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  Tubes - Showing threads 3201 to 3400 of 11912 available ▫ 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 ▫ 83 rectifier peak repetitive current? ▫ 06-27-2007 08:41 PM - 1 reply ▫ 813 Project has begun ! ▫ 06-27-2007 05:12 PM - 2 replies ▫ C3G PX25 DRD - Will it work ▫ 06-27-2007 04:55 PM - 5 replies ▫ 6J5 (Metal Tubes) ....something goes around inside ▫ 06-27-2007 04:52 AM - 2 replies ▫ common-mode chokes ▫ 06-27-2007 03:50 AM - 6 replies ▫ EL-34 and 100k pot ▫ 06-26-2007 11:35 PM - 1 reply ▫ Scott 299 (late) OPT's ▫ 06-26-2007 09:59 PM - 9 replies ▫ Tube magazines ▫ 06-26-2007 04:12 PM - 11 replies ▫ PP plate-choke? ▫ 06-26-2007 12:06 PM - 4 replies ▫ More Phase Splitting Questions ▫ 06-25-2007 11:27 PM - 17 replies ▫ Concertina sanity check ▫ 06-25-2007 11:14 PM - 12 replies ▫ Transformer Specs ▫ 06-25-2007 05:43 PM - 1 reply ▫ The Aikido or Moskido?? ▫ 06-25-2007 03:12 PM - 28 replies ▫ KT88 PP suggestion ▫ 06-25-2007 11:41 AM - 13 replies ▫ Ultrapath line amp ▫ 06-25-2007 01:00 AM - 10 replies ▫ Gross loudspeaker cone movement when using tube amps. ▫ 06-24-2007 10:01 PM - 41 replies ▫ Pre-amp power iron advice?? ▫ 06-24-2007 01:36 PM - 25 replies ▫ Class A 8417 Amp ▫ 06-24-2007 01:12 PM - 20 replies ▫ DHT output tubes and DC heating ▫ 06-24-2007 10:40 AM - 4 replies ▫ rock music and SE? ▫ 06-24-2007 10:31 AM - 16 replies ▫ Disadvantages of using Zobel and Series notch filter ? ▫ 06-23-2007 08:48 PM - 3 replies ▫ old days source ▫ 06-23-2007 03:44 PM - 3 replies ▫ Mu-follower vs common cathode w/- active load ▫ 06-23-2007 10:45 AM - 7 replies ▫ K40 or K42 Russian PIO: what would you use/recommend? ▫ 06-23-2007 09:28 AM - 2 replies ▫ CCS turning off prematurely? ▫ 06-23-2007 02:50 AM - 2 replies ▫ ESL amp again! ▫ 06-22-2007 05:35 PM - 4 replies ▫ calling Moray James, and others ..wav8 or 6BM8 schemtics--PP. ▫ 06-22-2007 04:41 AM - 15 replies ▫ Does anyone know the output transformer specs of the... ▫ 06-22-2007 04:27 AM - 12 replies ▫ SE EL84 project for my friend ▫ 06-22-2007 01:28 AM - 17 replies ▫ SE amplifier - How much power? ▫ 06-22-2007 01:22 AM - 4 replies ▫ what speakers do you use? ▫ 06-22-2007 12:01 AM - 32 replies ▫ A Tube amp for a Hostille Tube Enviornment ▫ 06-21-2007 05:49 PM - 22 replies ▫ practical choice for an amp ▫ 06-21-2007 09:44 AM - 2 replies ▫ Simple cathode CCS ▫ 06-20-2007 06:51 PM - 17 replies ▫ 2A3s in push pull; class A ▫ 06-20-2007 04:52 PM - 32 replies ▫ 5 VDC heater question ▫ 06-20-2007 03:33 PM - 4 replies ▫ Power transformer snerring. ▫ 06-20-2007 03:25 PM - 23 replies ▫ Subminiature Tube & Tripath Hybrid Integrated ▫ 06-20-2007 07:26 AM - 1 reply ▫ 211 ▫ 06-20-2007 06:30 AM - 9 replies ▫ Which of these output tubes? ▫ 06-20-2007 02:33 AM - 1 reply ▫ High Voltage Heater info ▫ 06-20-2007 02:01 AM - 2 replies ▫ 6SL7 in place of a 12AX7? ▫ 06-20-2007 01:39 AM - 5 replies ▫ DHT Tubes ▫ 06-20-2007 12:27 AM - 7 replies ▫ Driving 6AQ5's ▫ 06-19-2007 07:14 PM - 10 replies ▫ schematic wanted ▫ 06-19-2007 04:50 PM - 3 replies ▫ 807s replacing 6L6GCs ▫ 06-19-2007 02:45 PM - 17 replies ▫ Shielded vs twisted pair in internal wiring ▫ 06-19-2007 01:48 PM - 4 replies ▫ tube basics: computing mu and transconductance ▫ 06-19-2007 01:25 PM - 8 replies ▫ Aluminium vs steel chassis ▫ 06-19-2007 12:30 PM - 85 replies ▫ Etf06 & 07 ▫ 06-19-2007 10:49 AM - 0 replies ▫ FU 13 tubes ▫ 06-19-2007 07:09 AM - 13 replies ▫ Good Souinding Direct Replacement For 325 / OP 37 ▫ 06-19-2007 06:48 AM - 1 reply ▫ how to wire 6.3VDC heater on a heater with center tap (12.6V series, 6.3V parallel)? ▫ 06-19-2007 06:02 AM - 7 replies ▫ The Russian 5U4M is a 5AR4 equivalent ? ▫ 06-19-2007 04:15 AM - 2 replies ▫ WE427A Cold Cathode Diode ▫ 06-19-2007 03:39 AM - 2 replies ▫ reversing polarity in regulated B+ and other question ▫ 06-18-2007 10:34 PM - 6 replies ▫ Anthem Integrated 1 ▫ 06-18-2007 10:13 PM - 9 replies ▫ Hickok 800 settings ▫ 06-18-2007 06:06 PM - 2 replies ▫ Advice/Help - Cap upgrade ▫ 06-18-2007 02:54 PM - 6 replies ▫ Anyone tweaked a California Audio Labs Alpha DAC? ▫ 06-18-2007 02:23 PM - 5 replies ▫ question on old tube sockets ▫ 06-18-2007 05:51 AM - 3 replies ▫ fisher sa-16 very red tube and? ▫ 06-18-2007 05:41 AM - 2 replies ▫ pros/cons of a 845 VS 211 ▫ 06-18-2007 05:31 AM - 2 replies ▫ Preamp Power and Voltage Output ▫ 06-18-2007 01:44 AM - 2 replies ▫ Anyone seen these 6L6GCs before? ▫ 06-17-2007 10:29 PM - 10 replies ▫ online transformer info for newbies ▫ 06-17-2007 05:35 PM - 20 replies ▫ High voltage pseudo-triode ▫ 06-17-2007 05:28 PM - 29 replies ▫ Yes, again: mains-powered KILLER amp without a power transformer. ▫ 06-17-2007 11:44 AM - 2 replies ▫ Quicksilver 300b monoblock (KT88 conversion) ▫ 06-17-2007 11:05 AM - 4 replies ▫ Output transformer (SE) - DIY ▫ 06-17-2007 09:32 AM - 3 replies ▫ is Gary Pimm still around? ▫ 06-17-2007 05:52 AM - 9 replies ▫ carbon composition - 2 types ▫ 06-17-2007 03:24 AM - 18 replies ▫ Input attenuation on Leak amp ▫ 06-16-2007 11:54 PM - 15 replies ▫ 101D Sockets ▫ 06-16-2007 08:29 PM - 2 replies ▫ PC86, '88 RF Amplifiers ▫ 06-16-2007 07:15 PM - 0 replies ▫ Jolida SJ-302A tube swap ▫ 06-16-2007 12:12 PM - 0 replies ▫ Inductance for tweeter OPT ▫ 06-16-2007 11:19 AM - 9 replies ▫ Help me.......What is the 6SN7 ??????? ▫ 06-16-2007 08:24 AM - 10 replies ▫ high DCR secondary (power transformer) ▫ 06-16-2007 07:00 AM - 2 replies ▫ 6SL7 Tube rolling - my experience ▫ 06-16-2007 05:10 AM - 0 replies ▫ Transformer power formula Help??? ▫ 06-15-2007 10:41 PM - 6 replies ▫ 2A3 OTL 800 Ohm Speaker ▫ 06-15-2007 01:48 PM - 7 replies ▫ Trying to find specs on transformer core material ▫ 06-15-2007 12:54 PM - 7 replies ▫ 12AX7 suggestions? ▫ 06-15-2007 01:17 AM - 3 replies ▫ power supply (cap input) ▫ 06-15-2007 01:15 AM - 2 replies ▫ is it safe to connect these secondaries in series? ▫ 06-15-2007 12:57 AM - 3 replies ▫ Peter Millett's Uniamp with KT88 ▫ 06-14-2007 10:55 PM - 23 replies ▫ Mystery transformer ▫ 06-14-2007 09:00 PM - 2 replies ▫ Can I phase split like this? ▫ 06-14-2007 07:43 PM - 14 replies ▫ How to model psud2 using tube regulator? ▫ 06-14-2007 07:02 PM - 7 replies ▫ Choke-loaded 6C33C stage ▫ 06-14-2007 05:35 PM - 0 replies ▫ EL84 as both driver and output stage. ▫ 06-14-2007 05:29 PM - 29 replies ▫ Silvertone (Sears) stereo amp ▫ 06-14-2007 05:21 PM - 20 replies ▫ Chasing hum in a new tube amp ▫ 06-14-2007 02:25 PM - 21 replies ▫ Zenith K731 AM/FM radio audio random cracking sound in FM mode ▫ 06-14-2007 01:50 PM - 14 replies ▫ Aikido Headphone Amp ▫ 06-14-2007 01:03 PM - 2 replies ▫ 6bx7gt Se Amp ▫ 06-14-2007 11:41 AM - 2 replies ▫ Beard P100 Bias Lights ▫ 06-14-2007 10:27 AM - 4 replies ▫ Metasonix TS-21 modulator ▫ 06-14-2007 03:12 AM - 0 replies ▫ help with diyparadiso schematics ▫ 06-14-2007 02:58 AM - 1 reply ▫ electrostatic shield - nice to have or recommended or doesn't matter? ▫ 06-14-2007 02:19 AM - 11 replies ▫ Simple method for 240V from 240V line ▫ 06-14-2007 12:29 AM - 10 replies ▫ Audiophile bibliophilia nervosa ▫ 06-13-2007 08:37 PM - 43 replies ▫ Help with amp layout ▫ 06-13-2007 08:32 PM - 31 replies ▫ Why triode Mk3 is louder than stock Mk3 ▫ 06-13-2007 08:19 PM - 5 replies ▫ Seduction or Cornet for phono??? ▫ 06-13-2007 03:32 PM - 13 replies ▫ Please review my 6AQ5 Amp ▫ 06-13-2007 01:50 PM - 19 replies ▫ 832A PP Amp LTP ▫ 06-13-2007 12:10 PM - 4 replies ▫ Checklist to observe before applying the mains ▫ 06-12-2007 10:09 PM - 32 replies ▫ C3g driving 2a3: Triode or pentode? ▫ 06-12-2007 01:16 PM - 3 replies ▫ psud2 question and Fi Primer's 211 circuit ▫ 06-12-2007 06:12 AM - 3 replies ▫ How to connect 62 ohm headphone to 8 ohm output ▫ 06-12-2007 05:39 AM - 15 replies ▫ Jolida JD-301A & Jadis DPL ▫ 06-12-2007 01:30 AM - 1 reply ▫ Headphones with a Tube Amp ▫ 06-11-2007 07:46 PM - 4 replies ▫ 6S3B-V Wire-Ended Single-Triode tube ▫ 06-11-2007 07:19 PM - 3 replies ▫ Anode stoppers ▫ 06-11-2007 05:33 PM - 4 replies ▫ Weird Quad II mains transformer help ▫ 06-11-2007 12:21 PM - 2 replies ▫ Mullard 5-20 parts list ▫ 06-11-2007 11:00 AM - 11 replies ▫ has anyone DIYed a Citation 2? ▫ 06-11-2007 10:14 AM - 16 replies ▫ Bogen/plexi conversion question ▫ 06-10-2007 10:42 PM - 5 replies ▫ Matched pair - different brands ▫ 06-10-2007 09:09 PM - 8 replies ▫ ERIC Mod 3460P Restore ▫ 06-10-2007 08:33 PM - 10 replies ▫ PV12 Preamplifier ▫ 06-10-2007 07:58 PM - 115 replies ▫ Grandma's old Capitol Console ▫ 06-10-2007 05:37 AM - 22 replies ▫ Music Angel ▫ 06-09-2007 08:02 PM - 11 replies ▫ What is the version of 45 ▫ 06-09-2007 07:46 AM - 3 replies ▫ Aikido for guitar? ▫ 06-09-2007 05:33 AM - 3 replies ▫ Heathkit potted power transformer question ▫ 06-09-2007 05:23 AM - 4 replies ▫ Thermionic Cooling? ▫ 06-09-2007 03:34 AM - 11 replies ▫ What have the finest sound, the PX4 or the 45 ? ▫ 06-09-2007 03:10 AM - 4 replies ▫ value of a cap between driver tube and output tubes ▫ 06-09-2007 12:29 AM - 1 reply ▫ do matched pair (or maybe a quad) output tubes "aged" at the same rate? ▫ 06-08-2007 11:42 PM - 3 replies ▫ Mini EL84 Amp Done ▫ 06-08-2007 10:53 PM - 21 replies ▫ Overcoming Miller ▫ 06-08-2007 10:27 PM - 3 replies ▫ Heathkit Schematic model AA-50 needed ▫ 06-08-2007 08:54 PM - 5 replies ▫ Help me choose please ▫ 06-08-2007 07:46 PM - 12 replies ▫ Mono Class A SE Schematics ▫ 06-08-2007 03:21 PM - 10 replies ▫ Irish DIY Meet. ▫ 06-08-2007 01:14 PM - 9 replies ▫ Sizing PP OPT ▫ 06-08-2007 06:46 AM - 14 replies ▫ 6BQ5/EL90 guitar amp schematics wanted ▫ 06-08-2007 05:20 AM - 9 replies ▫ Do SE transfomers get hot? ▫ 06-07-2007 11:32 PM - 4 replies ▫ Aikido Questions ▫ 06-07-2007 06:36 PM - 34 replies ▫ LTP with interstage trafo ▫ 06-07-2007 02:29 PM - 8 replies ▫ 6BQ5 Push-Pull amplifier ▫ 06-07-2007 01:47 PM - 6 replies ▫ Amplifier input ▫ 06-07-2007 11:05 AM - 4 replies ▫ C#@$ quality 6L6EH's ▫ 06-07-2007 10:18 AM - 40 replies ▫ Mains toroids appear to be great for audio ▫ 06-07-2007 10:18 AM - 30 replies ▫ High bias point. ▫ 06-07-2007 03:51 AM - 4 replies ▫ ebay amp ▫ 06-07-2007 02:50 AM - 2 replies ▫ GU 50 output modification ▫ 06-06-2007 11:03 PM - 19 replies ▫ 6C41Cs Class-A PP ▫ 06-06-2007 09:53 PM - 0 replies ▫ My First Big Amp ▫ 06-06-2007 07:06 PM - 6 replies ▫ sv572-10 ▫ 06-06-2007 04:34 PM - 6 replies ▫ Stupid PAS-2 Pot Questions ▫ 06-06-2007 04:10 PM - 5 replies ▫ Old electronics articles ▫ 06-06-2007 01:59 PM - 6 replies ▫ UL Feedback ▫ 06-06-2007 12:43 PM - 1 reply ▫ who know fd23 and fd422 tubes? ▫ 06-06-2007 11:34 AM - 0 replies ▫ Laptop amplifier ▫ 06-06-2007 02:55 AM - 5 replies ▫ Thoughts Of Modifying My First Tube Amp. ▫ 06-06-2007 12:07 AM - 40 replies ▫ Quick question for Eli Duttman (or others!) ▫ 06-05-2007 11:27 PM - 2 replies ▫ Blackened GZ32 glass envelopes ▫ 06-05-2007 11:16 PM - 2 replies ▫ Are these vintage vacuum tubes suitable..... ▫ 06-05-2007 10:31 PM - 6 replies ▫ Tube XP8109-02?! ▫ 06-05-2007 11:50 AM - 8 replies ▫ peak current 300B heater with start up ▫ 06-05-2007 10:17 AM - 12 replies ▫ Microphonic phono preamplifier ▫ 06-05-2007 01:55 AM - 3 replies ▫ Pentode Plate Load ▫ 06-04-2007 10:45 PM - 14 replies ▫ what monoblocks to build? ▫ 06-04-2007 10:38 PM - 4 replies ▫ All tube direct box ▫ 06-04-2007 09:59 PM - 3 replies ▫ max b+ for 6V6 ▫ 06-04-2007 01:33 PM - 5 replies ▫ What speakers to go with tubes ?? ▫ 06-04-2007 10:06 AM - 7 replies ▫ Bluenote Koala Tube CD Player ▫ 06-04-2007 08:54 AM - 0 replies ▫ OPTs and power for bi-amping ▫ 06-04-2007 06:15 AM - 2 replies ▫ Quick And Dirty ~75W Guitar Amp ▫ 06-04-2007 02:44 AM - 7 replies ▫ Old Diodes ▫ 06-03-2007 03:27 PM - 2 replies ▫ Father, I abused my Leak S/20 ▫ 06-03-2007 12:38 PM - 7 replies ▫ 6688/E180F line stage? ▫ 06-03-2007 11:40 AM - 26 replies ▫ Variable feedback to enhance damping factor at low frequency ▫ 06-03-2007 11:19 AM - 8 replies ▫ Need assistance with picking the right Edcor audio transformer ▫ 06-02-2007 11:22 PM - 14 replies ▫ Critique my first design ▫ 06-02-2007 03:07 PM - 11 replies ▫ Biamping, phase of output? ▫ 06-02-2007 02:39 PM - 2 replies ▫ Ground star ▫ 06-01-2007 11:58 PM - 1 reply ▫ op-points for 27 pre...? ▫ 06-01-2007 01:24 PM - 0 replies ▫ Opinions/Experience of Toroidal valve amps ▫ 05-31-2007 11:06 PM - 65 replies ▫ hum, no way to get rid of it ▫ 05-31-2007 09:41 PM - 14 replies ▫ How to adjust my circuit for frequency response? ▫ 05-31-2007 05:36 PM - 14 replies ▫ Input Tubes? ▫ 05-31-2007 02:21 PM - 7 replies ▫ 6BG6 = 6L6GC with top cap - cheap! ▫ 05-31-2007 08:13 AM - 6 replies ▫ Maida Regulators Redux ▫ 05-31-2007 12:54 AM - 27 replies ▫ ground of DC bias supply ▫ 05-30-2007 11:58 PM - 1 reply ▫ does anyone the website for yaqin/mr. liung/music angel amps? ▫ 05-30-2007 11:19 PM - 1 reply ▫ plate load ccs ala gary p question ▫ 05-30-2007 03:48 PM - 1 reply ▫ Books for newbe ▫ 05-30-2007 03:05 PM - 13 replies ▫ 6AS7 OTL ▫ 05-30-2007 02:15 PM - 14 replies ▫ n00b phono preamp troubleshooting.. ▫ 05-30-2007 11:07 AM - 6 replies ▫ TubelabSE - Anyone built? ▫ 05-30-2007 08:24 AM - 51 replies

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