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 8001 to 8200 of 12199 available ▫ 75% of rated max. current too high? ▫ 06-12-2005 12:47 PM - 4 replies ▫ ST shaped tube ▫ 06-12-2005 12:18 PM - 7 replies ▫ Tube Phono Pre of RJM ▫ 06-12-2005 11:23 AM - 5 replies ▫ how to determine P1 from P2 of a Push-pull transformer? ▫ 06-12-2005 10:25 AM - 10 replies ▫ fisher x100a ▫ 06-12-2005 07:23 AM - 16 replies ▫ Please review EL84M PP design before I order parts. ▫ 06-12-2005 04:44 AM - 2 replies ▫ Auction Gem Motorola? Go Figure! ▫ 06-12-2005 01:56 AM - 4 replies ▫ Darling amp plate voltage ▫ 06-11-2005 07:10 PM - 14 replies ▫ Sound quality of 6C4C is same with 2A3? ▫ 06-11-2005 01:33 PM - 10 replies ▫ 6,3VAC to 6,3VDC ▫ 06-11-2005 01:25 PM - 5 replies ▫ EL84 push pull idea ▫ 06-11-2005 10:45 AM - 20 replies ▫ Marantz preamp clone for newbie? ▫ 06-11-2005 08:33 AM - 8 replies ▫ Can I use Philips TB2.5 /400 in a SE ampl. ▫ 06-11-2005 08:12 AM - 4 replies ▫ Microwave + Computer = Tube? [help!] ▫ 06-11-2005 03:12 AM - 51 replies ▫ Oil Capacitor DC vs. AC Voltage Rating ▫ 06-10-2005 10:08 PM - 2 replies ▫ Plate Choke Miller Capacitance ▫ 06-10-2005 09:58 PM - 10 replies ▫ Anyone interested in building an EAR 834P? ▫ 06-10-2005 08:59 PM - 5 replies ▫ tube pre-amp ▫ 06-10-2005 06:42 PM - 5 replies ▫ Choke For Supply B+ Diy ▫ 06-10-2005 12:30 PM - 8 replies ▫ Audio Note DAC4 SRPP output stage problems! ▫ 06-10-2005 12:25 PM - 5 replies ▫ Regulated Dc Question ▫ 06-10-2005 11:43 AM - 3 replies ▫ what about tubes? ▫ 06-10-2005 07:39 AM - 20 replies ▫ Please help choose amp layout. ▫ 06-09-2005 08:31 PM - 7 replies ▫ SE 813 OPT..Am I On the right Track? ▫ 06-09-2005 06:16 PM - 4 replies ▫ say it's a hum problem ▫ 06-09-2005 02:55 PM - 19 replies ▫ Affordable KT88 ▫ 06-09-2005 02:00 PM - 17 replies ▫ With transformer or OTL ? ▫ 06-09-2005 10:13 AM - 5 replies ▫ 45 SE tube amp OPT ▫ 06-09-2005 06:10 AM - 7 replies ▫ 2 Bogen 7027 tube amp vintage amplifier mono block ▫ 06-09-2005 05:38 AM - 10 replies ▫ Newnewbie Ouput Tranny question ▫ 06-09-2005 05:14 AM - 1 reply ▫ Webcor Amplifier Speaker ▫ 06-09-2005 05:14 AM - 2 replies ▫ could 24A been power tube ▫ 06-09-2005 12:47 AM - 6 replies ▫ How's this for a first amp? ▫ 06-09-2005 12:23 AM - 7 replies ▫ U.K. transformer supplier ▫ 06-08-2005 11:06 PM - 1 reply ▫ stereo el34 + kt66? ▫ 06-08-2005 10:15 PM - 9 replies ▫ Very tempting Good invesment or not???????? ▫ 06-08-2005 09:23 PM - 3 replies ▫ A Heretical Unity gain line stage ▫ 06-08-2005 08:40 PM - 85 replies ▫ NFB net gain or loss ▫ 06-08-2005 10:18 AM - 18 replies ▫ Different brands:Is there any difference? ▫ 06-08-2005 10:08 AM - 8 replies ▫ McIntosh 225 Schematic ▫ 06-08-2005 09:18 AM - 3 replies ▫ LM317 for power amp regulation? ▫ 06-08-2005 03:12 AM - 32 replies ▫ KT88 or 6550? ▫ 06-07-2005 07:34 PM - 3 replies ▫ sijosae's multi-hybrid headphone amp ▫ 06-07-2005 06:58 PM - 2 replies ▫ How to choose 6c33b? ▫ 06-07-2005 06:15 PM - 18 replies ▫ Using rectifier tubes in parallell ▫ 06-07-2005 04:57 PM - 3 replies ▫ Small problem at power off ▫ 06-07-2005 02:31 PM - 8 replies ▫ Preamp rebuild - hum problem ▫ 06-07-2005 12:36 PM - 26 replies ▫ what should I do with this tranny??? ▫ 06-07-2005 09:01 AM - 6 replies ▫ Will this 2A3 PSE work? ▫ 06-06-2005 12:30 PM - 6 replies ▫ Ec86 ▫ 06-06-2005 11:34 AM - 6 replies ▫ Worth to buy - tubes? ▫ 06-05-2005 11:58 AM - 12 replies ▫ 10/10/ preamp ▫ 06-05-2005 07:50 AM - 14 replies ▫ what do you think of this preamp? ▫ 06-04-2005 11:33 PM - 21 replies ▫ Tube FM -- Armstrong's first bdcst commemorated ▫ 06-04-2005 02:47 PM - 3 replies ▫ rjm 6dj8 phono section ▫ 06-04-2005 11:09 AM - 19 replies ▫ mercury vapor rectifier tubes on e-bay ▫ 06-04-2005 05:57 AM - 10 replies ▫ Russian Tube Stuff -- WSJ ▫ 06-04-2005 01:48 AM - 3 replies ▫ Help Please!!!!!! ▫ 06-03-2005 09:40 PM - 4 replies ▫ 5902 amp schematics? ▫ 06-03-2005 05:14 PM - 3 replies ▫ Microphonics........... ▫ 06-03-2005 03:58 PM - 4 replies ▫ High voltage PSU ▫ 06-03-2005 10:04 AM - 7 replies ▫ 2A3 v 6550 ▫ 06-03-2005 04:13 AM - 96 replies ▫ Coupling cap question ▫ 06-02-2005 09:36 PM - 10 replies ▫ Wollcott cross coupled circuit ▫ 06-01-2005 07:03 PM - 72 replies ▫ TAD Tubes where are they from? ▫ 06-01-2005 04:08 PM - 15 replies ▫ ebay Junk or Treasures? ▫ 06-01-2005 03:47 PM - 2 replies ▫ interconnects ▫ 06-01-2005 03:00 PM - 8 replies ▫ In few words ▫ 06-01-2005 02:35 PM - 4 replies ▫ GlassFET Design Ideas ▫ 06-01-2005 12:20 PM - 48 replies ▫ ecc88 tube pover supply-rect. ▫ 06-01-2005 11:14 AM - 8 replies ▫ A tubeNoob enters => I bought a Dynavox VR-70E ▫ 06-01-2005 10:14 AM - 14 replies ▫ plugging guitar amp to phono reciever ▫ 06-01-2005 04:01 AM - 4 replies ▫ Heater Supply using LM3X7 current source ▫ 05-31-2005 02:47 PM - 10 replies ▫ Stepdown input trafo ▫ 05-31-2005 01:11 PM - 7 replies ▫ increasing the bias will cause the amp to..... ▫ 05-31-2005 12:49 PM - 2 replies ▫ Transformer faulty? ▫ 05-31-2005 09:36 AM - 5 replies ▫ More crappy Russian EL34s - Svetlana this time ▫ 05-31-2005 07:39 AM - 5 replies ▫ My Tragic story about Emission Labs tube ▫ 05-31-2005 07:02 AM - 2 replies ▫ Please help me solve the problem ▫ 05-31-2005 06:44 AM - 14 replies ▫ amp freq response with o-scope ▫ 05-30-2005 11:02 PM - 8 replies ▫ Can you SEE (construction) how a tube SOUNDS? ▫ 05-30-2005 03:10 PM - 5 replies ▫ CCS fed shunt regulators ▫ 05-30-2005 02:24 PM - 3 replies ▫ Recommended Modifications/Tweaks for Dynaco PAS-3 Series II Pre-Amp ▫ 05-30-2005 06:14 AM - 3 replies ▫ ebay toys ▫ 05-30-2005 01:31 AM - 16 replies ▫ Source for 6c45pi's??? ▫ 05-30-2005 12:16 AM - 4 replies ▫ phono preamp design for c3m postie valve ▫ 05-29-2005 11:57 AM - 1 reply ▫ McMartin MA-50 Troubleshooting ▫ 05-29-2005 02:33 AM - 14 replies ▫ looking for something different ▫ 05-28-2005 11:45 PM - 2 replies ▫ mc275 ▫ 05-28-2005 10:11 PM - 13 replies ▫ Sv572-3 Se ▫ 05-28-2005 02:57 PM - 2 replies ▫ Alps step attenuator ▫ 05-28-2005 02:05 PM - 5 replies ▫ seeking real kt90 pp schematics ▫ 05-28-2005 11:53 AM - 2 replies ▫ -50V negative supply ▫ 05-28-2005 11:07 AM - 17 replies ▫ Inductance coupling between chokes ▫ 05-28-2005 10:06 AM - 0 replies ▫ Mercury Magnetics ▫ 05-27-2005 09:31 PM - 3 replies ▫ warming up thetubes ▫ 05-27-2005 06:27 PM - 5 replies ▫ distorsion ▫ 05-27-2005 07:05 AM - 4 replies ▫ using a plate choke? ▫ 05-27-2005 05:10 AM - 15 replies ▫ Should I trash these tubes ▫ 05-27-2005 05:09 AM - 7 replies ▫ Minature Vaccum Tube Question ▫ 05-26-2005 08:25 PM - 12 replies ▫ 46 tube user ▫ 05-26-2005 05:06 PM - 8 replies ▫ Smells like a mistake ▫ 05-26-2005 02:16 PM - 15 replies ▫ Help for my hybird zero feedback AMP ▫ 05-26-2005 02:07 PM - 2 replies ▫ help on ul transformer please ▫ 05-26-2005 01:42 PM - 29 replies ▫ Wiring the D3a as triode - What is best? ▫ 05-26-2005 10:46 AM - 18 replies ▫ Switching from ultralinear to triode ▫ 05-26-2005 09:36 AM - 3 replies ▫ Help for a Output Transfo problem ▫ 05-26-2005 12:31 AM - 4 replies ▫ Pentode models ▫ 05-25-2005 11:10 PM - 6 replies ▫ Good or bad to use parallel capacitors of same value in signal path... ▫ 05-25-2005 08:11 AM - 1 reply ▫ Urgent: Need Help on Schematics (Tube Pre-Amplifier) ▫ 05-25-2005 07:24 AM - 1 reply ▫ ASL wave 8 mods ▫ 05-24-2005 11:08 PM - 2 replies ▫ lectron jh 60 help---------------- ▫ 05-24-2005 09:20 PM - 0 replies ▫ crown tube poweramp ▫ 05-24-2005 09:07 PM - 7 replies ▫ Alan kimmel mu stage article ▫ 05-24-2005 06:12 PM - 1 reply ▫ What would you do with this amp? ▫ 05-24-2005 04:38 PM - 8 replies ▫ tube software ▫ 05-24-2005 04:13 AM - 3 replies ▫ Simple Valve Preamplifier ▫ 05-24-2005 04:00 AM - 15 replies ▫ Current sourced heaters in a CF ▫ 05-23-2005 10:20 PM - 21 replies ▫ Tubes and music styles ▫ 05-23-2005 10:17 PM - 8 replies ▫ Cheap SE EL84 ▫ 05-23-2005 08:06 PM - 9 replies ▫ Making a living out of tubes? (A little off-topic) ▫ 05-23-2005 01:07 PM - 12 replies ▫ EL84 matched pairs ▫ 05-23-2005 07:26 AM - 12 replies ▫ Tango XE20S voltage rating? ▫ 05-23-2005 06:23 AM - 21 replies ▫ power transformer heat ▫ 05-23-2005 04:11 AM - 6 replies ▫ Tubes ▫ 05-23-2005 02:33 AM - 7 replies ▫ Taylor 845 ▫ 05-22-2005 09:19 PM - 1 reply ▫ AVO CT-160 Tube Tester - how to remove knobs?? - please help ▫ 05-22-2005 03:47 PM - 10 replies ▫ The DIYHifiSupply.com Joplin amplifier Kit ▫ 05-22-2005 10:58 AM - 7 replies ▫ Berning P-1 Preamp ▫ 05-22-2005 04:04 AM - 8 replies ▫ Which tube for OPT 7,5k SE low watts??? ▫ 05-21-2005 10:17 PM - 13 replies ▫ help me with this puzzle... ▫ 05-21-2005 07:39 PM - 3 replies ▫ Used Tube Amps, second life.. ▫ 05-21-2005 04:06 PM - 17 replies ▫ Univox 1501 Fried Resistors ▫ 05-20-2005 01:52 PM - 8 replies ▫ It makes me wonder ... ▫ 05-20-2005 10:01 AM - 17 replies ▫ Tubes operating in horizontal position ▫ 05-20-2005 08:02 AM - 10 replies ▫ Dewald radio N-803b keep or use parts? ▫ 05-20-2005 03:43 AM - 2 replies ▫ Ongaku ▫ 05-19-2005 09:58 PM - 15 replies ▫ PSU Design question ▫ 05-19-2005 09:28 PM - 21 replies ▫ Primary reactance of a parafeed OPT ▫ 05-19-2005 08:13 PM - 12 replies ▫ Info on IIT interstage trafos? ▫ 05-19-2005 06:55 PM - 6 replies ▫ vt25/10-Y or 45 tube ▫ 05-19-2005 05:19 PM - 5 replies ▫ 2a3, single plate-double plate? ▫ 05-19-2005 03:52 PM - 5 replies ▫ Preferred tube? KT88 vs. EL34 ▫ 05-19-2005 03:10 PM - 2 replies ▫ You may laugh..but don't waste your time trying to dissuade me. 300B preamp. ▫ 05-19-2005 09:59 AM - 56 replies ▫ Parallelling power supply chokes??? ▫ 05-18-2005 05:16 PM - 4 replies ▫ Sherwood S7000 ▫ 05-18-2005 02:21 PM - 2 replies ▫ please explain plate curves ▫ 05-18-2005 11:38 AM - 4 replies ▫ Triode connected SV6550C with 500V HT ▫ 05-18-2005 11:32 AM - 9 replies ▫ KT88 SE schematic wanted. ▫ 05-18-2005 11:13 AM - 9 replies ▫ 6SN7 based tube buffer ▫ 05-18-2005 06:46 AM - 17 replies ▫ hum measurement ▫ 05-17-2005 10:16 PM - 10 replies ▫ Load of tubes to liquidate ▫ 05-17-2005 07:20 PM - 8 replies ▫ Unhappy with the Lilliput design ▫ 05-17-2005 12:36 PM - 18 replies ▫ Halving OPT's pri.imp. by connecting 8ohm load to 16ohm tap - Good/Bad? ▫ 05-17-2005 10:56 AM - 16 replies ▫ Tube Technology Prophet ▫ 05-17-2005 10:36 AM - 0 replies ▫ Cathode Feedback from Secondary for PP Amp ▫ 05-17-2005 07:18 AM - 16 replies ▫ Zenith Amplifier ▫ 05-16-2005 11:37 PM - 4 replies ▫ Dynaco SCA-35 fixer-upper ▫ 05-16-2005 08:59 PM - 7 replies ▫ Multiple primary power transformer question ▫ 05-16-2005 08:42 PM - 7 replies ▫ Sizing a Regulator ▫ 05-16-2005 07:35 PM - 5 replies ▫ will laziness burn my amp down?! ▫ 05-16-2005 08:15 AM - 27 replies ▫ resistors of a lower power rating ▫ 05-15-2005 04:50 AM - 2 replies ▫ wavy vibrato-like sound when amp cranked ▫ 05-15-2005 04:44 AM - 4 replies ▫ Rh34se? ▫ 05-15-2005 02:13 AM - 2 replies ▫ Ef86, 6n1p & 845pp ▫ 05-14-2005 08:58 PM - 3 replies ▫ HYBRID POWER AMPLIFIER - please help! ▫ 05-14-2005 05:32 PM - 8 replies ▫ 6528 Se ▫ 05-14-2005 08:55 AM - 9 replies ▫ single ended HiFi Regal stereo tube amplifier ▫ 05-13-2005 03:29 PM - 20 replies ▫ Matisse Line Amp ▫ 05-13-2005 12:29 PM - 10 replies ▫ changing longtail ▫ 05-13-2005 11:18 AM - 12 replies ▫ What do you think?????? ▫ 05-13-2005 08:45 AM - 8 replies ▫ The amplifier itself whines ▫ 05-13-2005 07:39 AM - 14 replies ▫ DIY repair- replacing capacitors ▫ 05-13-2005 07:09 AM - 5 replies ▫ Benefits of 845B ▫ 05-13-2005 05:47 AM - 14 replies ▫ Counterpoint Preamp Modifications ▫ 05-13-2005 02:47 AM - 1 reply ▫ Humming Sovtek EF86 ▫ 05-12-2005 06:16 PM - 4 replies ▫ Output Transformers ▫ 05-12-2005 05:27 PM - 2 replies ▫ RIAA phono stage ▫ 05-12-2005 04:25 PM - 10 replies ▫ The cathode FeedBack in Push-Pull amp ▫ 05-12-2005 03:26 PM - 3 replies ▫ What's a Field Coil Amplifier? ▫ 05-12-2005 01:01 PM - 9 replies ▫ Need help for ampeg tube amp transformers ... ▫ 05-12-2005 01:33 AM - 3 replies ▫ HF filter inductors for signal path ▫ 05-11-2005 11:07 PM - 3 replies ▫ Different tube options for DCMB driver stage? ▫ 05-11-2005 10:29 AM - 6 replies ▫ Crowhurst paper on output xformer search ▫ 05-11-2005 08:37 AM - 14 replies ▫ Tamura inputs trans used as linestage out ▫ 05-11-2005 06:28 AM - 2 replies ▫ Seperate Amp for center channel ▫ 05-11-2005 04:38 AM - 1 reply ▫ Look for UL41 PP Structure!! ▫ 05-10-2005 07:35 PM - 2 replies ▫ Photoelectric valves? ▫ 05-10-2005 03:09 PM - 7 replies ▫ Bell Carrillon tube amp 6V6 ▫ 05-10-2005 07:31 AM - 2 replies ▫ Looking for Old Elector Tube Preamplifier article ▫ 05-10-2005 06:17 AM - 24 replies ▫ Yamamoto Sound Craft A-08 Amplifier ▫ 05-09-2005 01:14 PM - 0 replies ▫ Wanted Radford MA-15 ▫ 05-09-2005 12:07 PM - 6 replies ▫ Beyond SET and ParaFeed.... Complementary Current Triode ▫ 05-08-2005 10:04 PM - 65 replies ▫ Too much gain ▫ 05-08-2005 05:17 PM - 6 replies ▫ 2 To 3 Prong Conversion ▫ 05-08-2005 01:38 AM - 3 replies ▫ 6c33 Set ▫ 05-08-2005 12:29 AM - 0 replies ▫ Svetlana MVSZ ---> cheat?? ▫ 05-07-2005 09:16 PM - 17 replies ▫ separation of phono power supply for marantz m7 clone ▫ 05-07-2005 08:13 PM - 0 replies ▫ 300b Circuit Mod. ▫ 05-07-2005 05:34 PM - 11 replies ▫ james transformers ▫ 05-07-2005 05:29 AM - 6 replies

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