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 5201 to 5400 of 11907 available ▫ Help me information of the tubes? ▫ 09-07-2006 03:55 AM - 11 replies ▫ Questions about this line stage ▫ 09-07-2006 03:39 AM - 4 replies ▫ 5Z4P rectifier tube question ▫ 09-06-2006 11:04 PM - 3 replies ▫ Need help from Aikido builder ▫ 09-06-2006 07:46 AM - 5 replies ▫ AikesiÙ_»úel34Œ¤ÕÒ‡øÍâ´úÀí£¬¿ÉÒÔËÍһ̨£¡£¡ ▫ 09-06-2006 05:41 AM - 2 replies ▫ Direct heating triodes are really better? ▫ 09-05-2006 10:55 PM - 22 replies ▫ Audio Reality is back, in digital format ▫ 09-05-2006 07:35 PM - 1 reply ▫ Stoetkit 25W integrated amp ▫ 09-05-2006 09:27 AM - 6 replies ▫ Switchable stages with Tubelab’s hybrid MOSFET/ 845 SE amp? ▫ 09-05-2006 07:56 AM - 0 replies ▫ Tube Pre Amplifier for SEWA 7 Watt ClassA MOSFET ▫ 09-05-2006 07:53 AM - 261 replies ▫ Michaelson Audio Odysseus Problem. ▫ 09-05-2006 06:42 AM - 46 replies ▫ ASC metal can polypro caps: ground the metal can to AC ground? ▫ 09-05-2006 04:13 AM - 10 replies ▫ anyone living in australia (hopefully adelaide) willing to lend their puncher/bit? ▫ 09-05-2006 04:07 AM - 0 replies ▫ ReinoutdV ▫ 09-04-2006 07:38 PM - 4 replies ▫ Priboj amp schematic ▫ 09-04-2006 05:08 PM - 4 replies ▫ EL84 in ultra-linear mode ▫ 09-04-2006 11:37 AM - 8 replies ▫ internal shielding ▫ 09-04-2006 07:46 AM - 4 replies ▫ RIAA: what does it stand for? ▫ 09-04-2006 06:30 AM - 2 replies ▫ Socket Mounting Rings ▫ 09-04-2006 05:22 AM - 5 replies ▫ heathkit sa2 - new question ▫ 09-04-2006 03:32 AM - 8 replies ▫ RCA R35, 39 & 57 Terminal Usage... ▫ 09-03-2006 06:50 PM - 1 reply ▫ 45 into an 845 parafeed circuit ▫ 09-03-2006 12:18 PM - 14 replies ▫ Tubes power supply 220 t0 300V ? ▫ 09-03-2006 10:31 AM - 2 replies ▫ ripple values in B+ supply ▫ 09-02-2006 09:11 PM - 3 replies ▫ Capacitors and tubes for AA5? ▫ 09-02-2006 06:32 PM - 3 replies ▫ Dynaco PAS Rebuild ▫ 09-02-2006 05:49 PM - 1 reply ▫ Audio Research SP9 Circuit Diagram HELP! ▫ 09-02-2006 01:48 PM - 24 replies ▫ ARC reference II schematic ▫ 09-02-2006 10:35 AM - 4 replies ▫ 71a Line Stage and Miller Capacitance ▫ 09-01-2006 09:50 PM - 32 replies ▫ Low plate voltage pentode (<40v) for diff pair? ▫ 09-01-2006 09:02 PM - 3 replies ▫ loadlines for newbie. ▫ 09-01-2006 06:06 PM - 6 replies ▫ Measuring approx RMS power O/P ▫ 09-01-2006 10:32 AM - 10 replies ▫ Hybrid Aikido-ish gain stage ▫ 09-01-2006 08:47 AM - 3 replies ▫ Loftin-White coupling Questions ▫ 09-01-2006 12:16 AM - 1 reply ▫ 807 screen regulation ▫ 08-31-2006 10:08 PM - 19 replies ▫ What kills an opt tranny? ▫ 08-31-2006 06:24 PM - 28 replies ▫ EAR529 schematic diagram ▫ 08-31-2006 05:44 PM - 1 reply ▫ World Designs KEL84 Valve Amplifier ▫ 08-31-2006 03:22 PM - 1 reply ▫ what 300B design would you recommend but... ▫ 08-31-2006 01:49 PM - 18 replies ▫ Replacement conductance meter for Hickok 533A ▫ 08-31-2006 01:29 PM - 4 replies ▫ My RIAA Phono Stage Project ▫ 08-31-2006 03:12 AM - 16 replies ▫ A2 Questions ▫ 08-31-2006 12:58 AM - 16 replies ▫ World Audio Design ▫ 08-30-2006 02:07 PM - 1 reply ▫ Seek for your comments/advice to newbie on Tube world ▫ 08-30-2006 09:55 AM - 6 replies ▫ CCSed LTP validity? ▫ 08-30-2006 08:39 AM - 17 replies ▫ Suitability of transmitter tubes for musical amplifiers ▫ 08-30-2006 07:37 AM - 20 replies ▫ Anyone using an 813 in pentode? ▫ 08-30-2006 07:22 AM - 7 replies ▫ Electrolytic in the feedback loop ▫ 08-30-2006 02:29 AM - 30 replies ▫ El34 PP Vs. El34 PSE ▫ 08-30-2006 02:09 AM - 47 replies ▫ RIAA Phono Amp Design ▫ 08-29-2006 11:28 PM - 51 replies ▫ Matching resistors to 1% or Better ▫ 08-29-2006 07:25 PM - 5 replies ▫ Wirewound cathode resistor ▫ 08-29-2006 04:33 PM - 12 replies ▫ Tube Hybrid Amp. ▫ 08-29-2006 08:47 AM - 11 replies ▫ Nasty ground loop ▫ 08-28-2006 04:51 PM - 2 replies ▫ ECC88 Class B ▫ 08-28-2006 04:13 PM - 5 replies ▫ Cree diodes ▫ 08-28-2006 02:51 PM - 15 replies ▫ Old Tube Amp Servicer In Nj??? ▫ 08-28-2006 06:53 AM - 4 replies ▫ Vg-k max ▫ 08-28-2006 06:00 AM - 8 replies ▫ Anyone used PT15 / VT104 ? ▫ 08-27-2006 12:16 PM - 2 replies ▫ rebuild a Musical Fidelity X-10D ?? ▫ 08-27-2006 09:47 AM - 8 replies ▫ Transformer Building ▫ 08-27-2006 12:01 AM - 8 replies ▫ Identifying weird signal transformer ▫ 08-26-2006 10:39 PM - 4 replies ▫ 100watt mono blocks ▫ 08-26-2006 10:11 PM - 2 replies ▫ Resistor combination calculator - RESCALC ▫ 08-26-2006 08:36 PM - 5 replies ▫ Aikido choice of valves (or tubes, if you will) ▫ 08-26-2006 02:03 PM - 24 replies ▫ Pin 9 on 6n6P, 6H30, etc ▫ 08-26-2006 07:30 AM - 3 replies ▫ Croft Super Micro meets Acoustat TNT200 ▫ 08-25-2006 12:04 PM - 0 replies ▫ tube mic preamp kit?? ▫ 08-25-2006 08:09 AM - 6 replies ▫ The SACD Meets Tubes ▫ 08-24-2006 02:38 AM - 9 replies ▫ Useful Abbreviations ▫ 08-24-2006 12:02 AM - 10 replies ▫ cap value for 6X4 rectifier? ▫ 08-23-2006 09:32 PM - 64 replies ▫ One B+ for the both driver and output tube if they are identical? ▫ 08-23-2006 09:24 PM - 5 replies ▫ Fisher 500B Schematic Question ▫ 08-23-2006 07:45 PM - 5 replies ▫ SE Output Transfromers Question ▫ 08-23-2006 04:57 PM - 3 replies ▫ Amplifier Project ▫ 08-23-2006 12:11 PM - 16 replies ▫ Heaviside hybrid headphone amplifier ▫ 08-23-2006 07:24 AM - 3 replies ▫ Grid Stopper for parallel sides of dual triode ▫ 08-23-2006 05:45 AM - 6 replies ▫ tube preamp: adding headphone out ▫ 08-23-2006 04:37 AM - 9 replies ▫ centre tap or floating heaters? ▫ 08-22-2006 09:56 PM - 3 replies ▫ Converting 6.3V to 6.3VCT Quick questions ▫ 08-22-2006 08:15 PM - 4 replies ▫ Russian Nuvistors...Anyone tried them? ▫ 08-22-2006 06:16 PM - 0 replies ▫ һ̨300bcµ¨»ú£¬´ó¼Ò¸øµãÒâ¼û£¬Ð»Ð» ▫ 08-22-2006 02:00 PM - 18 replies ▫ Australian Amp Manufacturers ▫ 08-22-2006 01:57 PM - 3 replies ▫ Old radio quick question re PS ▫ 08-22-2006 10:02 AM - 17 replies ▫ Kt90 Pse ▫ 08-22-2006 06:45 AM - 9 replies ▫ Velleman K4040 is Always Blowing Output Tubes ▫ 08-22-2006 02:50 AM - 24 replies ▫ looking for transformer with the following specs? ▫ 08-21-2006 10:06 PM - 4 replies ▫ 5686 amplifier schematic ▫ 08-21-2006 09:57 PM - 1 reply ▫ Heaters for cathodes with a large swing ▫ 08-21-2006 02:27 PM - 1 reply ▫ 6DJ8 as phase splitter. ▫ 08-21-2006 06:31 AM - 5 replies ▫ New driver for SE 2A3 ▫ 08-21-2006 06:28 AM - 11 replies ▫ I´ve made a Mu stage with 6888 and 6C45... ▫ 08-20-2006 06:56 PM - 13 replies ▫ Quick urgent Help plz ! ▫ 08-20-2006 06:02 PM - 24 replies ▫ Cheap SET Kit for UK ▫ 08-20-2006 03:14 PM - 1 reply ▫ How can I change bias 6H30pi tube ▫ 08-20-2006 12:49 PM - 8 replies ▫ DHT heater voltage ▫ 08-19-2006 09:01 PM - 23 replies ▫ Ok SY...You Win ▫ 08-19-2006 01:54 AM - 59 replies ▫ Input level required- PP KT88 ▫ 08-18-2006 11:03 PM - 6 replies ▫ SE 6C33C-B ; preview of a new Baby ▫ 08-18-2006 09:30 PM - 51 replies ▫ 2A3 grid DC voltage ▫ 08-18-2006 07:03 PM - 9 replies ▫ Dyna ST70 experience bypassing input tubes ▫ 08-18-2006 05:53 PM - 12 replies ▫ [Theory] Amplifier efficiency ▫ 08-18-2006 01:16 PM - 6 replies ▫ Pentode Cascode CCS ▫ 08-18-2006 10:09 AM - 3 replies ▫ Noval Relay ▫ 08-18-2006 06:32 AM - 1 reply ▫ Where to buy 6A5G ? ▫ 08-17-2006 08:00 PM - 5 replies ▫ AC or grounded DC for heater? ▫ 08-17-2006 07:58 PM - 1 reply ▫ EM84 based VUmeter "lines" don't go to zero ▫ 08-17-2006 07:23 PM - 6 replies ▫ 'scoping tube amps ▫ 08-17-2006 05:52 PM - 3 replies ▫ Preferred operating points of small signal triodes ▫ 08-17-2006 04:47 PM - 19 replies ▫ Is the Nuvistor Better Than The 12B4 For A Line Stage ▫ 08-17-2006 03:33 PM - 18 replies ▫ audio research schematics ▫ 08-17-2006 02:44 PM - 1 reply ▫ Looking to put the entire (last edition) RCA and Sylvania books online ▫ 08-17-2006 02:09 PM - 14 replies ▫ 5693 as a phono preamp? ▫ 08-17-2006 11:32 AM - 3 replies ▫ Audible Illusions Dual Mono Preamplifier ▫ 08-17-2006 02:35 AM - 4 replies ▫ should the filaments be already hot before the B+ is applied or ▫ 08-16-2006 11:15 PM - 15 replies ▫ One Electron vs. Transcendar ▫ 08-16-2006 05:07 PM - 23 replies ▫ &quot;Y&quot; caps? current bleed? ▫ 08-16-2006 04:39 PM - 5 replies ▫ I made a 200W tube amp! ▫ 08-16-2006 02:58 PM - 5 replies ▫ Power amp kit for a complete newbie ▫ 08-16-2006 02:14 PM - 6 replies ▫ Confused, datasheet of 417A/5842 ▫ 08-16-2006 03:48 AM - 9 replies ▫ Audio Amp Project ▫ 08-16-2006 02:04 AM - 15 replies ▫ Tube tester settings? ▫ 08-16-2006 01:24 AM - 2 replies ▫ Neutrik XLR for Umbilical ▫ 08-15-2006 08:59 PM - 14 replies ▫ Primary Impedance ▫ 08-15-2006 04:21 PM - 9 replies ▫ Need help for HV section Design ▫ 08-15-2006 11:19 AM - 10 replies ▫ power amp kit recommendations ▫ 08-15-2006 07:17 AM - 11 replies ▫ 6N6P vs 5687 ▫ 08-15-2006 03:20 AM - 28 replies ▫ Triode spice models for Circuit maker ▫ 08-14-2006 05:27 PM - 3 replies ▫ My ARC D70 get trouble ▫ 08-14-2006 04:56 PM - 11 replies ▫ when using PSUD2, do you... ▫ 08-14-2006 02:12 AM - 13 replies ▫ Depression... and a plea for help!!! ▫ 08-14-2006 01:52 AM - 32 replies ▫ Weston 981 Type 3 schematic and parts list needed ▫ 08-14-2006 01:23 AM - 0 replies ▫ 3W 6C33B-C SE OTL schematics ready ▫ 08-13-2006 09:11 PM - 9 replies ▫ Batory tubes, anyone familiar with these? ▫ 08-13-2006 01:55 PM - 7 replies ▫ Musical Pre-amp topology needed. Interstages please apply! ▫ 08-13-2006 08:53 AM - 1 reply ▫ Tube power Amp matching with SAE Mark M pre amp and AR18 speaker or MS 25i ▫ 08-13-2006 07:12 AM - 1 reply ▫ PowerDrive Circuit for 805 (+ve grid bias) ▫ 08-13-2006 04:17 AM - 7 replies ▫ Alternate spice models ▫ 08-13-2006 01:46 AM - 5 replies ▫ Is this heater supply OK? ▫ 08-12-2006 07:48 PM - 39 replies ▫ Basic RC Value Question ▫ 08-12-2006 06:45 PM - 6 replies ▫ Hookup powersubwoofer to a tube receiver. ▫ 08-12-2006 06:16 AM - 4 replies ▫ Transformer question RE; connections on phono stage ▫ 08-11-2006 10:08 PM - 2 replies ▫ Rectifier Tubes Data - Quick Sheet ▫ 08-11-2006 02:02 PM - 3 replies ▫ Now This is A Tube Guitar Amp!! ▫ 08-11-2006 12:45 PM - 9 replies ▫ Which cabling to use? ▫ 08-11-2006 08:47 AM - 9 replies ▫ Need 396A/6N3P/2C51/407A spice model ▫ 08-10-2006 10:49 PM - 33 replies ▫ Antek Toroidal Power Transformers ▫ 08-10-2006 06:31 PM - 1 reply ▫ HT stands for??? ▫ 08-10-2006 08:16 AM - 21 replies ▫ Is it possible to hook up 6c33 plate in parallel ▫ 08-10-2006 07:31 AM - 4 replies ▫ Help eliminating hum ▫ 08-10-2006 07:13 AM - 1 reply ▫ Tube LTP CCS? ▫ 08-10-2006 07:03 AM - 23 replies ▫ Trancsendar Transformers ▫ 08-10-2006 12:08 AM - 1 reply ▫ Hafler/Keroes 6L6 UL ▫ 08-09-2006 08:55 PM - 125 replies ▫ hum ▫ 08-09-2006 02:18 PM - 13 replies ▫ Leads for ISCO PS? ▫ 08-09-2006 02:11 PM - 4 replies ▫ Negative Feedback Bogen CHB100 ▫ 08-09-2006 01:50 AM - 3 replies ▫ TubeCad's Hybrid amp question ▫ 08-08-2006 04:34 PM - 9 replies ▫ Cathode bias resistor value for 6SN7? ▫ 08-08-2006 07:34 AM - 10 replies ▫ El84 2-Channel Mono Blocks ▫ 08-08-2006 04:45 AM - 1 reply ▫ Tube Design Books ▫ 08-08-2006 03:54 AM - 18 replies ▫ Interesting Williamson article.. ▫ 08-07-2006 05:23 PM - 33 replies ▫ Locating Preamp Output Transformers ▫ 08-07-2006 05:17 PM - 2 replies ▫ Plate characteristics ▫ 08-07-2006 05:03 PM - 8 replies ▫ How do you finance A Great DIY Audio Amp? ▫ 08-07-2006 04:03 PM - 2 replies ▫ 808 Se ▫ 08-07-2006 12:15 PM - 5 replies ▫ Parafeed doubt ▫ 08-07-2006 09:03 AM - 6 replies ▫ A little research: old tube amps from the past ▫ 08-07-2006 08:50 AM - 84 replies ▫ RCA Victor stereo cabinet amp-newb question ▫ 08-07-2006 04:06 AM - 2 replies ▫ Transformer temperature? ▫ 08-06-2006 11:41 PM - 11 replies ▫ switch in SPICE ▫ 08-06-2006 03:03 PM - 3 replies ▫ Using a standard pentode-tetrode as output "space-charge tube" any ideas-experiences? ▫ 08-06-2006 02:44 PM - 10 replies ▫ Tube testers which is the best? ▫ 08-06-2006 11:48 AM - 67 replies ▫ finished !!! ▫ 08-05-2006 11:03 PM - 3 replies ▫ Transformer Leg Connection Question ▫ 08-05-2006 06:27 PM - 3 replies ▫ simple ccs under 5-10mA ? ▫ 08-05-2006 06:27 PM - 16 replies ▫ Curcio Sarah Phono stage: opinions? ▫ 08-05-2006 09:34 AM - 4 replies ▫ suggest a KT88 SE to build ▫ 08-04-2006 01:59 PM - 4 replies ▫ Transformer potting material?? ▫ 08-04-2006 02:48 AM - 9 replies ▫ Jan E Veiset Mini EL84 pp ▫ 08-04-2006 02:07 AM - 6 replies ▫ Some questions on non common things ▫ 08-04-2006 01:48 AM - 8 replies ▫ basic question on plate curves ▫ 08-03-2006 06:21 PM - 14 replies ▫ Euro barrier strip palace ▫ 08-03-2006 06:02 PM - 17 replies ▫ ARC D90 needs new electrolytics ▫ 08-03-2006 10:08 AM - 9 replies ▫ 5763 Triode Strapped ▫ 08-03-2006 07:48 AM - 3 replies ▫ Recommend me some transformers for a PP EL84 ▫ 08-03-2006 06:30 AM - 5 replies ▫ grid LED bias? ▫ 08-03-2006 06:04 AM - 13 replies ▫ Help on tube socket ▫ 08-03-2006 02:27 AM - 6 replies ▫ Taking CFB to the extremes...? ▫ 08-02-2006 10:06 PM - 17 replies ▫ Output section impedance change query ▫ 08-02-2006 07:52 PM - 7 replies ▫ Tube Suggestions ▫ 08-02-2006 06:47 PM - 13 replies ▫ 82 Popped ▫ 08-02-2006 06:13 AM - 12 replies ▫ OPT Project for EL84 SE ▫ 08-02-2006 03:56 AM - 23 replies ▫ Interesting eBay "listing" for tube amp ▫ 08-01-2006 11:30 PM - 14 replies ▫ How to chose the right choke ▫ 08-01-2006 06:03 PM - 7 replies ▫ Eco warrior thinking of jumping ship !!! ▫ 08-01-2006 02:19 PM - 55 replies ▫ HELP! Cathode bypass caps keep going... ▫ 07-31-2006 09:29 PM - 13 replies ▫ Best Operating point for a 2A3? ▫ 07-31-2006 05:45 PM - 10 replies ▫ Need help with preamp ▫ 07-31-2006 01:38 PM - 0 replies ▫ Best place to buy valves and components? ▫ 07-31-2006 10:11 AM - 12 replies ▫ Replacing cathode resistors of Aikido 1st stage (or other SRPP circuit) with chokes ▫ 07-31-2006 08:51 AM - 1 reply

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