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 6201 to 6400 of 12199 available ▫ Bibster's 5687 Linestage, the return ▫ 05-04-2006 09:29 AM - 130 replies ▫ Anyone know anything about Morreto amps? ▫ 05-04-2006 03:35 AM - 0 replies ▫ Determining Output Power ▫ 05-04-2006 01:56 AM - 11 replies ▫ Turn on static? ▫ 05-04-2006 01:33 AM - 3 replies ▫ Estimate power transformer current rate? ▫ 05-04-2006 12:55 AM - 3 replies ▫ Control grid Voltage / grid stoppers... ▫ 05-03-2006 08:38 AM - 2 replies ▫ Horizontal TV tubes used in amplifier? ▫ 05-03-2006 03:21 AM - 40 replies ▫ tube sterio preamp complete ▫ 05-02-2006 06:49 PM - 0 replies ▫ Cons for using instrumentation tube PS for project amp... ▫ 05-02-2006 06:02 PM - 10 replies ▫ Svetlanas site down? ▫ 05-02-2006 04:09 PM - 16 replies ▫ Calculations for new Power transformer ▫ 05-02-2006 11:31 AM - 3 replies ▫ DIy tube-headphone amp (only 1 channel) ▫ 05-02-2006 06:00 AM - 6 replies ▫ Mullard CV4015 info? ▫ 05-02-2006 01:19 AM - 7 replies ▫ SMPS for tube amp? ▫ 05-01-2006 06:00 PM - 15 replies ▫ Pentode Push-Pull ▫ 05-01-2006 01:40 PM - 64 replies ▫ LL1660S Anomaly ▫ 05-01-2006 02:20 AM - 17 replies ▫ DIY Hybrid poweramp noise and hum problem ▫ 04-30-2006 09:28 PM - 8 replies ▫ tube questions ▫ 04-30-2006 02:48 PM - 5 replies ▫ Problems w/biasing a lC50 ▫ 04-30-2006 04:45 AM - 0 replies ▫ Big Honkin Tele ▫ 04-30-2006 12:21 AM - 5 replies ▫ Tube DIY store ▫ 04-29-2006 05:34 PM - 12 replies ▫ Pronouced 300B amp Midrange ▫ 04-29-2006 02:55 PM - 4 replies ▫ Tube preamp with current mirror ▫ 04-29-2006 10:44 AM - 19 replies ▫ Transformer Coupling and Headphones? (Toob Noob) ▫ 04-28-2006 11:14 AM - 10 replies ▫ Who can explain the source of this Siemens 12AU7 ▫ 04-28-2006 07:20 AM - 13 replies ▫ how does one tell when a tube is truely dead? ▫ 04-28-2006 03:38 AM - 2 replies ▫ A curious observation ▫ 04-27-2006 10:31 PM - 1 reply ▫ Help choosing capacitor value? ▫ 04-27-2006 07:52 PM - 15 replies ▫ Neon Power? ▫ 04-27-2006 01:44 PM - 12 replies ▫ The rectifier from hell, a little story. ▫ 04-27-2006 08:10 AM - 6 replies ▫ a directly heated monkey? ▫ 04-27-2006 04:20 AM - 42 replies ▫ 6l6gc SET, my first DIY ▫ 04-27-2006 02:59 AM - 3 replies ▫ SE Output Transformer Matching ▫ 04-27-2006 02:13 AM - 2 replies ▫ power tube biasing ▫ 04-26-2006 03:38 PM - 5 replies ▫ Help! 6DJ8 Tube Buffer Schematics ▫ 04-26-2006 08:27 AM - 5 replies ▫ Output Transformers for an EL84 Push-Pull Amp ▫ 04-26-2006 08:27 AM - 2 replies ▫ Jupiters: Tolerance: 26% over spec: o.k.? ▫ 04-26-2006 08:27 AM - 1 reply ▫ Can I use a 01A in a headphone amp? ▫ 04-25-2006 03:55 PM - 27 replies ▫ Advice regarding philips/mullard EL34 ▫ 04-25-2006 01:32 PM - 11 replies ▫ 300b based monoblock plans ▫ 04-25-2006 02:59 AM - 11 replies ▫ need help for Marshall PCB ▫ 04-24-2006 02:44 PM - 2 replies ▫ Marshall schematic ? ▫ 04-24-2006 01:23 PM - 0 replies ▫ counterpoint Sa 5.1 ▫ 04-24-2006 01:23 PM - 284 replies ▫ Help with bogen CH8 ▫ 04-24-2006 05:07 AM - 6 replies ▫ where do you get those schematics / layouts? ▫ 04-24-2006 02:05 AM - 3 replies ▫ Spice 3f4 model of a low voltage direct heated signal level pentode ▫ 04-24-2006 01:18 AM - 0 replies ▫ ECC82 ▫ 04-23-2006 02:59 PM - 6 replies ▫ Major diff between 12AX7 and 12AU7 ▫ 04-22-2006 08:21 PM - 32 replies ▫ Voltage doubler question ▫ 04-22-2006 02:54 PM - 25 replies ▫ el34 instead of 6550 ▫ 04-22-2006 12:59 PM - 7 replies ▫ Bogen CH8 ▫ 04-22-2006 02:50 AM - 1 reply ▫ Ah Njoe Tjoeb 4000 problem ▫ 04-22-2006 01:28 AM - 9 replies ▫ my last project ▫ 04-21-2006 05:12 PM - 28 replies ▫ TIP50 voltage regulator ▫ 04-21-2006 04:26 PM - 16 replies ▫ Collets for 212 pins ▫ 04-21-2006 11:58 AM - 0 replies ▫ K-12M Enclosure + Upgrades. Finished! ▫ 04-21-2006 05:29 AM - 13 replies ▫ Will this work? ▫ 04-20-2006 10:27 PM - 33 replies ▫ Big tube - what is it? ▫ 04-20-2006 08:42 PM - 29 replies ▫ Help! no signal! Marshall JTM60 ▫ 04-20-2006 07:36 PM - 11 replies ▫ PSU topology & regulator ▫ 04-20-2006 10:41 AM - 10 replies ▫ Dynaco from scratch ▫ 04-20-2006 03:41 AM - 25 replies ▫ 6HV5A Single Ended Amp ▫ 04-20-2006 02:32 AM - 62 replies ▫ Cheap but not too much ! ▫ 04-20-2006 12:54 AM - 5 replies ▫ Quick Output Transformer Question ▫ 04-20-2006 12:08 AM - 5 replies ▫ Help with guitar tube amp mods ▫ 04-19-2006 06:38 PM - 6 replies ▫ strange thing with AMC 2030 ▫ 04-19-2006 02:27 PM - 1 reply ▫ GE6072 replacement tube ▫ 04-19-2006 09:23 AM - 14 replies ▫ Counterpoint 5.1 preamp ▫ 04-19-2006 07:38 AM - 2 replies ▫ Tube library ▫ 04-18-2006 11:51 PM - 4 replies ▫ RIAA recording on CD ▫ 04-18-2006 10:14 PM - 1 reply ▫ Old SE transformer measuring? ▫ 04-18-2006 07:15 PM - 2 replies ▫ Speakers for tube amps... ▫ 04-18-2006 04:24 PM - 4 replies ▫ MF x10v3 ▫ 04-18-2006 11:00 AM - 3 replies ▫ Free Tube Books..... ▫ 04-17-2006 11:18 PM - 2 replies ▫ A Transformer question ▫ 04-17-2006 09:43 PM - 8 replies ▫ Parallel bridging of tube headphone amp - help!!! ▫ 04-17-2006 09:25 PM - 3 replies ▫ 6v6 PP - No sound ▫ 04-17-2006 07:49 PM - 12 replies ▫ help with interstage needed ▫ 04-17-2006 08:42 AM - 0 replies ▫ Hum in Speakers ▫ 04-16-2006 06:38 PM - 13 replies ▫ Just another PP... ▫ 04-16-2006 02:58 PM - 24 replies ▫ Leak Stereo 20 questions ▫ 04-15-2006 01:01 PM - 23 replies ▫ 10M45 CCS, what am I doing wrong ? ▫ 04-15-2006 06:49 AM - 7 replies ▫ Musical Fidelity X-Can V3 Headphone Amp ▫ 04-15-2006 05:58 AM - 2 replies ▫ Various transformers ▫ 04-15-2006 01:11 AM - 4 replies ▫ tubes sound ▫ 04-15-2006 12:28 AM - 127 replies ▫ Power supply help! ▫ 04-14-2006 08:26 PM - 9 replies ▫ KR Tubes ▫ 04-14-2006 06:25 PM - 7 replies ▫ Bi-amp Between Tube, and SS ▫ 04-14-2006 05:11 PM - 11 replies ▫ 2 Tube questions, ▫ 04-14-2006 02:08 PM - 5 replies ▫ my biggest project ever , need lotsa help plz ▫ 04-13-2006 10:41 PM - 0 replies ▫ tube temperatures ▫ 04-13-2006 06:38 PM - 3 replies ▫ hh scott bias issues ▫ 04-13-2006 05:27 PM - 3 replies ▫ B+ required w/ ccs load ▫ 04-13-2006 04:31 PM - 2 replies ▫ Info re Soundtech powerone tube amp ▫ 04-13-2006 02:34 PM - 1 reply ▫ Verdier Regulated Power Supply ▫ 04-13-2006 11:19 AM - 2 replies ▫ 6DJ8/ECC88 mu-follower ▫ 04-13-2006 09:01 AM - 30 replies ▫ Tube Compressor ▫ 04-13-2006 08:42 AM - 38 replies ▫ Newbie PSU question ▫ 04-13-2006 01:33 AM - 25 replies ▫ Hickok Cardmatic tube tester cards ▫ 04-12-2006 06:47 PM - 6 replies ▫ Hashimoto SE Output Transformer ▫ 04-12-2006 06:09 PM - 27 replies ▫ Ripple and chokes ▫ 04-12-2006 11:14 AM - 16 replies ▫ Tubes driven by BJT's ▫ 04-12-2006 10:12 AM - 12 replies ▫ Red LED substitution questions ▫ 04-12-2006 09:12 AM - 16 replies ▫ Hytron big 71A ▫ 04-11-2006 08:59 PM - 13 replies ▫ Need some help for 6L6 amp ▫ 04-11-2006 06:51 PM - 11 replies ▫ 802 as an audio output tube ▫ 04-11-2006 06:24 PM - 10 replies ▫ Changing 6DJ8 SRPP stage gain ▫ 04-11-2006 02:47 PM - 0 replies ▫ Cooling In Cab / Minimum Vent Area? ▫ 04-11-2006 12:10 AM - 11 replies ▫ Tube voltage help ▫ 04-10-2006 11:47 PM - 2 replies ▫ MF XPre troubleshooting ▫ 04-10-2006 09:01 PM - 10 replies ▫ Giaime's Preamp Finished!!! ▫ 04-10-2006 08:43 PM - 19 replies ▫ Circuit and PCB Layout comments ▫ 04-10-2006 07:56 PM - 18 replies ▫ 4613 triode ▫ 04-10-2006 07:15 AM - 6 replies ▫ Help with inverter CCS+NFB ▫ 04-10-2006 06:20 AM - 21 replies ▫ Question about KT 88 integrated ▫ 04-10-2006 04:40 AM - 1 reply ▫ The Trials, and Tribulations of Bias ▫ 04-09-2006 08:35 PM - 7 replies ▫ Which components should be matched? ▫ 04-09-2006 08:10 PM - 1 reply ▫ Using PP output for SE? ▫ 04-09-2006 05:43 PM - 8 replies ▫ Tube Newbee Needing Guidance ▫ 04-09-2006 05:12 PM - 3 replies ▫ 12A/71A SET project ▫ 04-09-2006 04:34 PM - 13 replies ▫ 805 SE amplifier ▫ 04-09-2006 08:10 AM - 72 replies ▫ Playing with screen resistors ▫ 04-08-2006 09:28 PM - 2 replies ▫ Interpret this 12ax7 feedback loop ▫ 04-08-2006 08:19 PM - 7 replies ▫ Low voltage-drop CCS for LTP input stage? ▫ 04-08-2006 07:45 PM - 8 replies ▫ Tube Socket Mounting - rigid or floating ▫ 04-08-2006 05:09 PM - 2 replies ▫ SE-9 mod help please ▫ 04-08-2006 09:31 AM - 4 replies ▫ 2a3SE ▫ 04-08-2006 09:30 AM - 12 replies ▫ 20 Watt SE. I had found it. ▫ 04-07-2006 10:26 PM - 12 replies ▫ Ok to exceed Vg2 in triode? (Yes) ▫ 04-07-2006 05:20 PM - 8 replies ▫ Fender Adjustments ▫ 04-07-2006 05:10 PM - 6 replies ▫ Help needed in Bloomington IN ▫ 04-07-2006 04:41 AM - 1 reply ▫ % error for primary resistance ▫ 04-06-2006 09:32 PM - 4 replies ▫ Help Understanding Circuit (grounded grid I/V) ▫ 04-06-2006 08:24 PM - 8 replies ▫ Testing a 70.7v transformer ▫ 04-06-2006 05:23 PM - 1 reply ▫ thyratron? ▫ 04-06-2006 11:43 AM - 6 replies ▫ Tube frontend.... ▫ 04-06-2006 11:23 AM - 1 reply ▫ Transformer and Choke Grounding? ▫ 04-06-2006 01:04 AM - 4 replies ▫ El509 Pse ▫ 04-06-2006 12:32 AM - 1 reply ▫ 6550 Safety Question ▫ 04-05-2006 10:53 PM - 3 replies ▫ Jadis Defy 7 : Manual ▫ 04-05-2006 03:34 PM - 7 replies ▫ Melos Ma-111b ▫ 04-05-2006 01:47 PM - 1 reply ▫ Old audio amp change ▫ 04-05-2006 01:25 PM - 3 replies ▫ Need 45 tubes ▫ 04-05-2006 11:56 AM - 23 replies ▫ Jadis Defy 7 : Manual ?? ▫ 04-05-2006 07:26 AM - 0 replies ▫ Help for pre-amp and two single-ended finals ▫ 04-05-2006 05:32 AM - 3 replies ▫ Schematic needed:MFA Magus B ▫ 04-05-2006 04:41 AM - 23 replies ▫ Can I remove the input caps? ▫ 04-04-2006 12:13 PM - 17 replies ▫ 807 vs. 1624 tetrode ? ▫ 04-04-2006 09:57 AM - 33 replies ▫ how to make tube amp sound layback and mellow? ▫ 04-04-2006 03:51 AM - 28 replies ▫ Standard tube filament voltages and currents ▫ 04-03-2006 07:32 PM - 2 replies ▫ SE 20W. What tube? ▫ 04-03-2006 09:21 AM - 28 replies ▫ 5687 Linestage behaving odd... ▫ 04-03-2006 09:12 AM - 22 replies ▫ Tube Headphone Amp ! ▫ 04-03-2006 06:39 AM - 5 replies ▫ SMPS & tube pre-amp development board. ▫ 04-02-2006 07:24 PM - 2 replies ▫ Question about Melody KT88 amp ▫ 04-02-2006 06:27 PM - 0 replies ▫ Trafomatic Transformer ▫ 04-02-2006 06:17 PM - 5 replies ▫ Diode trick? ▫ 04-02-2006 01:20 PM - 15 replies ▫ Return of the vacuum tube sonic hologram generator ▫ 04-02-2006 08:54 AM - 1 reply ▫ 6V6 ->EL84 with 12AT7? ▫ 04-02-2006 06:09 AM - 8 replies ▫ design for 6336A OTL amp needed ▫ 04-02-2006 04:57 AM - 7 replies ▫ Aikido sound? ▫ 04-01-2006 09:04 PM - 9 replies ▫ Valve preamp ▫ 04-01-2006 07:29 PM - 5 replies ▫ GAS VR Tubes on B+ ▫ 04-01-2006 06:30 PM - 4 replies ▫ Measuring Triode-Connected Pentode Curves ▫ 04-01-2006 06:04 PM - 23 replies ▫ 6L6, 12L6 not same tube! ▫ 04-01-2006 03:35 AM - 9 replies ▫ equivilent part numbers for 6K35HF ▫ 03-31-2006 07:36 PM - 2 replies ▫ Is this a start or run cap ▫ 03-31-2006 03:10 PM - 9 replies ▫ 6V6 PP under construction - pics ▫ 03-31-2006 02:27 PM - 8 replies ▫ Is this practical ▫ 03-31-2006 12:48 AM - 10 replies ▫ Idea for a 2 tube 6080 PP amp. ▫ 03-30-2006 07:16 PM - 110 replies ▫ pls tell where to buy core of transformer ▫ 03-30-2006 02:41 PM - 3 replies ▫ 300B amp PS optimization? ▫ 03-30-2006 02:14 PM - 8 replies ▫ Different value for .47uf coupling cap ▫ 03-30-2006 02:00 AM - 2 replies ▫ Old Olympic audio tube amp ▫ 03-29-2006 11:52 PM - 3 replies ▫ What Design to Use? ▫ 03-29-2006 03:36 PM - 15 replies ▫ KT90's anyone using'em ? ▫ 03-29-2006 03:15 PM - 20 replies ▫ What are they? ▫ 03-28-2006 01:13 PM - 3 replies ▫ Replace el34 with 6p3s ▫ 03-28-2006 12:06 PM - 1 reply ▫ Advice on 6V6 push pull Parallel ▫ 03-28-2006 01:09 AM - 4 replies ▫ squealing output transformer ▫ 03-27-2006 11:24 PM - 11 replies ▫ Melos Sha Gold ▫ 03-27-2006 07:50 PM - 12 replies ▫ Ways to Lower B+ in a Tube Rectifed PS ▫ 03-27-2006 06:13 PM - 8 replies ▫ Oregon Electronics D6 HV supplies: info needed please ▫ 03-27-2006 02:33 PM - 7 replies ▫ My version of the Vacuum State FVP5 ▫ 03-27-2006 01:37 PM - 67 replies ▫ Diy Tube Phono Preamp ▫ 03-27-2006 02:24 AM - 36 replies ▫ double check the math ▫ 03-26-2006 11:54 PM - 3 replies ▫ Kitparts line stage ▫ 03-26-2006 09:28 PM - 9 replies ▫ Aikido tube heater floating ▫ 03-26-2006 05:23 PM - 6 replies ▫ Cathode and other types of feedback ▫ 03-26-2006 05:00 PM - 23 replies ▫ Tube God TH-1 Amp Regulator PCB ???? ▫ 03-26-2006 03:04 PM - 7 replies ▫ step-up travel transformer for small preamp? ▫ 03-26-2006 07:13 AM - 6 replies ▫ Help a total tube amp newbie find a super simple design... ▫ 03-26-2006 01:30 AM - 24 replies ▫ heretical unity gain and ccs question ▫ 03-25-2006 11:28 PM - 14 replies ▫ Vox tubes glowing red hot ▫ 03-25-2006 01:01 PM - 10 replies ▫ waade headphone amp help ▫ 03-24-2006 07:32 PM - 9 replies ▫ What To Do ▫ 03-24-2006 05:18 PM - 5 replies ▫ Parallel Two Tubes ▫ 03-24-2006 01:50 PM - 1 reply ▫ 4 x PSE EL34 ▫ 03-24-2006 01:49 PM - 1 reply ▫ EL34 CCS help ▫ 03-24-2006 11:07 AM - 2 replies ▫ Tube curve tracer project ▫ 03-24-2006 03:01 AM - 17 replies

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