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 2801 to 3000 of 11882 available ▫ Aikido Line Stage ▫ 09-05-2007 08:35 PM - 6 replies ▫ LED Bias Modifications ▫ 09-05-2007 05:10 PM - 30 replies ▫ danelectro vibravox ▫ 09-05-2007 02:27 PM - 3 replies ▫ Standby switch for bridge rectified power supplies. ▫ 09-05-2007 07:48 AM - 8 replies ▫ Decoupling in Phono stages. ▫ 09-04-2007 10:13 PM - 7 replies ▫ easy one valve pre help ▫ 09-04-2007 11:51 AM - 3 replies ▫ Single-ended-series amp with a "1 winding" transformer ▫ 09-04-2007 11:17 AM - 27 replies ▫ Complementary Symmetry Output ▫ 09-04-2007 01:34 AM - 2 replies ▫ Help getting these d$&* Dynascan probes apart! ▫ 09-03-2007 11:02 PM - 2 replies ▫ Aikido output cap selector switch ▫ 09-03-2007 07:19 PM - 2 replies ▫ adding an "on" lamp to amp kit ▫ 09-03-2007 06:13 PM - 6 replies ▫ Why does 6BM8 have so high max plate voltage? ▫ 09-03-2007 03:48 PM - 2 replies ▫ B+ soft start ▫ 09-03-2007 12:01 PM - 2 replies ▫ Unison research ▫ 09-03-2007 08:32 AM - 0 replies ▫ photos of my creations ▫ 09-03-2007 12:17 AM - 10 replies ▫ First Time Project - Finished! Photos Attached ▫ 09-02-2007 11:07 PM - 25 replies ▫ Design parameters for SE OPTs' ▫ 09-02-2007 10:34 PM - 2 replies ▫ want to build a pentode driven drd 2a3! ▫ 09-02-2007 04:12 PM - 4 replies ▫ Passive Magnetic Preamp! ▫ 09-02-2007 03:19 PM - 8 replies ▫ Testing an E288CC (8223) ▫ 09-02-2007 02:25 AM - 6 replies ▫ Need expert help on presence control ▫ 09-01-2007 11:56 PM - 9 replies ▫ Value of output caps for Aikido - how low is too low? ▫ 09-01-2007 10:52 PM - 9 replies ▫ Very expensive WE106A pre-amp, any member had this?? ▫ 09-01-2007 08:50 PM - 12 replies ▫ B+ with or without tubes? ▫ 09-01-2007 08:36 PM - 7 replies ▫ 1st Time Project - Spot the howler ▫ 09-01-2007 10:40 AM - 10 replies ▫ Tube flashes on tester... Bad ? ▫ 08-31-2007 03:27 PM - 14 replies ▫ Amp advice needed for a poor DIY er... ▫ 08-31-2007 11:03 AM - 27 replies ▫ DCR of primaries and secondaries of Hammond Transformer ▫ 08-30-2007 11:40 PM - 1 reply ▫ 801 amp with Power Drive ▫ 08-30-2007 08:36 PM - 35 replies ▫ Where did this come from? ▫ 08-30-2007 08:22 PM - 0 replies ▫ 6N7S's PPP Class A ▫ 08-30-2007 02:00 AM - 17 replies ▫ your opinion needed....... ▫ 08-29-2007 06:03 PM - 3 replies ▫ ST-70 strangeness ▫ 08-29-2007 03:33 PM - 19 replies ▫ SS preamp w/ tube amp ▫ 08-29-2007 10:38 AM - 10 replies ▫ pri. impedance vs. sek. impedance ▫ 08-29-2007 08:04 AM - 7 replies ▫ TubeLab SimpleSe and speaker efficiency ▫ 08-29-2007 05:09 AM - 20 replies ▫ Question about speaker transformer ▫ 08-29-2007 04:02 AM - 3 replies ▫ How to read Russian Date Codes ▫ 08-29-2007 01:22 AM - 4 replies ▫ 300B Amp on ebay ▫ 08-28-2007 11:00 PM - 1 reply ▫ Would a 396A or 2C51 drive a 45? ▫ 08-28-2007 07:08 PM - 2 replies ▫ PSUD2 Q on regulator ▫ 08-28-2007 06:46 PM - 20 replies ▫ My last design ▫ 08-28-2007 02:50 PM - 16 replies ▫ Silvertone 1481 power transformer? ▫ 08-28-2007 11:29 AM - 1 reply ▫ OPT for 250th Se A2 ▫ 08-28-2007 11:29 AM - 13 replies ▫ 829B, 3E29, QQV03-20 Connector ▫ 08-28-2007 08:07 AM - 2 replies ▫ Measuring from UK schematic but on US mains ▫ 08-27-2007 11:58 PM - 4 replies ▫ strange tube ▫ 08-27-2007 09:04 PM - 5 replies ▫ cathode resistor ?? in p-p fixed bias ▫ 08-27-2007 08:14 PM - 12 replies ▫ Need Help please . Headphones into line up of tube amp . ▫ 08-27-2007 08:13 PM - 9 replies ▫ 5Z4 inrush current too high ▫ 08-27-2007 04:47 PM - 10 replies ▫ Reducing gain on Audible Illusions M3A ▫ 08-27-2007 03:27 PM - 4 replies ▫ Decoding output transformers: strange SE's ▫ 08-27-2007 11:19 AM - 4 replies ▫ cheap and usable for 1K p-p iron? ▫ 08-27-2007 03:02 AM - 2 replies ▫ Help! Phono stage LF instability ▫ 08-25-2007 07:50 PM - 2 replies ▫ Help! Mesa Stiletto is motorboating and then fuse blows ▫ 08-25-2007 05:24 PM - 5 replies ▫ Faulty tube? ▫ 08-25-2007 04:42 PM - 8 replies ▫ Philbrick opamp bases ▫ 08-25-2007 01:55 AM - 12 replies ▫ Hammond Driver transformers ▫ 08-24-2007 10:18 PM - 6 replies ▫ 6n7/2a3 ▫ 08-24-2007 06:14 PM - 10 replies ▫ Flea power for cheap OPT's? ▫ 08-24-2007 05:24 PM - 5 replies ▫ 1st Project - Half time report ▫ 08-24-2007 02:23 AM - 6 replies ▫ Claus Byrith 4-30 Questions ▫ 08-24-2007 01:56 AM - 2 replies ▫ quicksilver 8417 biasing ▫ 08-23-2007 10:22 PM - 2 replies ▫ Trying to identify/find documentation on a 50EH5 amp ▫ 08-23-2007 07:11 PM - 13 replies ▫ 6sl7 ▫ 08-23-2007 07:11 PM - 0 replies ▫ Basic tests and measurements for OPTs ▫ 08-23-2007 06:21 PM - 12 replies ▫ 6SN7GT SRSE Linestage ▫ 08-23-2007 08:02 AM - 6 replies ▫ Dynaco Mark III ▫ 08-23-2007 02:23 AM - 5 replies ▫ Push Pull 300B preliminary ▫ 08-23-2007 02:18 AM - 18 replies ▫ triode thermodynamic model ▫ 08-22-2007 11:35 PM - 8 replies ▫ My first post! ▫ 08-22-2007 08:48 PM - 9 replies ▫ A Neophyte's 12B4 Build Thread ▫ 08-22-2007 06:00 AM - 64 replies ▫ Webster Hammond Model "G" amplifier ▫ 08-22-2007 05:04 AM - 3 replies ▫ Matching tubes- WE 396a/RFT EL34 ▫ 08-21-2007 08:42 PM - 1 reply ▫ What is the most powerful AF tube amp ever built? ▫ 08-21-2007 07:47 PM - 22 replies ▫ SOHA Amp & PSU Layout, need feedback ▫ 08-21-2007 02:00 PM - 5 replies ▫ smoke came from transformer ▫ 08-21-2007 06:06 AM - 6 replies ▫ Old or new output transformer? ▫ 08-21-2007 03:44 AM - 22 replies ▫ Startup Cost? ▫ 08-21-2007 03:44 AM - 23 replies ▫ speaker magnet proximity Question ▫ 08-21-2007 02:41 AM - 2 replies ▫ Russian L3-3 tube tester ▫ 08-21-2007 01:20 AM - 20 replies ▫ I made a web page on building triode models /w CurveCaptor ▫ 08-21-2007 12:53 AM - 3 replies ▫ Boosted Triode mode? ▫ 08-21-2007 12:08 AM - 2 replies ▫ Headphone amp based on 45? ▫ 08-20-2007 11:14 PM - 11 replies ▫ Unbalacing a PP output transformer? ▫ 08-20-2007 04:34 PM - 19 replies ▫ ecl86 & ez80 - suitable for guitar amp? ▫ 08-20-2007 04:05 PM - 20 replies ▫ Double C Cores ▫ 08-20-2007 12:50 PM - 8 replies ▫ Aikido Power Supply ▫ 08-20-2007 10:26 AM - 11 replies ▫ Output Noise question ▫ 08-20-2007 10:19 AM - 2 replies ▫ Power Supply Ringing ▫ 08-20-2007 08:49 AM - 7 replies ▫ Compare Sowter SA08 with Plitron 3035SE for 300B ▫ 08-20-2007 02:08 AM - 0 replies ▫ My 6C33C SING WITH No SPEAKER ! ▫ 08-19-2007 06:56 PM - 10 replies ▫ MOSFET Driver for Power Pentodes ▫ 08-19-2007 04:30 PM - 12 replies ▫ Floating heater supplies ▫ 08-19-2007 01:36 PM - 8 replies ▫ Altec Amplifiers ▫ 08-19-2007 12:00 PM - 6 replies ▫ What causes the overrun bias on V4? ▫ 08-19-2007 09:25 AM - 3 replies ▫ sound comparison of Class A1 vs A2 amps ▫ 08-19-2007 08:52 AM - 15 replies ▫ 12AU7 substituted for a 6922 ▫ 08-18-2007 11:41 PM - 7 replies ▫ Whats the worst that could happen? ▫ 08-18-2007 10:35 PM - 3 replies ▫ Ferranti transformers ▫ 08-18-2007 04:01 PM - 5 replies ▫ PC Cooling Fans for Tube Amps ▫ 08-18-2007 06:20 AM - 4 replies ▫ 845 circuit suggestions ▫ 08-17-2007 10:16 PM - 56 replies ▫ DIY Sofia tube tester? ▫ 08-17-2007 06:07 PM - 3 replies ▫ transformer hum / buzz getting into B+? ▫ 08-17-2007 05:46 PM - 3 replies ▫ Safe Transformerless Amps Possible? ▫ 08-17-2007 11:58 AM - 7 replies ▫ GM70 Lower Voltage PP Question ▫ 08-17-2007 06:51 AM - 0 replies ▫ phonostage with 150VDC B+ ▫ 08-17-2007 03:47 AM - 9 replies ▫ Spuddo more powerfull ▫ 08-16-2007 11:59 PM - 11 replies ▫ Larry Moore 300B/10Y/6SN7GT ▫ 08-16-2007 08:36 PM - 22 replies ▫ Foreplay Preamp volume popping ▫ 08-16-2007 03:16 PM - 7 replies ▫ Altec Tube Amplifiers ▫ 08-16-2007 10:31 AM - 0 replies ▫ Circuit review ▫ 08-16-2007 09:04 AM - 8 replies ▫ DIY Tube Tester for 6336s ▫ 08-16-2007 07:34 AM - 1 reply ▫ 12dw7 to 12ax7 conversion? ▫ 08-16-2007 02:28 AM - 4 replies ▫ 26 preamp ▫ 08-15-2007 07:14 PM - 44 replies ▫ Etf07 ▫ 08-15-2007 04:38 PM - 1 reply ▫ 1st Project Heater Wiring ▫ 08-15-2007 02:33 PM - 14 replies ▫ Dropped tube ▫ 08-15-2007 03:10 AM - 6 replies ▫ Great bench supply for tube work. ▫ 08-15-2007 02:38 AM - 25 replies ▫ Mullard px25 - need matched pair ▫ 08-14-2007 10:33 PM - 11 replies ▫ 2W carbon composit ressy ▫ 08-14-2007 07:46 PM - 21 replies ▫ popping noise through 1 channel on Radford STA15 ▫ 08-14-2007 05:42 PM - 5 replies ▫ Point to point wiring help ▫ 08-14-2007 11:18 AM - 26 replies ▫ 1st Time Project - Report 2 + advice sought ▫ 08-14-2007 11:13 AM - 0 replies ▫ "Simple" 2A3 ▫ 08-14-2007 06:23 AM - 12 replies ▫ vinyl v cd differences - phono pre and cd-player ▫ 08-13-2007 10:53 PM - 28 replies ▫ Shielded input cable ▫ 08-13-2007 02:21 PM - 2 replies ▫ knight guitar amp conversion ▫ 08-13-2007 10:34 AM - 4 replies ▫ Dumb motor run capacitor question ▫ 08-13-2007 04:36 AM - 5 replies ▫ Coupling caps in ST35 ▫ 08-13-2007 03:05 AM - 19 replies ▫ Mentmore M100 ▫ 08-12-2007 06:13 PM - 0 replies ▫ How to match tubes? ▫ 08-12-2007 04:44 PM - 2 replies ▫ Transcendent OTL T8 Vs. Atma-Sphere M60 ▫ 08-12-2007 03:49 PM - 14 replies ▫ New 12AX7A Pspice model ▫ 08-12-2007 02:24 PM - 17 replies ▫ What does R2D2, Mickey Mouse and a... ▫ 08-12-2007 11:33 AM - 3 replies ▫ Why 5V filament ▫ 08-11-2007 07:14 PM - 12 replies ▫ Alloys for filaments ▫ 08-11-2007 03:59 PM - 6 replies ▫ 6360 as Power Tube for SE amp ▫ 08-11-2007 02:37 PM - 6 replies ▫ Bridging Stereo Amps ▫ 08-11-2007 01:36 PM - 9 replies ▫ Problem with 6L6 Monoblock ▫ 08-11-2007 04:53 AM - 77 replies ▫ Gain ▫ 08-10-2007 09:24 PM - 6 replies ▫ Building a headphone amp from parts ▫ 08-10-2007 03:31 PM - 13 replies ▫ Proper grounding method... ▫ 08-10-2007 02:22 PM - 14 replies ▫ Changing a tube amp... ▫ 08-10-2007 09:37 AM - 3 replies ▫ Houston Mini 2004 Pot question ▫ 08-09-2007 07:10 PM - 5 replies ▫ Diode Heatsink ▫ 08-09-2007 02:51 PM - 8 replies ▫ Looking for a PCB / kit for a bipolar tube rectified PSU ▫ 08-09-2007 01:43 PM - 10 replies ▫ compactron output stage and power supply ▫ 08-09-2007 09:32 AM - 9 replies ▫ Better sounding ECL86's ▫ 08-09-2007 08:30 AM - 2 replies ▫ Heathkit EA-3 conversion to guitar amp ▫ 08-09-2007 06:46 AM - 9 replies ▫ interesting amp & interesting problem ▫ 08-08-2007 09:45 PM - 9 replies ▫ Hybrid Tube / Mosfet Amplifier ▫ 08-08-2007 08:02 PM - 8 replies ▫ Again (sorry) what's the biggest 6V heater double rectifier? ▫ 08-08-2007 04:31 PM - 5 replies ▫ PP EL34 circuit wanted ▫ 08-08-2007 02:01 PM - 3 replies ▫ Need advice for transformer for tube GM 70. ▫ 08-08-2007 12:04 PM - 4 replies ▫ Pentode filter ▫ 08-08-2007 06:39 AM - 1 reply ▫ How to calculate for cathode follower ▫ 08-08-2007 02:19 AM - 3 replies ▫ 6L6WXT in a Dynaco ST-70 ▫ 08-07-2007 04:09 AM - 12 replies ▫ tube preamp using submini tube ▫ 08-07-2007 12:39 AM - 11 replies ▫ SE Trafo for PP use ▫ 08-06-2007 10:07 PM - 15 replies ▫ WE91A Pentode Questions? ▫ 08-06-2007 03:54 PM - 11 replies ▫ Lower voltage Dynaco ST35 for 6P14P // 7247 replacement ▫ 08-06-2007 11:32 AM - 6 replies ▫ looking for schematic; three EL84's in PSE ? ▫ 08-06-2007 10:12 AM - 4 replies ▫ Need work done on a dynaco power amp ▫ 08-06-2007 06:31 AM - 1 reply ▫ quick question on fixed bias ▫ 08-06-2007 06:01 AM - 3 replies ▫ DIY Tube Audio dealers in New Zealand ▫ 08-06-2007 02:27 AM - 2 replies ▫ ornec ▫ 08-05-2007 09:14 PM - 0 replies ▫ Tuner filament supply question ▫ 08-05-2007 08:57 PM - 3 replies ▫ An idea for a partial feedback pentode amp using 6AU6's and 807's ▫ 08-05-2007 12:01 PM - 60 replies ▫ Tube current regulation for series heaters' supply. ▫ 08-05-2007 11:51 AM - 4 replies ▫ First time building a tube preamp ▫ 08-04-2007 08:21 AM - 10 replies ▫ Bogen PCA-1 two tube booster amp ▫ 08-04-2007 08:21 AM - 1 reply ▫ B&K 700 problems? ▫ 08-04-2007 04:11 AM - 11 replies ▫ Silvertone 1482 Blowing Rectifier Tubes ▫ 08-04-2007 02:22 AM - 1 reply ▫ Voltage Multipliers ▫ 08-03-2007 10:33 PM - 10 replies ▫ Russian 6P14P tubes ▫ 08-03-2007 06:19 PM - 9 replies ▫ Where to get tube spec sheets, pinouts ▫ 08-02-2007 11:42 PM - 9 replies ▫ PCL 82 Hybrid 2SC5200/2SA1943 ▫ 08-02-2007 04:30 PM - 1 reply ▫ CCS in Otput Tube Cathode - Does It Make Sense? ▫ 08-02-2007 01:28 PM - 45 replies ▫ My Guitar Tube Amp. Help needed with Mesa/Boogie pre ▫ 08-02-2007 10:59 AM - 27 replies ▫ My brew of the "Darling" ▫ 08-01-2007 11:50 PM - 45 replies ▫ Series connection of filaments ▫ 08-01-2007 07:58 PM - 24 replies ▫ noisy filament transformer ▫ 08-01-2007 07:01 PM - 14 replies ▫ Circuit diagram for Trilogy VTi. ▫ 08-01-2007 06:36 PM - 0 replies ▫ Got oddball tubes! ▫ 08-01-2007 04:01 PM - 12 replies ▫ Make a preamp with an already buil amplifier ▫ 08-01-2007 01:58 PM - 2 replies ▫ A photo for my question ▫ 08-01-2007 01:58 PM - 1 reply ▫ DN2540 ▫ 08-01-2007 01:36 PM - 1 reply ▫ mods for almarro amp ▫ 08-01-2007 12:30 PM - 0 replies ▫ Filament Transformer ▫ 08-01-2007 12:17 PM - 9 replies ▫ Circuit indentification ▫ 08-01-2007 05:47 AM - 9 replies ▫ Simplest Tube Regulated PSU? ▫ 08-01-2007 05:21 AM - 3 replies ▫ High Voltage Insulator for Umbilical ▫ 07-31-2007 09:28 PM - 17 replies ▫ wiring diagram, instruction on the transformer S-265-Q ▫ 07-31-2007 06:16 PM - 3 replies ▫ help me get started ▫ 07-31-2007 09:24 AM - 3 replies ▫ 12AU7 instead of 6C4 ▫ 07-31-2007 05:54 AM - 9 replies ▫ Fisher 600 questions ▫ 07-31-2007 01:51 AM - 25 replies ▫ Phase inverter ▫ 07-31-2007 01:22 AM - 37 replies ▫ srpp input stage ▫ 07-31-2007 12:52 AM - 11 replies ▫ Orientation of EL34 Tubes ▫ 07-31-2007 12:52 AM - 5 replies

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