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 5601 to 5800 of 12199 available ▫ Preferred operating points of small signal triodes ▫ 08-17-2006 05:47 PM - 19 replies ▫ Is the Nuvistor Better Than The 12B4 For A Line Stage ▫ 08-17-2006 04:33 PM - 18 replies ▫ audio research schematics ▫ 08-17-2006 03:44 PM - 1 reply ▫ Looking to put the entire (last edition) RCA and Sylvania books online ▫ 08-17-2006 03:09 PM - 14 replies ▫ 5693 as a phono preamp? ▫ 08-17-2006 12:32 PM - 3 replies ▫ Audible Illusions Dual Mono Preamplifier ▫ 08-17-2006 03:35 AM - 4 replies ▫ should the filaments be already hot before the B+ is applied or ▫ 08-17-2006 12:15 AM - 15 replies ▫ One Electron vs. Transcendar ▫ 08-16-2006 06:07 PM - 23 replies ▫ "Y" caps? current bleed? ▫ 08-16-2006 05:39 PM - 5 replies ▫ I made a 200W tube amp! ▫ 08-16-2006 03:58 PM - 5 replies ▫ Power amp kit for a complete newbie ▫ 08-16-2006 03:14 PM - 6 replies ▫ Confused, datasheet of 417A/5842 ▫ 08-16-2006 04:48 AM - 9 replies ▫ Audio Amp Project ▫ 08-16-2006 03:04 AM - 15 replies ▫ Tube tester settings? ▫ 08-16-2006 02:24 AM - 2 replies ▫ Neutrik XLR for Umbilical ▫ 08-15-2006 09:59 PM - 14 replies ▫ Primary Impedance ▫ 08-15-2006 05:21 PM - 9 replies ▫ Need help for HV section Design ▫ 08-15-2006 12:19 PM - 10 replies ▫ power amp kit recommendations ▫ 08-15-2006 08:17 AM - 11 replies ▫ 6N6P vs 5687 ▫ 08-15-2006 04:20 AM - 28 replies ▫ Triode spice models for Circuit maker ▫ 08-14-2006 06:27 PM - 3 replies ▫ My ARC D70 get trouble ▫ 08-14-2006 05:56 PM - 11 replies ▫ when using PSUD2, do you... ▫ 08-14-2006 03:12 AM - 13 replies ▫ Depression... and a plea for help!!! ▫ 08-14-2006 02:52 AM - 32 replies ▫ Weston 981 Type 3 schematic and parts list needed ▫ 08-14-2006 02:23 AM - 0 replies ▫ 3W 6C33B-C SE OTL schematics ready ▫ 08-13-2006 10:11 PM - 9 replies ▫ Batory tubes, anyone familiar with these? ▫ 08-13-2006 02:55 PM - 7 replies ▫ Musical Pre-amp topology needed. Interstages please apply! ▫ 08-13-2006 09:53 AM - 1 reply ▫ Tube power Amp matching with SAE Mark M pre amp and AR18 speaker or MS 25i ▫ 08-13-2006 08:12 AM - 1 reply ▫ PowerDrive Circuit for 805 (+ve grid bias) ▫ 08-13-2006 05:17 AM - 7 replies ▫ Alternate spice models ▫ 08-13-2006 02:46 AM - 5 replies ▫ Is this heater supply OK? ▫ 08-12-2006 08:48 PM - 39 replies ▫ Basic RC Value Question ▫ 08-12-2006 07:45 PM - 6 replies ▫ Hookup powersubwoofer to a tube receiver. ▫ 08-12-2006 07:16 AM - 4 replies ▫ Transformer question RE; connections on phono stage ▫ 08-11-2006 11:08 PM - 2 replies ▫ Rectifier Tubes Data - Quick Sheet ▫ 08-11-2006 03:02 PM - 3 replies ▫ Now This is A Tube Guitar Amp!! ▫ 08-11-2006 01:45 PM - 9 replies ▫ Which cabling to use? ▫ 08-11-2006 09:47 AM - 9 replies ▫ Need 396A/6N3P/2C51/407A spice model ▫ 08-10-2006 11:49 PM - 33 replies ▫ Antek Toroidal Power Transformers ▫ 08-10-2006 07:31 PM - 1 reply ▫ HT stands for??? ▫ 08-10-2006 09:16 AM - 21 replies ▫ Is it possible to hook up 6c33 plate in parallel ▫ 08-10-2006 08:31 AM - 4 replies ▫ Help eliminating hum ▫ 08-10-2006 08:13 AM - 1 reply ▫ Tube LTP CCS? ▫ 08-10-2006 08:03 AM - 23 replies ▫ Trancsendar Transformers ▫ 08-10-2006 01:08 AM - 1 reply ▫ Hafler/Keroes 6L6 UL ▫ 08-09-2006 09:55 PM - 125 replies ▫ hum ▫ 08-09-2006 03:18 PM - 13 replies ▫ Leads for ISCO PS? ▫ 08-09-2006 03:11 PM - 4 replies ▫ Negative Feedback Bogen CHB100 ▫ 08-09-2006 02:50 AM - 3 replies ▫ TubeCad's Hybrid amp question ▫ 08-08-2006 05:34 PM - 9 replies ▫ Cathode bias resistor value for 6SN7? ▫ 08-08-2006 08:34 AM - 10 replies ▫ El84 2-Channel Mono Blocks ▫ 08-08-2006 05:45 AM - 1 reply ▫ Tube Design Books ▫ 08-08-2006 04:54 AM - 18 replies ▫ Interesting Williamson article.. ▫ 08-07-2006 06:23 PM - 33 replies ▫ Locating Preamp Output Transformers ▫ 08-07-2006 06:17 PM - 2 replies ▫ Plate characteristics ▫ 08-07-2006 06:03 PM - 8 replies ▫ How do you finance A Great DIY Audio Amp? ▫ 08-07-2006 05:03 PM - 2 replies ▫ 808 Se ▫ 08-07-2006 01:15 PM - 5 replies ▫ Parafeed doubt ▫ 08-07-2006 10:03 AM - 6 replies ▫ A little research: old tube amps from the past ▫ 08-07-2006 09:50 AM - 84 replies ▫ RCA Victor stereo cabinet amp-newb question ▫ 08-07-2006 05:06 AM - 2 replies ▫ Transformer temperature? ▫ 08-07-2006 12:41 AM - 11 replies ▫ switch in SPICE ▫ 08-06-2006 04:03 PM - 3 replies ▫ Using a standard pentode-tetrode as output "space-charge tube" any ideas-experiences? ▫ 08-06-2006 03:44 PM - 10 replies ▫ Tube testers which is the best? ▫ 08-06-2006 12:48 PM - 67 replies ▫ finished !!! ▫ 08-06-2006 12:03 AM - 3 replies ▫ Transformer Leg Connection Question ▫ 08-05-2006 07:27 PM - 3 replies ▫ simple ccs under 5-10mA ? ▫ 08-05-2006 07:27 PM - 16 replies ▫ Curcio Sarah Phono stage: opinions? ▫ 08-05-2006 10:34 AM - 4 replies ▫ suggest a KT88 SE to build ▫ 08-04-2006 02:59 PM - 4 replies ▫ Transformer potting material?? ▫ 08-04-2006 03:48 AM - 9 replies ▫ Jan E Veiset Mini EL84 pp ▫ 08-04-2006 03:07 AM - 6 replies ▫ Some questions on non common things ▫ 08-04-2006 02:48 AM - 8 replies ▫ basic question on plate curves ▫ 08-03-2006 07:21 PM - 14 replies ▫ Euro barrier strip palace ▫ 08-03-2006 07:02 PM - 17 replies ▫ ARC D90 needs new electrolytics ▫ 08-03-2006 11:08 AM - 9 replies ▫ 5763 Triode Strapped ▫ 08-03-2006 08:48 AM - 3 replies ▫ Recommend me some transformers for a PP EL84 ▫ 08-03-2006 07:30 AM - 5 replies ▫ grid LED bias? ▫ 08-03-2006 07:04 AM - 13 replies ▫ Help on tube socket ▫ 08-03-2006 03:27 AM - 6 replies ▫ Taking CFB to the extremes...? ▫ 08-02-2006 11:06 PM - 17 replies ▫ Output section impedance change query ▫ 08-02-2006 08:52 PM - 7 replies ▫ Tube Suggestions ▫ 08-02-2006 07:47 PM - 13 replies ▫ 82 Popped ▫ 08-02-2006 07:13 AM - 12 replies ▫ OPT Project for EL84 SE ▫ 08-02-2006 04:56 AM - 23 replies ▫ Interesting eBay "listing" for tube amp ▫ 08-02-2006 12:30 AM - 14 replies ▫ How to chose the right choke ▫ 08-01-2006 07:03 PM - 7 replies ▫ Eco warrior thinking of jumping ship !!! ▫ 08-01-2006 03:19 PM - 55 replies ▫ HELP! Cathode bypass caps keep going... ▫ 07-31-2006 10:29 PM - 13 replies ▫ Best Operating point for a 2A3? ▫ 07-31-2006 06:45 PM - 10 replies ▫ Need help with preamp ▫ 07-31-2006 02:38 PM - 0 replies ▫ Best place to buy valves and components? ▫ 07-31-2006 11:11 AM - 12 replies ▫ Replacing cathode resistors of Aikido 1st stage (or other SRPP circuit) with chokes ▫ 07-31-2006 09:51 AM - 1 reply ▫ Circuit calculations ▫ 07-31-2006 09:49 AM - 4 replies ▫ Finally going to give my TVC/active preamp a real home... ▫ 07-31-2006 07:24 AM - 4 replies ▫ Suggestion on the input transformer for tube preamp ▫ 07-31-2006 04:55 AM - 3 replies ▫ sylvania & GE tubes ▫ 07-31-2006 02:15 AM - 5 replies ▫ SE Amplifier ▫ 07-30-2006 08:18 PM - 2 replies ▫ "fisss" on the 6C33C-pp ▫ 07-30-2006 06:53 PM - 12 replies ▫ Best price for tube output and power transformers ? ▫ 07-30-2006 06:32 PM - 1 reply ▫ What kind of output transformer? ▫ 07-30-2006 10:25 AM - 15 replies ▫ transformer ▫ 07-29-2006 11:35 PM - 5 replies ▫ 20W PP Choke PSU Question ▫ 07-29-2006 06:57 PM - 0 replies ▫ Regulated B+ supplies (using tubes) ▫ 07-28-2006 12:20 PM - 13 replies ▫ Confused by the numbers ▫ 07-28-2006 06:55 AM - 52 replies ▫ Feedback on Thorsten's legacy "universal dht" amp ▫ 07-28-2006 06:34 AM - 2 replies ▫ Are there techniques for triode-strapping on the fly? ▫ 07-28-2006 12:16 AM - 4 replies ▫ PROJECT begins: bass preamp ▫ 07-27-2006 11:27 PM - 2 replies ▫ The best bias point for KT88 ▫ 07-27-2006 07:24 PM - 0 replies ▫ All tube CCS ▫ 07-27-2006 04:45 PM - 7 replies ▫ GU50 SE Amplifier class A , with 6SN7 Full construction details ▫ 07-27-2006 03:34 PM - 94 replies ▫ 50L6GT & 6L6GT sounds ?? ▫ 07-27-2006 02:57 PM - 7 replies ▫ Especially for Tubelab: 845 amp 2.0 ▫ 07-27-2006 12:03 PM - 24 replies ▫ Mini guitar amp from a Webcor tape amp, is it possible? ▫ 07-27-2006 07:45 AM - 9 replies ▫ Powerdrive ▫ 07-27-2006 12:30 AM - 40 replies ▫ Filament voltage and affect on Rp ▫ 07-26-2006 07:13 PM - 10 replies ▫ Tube pre-amplifier PSU ▫ 07-26-2006 11:15 AM - 10 replies ▫ Help with a cathode coupled pentode driver? ▫ 07-26-2006 08:41 AM - 2 replies ▫ Amp that has the biggest number of irons ▫ 07-26-2006 02:40 AM - 3 replies ▫ 12AX7A replacement ▫ 07-26-2006 01:20 AM - 7 replies ▫ Bogen CHB-10A Conversion, need help and advice ▫ 07-25-2006 11:10 PM - 14 replies ▫ Who said it was a good idea to try pentode! ▫ 07-25-2006 05:03 PM - 19 replies ▫ Input level ▫ 07-25-2006 10:00 AM - 3 replies ▫ 6V6GT ▫ 07-25-2006 09:21 AM - 2 replies ▫ 6AR6 ▫ 07-25-2006 06:54 AM - 1 reply ▫ Any TCJ Push-Pull Calculator users? ▫ 07-25-2006 05:50 AM - 1 reply ▫ 211 Push pull operation points ▫ 07-25-2006 05:40 AM - 7 replies ▫ Edcor CXSE25-8-4K vs Hammond 1628SEA? ▫ 07-24-2006 10:13 PM - 3 replies ▫ Bass guitar preamp ▫ 07-24-2006 09:39 PM - 31 replies ▫ 50W KT88 PP w/ NFB on Bonavolta ▫ 07-24-2006 07:54 PM - 11 replies ▫ Looking for nuvistor pre-amp preamp schematic please. 6CW4? ▫ 07-24-2006 05:27 PM - 5 replies ▫ BELL 3030 Amplifier ▫ 07-24-2006 11:55 AM - 6 replies ▫ Diy Paradise! ▫ 07-24-2006 04:43 AM - 3 replies ▫ Another PP 6B4G ▫ 07-24-2006 03:19 AM - 3 replies ▫ How to get a buffer with overdrive from a 12AX7 ? ▫ 07-24-2006 02:21 AM - 7 replies ▫ Pulsating Glow ▫ 07-24-2006 01:07 AM - 37 replies ▫ Question on using glow tubes (v-regs) ▫ 07-23-2006 09:13 PM - 3 replies ▫ Eliminating the OPT: impedance matching ▫ 07-23-2006 05:16 PM - 4 replies ▫ KT88 and push-pull ultra-linear ▫ 07-22-2006 09:51 PM - 4 replies ▫ Positronic Tubes ▫ 07-22-2006 08:08 PM - 7 replies ▫ Paint steel chassis with the "aluminum paint" used on wire fence? ▫ 07-22-2006 07:16 PM - 2 replies ▫ Best bias for 6cg7 ▫ 07-22-2006 02:44 PM - 5 replies ▫ Coupling caps test bed ▫ 07-22-2006 01:56 PM - 3 replies ▫ 829B Based Amp ▫ 07-22-2006 11:05 AM - 6 replies ▫ slight hum still haunting me ▫ 07-22-2006 06:32 AM - 5 replies ▫ CCS bias question ▫ 07-22-2006 05:09 AM - 4 replies ▫ Can't get solder to stick ▫ 07-21-2006 10:52 PM - 24 replies ▫ EL84 amp plus subwoofers? STUPID? OR NOT? ▫ 07-21-2006 09:11 PM - 0 replies ▫ Johan Potgieter ▫ 07-21-2006 09:10 PM - 29 replies ▫ parallel sections ▫ 07-21-2006 08:01 PM - 1 reply ▫ PL504/EL84 SE vs parafeed ▫ 07-21-2006 06:55 PM - 9 replies ▫ [help] Look for McIntosh MI-200 Circuit diagram ▫ 07-21-2006 05:58 PM - 0 replies ▫ My experience: the cheap punch set VS Greenlee punch ▫ 07-21-2006 04:36 PM - 5 replies ▫ 6V6GT SE schematic -need!!! ▫ 07-21-2006 02:17 PM - 23 replies ▫ What's the deal with Broskie's iPod buddy? ▫ 07-21-2006 04:06 AM - 2 replies ▫ a quiz about AC power ▫ 07-21-2006 02:37 AM - 75 replies ▫ Beard P100 Amplifier ▫ 07-21-2006 01:32 AM - 6 replies ▫ Quick identification question ▫ 07-20-2006 08:09 PM - 3 replies ▫ 6V6 guitar amp design attempt ▫ 07-20-2006 11:15 AM - 29 replies ▫ Some more RIAA questions ▫ 07-20-2006 05:51 AM - 5 replies ▫ what to do? ▫ 07-20-2006 04:28 AM - 47 replies ▫ A suspect EL34 ▫ 07-20-2006 12:41 AM - 2 replies ▫ Best way of reducing heater voltage? ▫ 07-19-2006 12:07 PM - 14 replies ▫ Musical Instrument tube amp part suppliers ▫ 07-19-2006 01:15 AM - 2 replies ▫ tubelab ▫ 07-18-2006 11:59 PM - 24 replies ▫ My first power amp ▫ 07-18-2006 08:46 PM - 21 replies ▫ El34 SE pentode ▫ 07-18-2006 07:47 PM - 1 reply ▫ All Electron Tubes Manufacturers ▫ 07-18-2006 05:09 PM - 14 replies ▫ Mu stage driver ▫ 07-18-2006 03:21 PM - 19 replies ▫ two questions on Parafeed amplifier ▫ 07-18-2006 01:43 PM - 7 replies ▫ 6AU5GT ▫ 07-18-2006 04:39 AM - 22 replies ▫ Connection advice ▫ 07-17-2006 07:11 PM - 1 reply ▫ 'Tube'-ing a reel-to-reel player. ▫ 07-17-2006 05:43 PM - 5 replies ▫ EL34 make up by PCB ▫ 07-17-2006 08:58 AM - 11 replies ▫ wanted RIAA schematic ▫ 07-17-2006 04:01 AM - 23 replies ▫ Using headphone amp as speaker amp ▫ 07-17-2006 02:14 AM - 1 reply ▫ What is the best software to create tube schematic ▫ 07-17-2006 01:52 AM - 16 replies ▫ Soft clipping acceptable? ▫ 07-17-2006 12:26 AM - 6 replies ▫ help for this amp ▫ 07-16-2006 02:21 PM - 4 replies ▫ Pentode PP amp for comments, please ▫ 07-16-2006 11:12 AM - 13 replies ▫ 966A rectifier ▫ 07-16-2006 06:12 AM - 1 reply ▫ 938 power triode ▫ 07-16-2006 06:08 AM - 6 replies ▫ PL36 PP Amplifier 22W Full construction details ▫ 07-15-2006 07:30 PM - 9 replies ▫ Quick question about the output of my amp ▫ 07-15-2006 04:23 PM - 5 replies ▫ Sansui Transformers from Tokyo Electronic Industrial Co. LTD. ▫ 07-14-2006 12:32 PM - 0 replies ▫ An "All American" tube Project ▫ 07-14-2006 05:28 AM - 4 replies ▫ Aikido and output transformer ▫ 07-14-2006 01:20 AM - 31 replies ▫ Why are Hammond SE OPTs dissed? Heavier than the competition... ▫ 07-13-2006 10:17 PM - 99 replies ▫ Driver stage headroom ▫ 07-13-2006 08:58 PM - 6 replies ▫ Help me before I deal hot electric death to myself (PS question) ▫ 07-13-2006 04:10 PM - 16 replies ▫ AVO CT-160 ▫ 07-13-2006 02:43 PM - 7 replies ▫ Two cathode resistor bypass questions ▫ 07-13-2006 02:13 PM - 17 replies ▫ Home-Made Tube Guitar Heads ▫ 07-13-2006 01:44 AM - 2 replies ▫ What do you guys think? ▫ 07-12-2006 07:15 PM - 17 replies ▫ Antique Sound Lab Aq1003 ▫ 07-12-2006 10:05 AM - 5 replies ▫ Audiomaster integrated (Valve) amp ▫ 07-12-2006 07:54 AM - 1 reply ▫ PP Amp using 811A ▫ 07-12-2006 03:23 AM - 13 replies ▫ Replacing ECC83 in Leak Stereo50 with ECC808 ▫ 07-11-2006 11:56 PM - 4 replies ▫ 6N30/6H30 Datasheet ▫ 07-11-2006 10:42 PM - 2 replies ▫ Equivalents to 6888 ▫ 07-11-2006 06:42 PM - 23 replies ▫ Input voltage ▫ 07-11-2006 06:15 PM - 2 replies

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