| Tubes - Showing threads 3001 to 3200 of 11907 available |
▫ Russian 6P14P tubes ▫ 08-03-2007 06:19 PM - 9 replies
▫ Where to get tube spec sheets, pinouts ▫ 08-02-2007 11:42 PM - 9 replies
▫ PCL 82 Hybrid 2SC5200/2SA1943 ▫ 08-02-2007 04:30 PM - 1 reply
▫ CCS in Otput Tube Cathode - Does It Make Sense? ▫ 08-02-2007 01:28 PM - 45 replies
▫ My Guitar Tube Amp. Help needed with Mesa/Boogie pre ▫ 08-02-2007 10:59 AM - 27 replies
▫ My brew of the "Darling" ▫ 08-01-2007 11:50 PM - 45 replies
▫ Series connection of filaments ▫ 08-01-2007 07:58 PM - 24 replies
▫ noisy filament transformer ▫ 08-01-2007 07:01 PM - 14 replies
▫ Circuit diagram for Trilogy VTi. ▫ 08-01-2007 06:36 PM - 0 replies
▫ Got oddball tubes! ▫ 08-01-2007 04:01 PM - 12 replies
▫ Make a preamp with an already buil amplifier ▫ 08-01-2007 01:58 PM - 2 replies
▫ A photo for my question ▫ 08-01-2007 01:58 PM - 1 reply
▫ DN2540 ▫ 08-01-2007 01:36 PM - 1 reply
▫ mods for almarro amp ▫ 08-01-2007 12:30 PM - 0 replies
▫ Filament Transformer ▫ 08-01-2007 12:17 PM - 9 replies
▫ Circuit indentification ▫ 08-01-2007 05:47 AM - 9 replies
▫ Simplest Tube Regulated PSU? ▫ 08-01-2007 05:21 AM - 3 replies
▫ High Voltage Insulator for Umbilical ▫ 07-31-2007 09:28 PM - 17 replies
▫ wiring diagram, instruction on the transformer S-265-Q ▫ 07-31-2007 06:16 PM - 3 replies
▫ help me get started ▫ 07-31-2007 09:24 AM - 3 replies
▫ 12AU7 instead of 6C4 ▫ 07-31-2007 05:54 AM - 9 replies
▫ Fisher 600 questions ▫ 07-31-2007 01:51 AM - 25 replies
▫ Phase inverter ▫ 07-31-2007 01:22 AM - 37 replies
▫ srpp input stage ▫ 07-31-2007 12:52 AM - 11 replies
▫ Orientation of EL34 Tubes ▫ 07-31-2007 12:52 AM - 5 replies
▫ Advice on SE DHT for Lowther Fidelio DX2 ▫ 07-30-2007 09:23 PM - 5 replies
▫ Dynacord MV46 as a compressor ▫ 07-30-2007 09:23 PM - 0 replies
▫ Load termination ? ▫ 07-30-2007 09:23 PM - 4 replies
▫ Biggest dual triode output tube? ▫ 07-30-2007 08:44 PM - 3 replies
▫ OPT impedance question ▫ 07-30-2007 04:26 PM - 10 replies
▫ Partridge SE O/P transformers ▫ 07-30-2007 08:42 AM - 0 replies
▫ SimpleSE and me ▫ 07-29-2007 10:27 PM - 8 replies
▫ SRPP decoupling cap vs. output transformer ▫ 07-29-2007 10:26 PM - 4 replies
▫ Differences between 6SN7GTA and 6SN7GTB? ▫ 07-29-2007 10:21 PM - 9 replies
▫ Radford STA-15 questions ▫ 07-29-2007 07:57 PM - 17 replies
▫ Balanced Input Hookup ▫ 07-29-2007 07:46 AM - 4 replies
▫ Need Tube Testing Settings for 3 tubes ▫ 07-29-2007 12:37 AM - 0 replies
▫ Need helping in Grounded Grid preamp using 6H6P 6H30P ▫ 07-28-2007 05:52 PM - 1 reply
▫ Regulated Lab DC power supply ▫ 07-28-2007 01:18 AM - 6 replies
▫ Fixed Bias 6BQ5? ▫ 07-27-2007 09:41 PM - 3 replies
▫ Heathkit AG7 Audio Geneator ▫ 07-27-2007 07:55 AM - 8 replies
▫ Music Angel vs Mr Liang L1-L3? And best speakers for £3k budget? ▫ 07-26-2007 03:53 PM - 8 replies
▫ NEWBIE question SET vs. Solid State ▫ 07-26-2007 03:21 PM - 42 replies
▫ 6N6P cascode + 6AS7 Cathode follower ▫ 07-26-2007 10:01 AM - 12 replies
▫ Help me calculator OPT for 807, 6C4C tubes. ▫ 07-26-2007 06:50 AM - 10 replies
▫ Now I have caught the bug - next project ▫ 07-25-2007 11:55 PM - 7 replies
▫ 20W cathode follower amplifier ▫ 07-25-2007 07:41 PM - 116 replies
▫ Anywhere in Hong Kong... ▫ 07-25-2007 03:31 PM - 25 replies
▫ RIAA / Pre mod/upgrade ▫ 07-25-2007 02:12 PM - 9 replies
▫ IT WORKS! Tube Phono Stage ▫ 07-25-2007 05:33 AM - 33 replies
▫ 2033 info sought ▫ 07-25-2007 12:43 AM - 1 reply
▫ Pentode Zeus ▫ 07-24-2007 10:00 PM - 12 replies
▫ 5987 (sc968b) ▫ 07-24-2007 08:34 PM - 0 replies
▫ Low Voltage Plate Follower 6DJ8 Buffer Power Supply ▫ 07-24-2007 03:05 PM - 50 replies
▫ JAN Sylvania 7308 vs. JAN Sylvania 6922 ▫ 07-24-2007 04:29 AM - 7 replies
▫ recording amp ▫ 07-24-2007 03:53 AM - 0 replies
▫ A Tee-Vee T00b Amp ▫ 07-23-2007 04:05 PM - 43 replies
▫ metal tube lineup for a guitar amp ▫ 07-23-2007 01:37 PM - 9 replies
▫ Locating a bad resistor ▫ 07-23-2007 11:41 AM - 5 replies
▫ MiscEI ▫ 07-23-2007 09:31 AM - 3 replies
▫ ST70 iron recommendations please ▫ 07-23-2007 03:36 AM - 22 replies
▫ need help finding a link . . . ▫ 07-22-2007 03:17 PM - 5 replies
▫ Cathodyne Phase Inverter question ▫ 07-22-2007 02:57 AM - 3 replies
▫ Using a ignition coil for a audio transformer ▫ 07-21-2007 10:20 PM - 13 replies
▫ Multiple primary windings ▫ 07-21-2007 06:53 PM - 2 replies
▫ mcintosh mc3500 clone ▫ 07-21-2007 10:23 AM - 7 replies
▫ B+ Delay ▫ 07-21-2007 02:22 AM - 8 replies
▫ My attempt: 5 element Pentode Spice model ▫ 07-21-2007 02:22 AM - 6 replies
▫ Spelling, capitalization, and grammar. ▫ 07-20-2007 09:38 PM - 364 replies
▫ Power Supply ▫ 07-20-2007 06:06 PM - 1 reply
▫ Output Autotransformers ▫ 07-20-2007 04:31 PM - 8 replies
▫ Multi Section Cap....diy? ▫ 07-20-2007 08:32 AM - 4 replies
▫ Mullard: Tube Circuits for Audio Amplifiers" - Price? ▫ 07-20-2007 08:21 AM - 2 replies
▫ Tube rectifier to Solid state Diodes exchange ▫ 07-20-2007 05:20 AM - 2 replies
▫ Hickok 533A help ▫ 07-20-2007 05:14 AM - 4 replies
▫ Custom Cards For B&K 675 Tester ▫ 07-20-2007 12:12 AM - 2 replies
▫ Peavey Heritage VTX - Bias Question ▫ 07-19-2007 09:00 PM - 3 replies
▫ EMC Model 200 Tube Tester Any Info Pls ▫ 07-19-2007 09:00 PM - 22 replies
▫ Guitar amp PT design questions ▫ 07-19-2007 08:40 PM - 5 replies
▫ Bada PH-1 simple box mod ▫ 07-19-2007 07:43 PM - 2 replies
▫ Tubes Rectifier Help? ▫ 07-19-2007 08:43 AM - 3 replies
▫ How to make sense of LTSpice FFT analysis? ▫ 07-19-2007 04:48 AM - 11 replies
▫ Cascode with local feedback ▫ 07-18-2007 12:36 PM - 8 replies
▫ amps ▫ 07-18-2007 10:50 AM - 5 replies
▫ how to preserve copper plates? ▫ 07-18-2007 08:26 AM - 10 replies
▫ Stereo EL34 amplifier ▫ 07-17-2007 03:07 PM - 25 replies
▫ SA 3000 Counterpoint ▫ 07-17-2007 02:07 PM - 0 replies
▫ tube amp transformer identification ▫ 07-17-2007 02:07 PM - 2 replies
▫ Beginner needs advices for 807 PP project ▫ 07-17-2007 08:38 AM - 7 replies
▫ Heater Power Supply Pspice model ▫ 07-17-2007 07:27 AM - 0 replies
▫ FWCT Rectification ▫ 07-17-2007 04:13 AM - 7 replies
▫ dc or not dc ▫ 07-17-2007 04:00 AM - 3 replies
▫ OTL for dummies. ▫ 07-17-2007 02:28 AM - 24 replies
▫ TCJ Cathode-Coupled Amplifier ▫ 07-16-2007 10:05 PM - 3 replies
▫ 845 Low voltage SE AMP ▫ 07-16-2007 08:16 PM - 8 replies
▫ Vacuum Tube Computer Simulation Modeling ▫ 07-16-2007 07:54 PM - 11 replies
▫ Getting a vintage amp to work ▫ 07-16-2007 07:11 PM - 69 replies
▫ Switched DC/DCconverter for B+ ▫ 07-16-2007 02:45 PM - 18 replies
▫ What can I do with this? ▫ 07-16-2007 12:52 AM - 4 replies
▫ Super Pas Two ▫ 07-15-2007 10:10 PM - 0 replies
▫ pspice model of 811A ▫ 07-15-2007 06:47 AM - 0 replies
▫ Question on what is more important B+ or Plate Voltage ▫ 07-13-2007 05:48 PM - 60 replies
▫ Can I trust SPICE? ▫ 07-13-2007 04:36 PM - 6 replies
▫ Power supply filter mod ▫ 07-13-2007 03:33 PM - 3 replies
▫ Does antone interested xxx PCB groupbuy ? ▫ 07-13-2007 10:03 AM - 39 replies
▫ 1 signal ground or two? ▫ 07-13-2007 04:12 AM - 11 replies
▫ Peavey Heritage VTX - Schematics ▫ 07-13-2007 03:31 AM - 1 reply
▫ #47...... ▫ 07-13-2007 01:23 AM - 1 reply
▫ Hammond 1650F ▫ 07-12-2007 06:40 PM - 33 replies
▫ 100 watt KT88/6550 Designs ▫ 07-12-2007 11:11 AM - 17 replies
▫ What glue to use for tube glass bulb + base ▫ 07-12-2007 09:11 AM - 10 replies
▫ Tube filaments (heaters) power supply ▫ 07-12-2007 12:47 AM - 5 replies
▫ Quick Ecl86/6gw8 Amp ▫ 07-11-2007 11:00 PM - 2 replies
▫ Need help on eq. hook up for new tube system ▫ 07-11-2007 10:51 PM - 1 reply
▫ Alternatives to the Dynaco ST-70 ▫ 07-11-2007 10:06 PM - 22 replies
▫ I need some eq. hook up expert advice please! ▫ 07-11-2007 08:44 PM - 0 replies
▫ Please help identify which plug I need for this socket ▫ 07-11-2007 03:51 PM - 2 replies
▫ Svetlana KT88 winged C's failings ▫ 07-11-2007 08:09 AM - 1 reply
▫ PP amp using 6p15P ▫ 07-11-2007 05:16 AM - 1 reply
▫ Time for another round of "Criticise my Circuit"... err..I mean ▫ 07-11-2007 04:11 AM - 11 replies
▫ Adding a parallel feed on DRD ▫ 07-11-2007 03:44 AM - 1 reply
▫ How hot can resistor stands? ▫ 07-11-2007 03:22 AM - 9 replies
▫ Hybrid amplifier A2 class ▫ 07-11-2007 12:35 AM - 8 replies
▫ Diodes on power supply output for voltage drop? ▫ 07-11-2007 12:06 AM - 7 replies
▫ Converting from single ended parafeed to differential ▫ 07-10-2007 08:09 PM - 9 replies
▫ micro-amp SE with 2,5k OPT+ ▫ 07-10-2007 07:19 PM - 3 replies
▫ Unknown Tube Amp ▫ 07-10-2007 07:19 PM - 16 replies
▫ Aikido AC Heater Supply ▫ 07-10-2007 03:23 PM - 5 replies
▫ Help me find some odd looking rectifiers! ▫ 07-10-2007 02:54 PM - 19 replies
▫ So, you may have been wondering...(813 Content !) ▫ 07-10-2007 12:02 PM - 0 replies
▫ Just sharing my 26 experience last night... ▫ 07-10-2007 08:59 AM - 22 replies
▫ Simple 5842-45 SET Amp Design Idea ▫ 07-10-2007 07:17 AM - 33 replies
▫ Yamamoto teflon sockets ▫ 07-10-2007 06:11 AM - 17 replies
▫ new thread, 6BM8 PP build begins... ▫ 07-10-2007 05:24 AM - 8 replies
▫ KT88 Heater Current ▫ 07-10-2007 03:36 AM - 16 replies
▫ 150V plate output tubes ▫ 07-09-2007 07:58 PM - 10 replies
▫ Newbie need to help ▫ 07-09-2007 10:03 AM - 4 replies
▫ Help me please ▫ 07-09-2007 09:52 AM - 4 replies
▫ Elekit TU-870 help ▫ 07-09-2007 08:32 AM - 5 replies
▫ Looking for schematic of Audible Illusion Modulus 3A preamp ▫ 07-09-2007 06:09 AM - 0 replies
▫ Junker Box amp ▫ 07-09-2007 04:20 AM - 8 replies
▫ aikido hybrid with 5 A bias ▫ 07-09-2007 02:33 AM - 2 replies
▫ Shall we compile a list? ▫ 07-08-2007 07:04 PM - 23 replies
▫ drift in direct coupled tubes ▫ 07-08-2007 06:01 PM - 11 replies
▫ Hammond 2XX vs 3XX Power Tranny Questions ▫ 07-08-2007 04:26 PM - 14 replies
▫ Help with this transformer please... ▫ 07-08-2007 02:46 PM - 10 replies
▫ Capacitor upgrade in Paragon 12A ▫ 07-08-2007 02:27 PM - 4 replies
▫ Light bulbs as cathode resistors? ▫ 07-08-2007 02:25 AM - 19 replies
▫ Favorite Threads and Posts in "Tubes" Forum ▫ 07-07-2007 05:42 PM - 8 replies
▫ I need 12v DC- whats the best option? ▫ 07-07-2007 11:54 AM - 4 replies
▫ Beard P35 and Tubes Replacement ▫ 07-06-2007 08:09 PM - 3 replies
▫ Graphic 1/3 Octave Tube Equaliser ▫ 07-06-2007 06:47 AM - 5 replies
▫ GE "Dual Speaker" radio to Harmony H303 conversion : Help, please? ▫ 07-06-2007 03:21 AM - 16 replies
▫ Power Supply Design ▫ 07-05-2007 10:36 AM - 27 replies
▫ Gomes amp ▫ 07-05-2007 06:37 AM - 9 replies
▫ pignose g40v power transformer ▫ 07-05-2007 02:04 AM - 3 replies
▫ Grid battery biased SE output stages ▫ 07-04-2007 04:04 PM - 7 replies
▫ KT88 amp schematic/parts list ▫ 07-04-2007 03:55 AM - 12 replies
▫ Wire Wrap connections for point to point ▫ 07-04-2007 03:47 AM - 10 replies
▫ Aikido Tubes ▫ 07-04-2007 01:40 AM - 47 replies
▫ Recommended tubes for AI Modulus 3A, C-J MV55 and Moscode 300 ▫ 07-03-2007 08:07 PM - 0 replies
▫ Schematic Question ▫ 07-03-2007 07:41 PM - 2 replies
▫ EL34 as triode? ▫ 07-03-2007 06:09 PM - 6 replies
▫ Linestage Questions ▫ 07-03-2007 04:49 PM - 4 replies
▫ Help! Building Jax's HFTA ▫ 07-03-2007 02:25 PM - 0 replies
▫ Gobs of AC on ISCO 494 ▫ 07-03-2007 01:21 PM - 15 replies
▫ Change step up ratio of input transformer? ▫ 07-03-2007 09:59 AM - 0 replies
▫ LCR RIAA rebuild ▫ 07-03-2007 09:04 AM - 1 reply
▫ common mode choke question ▫ 07-03-2007 05:06 AM - 4 replies
▫ Choosing Choke ▫ 07-03-2007 04:23 AM - 6 replies
▫ Input impedance ▫ 07-03-2007 12:34 AM - 24 replies
▫ Hey Tubelab, Transformer Question ▫ 07-02-2007 11:12 PM - 13 replies
▫ Hybrid Rectifier Check Please ! ▫ 07-02-2007 03:49 PM - 12 replies
▫ 1st tube project, tubalizer? ▫ 07-02-2007 03:38 AM - 14 replies
▫ 1st Time project - Report 1 ▫ 07-01-2007 09:24 PM - 14 replies
▫ ED-8000 set amp ▫ 07-01-2007 05:42 PM - 0 replies
▫ Hitachi v-202 scope ▫ 07-01-2007 01:09 PM - 8 replies
▫ Cheap and nice looking SE OPT ▫ 07-01-2007 10:28 AM - 8 replies
▫ How much difference 0.22 vs 0.33 cap? ▫ 07-01-2007 09:29 AM - 1 reply
▫ Tubelab SimpleSE ▫ 07-01-2007 08:53 AM - 39 replies
▫ 813 final design? ▫ 07-01-2007 06:41 AM - 17 replies
▫ Counterpoint tube amps ▫ 07-01-2007 03:12 AM - 1 reply
▫ HPHV regulator, designed by Emile Sprenger ▫ 07-01-2007 03:12 AM - 3 replies
▫ SS or tube voltage amplifying stages in an amp with tube output? ▫ 07-01-2007 03:01 AM - 14 replies
▫ 24V Aikido --> 6GM8 with Buffer ▫ 07-01-2007 02:39 AM - 9 replies
▫ Motorboating in Dynaco ST-70 ▫ 06-30-2007 11:52 PM - 10 replies
▫ Does such a tube exist? ▫ 06-30-2007 06:55 PM - 9 replies
▫ Noisy PSU? ▫ 06-30-2007 05:42 PM - 16 replies
▫ Bell & Howell amp ▫ 06-30-2007 03:00 PM - 6 replies
▫ Valve Amp with soild state front end ▫ 06-30-2007 11:33 AM - 12 replies
▫ Controlling transient response ▫ 06-30-2007 08:13 AM - 29 replies
▫ Transcendar Budget SE Transformers ▫ 06-30-2007 01:00 AM - 15 replies
▫ Opinion on New Sensor 6SN7GTB? ▫ 06-29-2007 07:51 PM - 0 replies
▫ Determining optimal OT turns ratio ▫ 06-29-2007 06:27 PM - 13 replies
▫ Splitting up the Power Amp ▫ 06-29-2007 05:50 AM - 1 reply
▫ Sowter 5113 ▫ 06-28-2007 12:40 PM - 0 replies
▫ Cascoded 6N6P ▫ 06-28-2007 12:29 PM - 5 replies
▫ MachMat or Tentlabs Heater Supply for 300B ▫ 06-28-2007 09:59 AM - 6 replies
▫ Common mode filtering for heater supplies. ▫ 06-28-2007 06:49 AM - 2 replies
▫ Distortion. ▫ 06-27-2007 10:06 PM - 8 replies
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