| Tubes - Showing threads 5801 to 6000 of 11639 available |
▫ design for 6336A OTL amp needed ▫ 04-02-2006 03:57 AM - 7 replies
▫ Aikido sound? ▫ 04-01-2006 08:04 PM - 9 replies
▫ Valve preamp ▫ 04-01-2006 06:29 PM - 5 replies
▫ GAS VR Tubes on B+ ▫ 04-01-2006 05:30 PM - 4 replies
▫ Measuring Triode-Connected Pentode Curves ▫ 04-01-2006 05:04 PM - 23 replies
▫ 6L6, 12L6 not same tube! ▫ 04-01-2006 02:35 AM - 9 replies
▫ equivilent part numbers for 6K35HF ▫ 03-31-2006 06:36 PM - 2 replies
▫ Is this a start or run cap ▫ 03-31-2006 02:10 PM - 9 replies
▫ 6V6 PP under construction - pics ▫ 03-31-2006 01:27 PM - 8 replies
▫ Is this practical ▫ 03-30-2006 11:48 PM - 10 replies
▫ Idea for a 2 tube 6080 PP amp. ▫ 03-30-2006 06:16 PM - 110 replies
▫ pls tell where to buy core of transformer ▫ 03-30-2006 01:41 PM - 3 replies
▫ 300B amp PS optimization? ▫ 03-30-2006 01:14 PM - 8 replies
▫ Different value for .47uf coupling cap ▫ 03-30-2006 01:00 AM - 2 replies
▫ Old Olympic audio tube amp ▫ 03-29-2006 10:52 PM - 3 replies
▫ What Design to Use? ▫ 03-29-2006 02:36 PM - 15 replies
▫ KT90's anyone using'em ? ▫ 03-29-2006 02:15 PM - 20 replies
▫ What are they? ▫ 03-28-2006 12:13 PM - 3 replies
▫ Replace el34 with 6p3s ▫ 03-28-2006 11:06 AM - 1 reply
▫ Advice on 6V6 push pull Parallel ▫ 03-28-2006 12:09 AM - 4 replies
▫ squealing output transformer ▫ 03-27-2006 10:24 PM - 11 replies
▫ Melos Sha Gold ▫ 03-27-2006 06:50 PM - 12 replies
▫ Ways to Lower B+ in a Tube Rectifed PS ▫ 03-27-2006 05:13 PM - 8 replies
▫ Oregon Electronics D6 HV supplies: info needed please ▫ 03-27-2006 01:33 PM - 7 replies
▫ My version of the Vacuum State FVP5 ▫ 03-27-2006 12:37 PM - 67 replies
▫ Diy Tube Phono Preamp ▫ 03-27-2006 01:24 AM - 36 replies
▫ double check the math ▫ 03-26-2006 10:54 PM - 3 replies
▫ Kitparts line stage ▫ 03-26-2006 08:28 PM - 9 replies
▫ Aikido tube heater floating ▫ 03-26-2006 04:23 PM - 6 replies
▫ Cathode and other types of feedback ▫ 03-26-2006 04:00 PM - 23 replies
▫ Tube God TH-1 Amp Regulator PCB ???? ▫ 03-26-2006 02:04 PM - 7 replies
▫ step-up travel transformer for small preamp? ▫ 03-26-2006 06:13 AM - 6 replies
▫ Help a total tube amp newbie find a super simple design... ▫ 03-26-2006 12:30 AM - 24 replies
▫ heretical unity gain and ccs question ▫ 03-25-2006 10:28 PM - 14 replies
▫ Vox tubes glowing red hot ▫ 03-25-2006 12:01 PM - 10 replies
▫ waade headphone amp help ▫ 03-24-2006 06:32 PM - 9 replies
▫ What To Do ▫ 03-24-2006 04:18 PM - 5 replies
▫ Parallel Two Tubes ▫ 03-24-2006 12:50 PM - 1 reply
▫ 4 x PSE EL34 ▫ 03-24-2006 12:49 PM - 1 reply
▫ EL34 CCS help ▫ 03-24-2006 10:07 AM - 2 replies
▫ Tube curve tracer project ▫ 03-24-2006 02:01 AM - 17 replies
▫ Single Ended EL-34? ▫ 03-24-2006 01:44 AM - 11 replies
▫ maxi tube tester? ▫ 03-24-2006 01:31 AM - 10 replies
▫ Zener Bias ▫ 03-24-2006 12:52 AM - 1 reply
▫ Looking to build a tube amp. ▫ 03-23-2006 05:48 PM - 3 replies
▫ Tube humming question ▫ 03-23-2006 03:38 PM - 1 reply
▫ YAPPAP (Yet Another Push-Pull Amplifier Project) ▫ 03-22-2006 11:26 PM - 16 replies
▫ voltage output dac ==> TUBE ▫ 03-22-2006 07:32 PM - 0 replies
▫ Heater switch transistor ▫ 03-22-2006 05:59 PM - 4 replies
▫ Anything post power transformer that can cause it to hum / buzz? ▫ 03-22-2006 06:20 AM - 6 replies
▫ Aikido enclosure ▫ 03-21-2006 03:35 PM - 3 replies
▫ Power Transformers. Decisions ▫ 03-21-2006 12:33 AM - 8 replies
▫ First tube after IV ▫ 03-20-2006 07:23 PM - 5 replies
▫ Suggestions for Upgrade - VDV70/100 ▫ 03-20-2006 02:39 AM - 7 replies
▫ New Hybrid Output Stage and booster for SE Amp ▫ 03-20-2006 01:12 AM - 3 replies
▫ Pro and cons high DCR filter choke ▫ 03-19-2006 03:34 PM - 6 replies
▫ do-it yourself leslie help ▫ 03-19-2006 07:04 AM - 1 reply
▫ John Broskie Aikido boards ▫ 03-18-2006 08:18 PM - 0 replies
▫ Making a muscular triode monoblock amplifier using P-P Eimac 450TH's ▫ 03-18-2006 02:46 PM - 22 replies
▫ Limited run PCBs - where's copyright??? ▫ 03-18-2006 01:17 PM - 4 replies
▫ Hammond Amp Question ▫ 03-18-2006 02:27 AM - 11 replies
▫ Impedance matching ▫ 03-17-2006 08:54 PM - 3 replies
▫ 6111 output for CD player - opinions - some help? ▫ 03-17-2006 03:00 PM - 3 replies
▫ Sensitivity Limiter - Bogen Mx-30a ▫ 03-17-2006 02:24 PM - 0 replies
▫ Are my speakers efficient enough for tubes? ▫ 03-17-2006 10:49 AM - 83 replies
▫ Ping Sy: LED for Cathode Bias ▫ 03-17-2006 09:42 AM - 160 replies
▫ PSU capacitors/electrolytics ▫ 03-17-2006 07:07 AM - 25 replies
▫ 2A3 monoblock power supply ▫ 03-17-2006 02:07 AM - 19 replies
▫ 2 tube questions ▫ 03-16-2006 10:19 PM - 2 replies
▫ Just acquired HEATHKIT W4-AM-*picture* ▫ 03-16-2006 09:56 PM - 17 replies
▫ Passive line stage with tubes ▫ 03-16-2006 05:41 PM - 6 replies
▫ My favorite preamp ▫ 03-16-2006 12:01 PM - 13 replies
▫ Again, a preamp tube choice. ▫ 03-16-2006 09:59 AM - 15 replies
▫ Class Double A ▫ 03-16-2006 04:10 AM - 27 replies
▫ Two Stereo Tube Amps Into Monoblocks ▫ 03-16-2006 01:30 AM - 3 replies
▫ Multi-purpose tube amp (line and guitar inputs) ▫ 03-15-2006 11:54 PM - 28 replies
▫ Espey AM/FM radio (pentagrid mixer, etc.) ▫ 03-15-2006 05:58 PM - 8 replies
▫ Need help for DIY EL34PP tube amp ▫ 03-15-2006 01:04 PM - 5 replies
▫ Higher value oil capacitors? ▫ 03-15-2006 12:38 PM - 36 replies
▫ Transconductance. ▫ 03-15-2006 02:58 AM - 16 replies
▫ 5763 tetrode on OTL ? ▫ 03-14-2006 09:11 PM - 1 reply
▫ cornford harlequin ▫ 03-14-2006 04:29 PM - 0 replies
▫ Need help: 5687 tubes and heat dissipation ▫ 03-14-2006 03:18 PM - 6 replies
▫ Tube preamp, tone control problem ▫ 03-14-2006 09:47 AM - 15 replies
▫ Use 5KV transformer as output transformer? ▫ 03-14-2006 06:42 AM - 7 replies
▫ Any EL84 alternatives? ▫ 03-14-2006 05:51 AM - 20 replies
▫ help on id of tubes ▫ 03-13-2006 10:38 PM - 8 replies
▫ Sovtek 6CA7-EH Producing smoke... ▫ 03-13-2006 07:32 PM - 43 replies
▫ building V4's and phono pre ▫ 03-13-2006 04:49 PM - 0 replies
▫ pre out on a integrated tube amp? ▫ 03-13-2006 12:18 PM - 1 reply
▫ 6SN7 some good some bad ▫ 03-13-2006 11:27 AM - 13 replies
▫ Phono pre amp - thanks SY ▫ 03-13-2006 02:03 AM - 21 replies
▫ 6c33c Tube preamp ▫ 03-12-2006 07:41 AM - 9 replies
▫ Tubes for Lumley ST40 power amplifier? ▫ 03-12-2006 07:32 AM - 14 replies
▫ Plate supply of Conrad Johnson PV-5 ? ▫ 03-12-2006 07:07 AM - 0 replies
▫ 6CD6GA in Enhanced Triode Mode for SE Amp ▫ 03-12-2006 03:27 AM - 52 replies
▫ Fender 6G15 clone ▫ 03-12-2006 01:33 AM - 2 replies
▫ where do I.E.T. tubes come from ▫ 03-11-2006 10:58 AM - 1 reply
▫ I wanna DIY a PP 6550 Guitar Setup ▫ 03-10-2006 11:09 PM - 11 replies
▫ Hum 300b Again ▫ 03-10-2006 10:10 PM - 5 replies
▫ Pse El34 ▫ 03-10-2006 09:43 PM - 2 replies
▫ Mcintosh MR65 Tube Tuner ▫ 03-10-2006 02:59 PM - 0 replies
▫ Problem: Really Bright glowing 6CA7 ▫ 03-10-2006 01:20 PM - 14 replies
▫ New member introduction & question ▫ 03-10-2006 12:33 PM - 9 replies
▫ The "PowerTotem"... a new way to SET? ▫ 03-10-2006 12:10 PM - 29 replies
▫ Please advice on KT88 Push Pull ▫ 03-10-2006 09:20 AM - 6 replies
▫ console "guitar amp" part 2 ▫ 03-10-2006 01:38 AM - 1 reply
▫ Odd's n Ends Revisited 6V6 SE amp ▫ 03-10-2006 01:31 AM - 2 replies
▫ Bottlehead Foreplay with chipamp ▫ 03-09-2006 03:59 PM - 4 replies
▫ Next Amp: 2a3PSE, 300B or KT88SE UL ▫ 03-09-2006 03:41 PM - 23 replies
▫ transformer list ▫ 03-09-2006 08:53 AM - 3 replies
▫ do 300b amps really sound any good? ▫ 03-09-2006 08:41 AM - 11 replies
▫ Capacitance For Mono Block Design ▫ 03-09-2006 12:56 AM - 1 reply
▫ pilot 264 ▫ 03-08-2006 09:58 PM - 17 replies
▫ Octal equivalents for 6C45? ▫ 03-08-2006 09:10 PM - 21 replies
▫ lm3875 chipamp and tube pre loud buzzing ▫ 03-08-2006 12:32 PM - 0 replies
▫ Using a spdt switch to select between triode mode and pentode mode on a guitar amp. ▫ 03-08-2006 09:01 AM - 19 replies
▫ 32 ohm bass amp. ▫ 03-08-2006 03:46 AM - 5 replies
▫ PSE UL EL84 or 6V6 or EL34? ▫ 03-08-2006 12:07 AM - 6 replies
▫ Paraphase Splitter - why is it unpopular? ▫ 03-07-2006 10:15 PM - 9 replies
▫ Tubed IR spectrophotometer ▫ 03-07-2006 02:52 PM - 14 replies
▫ Very Basic 12AX7 Heater Question ▫ 03-07-2006 01:31 PM - 4 replies
▫ 6072A/12AY7 for an AKG C12 Microphone ▫ 03-07-2006 12:57 PM - 4 replies
▫ SET Suggestions ▫ 03-07-2006 07:25 AM - 37 replies
▫ Will ccs work with a DHT? ▫ 03-06-2006 07:32 PM - 24 replies
▫ Resistor type and power rating ▫ 03-06-2006 05:40 PM - 5 replies
▫ tube patents ▫ 03-06-2006 04:19 PM - 5 replies
▫ Why use E182CC? ▫ 03-06-2006 11:42 AM - 10 replies
▫ tube ▫ 03-06-2006 10:27 AM - 4 replies
▫ understanding transformer codes ▫ 03-06-2006 03:19 AM - 2 replies
▫ Maida regulator, these results expected? ▫ 03-05-2006 07:06 PM - 5 replies
▫ Moto chassis pulled! pics! ▫ 03-05-2006 03:22 PM - 1 reply
▫ glasshouse kit amps. Any good? ▫ 03-05-2006 09:20 AM - 1 reply
▫ class B ▫ 03-04-2006 06:47 PM - 2 replies
▫ a.r.t. mpa tube pre amp ▫ 03-04-2006 05:42 PM - 0 replies
▫ Upper and lower triode in E88CC ▫ 03-04-2006 12:25 PM - 7 replies
▫ Booster Amps ▫ 03-04-2006 10:29 AM - 8 replies
▫ Help on Magnavox Paraphase (Gabevee?) ▫ 03-04-2006 08:38 AM - 7 replies
▫ New stock pre -amp tubes. Whats good? ▫ 03-03-2006 06:49 PM - 7 replies
▫ Gridstoppers against RF, a necessity ? ▫ 03-03-2006 09:53 AM - 14 replies
▫ CV2492 / 6922 / E88CC ▫ 03-03-2006 09:10 AM - 2 replies
▫ HK Citation II Bias "issues" ▫ 03-03-2006 06:37 AM - 9 replies
▫ 3k vs. 5k transformer for PP 2A3 ▫ 03-03-2006 12:05 AM - 15 replies
▫ Turret terminal board for line stage construction? ▫ 03-02-2006 11:55 PM - 22 replies
▫ Tube Cage Question ▫ 03-02-2006 10:15 PM - 8 replies
▫ Small and easy ESL amp ▫ 03-02-2006 02:26 PM - 40 replies
▫ SOVTEK 6550WE's any good? ▫ 03-01-2006 11:48 PM - 4 replies
▫ power tube for drivers ▫ 03-01-2006 09:49 PM - 16 replies
▫ 12B4A line driver/preamp ▫ 03-01-2006 04:17 PM - 29 replies
▫ Question about tube amp power supply caps ▫ 03-01-2006 04:05 PM - 12 replies
▫ Why separate AC heater supplies for driver and power tubes? ▫ 02-28-2006 11:29 PM - 3 replies
▫ Using one half of double triode ▫ 02-28-2006 01:08 PM - 8 replies
▫ huh ? ▫ 02-28-2006 12:14 PM - 5 replies
▫ holy cow, this sounds nice ▫ 02-28-2006 12:02 PM - 10 replies
▫ my SY CCS is only giving me 15mA ▫ 02-28-2006 10:59 AM - 17 replies
▫ Changing filter cap in HH Scott ▫ 02-28-2006 06:49 AM - 2 replies
▫ Why Class AB is bad ▫ 02-28-2006 06:11 AM - 33 replies
▫ Problem, please help !!!!!! ▫ 02-28-2006 01:01 AM - 7 replies
▫ Eico hf-30 reworking ▫ 02-28-2006 12:34 AM - 5 replies
▫ KT88 Bias Adjustment ▫ 02-28-2006 12:34 AM - 7 replies
▫ Interstage Distortion Measurements ▫ 02-28-2006 12:23 AM - 12 replies
▫ Survey: Aikido distortion ▫ 02-27-2006 11:40 PM - 43 replies
▫ Loftin-White Mod ▫ 02-27-2006 10:54 PM - 3 replies
▫ Music Angel EL34 ▫ 02-27-2006 08:27 PM - 0 replies
▫ How much filtering required for DC heaters? ▫ 02-27-2006 08:04 PM - 2 replies
▫ What is the best input/driver for 2A3 SE? ▫ 02-27-2006 02:04 PM - 51 replies
▫ tube kits.... ▫ 02-27-2006 11:26 AM - 0 replies
▫ !2ax7 heater wiring? Series / parallel? ▫ 02-27-2006 10:51 AM - 1 reply
▫ Shunt regulator ▫ 02-27-2006 07:50 AM - 12 replies
▫ Trying to choose a project... ▫ 02-27-2006 02:20 AM - 7 replies
▫ Old Projector amp conversion project ▫ 02-27-2006 01:01 AM - 1 reply
▫ Experiences with TJ Mesh Plate DHT's ▫ 02-27-2006 12:44 AM - 16 replies
▫ The lost Millman Seely chapters on audio amps ▫ 02-26-2006 07:25 PM - 0 replies
▫ Individual fixed bias and transf coupling ▫ 02-26-2006 06:40 PM - 3 replies
▫ Transmitter e-tour ▫ 02-26-2006 05:49 PM - 6 replies
▫ 7984 ▫ 02-26-2006 11:00 AM - 1 reply
▫ Screen driven EL36 / 6CM5 /PL36 /25E5 ▫ 02-26-2006 08:33 AM - 2 replies
▫ Clone Marantz 7C power supply ▫ 02-26-2006 12:10 AM - 6 replies
▫ On - board supply ? ▫ 02-25-2006 10:40 PM - 1 reply
▫ Name that EL34! ▫ 02-25-2006 09:59 PM - 4 replies
▫ How much plate voltage for 6N1P's? ▫ 02-25-2006 04:30 PM - 2 replies
▫ minimalist valve pre for follower ▫ 02-25-2006 04:08 PM - 10 replies
▫ Schematic opinion needed (guitar amp) ▫ 02-25-2006 02:43 PM - 8 replies
▫ Tube availability: what would you do? ▫ 02-25-2006 02:23 PM - 6 replies
▫ Silvertone 1472 Makeover ▫ 02-25-2006 05:44 AM - 2 replies
▫ Looking for EL32 schematic ▫ 02-25-2006 04:10 AM - 1 reply
▫ oil bath cooling for tubes? ▫ 02-25-2006 01:11 AM - 20 replies
▫ Aikido Crackle Hiss Noise Solved ▫ 02-24-2006 11:59 PM - 1 reply
▫ Mini-p1 tweaks ▫ 02-24-2006 09:52 PM - 4 replies
▫ Refried Power Supply? ▫ 02-24-2006 05:08 AM - 9 replies
▫ The Edcor meets the 6AV5 ▫ 02-24-2006 03:25 AM - 118 replies
▫ old console radio as guitar amp ▫ 02-24-2006 03:23 AM - 8 replies
▫ Anyone have curves for a 5HC7? ▫ 02-24-2006 12:26 AM - 0 replies
▫ Any common cathode (grounded grid) schematics? ▫ 02-23-2006 10:14 PM - 2 replies
▫ SIMPLE tube amplifier for...dummy guy... ▫ 02-23-2006 03:54 PM - 17 replies
▫ ground and earth ▫ 02-23-2006 02:33 PM - 17 replies
▫ Tube Cad Journal dead ▫ 02-23-2006 01:55 PM - 5 replies
▫ First amp ▫ 02-23-2006 11:27 AM - 8 replies
▫ 6922 direct coupled to 2A3 ▫ 02-23-2006 07:16 AM - 16 replies
▫ Ok guys, get your daggers out....... ▫ 02-22-2006 11:05 PM - 7 replies
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