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  Tubes - Showing threads 4001 to 4200 of 11882 available ▫ 7-pin miniature tubes for audio? ▫ 03-03-2007 12:33 AM - 85 replies ▫ Tube Preamp as a Guitar Effect ▫ 03-02-2007 11:08 PM - 4 replies ▫ 6L6GT vs. EL34/6CA7 and WHY? ▫ 03-02-2007 09:31 PM - 19 replies ▫ Tube rectifier help ▫ 03-02-2007 09:23 PM - 12 replies ▫ Fender push pull amp... using one tube only.. is it dangerous? ▫ 03-02-2007 09:14 PM - 2 replies ▫ KT88 Lifetime estimation ▫ 03-02-2007 06:08 PM - 4 replies ▫ Thyratron voltage regulation ▫ 03-02-2007 09:02 AM - 2 replies ▫ switch-on, switch-off sequence for preamp/amp ▫ 03-02-2007 04:34 AM - 1 reply ▫ Found Meixing Amp schematic, sorta, would like some feedback ▫ 03-01-2007 09:42 PM - 3 replies ▫ Tube Voltage Regulator Flicker... ▫ 03-01-2007 08:06 PM - 14 replies ▫ Projects...How does one decide ? ▫ 03-01-2007 05:28 PM - 14 replies ▫ Best 6550's for the money.... ▫ 03-01-2007 04:07 PM - 12 replies ▫ SMPS and tubes ▫ 03-01-2007 10:07 AM - 2 replies ▫ Looking for Eico 1030 manual/schematic ▫ 03-01-2007 04:47 AM - 0 replies ▫ 6AS7 OTL ▫ 03-01-2007 04:06 AM - 7 replies ▫ Gary Pimm's site down? ▫ 03-01-2007 12:05 AM - 6 replies ▫ 805 + 300b Amplifier Schematic ▫ 02-28-2007 11:56 PM - 0 replies ▫ Music Angel Amplifiers ▫ 02-28-2007 09:51 PM - 16 replies ▫ MM Phono stage (kit?) for tube newbie ▫ 02-28-2007 05:28 PM - 10 replies ▫ Russian tube dealer? ▫ 02-28-2007 11:13 AM - 7 replies ▫ STA1 + amp vs K-12M ▫ 02-28-2007 06:23 AM - 12 replies ▫ cheap ebay KT88 amp ▫ 02-28-2007 04:25 AM - 38 replies ▫ Tubes at low +B... ▫ 02-27-2007 07:24 PM - 23 replies ▫ Converting a yarland amp to drive headphones ▫ 02-27-2007 01:29 PM - 0 replies ▫ Starting a component system ▫ 02-27-2007 07:01 AM - 0 replies ▫ Really elementary question about caps. ▫ 02-27-2007 04:59 AM - 4 replies ▫ Tube newbie with Scott 299B ▫ 02-27-2007 03:00 AM - 29 replies ▫ 12AV7- 5965 Vs 12AY7 ▫ 02-27-2007 02:30 AM - 25 replies ▫ PX25 tubes in a 300B Amp? ▫ 02-27-2007 12:18 AM - 1 reply ▫ help with a choke. ▫ 02-26-2007 11:18 PM - 0 replies ▫ 60Hz buzzing ▫ 02-26-2007 06:05 PM - 28 replies ▫ nuvistor bias with 18V ? ▫ 02-26-2007 04:29 PM - 13 replies ▫ ground bus for inputs on preamp - what's best? ▫ 02-26-2007 03:49 PM - 6 replies ▫ Voltage drop of various regulators in dc regulated power supply for preamp ▫ 02-26-2007 11:48 AM - 0 replies ▫ Does anyone recognise this tube amp? ▫ 02-26-2007 09:55 AM - 4 replies ▫ Entry level tube amp ▫ 02-26-2007 07:09 AM - 32 replies ▫ Anyone build/use 6BG6G? ▫ 02-26-2007 04:21 AM - 12 replies ▫ KT-77 Blues ▫ 02-26-2007 01:31 AM - 0 replies ▫ Dynaco Information MArk II Required ▫ 02-25-2007 11:24 PM - 0 replies ▫ tube test numbers - what do they mean? ▫ 02-25-2007 11:04 PM - 5 replies ▫ foolish notion, 12GN7 model? ▫ 02-25-2007 10:33 PM - 1 reply ▫ First-Timer Doubts: K-12 or Gainclone? ▫ 02-25-2007 07:17 PM - 9 replies ▫ Eico ST70 Rebuild / Upgrade ▫ 02-25-2007 04:36 PM - 6 replies ▫ More power in this ▫ 02-25-2007 09:39 AM - 8 replies ▫ Help modifiying schematic ▫ 02-25-2007 01:51 AM - 58 replies ▫ Simple Variable Tube Power Supply ▫ 02-25-2007 12:40 AM - 14 replies ▫ bias voltage vs bias current ▫ 02-24-2007 10:24 PM - 3 replies ▫ All the Bias options ▫ 02-24-2007 09:32 PM - 28 replies ▫ 6N6G looks like a great audio tube. . . ▫ 02-24-2007 07:16 PM - 1 reply ▫ Variable bias ▫ 02-24-2007 06:11 PM - 2 replies ▫ Tube amp on a budget ▫ 02-24-2007 06:06 PM - 0 replies ▫ tung sol ▫ 02-24-2007 03:46 PM - 0 replies ▫ How cool is tube deep cooling? ▫ 02-24-2007 10:22 AM - 42 replies ▫ output ransformer for 6SA7 Headphone amp Help ▫ 02-23-2007 11:25 PM - 2 replies ▫ Modified Fender Deluxe - Constant Current Phase Splitter ▫ 02-23-2007 08:10 PM - 6 replies ▫ 12B4 Equivalents? ▫ 02-23-2007 07:21 PM - 7 replies ▫ KT88 pp triode control grid resistor???? ▫ 02-23-2007 11:24 AM - 3 replies ▫ Duncan Amps spice model docs... ▫ 02-23-2007 11:00 AM - 2 replies ▫ Hum in Legend amp ▫ 02-23-2007 03:30 AM - 3 replies ▫ Which do you prefer - EL84 UL PP or EL34 Triode PP - and why? ▫ 02-23-2007 01:22 AM - 4 replies ▫ Joining two NCT transformers ▫ 02-22-2007 09:33 PM - 3 replies ▫ Stereo Driver PCB for PP Amp (EL34/KT88)? ▫ 02-22-2007 07:39 PM - 7 replies ▫ Tube Integrated Amp Kit Project ▫ 02-22-2007 05:40 PM - 20 replies ▫ 866A transient over-current capability? ▫ 02-22-2007 04:29 PM - 18 replies ▫ 6HS8 tubes for volume control ▫ 02-22-2007 03:39 PM - 12 replies ▫ cathode for plate ccs ? ▫ 02-22-2007 01:39 PM - 3 replies ▫ Broken Tube pin guides ▫ 02-22-2007 06:21 AM - 3 replies ▫ I need a 120v ct transformer... Where to look? ▫ 02-22-2007 02:03 AM - 15 replies ▫ Best production EL34? ▫ 02-21-2007 09:44 PM - 39 replies ▫ 6DJ8 or 12AT7 ▫ 02-21-2007 03:28 PM - 4 replies ▫ 6L6 Single Ended Flea Amp? ▫ 02-21-2007 01:12 PM - 9 replies ▫ Se Tranny used on Parafeed!!! ▫ 02-21-2007 12:57 PM - 11 replies ▫ Hammond 270 series power transformer? ▫ 02-21-2007 12:43 AM - 13 replies ▫ 6aq5.......6v6....... ▫ 02-20-2007 09:45 PM - 9 replies ▫ 6N1 substitution with 6922 ▫ 02-20-2007 08:35 PM - 0 replies ▫ driving 845 push-pull with a signal from a 300B SE stage ▫ 02-20-2007 07:17 PM - 1 reply ▫ Recommend a schematic for a Moving Coil head amp? ▫ 02-20-2007 04:48 PM - 3 replies ▫ Tube Buffer 6J1 / 5654 (6AK5) ▫ 02-20-2007 01:58 PM - 61 replies ▫ question about 6Av5ga tubes ▫ 02-20-2007 11:22 AM - 15 replies ▫ Toroidal SE transformers ▫ 02-20-2007 09:58 AM - 22 replies ▫ Calling MR. Tubelab! 6W6GT? ▫ 02-20-2007 02:09 AM - 15 replies ▫ Triode Trick ▫ 02-20-2007 12:32 AM - 38 replies ▫ SE 300B or PP KT88 amps? ▫ 02-19-2007 10:01 PM - 71 replies ▫ perhaps an INSANE query... ▫ 02-19-2007 08:19 PM - 31 replies ▫ Possible to estimate transformer specs? ▫ 02-19-2007 07:50 PM - 7 replies ▫ 9 pin replacement sockets ▫ 02-19-2007 05:50 PM - 1 reply ▫ Bench PSU ▫ 02-19-2007 05:31 PM - 5 replies ▫ Need help to make a correct 83 (merc.vapor.rect) SS replacement. ▫ 02-19-2007 10:06 AM - 5 replies ▫ Joke of the day ▫ 02-19-2007 09:28 AM - 19 replies ▫ $300 tube amp budget. Which Amp?? ▫ 02-19-2007 06:32 AM - 32 replies ▫ Simple Linestage for 27 or 1H5? ▫ 02-19-2007 02:28 AM - 4 replies ▫ Foreplay III pre amp ▫ 02-18-2007 04:53 PM - 1 reply ▫ Fixing this 100TH ▫ 02-18-2007 04:44 PM - 1 reply ▫ I have some 5654 ▫ 02-18-2007 04:31 PM - 3 replies ▫ Multisegment capacitor replacement help. ▫ 02-18-2007 03:08 PM - 6 replies ▫ Amplifer calculation ▫ 02-18-2007 12:05 PM - 6 replies ▫ Auto Bias? ▫ 02-18-2007 03:33 AM - 0 replies ▫ Se KT88 with Quad ESL ▫ 02-17-2007 07:07 PM - 5 replies ▫ Parts from Salvage ▫ 02-17-2007 06:30 PM - 58 replies ▫ power supply question.... too many Volts? ▫ 02-17-2007 05:52 PM - 3 replies ▫ Heathkit A7E Conversion to Guitar ▫ 02-17-2007 01:46 PM - 7 replies ▫ Now wouldn’t this make an awesome monoblock. ▫ 02-17-2007 12:49 PM - 8 replies ▫ Please,help me for schematics!! ▫ 02-17-2007 06:39 AM - 0 replies ▫ Kofi Annan in: "Open for Suggestion" ▫ 02-17-2007 01:39 AM - 17 replies ▫ What connector for 300vDC DOMESTIC environment? ▫ 02-16-2007 08:52 PM - 7 replies ▫ looking for help in transformers. ▫ 02-16-2007 05:41 PM - 3 replies ▫ problems with 805 tubes ▫ 02-16-2007 04:07 PM - 18 replies ▫ Audio Research D-90 ▫ 02-16-2007 01:47 PM - 3 replies ▫ Replacing a 12AU7 in a cathode-follower. ▫ 02-16-2007 09:33 AM - 51 replies ▫ Original Dynaco 70 circuit mods/upgrades? ▫ 02-16-2007 05:15 AM - 25 replies ▫ is there a power supply unit for prototyping? ▫ 02-16-2007 12:27 AM - 8 replies ▫ Power Supply Design and Blocking ▫ 02-15-2007 11:50 PM - 2 replies ▫ OTL questions ▫ 02-15-2007 07:47 PM - 49 replies ▫ PP- which input/splitter topology?? ▫ 02-15-2007 06:28 PM - 41 replies ▫ Cathode feedback and DHTs ▫ 02-15-2007 06:24 AM - 10 replies ▫ How should Dick Olsher Blue Velvet measure?? ▫ 02-15-2007 12:10 AM - 3 replies ▫ Info on Melos MA-111? ▫ 02-14-2007 05:32 PM - 6 replies ▫ Aikido with dual personality ▫ 02-14-2007 05:21 PM - 40 replies ▫ Making a hole for AC socket in a chassis ▫ 02-14-2007 09:59 AM - 32 replies ▫ Liteaudio LS31 preamp pcb ▫ 02-14-2007 09:34 AM - 3 replies ▫ Thoughts on Quad II output topology ▫ 02-13-2007 08:05 PM - 29 replies ▫ HF-85 Rebuild advice ▫ 02-12-2007 09:09 PM - 22 replies ▫ Cheap Williamson amp kit ▫ 02-12-2007 06:16 PM - 4 replies ▫ Mr'Liang audio amplifiers ▫ 02-12-2007 05:23 PM - 156 replies ▫ plate ccs ▫ 02-12-2007 04:40 AM - 16 replies ▫ DC Huuuummmmmm ▫ 02-12-2007 04:00 AM - 4 replies ▫ Hey Gingertube - trying to debug Baby Huey ▫ 02-11-2007 09:39 PM - 3 replies ▫ question about nOrh SE 9 amp for FE207E ▫ 02-11-2007 09:02 PM - 1 reply ▫ 6N1P or EF86 for bass guitar preamp? ▫ 02-11-2007 06:10 PM - 14 replies ▫ Arc D150 ▫ 02-11-2007 12:43 PM - 0 replies ▫ help identify this "cleartop 6550" ▫ 02-11-2007 11:43 AM - 12 replies ▫ Cheap emergency gold sockets ▫ 02-11-2007 08:21 AM - 14 replies ▫ Is Western Electric for Real? KT88 Scam? ▫ 02-11-2007 03:25 AM - 2 replies ▫ Russian 635P? ▫ 02-10-2007 11:15 PM - 5 replies ▫ Swinging Choke or Smoothing Choke ▫ 02-10-2007 07:52 PM - 4 replies ▫ Amp de-bugging ▫ 02-10-2007 07:34 PM - 55 replies ▫ SMPS for B+ from PC PS ▫ 02-10-2007 07:14 PM - 1 reply ▫ Placement of tone stacks ▫ 02-10-2007 05:01 PM - 8 replies ▫ Rectify AC to DC for heating ▫ 02-10-2007 03:02 PM - 6 replies ▫ KT88 in class B ▫ 02-10-2007 07:38 AM - 3 replies ▫ 6FE5 Ultralinear? ▫ 02-09-2007 08:54 PM - 0 replies ▫ OPT -the good, the bad or the ugly ?? ▫ 02-09-2007 02:04 PM - 1 reply ▫ Switching power supply for tube-pre ▫ 02-09-2007 11:54 AM - 12 replies ▫ Using a zener to drop plate+screen voltages ▫ 02-09-2007 07:45 AM - 1 reply ▫ Will this circuit work? ▫ 02-09-2007 02:05 AM - 21 replies ▫ Ei 6CW5, any users? ▫ 02-09-2007 12:51 AM - 0 replies ▫ Simple tube preamp? ▫ 02-08-2007 11:28 PM - 10 replies ▫ push-pull and primary impedance ▫ 02-08-2007 10:57 PM - 16 replies ▫ DIY : SWR Interstellar OverDrive (bass preamp) ▫ 02-08-2007 03:03 PM - 13 replies ▫ sound valves m-40 schematics ▫ 02-08-2007 01:18 PM - 3 replies ▫ series connection of filament in push pull output stage ▫ 02-07-2007 10:39 PM - 42 replies ▫ Has anybody built this amp? ▫ 02-07-2007 08:41 AM - 1 reply ▫ Red Light District Amp Screen Reg ▫ 02-07-2007 02:37 AM - 20 replies ▫ AEG rectifier ▫ 02-06-2007 05:22 PM - 8 replies ▫ Gm emulator for calibration ▫ 02-06-2007 05:19 PM - 5 replies ▫ Greetings and a couple of questions ▫ 02-06-2007 03:56 PM - 18 replies ▫ Tubes in a chip amp power stage?? ▫ 02-06-2007 03:56 PM - 13 replies ▫ Yaqin MC-10L Preamp Tubes ▫ 02-06-2007 02:36 PM - 2 replies ▫ Sound of paralleld EL84 ▫ 02-06-2007 10:11 AM - 0 replies ▫ Preamp Question ▫ 02-06-2007 02:41 AM - 0 replies ▫ WTH -- UL back to triode connection ▫ 02-06-2007 01:36 AM - 3 replies ▫ $139 tube amp but cant remember where i saw it... ▫ 02-05-2007 11:46 PM - 8 replies ▫ better 6au6 alternative ▫ 02-05-2007 10:12 PM - 6 replies ▫ type 40 triode curves ▫ 02-05-2007 09:00 PM - 2 replies ▫ Cap size for Hg Rectifiers ▫ 02-05-2007 08:00 PM - 20 replies ▫ Anybody have experience building an OTL amp? ▫ 02-05-2007 05:22 PM - 8 replies ▫ Nytone SA2000 ▫ 02-05-2007 05:21 PM - 0 replies ▫ Inter stage iron in High End ▫ 02-05-2007 04:57 PM - 17 replies ▫ very peculiar psu problem ▫ 02-05-2007 02:51 PM - 13 replies ▫ testing a 13E1 ▫ 02-05-2007 10:53 AM - 16 replies ▫ JE Labs / Arnold Cruz 2A3 amp - Q ▫ 02-05-2007 08:04 AM - 3 replies ▫ 5842 grounded grid ▫ 02-05-2007 03:36 AM - 19 replies ▫ measuring hum ▫ 02-04-2007 11:18 PM - 16 replies ▫ 12A6 Healthkit A7 Amp ▫ 02-04-2007 10:57 PM - 2 replies ▫ Russian RF Double Tetrodes ▫ 02-04-2007 06:32 PM - 10 replies ▫ Opinions or inputs on Altec 1570B amplifiers ▫ 02-04-2007 01:20 PM - 26 replies ▫ Chinese EL34 amp to modify ▫ 02-04-2007 11:35 AM - 50 replies ▫ GE 97F cap polarity ??? ▫ 02-03-2007 09:20 PM - 0 replies ▫ 6C8G phase inverter ▫ 02-03-2007 09:05 PM - 4 replies ▫ Shall I disassemble this ampex for parts? ▫ 02-03-2007 08:24 PM - 9 replies ▫ Power Amp Build from Eico ST70 - Negative Feedback Question ▫ 02-03-2007 04:34 PM - 15 replies ▫ ECC83 cathode grounded = awesome overdrive (?!?!?) ▫ 02-03-2007 10:47 AM - 9 replies ▫ Looking for a Balanced Mic Preamp w 12AX7 ▫ 02-03-2007 10:23 AM - 4 replies ▫ Does anyone has a T.A.C.-34 or a T.A.C.-88 schematic? ▫ 02-03-2007 08:29 AM - 1 reply ▫ Conrad Johnson PV10L Phono stage DIY ▫ 02-03-2007 07:54 AM - 2 replies ▫ NEW KT66's ▫ 02-03-2007 05:11 AM - 18 replies ▫ Edcor outputs? ▫ 02-03-2007 04:32 AM - 4 replies ▫ Schematic Comment on 'Principles of Power" book ?? ▫ 02-03-2007 04:17 AM - 2 replies ▫ what kind of resistor is this? ▫ 02-02-2007 10:06 PM - 12 replies ▫ stereo push pull amp one heater supply for power tubes ▫ 02-02-2007 09:35 PM - 5 replies ▫ Building new GU-50 stereo amp... ▫ 02-02-2007 08:02 PM - 87 replies ▫ Tubes and microphonics ▫ 02-02-2007 06:27 PM - 13 replies ▫ 829 or GU-29 audio amplifier schematics? ▫ 02-02-2007 02:13 PM - 46 replies ▫ Electrolytic types... ▫ 02-02-2007 12:29 PM - 1 reply ▫ Consonance t99 schematic/ minimax pre ▫ 02-02-2007 11:25 AM - 1 reply ▫ Useful Supplier of Transformers, Chokes, Chassis and other stuff ▫ 02-02-2007 10:48 AM - 0 replies ▫ Serious case of brain fry. You out there Thorsten? ▫ 02-02-2007 08:19 AM - 19 replies ▫ Upgrading a Beard P100 tubeamp ▫ 02-01-2007 08:08 PM - 15 replies ▫ Tube Amplifier with OT100 ▫ 02-01-2007 03:40 PM - 0 replies ▫ bogen m120 schematic ▫ 02-01-2007 03:22 PM - 0 replies

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