull amp one heater supply for power tubes ▫ 02-02-2007 10:35 PM - 5 replies ▫ Building new GU-50 stereo amp... ▫ 02-02-2007 09:02 PM - 87 replies ▫ Tubes and microphonics ▫ 02-02-2007 07:27 PM - 13 replies ▫ 829 or GU-29 audio amplifier schematics? ▫ 02-02-2007 03:13 PM - 46 replies ▫ Electrolytic types... ▫ 02-02-2007 01:29 PM - 1 reply ▫ Consonance t99 schematic/ minimax pre ▫ 02-02-2007 12:25 PM - 1 reply ▫ Useful Supplier of Transformers, Chokes, Chassis and other stuff ▫ 02-02-2007 11:48 AM - 0 replies ▫ Serious case of brain fry. You out there Thorsten? ▫ 02-02-2007 09:19 AM - 19 replies ▫ Upgrading a Beard P100 tubeamp ▫ 02-01-2007 09:08 PM - 15 replies ▫ Tube Amplifier with OT100 ▫ 02-01-2007 04:40 PM - 0 replies ▫ bogen m120 schematic ▫ 02-01-2007 04:22 PM - 0 replies ▫ Question about Thorsten's Tube Phono Pre ▫ 02-01-2007 02:12 AM - 0 replies ▫ PP Output Trafo Measurement ▫ 02-01-2007 12:07 AM - 8 replies ▫ push pull balancing ▫ 01-31-2007 11:49 PM - 4 replies ▫ New issue Mullard Tubes ▫ 01-31-2007 11:09 PM - 8 replies ▫ Help on triode ▫ 01-31-2007 08:22 AM - 1 reply ▫ 5 Volt Damper Diodes? ▫ 01-31-2007 05:33 AM - 12 replies ▫ Please help diagnose preamp problem ▫ 01-31-2007 03:58 AM - 9 replies ▫ 6N1/6N3 substitution ▫ 01-31-2007 12:25 AM - 7 replies ▫ Cathode feedback and input impedance ▫ 01-30-2007 11:05 PM - 2 replies ▫ Optimal ripple voltage on b+ supply ▫ 01-30-2007 10:24 PM - 14 replies ▫ Setup suggestion between DAC-AH and ST-70 ▫ 01-30-2007 08:28 PM - 6 replies ▫ Simple Low Voltage Tube Preamp? ▫ 01-30-2007 06:42 PM - 11 replies ▫ Anyone built this 100W GEC amp? How is the sound? ▫ 01-30-2007 04:29 PM - 0 replies ▫ Does anyone have VT150 schematic? ▫ 01-30-2007 04:26 PM - 3 replies ▫ Ignition Coil Toobe Amplifier ▫ 01-30-2007 03:01 PM - 13 replies ▫ Voltage swing of Heffa? ▫ 01-30-2007 02:29 PM - 3 replies ▫ All pentode PP amp? ▫ 01-30-2007 08:35 AM - 7 replies ▫ GZ34 anode load resistor calculation - help? ▫ 01-30-2007 06:08 AM - 16 replies ▫ Capacitor choice for attached schematic ▫ 01-29-2007 10:39 PM - 11 replies ▫ need help with adding headphone output to S5 Electronics kit / K501 kit ▫ 01-29-2007 10:23 PM - 0 replies ▫ The sound of... tubes ! ▫ 01-29-2007 08:46 PM - 65 replies ▫ All quiet on the SN front - recommended choice of tubes ▫ 01-29-2007 06:29 PM - 4 replies ▫ Moscode 600 hum/turn off thump ▫ 01-29-2007 04:02 PM - 10 replies ▫ Tube Tester Resto Basics ▫ 01-29-2007 03:40 PM - 13 replies ▫ Marshall 100v 8100U Guitar Amp Hums ▫ 01-29-2007 03:20 PM - 0 replies ▫ What's the simple killer tube amp? Anyone? ▫ 01-29-2007 02:24 PM - 18 replies ▫ Help - CFB in a KT88 SE amp ▫ 01-29-2007 07:20 AM - 4 replies ▫ Any Russian speakers here? ▫ 01-29-2007 03:19 AM - 6 replies ▫ 6av6 Diode use? ▫ 01-29-2007 01:37 AM - 1 reply ▫ Power Supply ▫ 01-29-2007 01:03 AM - 6 replies ▫ Choke rating for choke input duty ▫ 01-29-2007 12:42 AM - 14 replies ▫ drawing a loadline for a power stage EL34 tube. ▫ 01-28-2007 11:22 PM - 3 replies ▫ Experiencing problems to insert tubes ▫ 01-28-2007 10:31 PM - 6 replies ▫ Preamp signal wiring ideas ? ▫ 01-28-2007 10:23 PM - 7 replies ▫ el34PP circuit evaluation!! ▫ 01-28-2007 07:58 PM - 2 replies ▫ "Re-Forming" Caps on Old Tube Amp ▫ 01-28-2007 03:20 PM - 6 replies ▫ Gary Pimm website? ▫ 01-28-2007 12:11 PM - 8 replies ▫ Haltron (UK), Trigon (UK) and Ultron (germany) ECC83 tubes info request. ▫ 01-28-2007 11:35 AM - 2 replies ▫ Audio Research D150 bias setting ▫ 01-28-2007 08:09 AM - 0 replies ▫ Cathodyne phase splitter with CCS? ▫ 01-28-2007 07:26 AM - 42 replies ▫ Has anyone tried 2 x 6550 100W amp? ▫ 01-28-2007 04:59 AM - 19 replies ▫ Headphone amp with tube PS ▫ 01-28-2007 04:54 AM - 22 replies ▫ modelling PSU for Aikido ▫ 01-28-2007 12:09 AM - 16 replies ▫ 27 head phone amp or.?? ▫ 01-27-2007 06:42 PM - 0 replies ▫ New Chassis Fabrication Pics and Capacitor Question ▫ 01-27-2007 03:04 PM - 9 replies ▫ Replacing old caps in the SP8 pre-amp ▫ 01-27-2007 10:55 AM - 5 replies ▫ Tube choice for Class A2 ▫ 01-27-2007 05:25 AM - 59 replies ▫ hybrid graetz in PSUDII ▫ 01-27-2007 02:16 AM - 1 reply ▫ 6C45P Spud ▫ 01-26-2007 11:52 PM - 0 replies ▫ Philips ECG 12AX7WA or GE 5751 ?? Opinions, please. ▫ 01-26-2007 07:31 PM - 0 replies ▫ Single Ended EL34 Amp ▫ 01-26-2007 06:57 PM - 20 replies ▫ Rp / Rk on Aikido preamp ▫ 01-26-2007 05:48 PM - 11 replies ▫ hum in amp! ▫ 01-26-2007 01:17 PM - 49 replies ▫ Looking for a 83 rectifier model ▫ 01-26-2007 11:22 AM - 1 reply ▫ Advice wanted on ebay SET amps ▫ 01-26-2007 10:03 AM - 3 replies ▫ Resistors for ultralinear-to-triode conversion ▫ 01-26-2007 07:44 AM - 6 replies ▫ Gary Pimm ▫ 01-25-2007 12:03 AM - 0 replies ▫ resistor values for lifting ground AND LED ▫ 01-24-2007 11:55 PM - 1 reply ▫ output transformer impedance choices ▫ 01-24-2007 11:33 PM - 3 replies ▫ Feedback disc recording amp ▫ 01-24-2007 09:09 PM - 0 replies ▫ 6bm8/ECL82 vs EL84 ▫ 01-24-2007 07:21 PM - 9 replies ▫ B+ filter caps ▫ 01-24-2007 05:49 PM - 12 replies ▫ (Newbie) CSS Question ▫ 01-24-2007 01:34 PM - 8 replies ▫ 6P15P Tubes: Push Pull Possible? ▫ 01-24-2007 12:42 PM - 21 replies ▫ Tube X-ref list ?? ▫ 01-24-2007 08:56 AM - 1 reply ▫ AVO tube tester spares ▫ 01-24-2007 08:53 AM - 7 replies ▫ Add gain before or after the phase splitter? ▫ 01-24-2007 08:23 AM - 84 replies ▫ ping SY: Red Light LED question ▫ 01-23-2007 07:22 PM - 5 replies ▫ Greinacher voltage multiplier ▫ 01-23-2007 03:14 PM - 10 replies ▫ Dead channel ▫ 01-23-2007 02:49 PM - 15 replies ▫ Euphonia is back! ▫ 01-23-2007 02:14 PM - 1 reply ▫ What's the best 417A & 437A? ▫ 01-23-2007 03:27 AM - 3 replies ▫ Eico ST70 OPT / Schematic Question ▫ 01-23-2007 02:19 AM - 11 replies ▫ Is this feasible? ▫ 01-22-2007 08:48 PM - 4 replies ▫ Repairing 805 tubes ▫ 01-22-2007 08:44 PM - 1 reply ▫ jadis defy 7 help ▫ 01-22-2007 08:14 PM - 0 replies ▫ 6n1p Screen ▫ 01-22-2007 02:59 PM - 1 reply ▫ Mc275ce ▫ 01-22-2007 02:33 PM - 1 reply ▫ Are these tubes are the same? ▫ 01-22-2007 11:25 AM - 6 replies ▫ "King of tube(s) for line-stages" ▫ 01-22-2007 11:10 AM - 4 replies ▫ Acoustic Plan PhonoMaster ▫ 01-22-2007 07:33 AM - 0 replies ▫ Heathkit AA-81 schematic ▫ 01-22-2007 01:07 AM - 1 reply ▫ has anyone kept a copy of gpimm's latest self-biasing CCS? ▫ 01-21-2007 10:05 PM - 2 replies

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