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 2201 to 2400 of 12199 available ▫ Dumb question about Twin Reverb speaker load ▫ 01-18-2008 04:23 AM - 2 replies ▫ Tone linestage idea ▫ 01-18-2008 03:54 AM - 5 replies ▫ SimpleSE amp: multiple taps with cathode feedback ▫ 01-18-2008 02:59 AM - 27 replies ▫ 7W enough for 90dB speakers? ▫ 01-18-2008 01:46 AM - 26 replies ▫ Meaning of "hard to drive" ▫ 01-17-2008 11:02 PM - 19 replies ▫ Plate load resistor question ▫ 01-17-2008 10:30 PM - 14 replies ▫ BWD 216a power supply circuit needed, please help ▫ 01-17-2008 09:21 PM - 1 reply ▫ 1st DIY project in a loooooong time ▫ 01-17-2008 05:38 PM - 6 replies ▫ Another AG9016 "addict" ▫ 01-17-2008 02:59 PM - 3 replies ▫ angela EL34 improvement and mods ▫ 01-17-2008 09:02 AM - 3 replies ▫ $120 battery powered tube amp on eBay?? ▫ 01-17-2008 07:38 AM - 34 replies ▫ Help with 6AQ5 schematics ▫ 01-17-2008 02:40 AM - 5 replies ▫ 5691 black base? ▫ 01-17-2008 02:23 AM - 3 replies ▫ DIY vacuum tubes! ▫ 01-17-2008 01:02 AM - 1 reply ▫ Replacing 5-pin DIN inputs on a Telefunken Radio? +weird speaker output? ▫ 01-16-2008 10:03 PM - 8 replies ▫ working out Z out for tube with IXYS IXP10M45S plate load ▫ 01-16-2008 09:26 PM - 9 replies ▫ Review of New S-5 K-16LS Kit ▫ 01-16-2008 09:11 PM - 82 replies ▫ Dumb question. ▫ 01-16-2008 08:53 PM - 2 replies ▫ Suggest KT88 Push-Pull schematics, please. ▫ 01-16-2008 08:34 PM - 8 replies ▫ AIKIDO: Main Thread??? ▫ 01-16-2008 06:50 PM - 3 replies ▫ 10Y/45 schematic wanted ▫ 01-16-2008 04:43 PM - 1 reply ▫ Dynaco ST-70 Kits Compaired FYI ▫ 01-16-2008 01:32 PM - 0 replies ▫ Mini amp using 12AU7's as power tubes? ▫ 01-16-2008 12:18 PM - 3 replies ▫ Quick question about star grounding ▫ 01-16-2008 04:29 AM - 8 replies ▫ 3K or 5K OPT in EL35 SimpleSE? ▫ 01-16-2008 04:26 AM - 2 replies ▫ Bogen L60 schematic ▫ 01-16-2008 02:41 AM - 2 replies ▫ k-12 ▫ 01-16-2008 01:31 AM - 13 replies ▫ Suggestion on tube for CCS ▫ 01-16-2008 12:16 AM - 14 replies ▫ Whats the model for this? ▫ 01-15-2008 08:20 PM - 0 replies ▫ ECL 82 schematic to suggest ▫ 01-15-2008 06:46 PM - 5 replies ▫ Stay tuned for the Pass F4 tube preamp ▫ 01-15-2008 05:49 PM - 2 replies ▫ Andrea Ciuffoli's KT88 PP ▫ 01-15-2008 05:28 PM - 21 replies ▫ Looking for comments on Welborne Labs PS10 reg. HT supply ▫ 01-15-2008 12:35 PM - 10 replies ▫ Thoughts and suggestions needed. ▫ 01-15-2008 12:15 PM - 15 replies ▫ PSU shunt capacitor selection ▫ 01-15-2008 11:04 AM - 1 reply ▫ Looking for comments in my first 300B project ▫ 01-15-2008 06:06 AM - 7 replies ▫ Transformer Coupling Questions ▫ 01-15-2008 03:23 AM - 6 replies ▫ ECL82 power supply question ▫ 01-15-2008 03:11 AM - 26 replies ▫ CGV-300B Amp Results...Fun. ▫ 01-15-2008 12:39 AM - 5 replies ▫ power transformer rating and tube current - SimpleSE ▫ 01-14-2008 11:51 PM - 17 replies ▫ Ping Drummerwill. ▫ 01-14-2008 04:21 PM - 0 replies ▫ Taking a Hammond 369BX filament winding to the limit? ▫ 01-14-2008 04:12 PM - 3 replies ▫ Using moter run caps in PSU. ▫ 01-14-2008 01:04 PM - 10 replies ▫ Need Help eliminating hum on a Aikido headphone amp ▫ 01-14-2008 10:56 AM - 5 replies ▫ Speaker connect: Speakon or banana ▫ 01-14-2008 08:15 AM - 12 replies ▫ 50k or 100k output impedance. ▫ 01-14-2008 06:07 AM - 5 replies ▫ Need help remembering the name of a hybrid amplifier design book ▫ 01-14-2008 12:51 AM - 0 replies ▫ Measuring Output Impedance of Power Supply ▫ 01-14-2008 12:27 AM - 18 replies ▫ knob with long end for alpha pots ▫ 01-13-2008 06:19 PM - 3 replies ▫ IT tutorial n selection ▫ 01-13-2008 11:45 AM - 2 replies ▫ Anybody help identify these tubes ▫ 01-13-2008 12:26 AM - 4 replies ▫ CT wire -quick question ▫ 01-12-2008 11:59 PM - 7 replies ▫ New Amplifier ▫ 01-12-2008 10:39 PM - 16 replies ▫ Master Volume for Active Tube Crossover? ▫ 01-12-2008 09:57 PM - 4 replies ▫ Tube lifetime ▫ 01-12-2008 06:34 PM - 4 replies ▫ Raleigh Audio Preamp - somebody heard ? ▫ 01-12-2008 10:47 AM - 4 replies ▫ Mikael Abdellah SE KT88 ideas and questions ▫ 01-12-2008 09:33 AM - 6 replies ▫ Masco MA-8 for guitar ▫ 01-12-2008 08:48 AM - 0 replies ▫ Bogen CHB-35 to conversion to B-12/B-15 ▫ 01-12-2008 08:48 AM - 0 replies ▫ Melos triode 200+ looking for spare parts ▫ 01-12-2008 06:00 AM - 16 replies ▫ Opinions on integrated amp project ▫ 01-12-2008 01:51 AM - 15 replies ▫ 6AL5 for clipping diodes? ▫ 01-12-2008 12:56 AM - 3 replies ▫ Confusion over Knight 600 tester numbers ▫ 01-12-2008 12:54 AM - 4 replies ▫ 12AU7A: I need fuzz, overdrive and distortion schematic ▫ 01-12-2008 12:34 AM - 1 reply ▫ 12AT7 vs 12AU7 (interchangeable?) ▫ 01-12-2008 12:19 AM - 5 replies ▫ Angela Electronics - Customer Service ▫ 01-11-2008 09:33 PM - 23 replies ▫ PAS visits the naughty side of town (red lit) ▫ 01-11-2008 06:05 PM - 16 replies ▫ Summing at the LTPI ▫ 01-11-2008 03:52 PM - 2 replies ▫ Test of ECC81 to 83 ▫ 01-11-2008 01:31 PM - 1 reply ▫ Polypropylene caps ▫ 01-11-2008 12:50 PM - 19 replies ▫ Was this already posted here? Handmade tubes video ▫ 01-11-2008 03:24 AM - 6 replies ▫ Twist dc filament wire? ▫ 01-11-2008 01:12 AM - 4 replies ▫ Power transformer: How Big? ▫ 01-11-2008 12:59 AM - 13 replies ▫ Heater supply options and to Vhk rating of 6X4 & 6203 ▫ 01-10-2008 11:59 PM - 10 replies ▫ Hickok TV-7A/U settings for 8417 tube? ▫ 01-10-2008 10:04 PM - 2 replies ▫ Hammond 125ESE and sections ▫ 01-10-2008 07:41 PM - 0 replies ▫ 6P15P hybrid amp schema? ▫ 01-10-2008 05:34 PM - 16 replies ▫ Switching voltage converter for HV supply ▫ 01-10-2008 02:56 PM - 7 replies ▫ VT4C output transformer ▫ 01-10-2008 02:40 PM - 6 replies ▫ Sound Multiplex Amp ▫ 01-10-2008 12:58 PM - 0 replies ▫ Suggestions needed for improving Rogers Cadet II PP power amplifier ▫ 01-10-2008 11:16 AM - 3 replies ▫ Adjustable Line out off of Extra Speaker Jack ▫ 01-10-2008 05:47 AM - 1 reply ▫ Transcendere Audio ▫ 01-10-2008 01:12 AM - 0 replies ▫ Wrong capacitors! ▫ 01-10-2008 12:32 AM - 1 reply ▫ 6LW6 operating points ▫ 01-09-2008 11:33 PM - 6 replies ▫ ?? xmer specs for Scott LC 21 or 130 Preamp for rewind... ▫ 01-09-2008 11:01 PM - 0 replies ▫ Loctal 6SN7? ▫ 01-09-2008 10:31 PM - 11 replies ▫ peavey heritage vtx how can i make it clean? ▫ 01-09-2008 09:06 PM - 4 replies ▫ Need some help with simulation ▫ 01-09-2008 07:54 PM - 4 replies ▫ output tranny for 6AK6 ▫ 01-09-2008 07:14 PM - 2 replies ▫ What tubes for 7K6PP X-former ▫ 01-09-2008 07:06 PM - 4 replies ▫ Ham radio op makes his own triodes ▫ 01-09-2008 03:18 PM - 0 replies ▫ Newbie looking for some advice on mods and tubes for Cayin TA-30 ▫ 01-09-2008 07:45 AM - 0 replies ▫ Power Transconductance Amp with Tubes, How? ▫ 01-09-2008 06:28 AM - 26 replies ▫ using the 6BX7 at low'ish current in Aikido ▫ 01-09-2008 05:07 AM - 4 replies ▫ What preamp should I build? ▫ 01-09-2008 02:53 AM - 144 replies ▫ Transformer hookup question. ▫ 01-09-2008 12:49 AM - 8 replies ▫ Home made vacuum tubes ▫ 01-08-2008 10:36 PM - 1 reply ▫ My New EL84 PP ▫ 01-08-2008 10:27 PM - 17 replies ▫ Hammond power transformer fillament rating ▫ 01-08-2008 08:39 PM - 4 replies ▫ Need help with a Russian Triode ▫ 01-08-2008 07:02 PM - 12 replies ▫ TRAFO NEEDED FOR EL84 pp ▫ 01-08-2008 06:34 PM - 18 replies ▫ Difference between 6JN6 (Berning output) and 6JB6 tubes? ▫ 01-08-2008 04:35 PM - 1 reply ▫ 2A3 SE Amp ▫ 01-08-2008 04:02 PM - 16 replies ▫ Soldering tubes directly to PCB? ▫ 01-08-2008 01:01 PM - 18 replies ▫ pa amp distortion at low volume ▫ 01-08-2008 03:09 AM - 2 replies ▫ Transformer input for guitar ▫ 01-08-2008 02:35 AM - 7 replies ▫ Potted transformers ▫ 01-07-2008 10:49 PM - 22 replies ▫ if this can works... ▫ 01-07-2008 10:38 PM - 4 replies ▫ Differential scope probes? ▫ 01-07-2008 05:42 PM - 10 replies ▫ Fisher X100B Iron ▫ 01-07-2008 04:29 PM - 3 replies ▫ Solid state power suppy for CAT SL-1 ▫ 01-07-2008 03:57 PM - 0 replies ▫ Help with wiring a Hammond Power Transformer ▫ 01-07-2008 10:52 AM - 3 replies ▫ User manual for GTA SE-40 Tube Amp ? ▫ 01-07-2008 06:58 AM - 2 replies ▫ tube caps that fit.. anyone? ▫ 01-07-2008 01:53 AM - 8 replies ▫ Heater wires through conduit ▫ 01-06-2008 07:46 PM - 5 replies ▫ AB2 guitar amp design questions ▫ 01-06-2008 06:49 PM - 12 replies ▫ Wanted - Svet Sk4A bases ▫ 01-06-2008 01:18 PM - 0 replies ▫ AC Characteristics of Glow Tubes? ▫ 01-06-2008 06:58 AM - 9 replies ▫ Bargain Used Transformers: Where? ▫ 01-06-2008 01:36 AM - 1 reply ▫ Top cap tube users: pics of your amps? ▫ 01-06-2008 12:21 AM - 30 replies ▫ Question ▫ 01-05-2008 02:38 PM - 3 replies ▫ „New“ Pentode – measuring resistance between grids G2 and G3 – any idea? ▫ 01-05-2008 02:22 PM - 5 replies ▫ Audio Transformers 101 ▫ 01-05-2008 07:52 AM - 2 replies ▫ Thinking about having a 211 SET amp built, anyone know of good schematics? ▫ 01-05-2008 04:54 AM - 0 replies ▫ 4-65A Triode curves? ▫ 01-05-2008 02:19 AM - 24 replies ▫ Is This A Good Reliable Tube Tester? ▫ 01-05-2008 01:34 AM - 11 replies ▫ Tube projects ▫ 01-05-2008 12:47 AM - 2 replies ▫ Push-Pull Cathode Bias Resistors ▫ 01-04-2008 10:02 PM - 5 replies ▫ Opinion on 300B SETs ▫ 01-04-2008 08:00 PM - 1 reply ▫ Output transformer for a 6EM7 headphone amp ▫ 01-04-2008 04:21 PM - 6 replies ▫ So how tattered is your Morgan Jones? ▫ 01-04-2008 03:35 PM - 8 replies ▫ Friend wants to buy a nice tube preamp ▫ 01-04-2008 12:17 PM - 8 replies ▫ Large Oil Capacitors ▫ 01-04-2008 11:31 AM - 23 replies ▫ Too awesome for words ▫ 01-04-2008 10:12 AM - 28 replies ▫ M65 stereo preamp question ▫ 01-04-2008 08:58 AM - 4 replies ▫ nasty buzz in old 35EH5 amp ▫ 01-04-2008 01:44 AM - 12 replies ▫ 6C33C tube stamp ▫ 01-04-2008 01:01 AM - 4 replies ▫ Question about VTV 6SN7 Schematic ▫ 01-03-2008 05:48 PM - 6 replies ▫ Simple Magic Eye Circuit Wanted ▫ 01-03-2008 05:20 PM - 7 replies ▫ Mute circuit on sonic frontier line one ▫ 01-03-2008 01:20 PM - 1 reply ▫ Data point software? ▫ 01-03-2008 01:01 AM - 6 replies ▫ MingDa MC-3R / icon audio la3 preamp mods ▫ 01-02-2008 11:52 PM - 2 replies ▫ Biasing ▫ 01-02-2008 06:39 PM - 4 replies ▫ Compactron characteristic curves? ▫ 01-02-2008 06:15 PM - 16 replies ▫ Analog Metric grounded grid preamp kit ▫ 01-02-2008 01:33 PM - 6 replies ▫ Possible group buy of Lundahl input/phase splitter transformers. ▫ 01-02-2008 01:30 PM - 51 replies ▫ Audio Measurements ▫ 01-02-2008 12:41 PM - 13 replies ▫ B/A 20-4 tube mono block?? ▫ 01-02-2008 07:36 AM - 0 replies ▫ Strange find.. help ID? ▫ 01-02-2008 05:22 AM - 10 replies ▫ 813 Thoughts ▫ 01-02-2008 02:37 AM - 40 replies ▫ External 12V heater supply conversion question ▫ 01-02-2008 02:30 AM - 20 replies ▫ My Latest Acquisition ▫ 01-01-2008 05:08 PM - 22 replies ▫ 50/60/whatever cycle hum ▫ 01-01-2008 12:27 PM - 11 replies ▫ OEP input transformers. Anyone used ?? ▫ 01-01-2008 11:27 AM - 4 replies ▫ Restack transformer from PP to SE ▫ 12-31-2007 08:30 PM - 17 replies ▫ Se 807?? ▫ 12-31-2007 05:43 PM - 1 reply ▫ Min 9-pin or 7-pin sockets to fit octal-sized holes? ▫ 12-31-2007 09:01 AM - 8 replies ▫ Question about phono preamp schematic ▫ 12-31-2007 01:41 AM - 11 replies ▫ Lectron JH50 unknown parts? ▫ 12-30-2007 06:17 PM - 1 reply ▫ Fostex or Car Speakers for My Tube Car Amp ▫ 12-30-2007 04:28 PM - 1 reply ▫ schematics? (also some questions) ▫ 12-30-2007 03:35 AM - 0 replies ▫ Regulated Power Supply. Bipolar, JFET or MOS? ▫ 12-30-2007 01:34 AM - 4 replies ▫ UL to triode mode conversion on cathode bias amp-different cathode resistors needed? ▫ 12-29-2007 08:08 PM - 6 replies ▫ Blown up resistor in S-5 amp kit... ▫ 12-29-2007 05:55 PM - 24 replies ▫ EZ80 or 81 ▫ 12-29-2007 03:23 PM - 8 replies ▫ Gun or Iron? ▫ 12-29-2007 01:30 AM - 13 replies ▫ Shanling SP-80C Problem - DC Spikes?! ▫ 12-29-2007 12:07 AM - 7 replies ▫ Silvertone Organ amp, weird osc section. ▫ 12-28-2007 10:02 PM - 11 replies ▫ Need some advice on a LTP input stage. ▫ 12-28-2007 07:14 PM - 56 replies ▫ CAT 110V to 220 V conversion ▫ 12-28-2007 06:39 PM - 3 replies ▫ When is a compactron not a compactron? ▫ 12-28-2007 06:45 AM - 4 replies ▫ Looking for big Ni lams ▫ 12-28-2007 01:35 AM - 24 replies ▫ Three PP KT88 designs. Which one ... (please;-) ▫ 12-28-2007 12:32 AM - 28 replies ▫ EAR 834P needing repair ▫ 12-27-2007 10:23 PM - 12 replies ▫ How to make non-polarized electrolytic cap? ▫ 12-27-2007 09:20 PM - 6 replies ▫ Toasted PW tranformer? ▫ 12-27-2007 07:37 PM - 16 replies ▫ Tube Cad from Glass-Ware questions ▫ 12-27-2007 05:56 PM - 2 replies ▫ U-links for earthing ▫ 12-27-2007 05:43 PM - 0 replies ▫ Supreme 45 tube amp ▫ 12-27-2007 03:10 PM - 7 replies ▫ Boxing Day Special ▫ 12-27-2007 06:03 AM - 22 replies ▫ Look what Santa brought! ▫ 12-27-2007 03:13 AM - 30 replies ▫ Soft Start for Tubes ▫ 12-27-2007 02:55 AM - 4 replies ▫ Need help to check out this preamp schematic. ▫ 12-27-2007 12:23 AM - 7 replies ▫ What dimensions for perforated AL sheet? ▫ 12-26-2007 11:49 PM - 2 replies ▫ NC pins on submin tubes ▫ 12-26-2007 11:23 PM - 3 replies ▫ Cheap alternative to EF86 ▫ 12-26-2007 10:23 PM - 29 replies ▫ MOSFET follower driver oscillation ▫ 12-26-2007 08:48 PM - 19 replies ▫ Fender "Twin Reverb Amp" has no output. ▫ 12-26-2007 05:49 PM - 5 replies ▫ Hi-Fi system build ▫ 12-26-2007 04:27 PM - 13 replies ▫ Car Tube Amp ▫ 12-26-2007 03:43 PM - 17 replies ▫ Tube Identification ▫ 12-26-2007 12:04 PM - 7 replies ▫ Supratek schematics? ▫ 12-26-2007 10:55 AM - 0 replies ▫ Choice of OTL output capacitors ▫ 12-25-2007 06:02 PM - 2 replies ▫ Feedback scheme. ▫ 12-25-2007 12:30 PM - 9 replies ▫ Christmas Eve ▫ 12-24-2007 08:30 PM - 33 replies ▫ Best tubes for Scott 222 ▫ 12-24-2007 07:55 AM - 0 replies ▫ HH Scott 222 speaker recommendations and upgrades ▫ 12-24-2007 07:55 AM - 3 replies ▫ mixing coupling cap types ▫ 12-24-2007 02:51 AM - 1 reply ▫ Transformer chassis layout ▫ 12-24-2007 02:06 AM - 5 replies

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