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 11401 to 11600 of 12198 available ▫ Problem with Quicksilver amp ▫ 03-10-2003 12:42 PM - 82 replies ▫ cathode amp ▫ 03-10-2003 10:49 AM - 3 replies ▫ Wanted: 6922 / 6DJ8 Preamp Kit / Schematic ▫ 03-10-2003 10:00 AM - 10 replies ▫ How about a P-P DHP amp? ▫ 03-09-2003 11:29 PM - 9 replies ▫ simple, cheap, 6L6 amp? help ▫ 03-09-2003 09:00 PM - 54 replies ▫ 417A Line Amp ▫ 03-09-2003 06:31 PM - 51 replies ▫ Single end 6550 or KT88 amp Ideas please ▫ 03-09-2003 12:32 PM - 10 replies ▫ Simple cheap 2A3 stereo amp ▫ 03-09-2003 05:07 AM - 56 replies ▫ Triode Amps ▫ 03-08-2003 04:59 AM - 8 replies ▫ Audiopax 88 Power Amp ▫ 03-07-2003 09:38 PM - 12 replies ▫ Prefered type of components ▫ 03-07-2003 08:09 AM - 32 replies ▫ I found more junk! ▫ 03-07-2003 04:16 AM - 9 replies ▫ My Preamp ▫ 03-06-2003 10:58 PM - 41 replies ▫ Hum when volume is turned down ▫ 03-06-2003 05:25 PM - 34 replies ▫ Req. What does this parameter mean? ▫ 03-06-2003 10:07 AM - 9 replies ▫ Frank's Ultimate Tube Preamp. ▫ 03-06-2003 02:27 AM - 321 replies ▫ Mullard 5-20 ▫ 03-05-2003 05:55 PM - 133 replies ▫ 156C... even cheaper now. ▫ 03-05-2003 02:25 PM - 0 replies ▫ Simple IT PP ▫ 03-05-2003 12:36 PM - 12 replies ▫ Dumb question: How do I increase Dp on this SET? ▫ 03-05-2003 10:50 AM - 6 replies ▫ Experiences with S&B102 TVC ▫ 03-04-2003 06:48 PM - 57 replies ▫ Melos High Current Triode ▫ 03-04-2003 02:12 PM - 0 replies ▫ 6922/6DJ8 headphone amp impressions.... ▫ 03-04-2003 04:53 AM - 9 replies ▫ Re-tubing Quickie M60 (EL34 quads) ▫ 03-03-2003 06:54 PM - 10 replies ▫ A new fashion tube design! ▫ 03-03-2003 02:44 PM - 80 replies ▫ mmm.... zero-bias class B twin triode amp ▫ 03-03-2003 01:35 PM - 6 replies ▫ 6SN7 redone ▫ 03-02-2003 01:22 PM - 8 replies ▫ Need some help with this... ▫ 03-01-2003 09:05 PM - 1 reply ▫ What tube is this? ▫ 03-01-2003 09:01 PM - 22 replies ▫ KT4040 Kit ▫ 03-01-2003 06:33 PM - 30 replies ▫ so here's how it sounds : (300b) ▫ 03-01-2003 02:33 AM - 34 replies ▫ Mullard 3-3 ▫ 02-27-2003 03:21 PM - 32 replies ▫ shielding cans ▫ 02-27-2003 02:57 PM - 32 replies ▫ Help with common-cathode circuit. ▫ 02-27-2003 02:43 PM - 48 replies ▫ Hammond 125E improved? ▫ 02-27-2003 02:25 PM - 7 replies ▫ Separate power supply chassis- with a difference! ▫ 02-27-2003 02:19 AM - 7 replies ▫ 1St Tube Amp ▫ 02-26-2003 08:14 PM - 18 replies ▫ Help - tube radio ▫ 02-26-2003 05:09 PM - 49 replies ▫ Help newbie with tube-amp schematics ▫ 02-26-2003 04:11 PM - 28 replies ▫ This Guy is unbelivable! ▫ 02-26-2003 12:14 PM - 3 replies ▫ Strange filament behavour ▫ 02-26-2003 08:31 AM - 22 replies ▫ Triode curves for 6CA7, KT88 and 6550 ▫ 02-26-2003 12:56 AM - 2 replies ▫ Well, tell me what you think ( 300b ) ▫ 02-25-2003 10:43 PM - 52 replies ▫ More of Joel's preamp... ▫ 02-25-2003 10:06 PM - 29 replies ▫ data for 6V6 in triode mode? ▫ 02-25-2003 06:31 PM - 11 replies ▫ Help me design a pre with odd looking tubes ▫ 02-25-2003 04:35 PM - 13 replies ▫ Suggestions for top bal out tube pre? ▫ 02-25-2003 03:45 PM - 5 replies ▫ Plus biasing heater (220vdc above ground) ▫ 02-24-2003 01:51 PM - 7 replies ▫ Quicksilver 8417 tube install ▫ 02-24-2003 12:19 PM - 2 replies ▫ Help with R values ▫ 02-24-2003 12:03 PM - 0 replies ▫ With a bang and a flash - it works.....ideas anyone? ▫ 02-24-2003 02:06 AM - 31 replies ▫ Quad II eating valves? ▫ 02-23-2003 12:34 PM - 31 replies ▫ sunday daydreamin' ▫ 02-23-2003 11:01 AM - 6 replies ▫ Thrift store find ▫ 02-23-2003 02:46 AM - 37 replies ▫ New WE 300b's blue glow ▫ 02-22-2003 04:17 AM - 26 replies ▫ Current limit of EL84 grid? ▫ 02-21-2003 11:30 PM - 10 replies ▫ QuestionSSS about 300B circuit ▫ 02-21-2003 08:31 PM - 15 replies ▫ Help with new project... ▫ 02-21-2003 07:06 PM - 5 replies ▫ help needed from the 300b crowd! ▫ 02-20-2003 10:33 PM - 19 replies ▫ 1937 Gibson guitar amp ▫ 02-20-2003 06:29 PM - 18 replies ▫ Humming problem with 5687? SE amp design. ▫ 02-20-2003 04:12 PM - 7 replies ▫ QUAD II mains at 240VAC instead of 220VAC? ▫ 02-20-2003 03:05 PM - 4 replies ▫ monoblock vs. one chassis? ▫ 02-20-2003 01:33 AM - 49 replies ▫ EL 156 - what to do? ▫ 02-19-2003 06:42 PM - 11 replies ▫ Joel's 6SN7 preamp (photo) ▫ 02-19-2003 04:43 PM - 48 replies ▫ Newbee looking to build Valve Preamp ▫ 02-19-2003 02:58 PM - 83 replies ▫ The attraction of vacuum tubes / valves. ▫ 02-19-2003 06:18 AM - 135 replies ▫ What do with these tubes... ▫ 02-19-2003 12:15 AM - 1 reply ▫ looking to make simple distortion pedal ▫ 02-18-2003 10:39 PM - 1 reply ▫ Simple tube preamp... ▫ 02-18-2003 02:50 PM - 8 replies ▫ LCR RIAA AND TUBES. ▫ 02-18-2003 11:56 AM - 18 replies ▫ WTB Output Transformers ▫ 02-18-2003 05:50 AM - 3 replies ▫ 2A3 pp biasing schemes compared. ▫ 02-17-2003 11:41 AM - 11 replies ▫ 7199 glowing purple? ▫ 02-17-2003 01:42 AM - 10 replies ▫ Preamp has Neg waveform clip at 11.3 volts out ▫ 02-17-2003 12:28 AM - 6 replies ▫ Remote Controlled Tube Amp ▫ 02-16-2003 09:41 AM - 4 replies ▫ A few questions ▫ 02-16-2003 04:15 AM - 8 replies ▫ Using relays in high voltage circuits ▫ 02-15-2003 09:20 PM - 33 replies ▫ TDA1541 with passive filter ▫ 02-15-2003 04:35 PM - 26 replies ▫ tune 'em up - old russian radios ▫ 02-15-2003 09:14 AM - 6 replies ▫ Gas-coupled 6L6/6BG6-G SE ▫ 02-14-2003 07:02 PM - 11 replies ▫ 01aa? ▫ 02-14-2003 06:55 PM - 2 replies ▫ Gain for common anode.... ▫ 02-14-2003 05:12 PM - 9 replies ▫ Too much capacitance in power supply? ▫ 02-14-2003 01:51 PM - 12 replies ▫ Aloha ▫ 02-14-2003 11:24 AM - 14 replies ▫ Instock designer in potential lawsuit!! ▫ 02-13-2003 11:35 PM - 18 replies ▫ Troubleshooting Problem in Tube Preamp ▫ 02-13-2003 10:19 PM - 3 replies ▫ 0.5ml of Snake Oil for $59 ▫ 02-13-2003 06:31 PM - 351 replies ▫ Output impedance ▫ 02-13-2003 04:53 PM - 8 replies ▫ to DIY or not to DIY ▫ 02-13-2003 02:56 PM - 11 replies ▫ the OTHER tubes forum=yuck! ▫ 02-12-2003 03:06 PM - 46 replies ▫ 3A/110B into a LL1680 Preamp ▫ 02-12-2003 11:51 AM - 30 replies ▫ New output transformers for Quicksilver amplifier ▫ 02-12-2003 11:49 AM - 13 replies ▫ 2 output transformers in 1 amp? ▫ 02-11-2003 11:14 PM - 2 replies ▫ Parallel feed OT ▫ 02-11-2003 12:36 PM - 25 replies ▫ DIY Tube Microphone preamplifier ▫ 02-11-2003 12:09 PM - 1 reply ▫ 6M5 valve ▫ 02-10-2003 11:00 PM - 2 replies ▫ Can I use a 1/8 watt resistors here? ▫ 02-10-2003 06:09 PM - 27 replies ▫ toroid Transformer as power Transformer for tube ▫ 02-10-2003 03:25 PM - 7 replies ▫ Trying to find............ ▫ 02-10-2003 11:09 AM - 4 replies ▫ Balancing output tubes by changing heater voltage. ▫ 02-10-2003 01:45 AM - 8 replies ▫ Push Pull Output Stage Question ▫ 02-09-2003 01:29 PM - 4 replies ▫ auto bias on a Quicksilver KT-88 amp ▫ 02-09-2003 12:28 AM - 4 replies ▫ SEPP for philips 800 ohm loudspeaker ▫ 02-08-2003 10:07 PM - 3 replies ▫ anyone tried 12HG7 as a driver ? ▫ 02-08-2003 06:47 PM - 5 replies ▫ Old tube amp ▫ 02-08-2003 04:32 PM - 18 replies ▫ Testing paper-in-oil capacitors ▫ 02-08-2003 03:45 PM - 1 reply ▫ need ´´quiet´´filament supply for 26 ▫ 02-08-2003 01:58 PM - 1 reply ▫ New Guy w/my Foreplay ▫ 02-07-2003 05:34 PM - 38 replies ▫ Spice models for circuitmaker ▫ 02-07-2003 05:07 PM - 5 replies ▫ I need the Schematic of Audio Research ph3 ▫ 02-07-2003 12:37 PM - 12 replies ▫ Audio Research SP9 guilty of screeching sounds! ▫ 02-06-2003 11:47 PM - 3 replies ▫ Humm ▫ 02-06-2003 07:59 PM - 4 replies ▫ Technics variation of Futterman SEPP. ▫ 02-06-2003 01:38 PM - 31 replies ▫ How low should PSU ripple voltage be in a preamp? ▫ 02-06-2003 09:33 AM - 5 replies ▫ Tube tester ▫ 02-05-2003 11:08 PM - 6 replies ▫ 6dn7 ▫ 02-04-2003 11:16 PM - 7 replies ▫ Power supply Schematic Counterpoint SA -3000 Help! ▫ 02-04-2003 11:41 AM - 2 replies ▫ counterpoint sa-7(volume pot value) ▫ 02-04-2003 07:22 AM - 39 replies ▫ Tube amp equivalent to LDC? ▫ 02-04-2003 05:49 AM - 1 reply ▫ Pics of Foreplay Preamp ▫ 02-04-2003 03:22 AM - 16 replies ▫ Old Valco Amp Tube Problem ▫ 02-04-2003 03:07 AM - 2 replies ▫ Tube mixer design ▫ 02-03-2003 09:45 PM - 2 replies ▫ Battery bias? ▫ 02-03-2003 09:19 AM - 53 replies ▫ Phono amp for a beginner ▫ 02-02-2003 06:10 PM - 14 replies ▫ Low voltage Tube Schematic ▫ 02-02-2003 03:18 PM - 14 replies ▫ Audio Research MCP 33 ▫ 02-02-2003 09:45 AM - 12 replies ▫ 6h30 dac output circuit wanted..anyone? ▫ 02-01-2003 09:21 PM - 19 replies ▫ 5Y3GT Question. ▫ 02-01-2003 10:49 AM - 3 replies ▫ Sovtek 6C45pi-E bias ▫ 01-31-2003 11:34 PM - 93 replies ▫ Cunningham/Radiotron RCA 58 ▫ 01-31-2003 11:34 PM - 2 replies ▫ no connections at all! ▫ 01-31-2003 06:32 PM - 0 replies ▫ Thorsten's Chokeless Monkey 2a3 ▫ 01-31-2003 06:29 AM - 16 replies ▫ No grid connection ▫ 01-30-2003 02:39 AM - 64 replies ▫ grid chokes ▫ 01-29-2003 09:50 PM - 9 replies ▫ Oh yeah, 7KY6 ▫ 01-29-2003 05:47 PM - 4 replies ▫ Time to rock your world. ▫ 01-29-2003 03:17 PM - 31 replies ▫ Best way to connect 300B cathode ▫ 01-29-2003 12:59 PM - 12 replies ▫ #26 lineamp vers a 5687 which is best? ▫ 01-29-2003 12:15 PM - 14 replies ▫ Alu-foil electrostatic shield ▫ 01-29-2003 10:31 AM - 4 replies ▫ 6DJ8 cathode heater voltage question. ▫ 01-29-2003 02:55 AM - 13 replies ▫ All Tube Ccs. ▫ 01-29-2003 01:45 AM - 13 replies ▫ Slew Rate Limiting... continued. ▫ 01-28-2003 09:32 PM - 31 replies ▫ DC variacs? ▫ 01-28-2003 09:24 PM - 19 replies ▫ HV Valve Shunt reg. ▫ 01-28-2003 04:46 PM - 14 replies ▫ toroid Transformer as output Transformer for tube preamp? ▫ 01-28-2003 04:20 PM - 15 replies ▫ PP-1c as Ultralinear ▫ 01-28-2003 04:31 AM - 1 reply ▫ Hi/Review Design ▫ 01-27-2003 03:06 PM - 37 replies ▫ Help with a circuit ▫ 01-26-2003 04:36 PM - 9 replies ▫ My 6SL7, 2A3 SE design ▫ 01-26-2003 10:09 AM - 73 replies ▫ jack probs ▫ 01-26-2003 12:48 AM - 7 replies ▫ 6SN7 tubes ▫ 01-25-2003 04:56 PM - 1 reply ▫ 3 Electrode gas regulators ▫ 01-25-2003 01:18 PM - 5 replies ▫ Mod to an old radio ▫ 01-24-2003 07:11 PM - 12 replies ▫ 813 valves ▫ 01-23-2003 06:58 PM - 36 replies ▫ Acro TO-300 output transformer ▫ 01-23-2003 01:36 PM - 1 reply ▫ Anyone have a picture of the Silver Seven? ▫ 01-23-2003 03:41 AM - 7 replies ▫ good sound with cheapo chokes ▫ 01-22-2003 05:56 PM - 68 replies ▫ Gary P's Pre ▫ 01-22-2003 05:56 PM - 35 replies ▫ Questions about a choke ▫ 01-22-2003 05:28 AM - 10 replies ▫ max DC-current for an unknown PS- Choke? ▫ 01-21-2003 12:09 PM - 5 replies ▫ Availability of 6C33C tubes? I need some for OTL amps ▫ 01-21-2003 02:33 AM - 39 replies ▫ 7805 regulated 5V supply ▫ 01-20-2003 03:01 PM - 3 replies ▫ Setting Pentode Screen Grid Voltage ▫ 01-19-2003 09:34 PM - 1 reply ▫ More 6158/13D3 ▫ 01-19-2003 03:39 PM - 68 replies ▫ Best PSU. ▫ 01-19-2003 01:18 AM - 166 replies ▫ Low power tube amp for headphones ▫ 01-18-2003 07:18 PM - 112 replies ▫ Basic question on 6922 ▫ 01-18-2003 10:58 AM - 3 replies ▫ LM317 current regulator ▫ 01-17-2003 09:53 AM - 22 replies ▫ DHT Triode Amp Project ▫ 01-17-2003 12:55 AM - 17 replies ▫ tube preamp for Zen? ▫ 01-16-2003 11:28 PM - 19 replies ▫ online tube equivalent chart ▫ 01-16-2003 09:52 PM - 3 replies ▫ Help!! Right Channel Freq distorted. ▫ 01-16-2003 12:31 PM - 3 replies ▫ first design by me! need feedback ▫ 01-16-2003 05:44 AM - 40 replies ▫ ECL86 preamp? ▫ 01-15-2003 10:28 AM - 23 replies ▫ Regulator/Choke/Cap ▫ 01-15-2003 05:44 AM - 8 replies ▫ Request for valve pics... ▫ 01-14-2003 08:34 PM - 42 replies ▫ SS PSU without choke ▫ 01-14-2003 10:00 AM - 29 replies ▫ Double EL84 Push-Pull supply ▫ 01-14-2003 05:33 AM - 44 replies ▫ 12AU7 vs 12BH7 vs 6CG7 ▫ 01-14-2003 01:50 AM - 34 replies ▫ What should i look for ▫ 01-13-2003 09:57 PM - 8 replies ▫ Quicksilver Tranny Question ▫ 01-13-2003 09:25 PM - 4 replies ▫ Using my O-scope on Tube amp ▫ 01-13-2003 08:45 PM - 58 replies ▫ Solid State DC filament supply ▫ 01-13-2003 08:33 PM - 35 replies ▫ hybrid common cathode amplifier? ▫ 01-13-2003 07:46 PM - 19 replies ▫ St-70 ▫ 01-13-2003 07:41 PM - 1 reply ▫ Best 300B project ▫ 01-13-2003 03:01 PM - 65 replies ▫ modifications to compact EL84 amp ▫ 01-13-2003 05:36 AM - 25 replies ▫ I need a few good (tube) men ▫ 01-10-2003 10:49 PM - 0 replies ▫ can i substitute 12ax7 for 12ax7a ▫ 01-10-2003 08:38 PM - 7 replies ▫ Kailin CMPDH300 Tube Power Amplifier ▫ 01-10-2003 02:28 PM - 66 replies ▫ Opinions and ideas on my new amp ▫ 01-10-2003 09:09 AM - 7 replies ▫ Some trouble reading schematics ▫ 01-10-2003 01:25 AM - 55 replies ▫ 6C33C-B Valve Preamplifier ▫ 01-10-2003 12:16 AM - 10 replies ▫ Filament wiring question ▫ 01-09-2003 08:21 PM - 23 replies ▫ What to do with these tubes? ▫ 01-09-2003 02:56 PM - 35 replies ▫ OTL, continued... ▫ 01-08-2003 06:33 PM - 109 replies ▫ Gas tube cathode load? ▫ 01-08-2003 04:26 PM - 4 replies ▫ I really would like your help on my 300B project ▫ 01-08-2003 03:55 PM - 165 replies ▫ How to cut holes for tubes ▫ 01-08-2003 01:31 PM - 23 replies

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