| Tubes - Showing threads 3401 to 3600 of 12199 available |
▫ Hammond 1650F ▫ 07-12-2007 07:40 PM - 33 replies
▫ 100 watt KT88/6550 Designs ▫ 07-12-2007 12:11 PM - 17 replies
▫ What glue to use for tube glass bulb + base ▫ 07-12-2007 10:11 AM - 10 replies
▫ Tube filaments (heaters) power supply ▫ 07-12-2007 01:47 AM - 5 replies
▫ Quick Ecl86/6gw8 Amp ▫ 07-12-2007 12:00 AM - 2 replies
▫ Need help on eq. hook up for new tube system ▫ 07-11-2007 11:51 PM - 1 reply
▫ Alternatives to the Dynaco ST-70 ▫ 07-11-2007 11:06 PM - 22 replies
▫ I need some eq. hook up expert advice please! ▫ 07-11-2007 09:44 PM - 0 replies
▫ Please help identify which plug I need for this socket ▫ 07-11-2007 04:51 PM - 2 replies
▫ Svetlana KT88 winged C's failings ▫ 07-11-2007 09:09 AM - 1 reply
▫ PP amp using 6p15P ▫ 07-11-2007 06:16 AM - 1 reply
▫ Time for another round of "Criticise my Circuit"... err..I mean ▫ 07-11-2007 05:11 AM - 11 replies
▫ Adding a parallel feed on DRD ▫ 07-11-2007 04:44 AM - 1 reply
▫ How hot can resistor stands? ▫ 07-11-2007 04:22 AM - 9 replies
▫ Hybrid amplifier A2 class ▫ 07-11-2007 01:35 AM - 8 replies
▫ Diodes on power supply output for voltage drop? ▫ 07-11-2007 01:06 AM - 7 replies
▫ Converting from single ended parafeed to differential ▫ 07-10-2007 09:09 PM - 9 replies
▫ micro-amp SE with 2,5k OPT+ ▫ 07-10-2007 08:19 PM - 3 replies
▫ Unknown Tube Amp ▫ 07-10-2007 08:19 PM - 16 replies
▫ Aikido AC Heater Supply ▫ 07-10-2007 04:23 PM - 5 replies
▫ Help me find some odd looking rectifiers! ▫ 07-10-2007 03:54 PM - 19 replies
▫ So, you may have been wondering...(813 Content !) ▫ 07-10-2007 01:02 PM - 0 replies
▫ Just sharing my 26 experience last night... ▫ 07-10-2007 09:59 AM - 22 replies
▫ Simple 5842-45 SET Amp Design Idea ▫ 07-10-2007 08:17 AM - 33 replies
▫ Yamamoto teflon sockets ▫ 07-10-2007 07:11 AM - 17 replies
▫ new thread, 6BM8 PP build begins... ▫ 07-10-2007 06:24 AM - 8 replies
▫ KT88 Heater Current ▫ 07-10-2007 04:36 AM - 16 replies
▫ 150V plate output tubes ▫ 07-09-2007 08:58 PM - 10 replies
▫ Newbie need to help ▫ 07-09-2007 11:03 AM - 4 replies
▫ Help me please ▫ 07-09-2007 10:52 AM - 4 replies
▫ Elekit TU-870 help ▫ 07-09-2007 09:32 AM - 5 replies
▫ Looking for schematic of Audible Illusion Modulus 3A preamp ▫ 07-09-2007 07:09 AM - 0 replies
▫ Junker Box amp ▫ 07-09-2007 05:20 AM - 8 replies
▫ aikido hybrid with 5 A bias ▫ 07-09-2007 03:33 AM - 2 replies
▫ Shall we compile a list? ▫ 07-08-2007 08:04 PM - 23 replies
▫ drift in direct coupled tubes ▫ 07-08-2007 07:01 PM - 11 replies
▫ Hammond 2XX vs 3XX Power Tranny Questions ▫ 07-08-2007 05:26 PM - 14 replies
▫ Help with this transformer please... ▫ 07-08-2007 03:46 PM - 10 replies
▫ Capacitor upgrade in Paragon 12A ▫ 07-08-2007 03:27 PM - 4 replies
▫ Light bulbs as cathode resistors? ▫ 07-08-2007 03:25 AM - 19 replies
▫ Favorite Threads and Posts in "Tubes" Forum ▫ 07-07-2007 06:42 PM - 8 replies
▫ I need 12v DC- whats the best option? ▫ 07-07-2007 12:54 PM - 4 replies
▫ Beard P35 and Tubes Replacement ▫ 07-06-2007 09:09 PM - 3 replies
▫ Graphic 1/3 Octave Tube Equaliser ▫ 07-06-2007 07:47 AM - 5 replies
▫ GE "Dual Speaker" radio to Harmony H303 conversion : Help, please? ▫ 07-06-2007 04:21 AM - 16 replies
▫ Power Supply Design ▫ 07-05-2007 11:36 AM - 27 replies
▫ Gomes amp ▫ 07-05-2007 07:37 AM - 9 replies
▫ pignose g40v power transformer ▫ 07-05-2007 03:04 AM - 3 replies
▫ Grid battery biased SE output stages ▫ 07-04-2007 05:04 PM - 7 replies
▫ KT88 amp schematic/parts list ▫ 07-04-2007 04:55 AM - 12 replies
▫ Wire Wrap connections for point to point ▫ 07-04-2007 04:47 AM - 10 replies
▫ Aikido Tubes ▫ 07-04-2007 02:40 AM - 47 replies
▫ Recommended tubes for AI Modulus 3A, C-J MV55 and Moscode 300 ▫ 07-03-2007 09:07 PM - 0 replies
▫ Schematic Question ▫ 07-03-2007 08:41 PM - 2 replies
▫ EL34 as triode? ▫ 07-03-2007 07:09 PM - 6 replies
▫ Linestage Questions ▫ 07-03-2007 05:49 PM - 4 replies
▫ Help! Building Jax's HFTA ▫ 07-03-2007 03:25 PM - 0 replies
▫ Gobs of AC on ISCO 494 ▫ 07-03-2007 02:21 PM - 15 replies
▫ Change step up ratio of input transformer? ▫ 07-03-2007 10:59 AM - 0 replies
▫ LCR RIAA rebuild ▫ 07-03-2007 10:04 AM - 1 reply
▫ common mode choke question ▫ 07-03-2007 06:06 AM - 4 replies
▫ Choosing Choke ▫ 07-03-2007 05:23 AM - 6 replies
▫ Input impedance ▫ 07-03-2007 01:34 AM - 24 replies
▫ Hey Tubelab, Transformer Question ▫ 07-03-2007 12:12 AM - 13 replies
▫ Hybrid Rectifier Check Please ! ▫ 07-02-2007 04:49 PM - 12 replies
▫ 1st tube project, tubalizer? ▫ 07-02-2007 04:38 AM - 14 replies
▫ 1st Time project - Report 1 ▫ 07-01-2007 10:24 PM - 14 replies
▫ ED-8000 set amp ▫ 07-01-2007 06:42 PM - 0 replies
▫ Hitachi v-202 scope ▫ 07-01-2007 02:09 PM - 8 replies
▫ Cheap and nice looking SE OPT ▫ 07-01-2007 11:28 AM - 8 replies
▫ How much difference 0.22 vs 0.33 cap? ▫ 07-01-2007 10:29 AM - 1 reply
▫ Tubelab SimpleSE ▫ 07-01-2007 09:53 AM - 39 replies
▫ 813 final design? ▫ 07-01-2007 07:41 AM - 17 replies
▫ Counterpoint tube amps ▫ 07-01-2007 04:12 AM - 1 reply
▫ HPHV regulator, designed by Emile Sprenger ▫ 07-01-2007 04:12 AM - 3 replies
▫ SS or tube voltage amplifying stages in an amp with tube output? ▫ 07-01-2007 04:01 AM - 14 replies
▫ 24V Aikido --> 6GM8 with Buffer ▫ 07-01-2007 03:39 AM - 9 replies
▫ Motorboating in Dynaco ST-70 ▫ 07-01-2007 12:52 AM - 10 replies
▫ Does such a tube exist? ▫ 06-30-2007 07:55 PM - 9 replies
▫ Noisy PSU? ▫ 06-30-2007 06:42 PM - 16 replies
▫ Bell & Howell amp ▫ 06-30-2007 04:00 PM - 6 replies
▫ Valve Amp with soild state front end ▫ 06-30-2007 12:33 PM - 12 replies
▫ Controlling transient response ▫ 06-30-2007 09:13 AM - 29 replies
▫ Transcendar Budget SE Transformers ▫ 06-30-2007 02:00 AM - 15 replies
▫ Opinion on New Sensor 6SN7GTB? ▫ 06-29-2007 08:51 PM - 0 replies
▫ Determining optimal OT turns ratio ▫ 06-29-2007 07:27 PM - 13 replies
▫ Splitting up the Power Amp ▫ 06-29-2007 06:50 AM - 1 reply
▫ Sowter 5113 ▫ 06-28-2007 01:40 PM - 0 replies
▫ Cascoded 6N6P ▫ 06-28-2007 01:29 PM - 5 replies
▫ MachMat or Tentlabs Heater Supply for 300B ▫ 06-28-2007 10:59 AM - 6 replies
▫ Common mode filtering for heater supplies. ▫ 06-28-2007 07:49 AM - 2 replies
▫ Distortion. ▫ 06-27-2007 11:06 PM - 8 replies
▫ 83 rectifier peak repetitive current? ▫ 06-27-2007 09:41 PM - 1 reply
▫ 813 Project has begun ! ▫ 06-27-2007 06:12 PM - 2 replies
▫ C3G PX25 DRD - Will it work ▫ 06-27-2007 05:55 PM - 5 replies
▫ 6J5 (Metal Tubes) ....something goes around inside ▫ 06-27-2007 05:52 AM - 2 replies
▫ common-mode chokes ▫ 06-27-2007 04:50 AM - 6 replies
▫ EL-34 and 100k pot ▫ 06-27-2007 12:35 AM - 1 reply
▫ Scott 299 (late) OPT's ▫ 06-26-2007 10:59 PM - 9 replies
▫ Tube magazines ▫ 06-26-2007 05:12 PM - 11 replies
▫ PP plate-choke? ▫ 06-26-2007 01:06 PM - 4 replies
▫ More Phase Splitting Questions ▫ 06-26-2007 12:27 AM - 17 replies
▫ Concertina sanity check ▫ 06-26-2007 12:14 AM - 12 replies
▫ Transformer Specs ▫ 06-25-2007 06:43 PM - 1 reply
▫ The Aikido or Moskido?? ▫ 06-25-2007 04:12 PM - 28 replies
▫ KT88 PP suggestion ▫ 06-25-2007 12:41 PM - 13 replies
▫ Ultrapath line amp ▫ 06-25-2007 02:00 AM - 10 replies
▫ Gross loudspeaker cone movement when using tube amps. ▫ 06-24-2007 11:01 PM - 41 replies
▫ Pre-amp power iron advice?? ▫ 06-24-2007 02:36 PM - 25 replies
▫ Class A 8417 Amp ▫ 06-24-2007 02:12 PM - 20 replies
▫ DHT output tubes and DC heating ▫ 06-24-2007 11:40 AM - 4 replies
▫ rock music and SE? ▫ 06-24-2007 11:31 AM - 16 replies
▫ Disadvantages of using Zobel and Series notch filter ? ▫ 06-23-2007 09:48 PM - 3 replies
▫ old days source ▫ 06-23-2007 04:44 PM - 3 replies
▫ Mu-follower vs common cathode w/- active load ▫ 06-23-2007 11:45 AM - 7 replies
▫ K40 or K42 Russian PIO: what would you use/recommend? ▫ 06-23-2007 10:28 AM - 2 replies
▫ CCS turning off prematurely? ▫ 06-23-2007 03:50 AM - 2 replies
▫ ESL amp again! ▫ 06-22-2007 06:35 PM - 4 replies
▫ calling Moray James, and others ..wav8 or 6BM8 schemtics--PP. ▫ 06-22-2007 05:41 AM - 15 replies
▫ Does anyone know the output transformer specs of the... ▫ 06-22-2007 05:27 AM - 12 replies
▫ SE EL84 project for my friend ▫ 06-22-2007 02:28 AM - 17 replies
▫ SE amplifier - How much power? ▫ 06-22-2007 02:22 AM - 4 replies
▫ what speakers do you use? ▫ 06-22-2007 01:01 AM - 32 replies
▫ A Tube amp for a Hostille Tube Enviornment ▫ 06-21-2007 06:49 PM - 22 replies
▫ practical choice for an amp ▫ 06-21-2007 10:44 AM - 2 replies
▫ Simple cathode CCS ▫ 06-20-2007 07:51 PM - 17 replies
▫ 2A3s in push pull; class A ▫ 06-20-2007 05:52 PM - 32 replies
▫ 5 VDC heater question ▫ 06-20-2007 04:33 PM - 4 replies
▫ Power transformer snerring. ▫ 06-20-2007 04:25 PM - 23 replies
▫ Subminiature Tube & Tripath Hybrid Integrated ▫ 06-20-2007 08:26 AM - 1 reply
▫ 211 ▫ 06-20-2007 07:30 AM - 9 replies
▫ Which of these output tubes? ▫ 06-20-2007 03:33 AM - 1 reply
▫ High Voltage Heater info ▫ 06-20-2007 03:01 AM - 2 replies
▫ 6SL7 in place of a 12AX7? ▫ 06-20-2007 02:39 AM - 5 replies
▫ DHT Tubes ▫ 06-20-2007 01:27 AM - 7 replies
▫ Driving 6AQ5's ▫ 06-19-2007 08:14 PM - 10 replies
▫ schematic wanted ▫ 06-19-2007 05:50 PM - 3 replies
▫ 807s replacing 6L6GCs ▫ 06-19-2007 03:45 PM - 17 replies
▫ Shielded vs twisted pair in internal wiring ▫ 06-19-2007 02:48 PM - 4 replies
▫ tube basics: computing mu and transconductance ▫ 06-19-2007 02:25 PM - 8 replies
▫ Aluminium vs steel chassis ▫ 06-19-2007 01:30 PM - 85 replies
▫ Etf06 & 07 ▫ 06-19-2007 11:49 AM - 0 replies
▫ FU 13 tubes ▫ 06-19-2007 08:09 AM - 13 replies
▫ Good Souinding Direct Replacement For 325 / OP 37 ▫ 06-19-2007 07:48 AM - 1 reply
▫ how to wire 6.3VDC heater on a heater with center tap (12.6V series, 6.3V parallel)? ▫ 06-19-2007 07:02 AM - 7 replies
▫ The Russian 5U4M is a 5AR4 equivalent ? ▫ 06-19-2007 05:15 AM - 2 replies
▫ WE427A Cold Cathode Diode ▫ 06-19-2007 04:39 AM - 2 replies
▫ reversing polarity in regulated B+ and other question ▫ 06-18-2007 11:34 PM - 6 replies
▫ Anthem Integrated 1 ▫ 06-18-2007 11:13 PM - 9 replies
▫ Hickok 800 settings ▫ 06-18-2007 07:06 PM - 2 replies
▫ Advice/Help - Cap upgrade ▫ 06-18-2007 03:54 PM - 6 replies
▫ Anyone tweaked a California Audio Labs Alpha DAC? ▫ 06-18-2007 03:23 PM - 5 replies
▫ question on old tube sockets ▫ 06-18-2007 06:51 AM - 3 replies
▫ fisher sa-16 very red tube and? ▫ 06-18-2007 06:41 AM - 2 replies
▫ pros/cons of a 845 VS 211 ▫ 06-18-2007 06:31 AM - 2 replies
▫ Preamp Power and Voltage Output ▫ 06-18-2007 02:44 AM - 2 replies
▫ Anyone seen these 6L6GCs before? ▫ 06-17-2007 11:29 PM - 10 replies
▫ online transformer info for newbies ▫ 06-17-2007 06:35 PM - 20 replies
▫ High voltage pseudo-triode ▫ 06-17-2007 06:28 PM - 29 replies
▫ Yes, again: mains-powered KILLER amp without a power transformer. ▫ 06-17-2007 12:44 PM - 2 replies
▫ Quicksilver 300b monoblock (KT88 conversion) ▫ 06-17-2007 12:05 PM - 4 replies
▫ Output transformer (SE) - DIY ▫ 06-17-2007 10:32 AM - 3 replies
▫ is Gary Pimm still around? ▫ 06-17-2007 06:52 AM - 9 replies
▫ carbon composition - 2 types ▫ 06-17-2007 04:24 AM - 18 replies
▫ Input attenuation on Leak amp ▫ 06-17-2007 12:54 AM - 15 replies
▫ 101D Sockets ▫ 06-16-2007 09:29 PM - 2 replies
▫ PC86, '88 RF Amplifiers ▫ 06-16-2007 08:15 PM - 0 replies
▫ Jolida SJ-302A tube swap ▫ 06-16-2007 01:12 PM - 0 replies
▫ Inductance for tweeter OPT ▫ 06-16-2007 12:19 PM - 9 replies
▫ Help me.......What is the 6SN7 ??????? ▫ 06-16-2007 09:24 AM - 10 replies
▫ high DCR secondary (power transformer) ▫ 06-16-2007 08:00 AM - 2 replies
▫ 6SL7 Tube rolling - my experience ▫ 06-16-2007 06:10 AM - 0 replies
▫ Transformer power formula Help??? ▫ 06-15-2007 11:41 PM - 6 replies
▫ 2A3 OTL 800 Ohm Speaker ▫ 06-15-2007 02:48 PM - 7 replies
▫ Trying to find specs on transformer core material ▫ 06-15-2007 01:54 PM - 7 replies
▫ 12AX7 suggestions? ▫ 06-15-2007 02:17 AM - 3 replies
▫ power supply (cap input) ▫ 06-15-2007 02:15 AM - 2 replies
▫ is it safe to connect these secondaries in series? ▫ 06-15-2007 01:57 AM - 3 replies
▫ Peter Millett's Uniamp with KT88 ▫ 06-14-2007 11:55 PM - 23 replies
▫ Mystery transformer ▫ 06-14-2007 10:00 PM - 2 replies
▫ Can I phase split like this? ▫ 06-14-2007 08:43 PM - 14 replies
▫ How to model psud2 using tube regulator? ▫ 06-14-2007 08:02 PM - 7 replies
▫ Choke-loaded 6C33C stage ▫ 06-14-2007 06:35 PM - 0 replies
▫ EL84 as both driver and output stage. ▫ 06-14-2007 06:29 PM - 29 replies
▫ Silvertone (Sears) stereo amp ▫ 06-14-2007 06:21 PM - 20 replies
▫ Chasing hum in a new tube amp ▫ 06-14-2007 03:25 PM - 21 replies
▫ Zenith K731 AM/FM radio audio random cracking sound in FM mode ▫ 06-14-2007 02:50 PM - 14 replies
▫ Aikido Headphone Amp ▫ 06-14-2007 02:03 PM - 2 replies
▫ 6bx7gt Se Amp ▫ 06-14-2007 12:41 PM - 2 replies
▫ Beard P100 Bias Lights ▫ 06-14-2007 11:27 AM - 4 replies
▫ Metasonix TS-21 modulator ▫ 06-14-2007 04:12 AM - 0 replies
▫ help with diyparadiso schematics ▫ 06-14-2007 03:58 AM - 1 reply
▫ electrostatic shield - nice to have or recommended or doesn't matter? ▫ 06-14-2007 03:19 AM - 11 replies
▫ Simple method for 240V from 240V line ▫ 06-14-2007 01:29 AM - 10 replies
▫ Audiophile bibliophilia nervosa ▫ 06-13-2007 09:37 PM - 43 replies
▫ Help with amp layout ▫ 06-13-2007 09:32 PM - 31 replies
▫ Why triode Mk3 is louder than stock Mk3 ▫ 06-13-2007 09:19 PM - 5 replies
▫ Seduction or Cornet for phono??? ▫ 06-13-2007 04:32 PM - 13 replies
▫ Please review my 6AQ5 Amp ▫ 06-13-2007 02:50 PM - 19 replies
▫ 832A PP Amp LTP ▫ 06-13-2007 01:10 PM - 4 replies
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