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  Tubes - Showing threads 7801 to 8000 of 11696 available ▫ different measurements ▫ 04-17-2005 04:18 PM - 4 replies ▫ DIY Dyna MK 2's and using bottlehead C4S ▫ 04-17-2005 01:49 PM - 7 replies ▫ Elektor ECL86 RIAA Preamp ▫ 04-17-2005 12:01 PM - 20 replies ▫ ECC88 - upgrading from Teonex - Help ? ▫ 04-16-2005 11:13 PM - 14 replies ▫ B+ problem? ▫ 04-16-2005 09:23 PM - 17 replies ▫ Realistic SAF 24c - Need some help ▫ 04-16-2005 01:40 AM - 30 replies ▫ what is the cap ▫ 04-15-2005 10:06 PM - 13 replies ▫ EAR 509 Mkii manual ▫ 04-15-2005 07:55 PM - 0 replies ▫ Where do you draw the line between tube and sand? ▫ 04-15-2005 05:02 PM - 43 replies ▫ Shinrock transformers ▫ 04-15-2005 01:24 PM - 3 replies ▫ OT: Anybody having problems getting to AA ? nt ▫ 04-15-2005 12:54 AM - 3 replies ▫ how much above B+ will voltage swing in OPT? ▫ 04-14-2005 09:34 PM - 2 replies ▫ bias meter and pot lead length ▫ 04-14-2005 01:51 PM - 2 replies ▫ 211 biasing voltages preferances ▫ 04-14-2005 06:27 AM - 3 replies ▫ Definitely NOT a Loftin-White!! ▫ 04-13-2005 10:29 PM - 7 replies ▫ Tube Headphone Amp Troubleshooting Help ▫ 04-13-2005 09:30 PM - 14 replies ▫ Val MP 211 info wanted ▫ 04-13-2005 09:59 AM - 11 replies ▫ Look for EL33 PP structure circuit ▫ 04-13-2005 09:50 AM - 14 replies ▫ Rodding Bogen CHB-10A Mono Blocks ▫ 04-12-2005 05:59 PM - 16 replies ▫ two value tube amps for active DIY horns ▫ 04-12-2005 01:42 PM - 19 replies ▫ GEC 912+ ▫ 04-12-2005 09:45 AM - 9 replies ▫ soon available as wrist watch..... ▫ 04-12-2005 09:02 AM - 5 replies ▫ Low sensitivity speakers and valvs, no nfb? ▫ 04-12-2005 08:15 AM - 10 replies ▫ Has anyone built this amp? ▫ 04-12-2005 06:49 AM - 8 replies ▫ Difference bewteen ultralinear & triode mode? ▫ 04-12-2005 01:37 AM - 10 replies ▫ 7586 nuvistor ▫ 04-11-2005 09:10 PM - 15 replies ▫ Valve Identification-Help ▫ 04-11-2005 07:20 PM - 21 replies ▫ KT 88 schematic search ▫ 04-11-2005 12:20 PM - 6 replies ▫ Bias the new power tube ▫ 04-11-2005 06:40 AM - 2 replies ▫ 6M6G Structure of the circuit ▫ 04-10-2005 07:24 PM - 2 replies ▫ I Think I Saw Heaven ! ▫ 04-10-2005 07:12 PM - 2 replies ▫ Tron Syren ▫ 04-10-2005 04:04 PM - 2 replies ▫ extremely low output ▫ 04-10-2005 12:21 PM - 10 replies ▫ project suggestion with spare trans ▫ 04-10-2005 08:10 AM - 6 replies ▫ cinema amps ▫ 04-10-2005 07:10 AM - 35 replies ▫ c3g producing sparks ▫ 04-10-2005 01:32 AM - 2 replies ▫ Where to get transformer parts? ▫ 04-09-2005 05:28 PM - 7 replies ▫ penta labs ▫ 04-09-2005 04:29 PM - 0 replies ▫ Dynaco ST70 clone ▫ 04-09-2005 12:26 PM - 8 replies ▫ anyone tried the diy paradise simple el84 pp ▫ 04-08-2005 07:11 PM - 6 replies ▫ compression? ▫ 04-08-2005 04:11 PM - 17 replies ▫ 100V trannies as valve OPT ▫ 04-08-2005 03:32 PM - 0 replies ▫ 6bm8 / Ecl82 Pse & Srpp ▫ 04-08-2005 07:11 AM - 4 replies ▫ Lowther LL26 restoration ▫ 04-08-2005 03:01 AM - 1 reply ▫ Can I trust my Valve Tester ▫ 04-08-2005 12:03 AM - 1 reply ▫ (RCA) 6SN7 GTC spec? ▫ 04-07-2005 08:12 PM - 6 replies ▫ re: need help on Counterpoint SA5.1 preamp ▫ 04-07-2005 05:15 PM - 5 replies ▫ Why no CCS in PP output stage? ▫ 04-07-2005 05:01 PM - 11 replies ▫ 811-A amp ▫ 04-07-2005 04:00 PM - 71 replies ▫ DYNACO 120W AMP for DYNA A-451 ▫ 04-07-2005 01:43 PM - 16 replies ▫ 35watts el34 amp schematic search ? ▫ 04-07-2005 11:51 AM - 3 replies ▫ tube ▫ 04-07-2005 08:32 AM - 4 replies ▫ My first design. PSE 211 to review. ▫ 04-06-2005 11:41 PM - 43 replies ▫ new 832 tubes? ▫ 04-06-2005 08:52 PM - 6 replies ▫ How to test a tube ▫ 04-06-2005 06:01 PM - 8 replies ▫ 50V line trafos for tube O/P? ▫ 04-06-2005 01:30 PM - 1 reply ▫ Distortion analysis mu follower ▫ 04-06-2005 12:53 PM - 12 replies ▫ the general radio experimenter ▫ 04-05-2005 03:54 PM - 3 replies ▫ resistor value, please ▫ 04-05-2005 10:56 AM - 8 replies ▫ PL519 PP design ▫ 04-04-2005 07:52 PM - 42 replies ▫ Dealers for output irons in EU wanted ▫ 04-04-2005 02:14 PM - 19 replies ▫ Any Twin Power triode Noval type? ▫ 04-04-2005 01:29 PM - 8 replies ▫ ARC SP9 Preamp voltages ▫ 04-03-2005 03:54 PM - 8 replies ▫ Power transformer ▫ 04-03-2005 02:08 PM - 4 replies ▫ OTL for Raven R2 ▫ 04-03-2005 11:57 AM - 4 replies ▫ passive preamp (autoformer) ▫ 04-03-2005 06:12 AM - 26 replies ▫ How fragile are Sylvania 10Y tubes? ▫ 04-03-2005 12:35 AM - 8 replies ▫ SE 6SN7/813 direct coupling ▫ 04-02-2005 09:24 PM - 5 replies ▫ Riken Ohm Vs Kiwame ▫ 04-02-2005 10:06 AM - 3 replies ▫ Advantage of Valve Preamp? ▫ 04-01-2005 10:36 AM - 7 replies ▫ SiC Schottky rectifiers. ▫ 03-31-2005 11:54 PM - 14 replies ▫ 30 W from 6c33b? ▫ 03-31-2005 03:49 PM - 5 replies ▫ Built-in bleeder in ASC? ▫ 03-31-2005 01:37 PM - 2 replies ▫ 833 and GU-48 ▫ 03-31-2005 12:58 PM - 1 reply ▫ Safety with high volts: 101 ▫ 03-31-2005 11:20 AM - 34 replies ▫ Kofi Annan in: "B+... PLUS!!!" ▫ 03-31-2005 01:00 AM - 143 replies ▫ searching for darling tubes. ▫ 03-30-2005 10:58 PM - 11 replies ▫ Audio Research LS8 scheme ▫ 03-30-2005 10:33 PM - 0 replies ▫ My new pp KT88 design ▫ 03-30-2005 09:21 PM - 41 replies ▫ Tubepreamp and Zappulse? ▫ 03-30-2005 06:16 PM - 3 replies ▫ Comments on Transcendent Sound products ▫ 03-30-2005 12:25 PM - 4 replies ▫ regaring 833se ▫ 03-30-2005 09:22 AM - 4 replies ▫ Asc Oil Capacitors ▫ 03-30-2005 04:44 AM - 5 replies ▫ Buy Tubes ▫ 03-30-2005 02:41 AM - 0 replies ▫ Placement of power amp imput resistor ▫ 03-30-2005 01:45 AM - 6 replies ▫ Brimar EL34 ▫ 03-29-2005 11:34 PM - 4 replies ▫ Elekit TU-870 ▫ 03-29-2005 02:42 PM - 1 reply ▫ Tube amplifier mods ▫ 03-29-2005 09:57 AM - 12 replies ▫ Stromberg-Carlson project ▫ 03-29-2005 07:32 AM - 49 replies ▫ How to design the straight load line for choke loaded tube ? ▫ 03-29-2005 03:03 AM - 14 replies ▫ OPT failure modes ▫ 03-29-2005 02:45 AM - 3 replies ▫ Life of tubes - what to expect? ▫ 03-29-2005 01:42 AM - 12 replies ▫ Profiteering from Gordan Rankin Designs ▫ 03-29-2005 12:41 AM - 4 replies ▫ Gain/Schematic Question ▫ 03-28-2005 08:47 PM - 2 replies ▫ Heath Distortion Measurement Set HD-1 ▫ 03-28-2005 07:44 PM - 0 replies ▫ Tube troubleshooting question ▫ 03-28-2005 06:52 PM - 1 reply ▫ Speaker tube amp with headphones ▫ 03-28-2005 06:34 PM - 6 replies ▫ mj headphone amp ▫ 03-28-2005 06:10 PM - 10 replies ▫ Gain of 6AK5 ▫ 03-28-2005 03:38 PM - 8 replies ▫ R vs. RC on secondaries ▫ 03-28-2005 10:57 AM - 7 replies ▫ My simple 5010 amplifiers ▫ 03-28-2005 12:17 AM - 5 replies ▫ constant current sources... ▫ 03-27-2005 07:58 PM - 10 replies ▫ Critical resistors ▫ 03-27-2005 09:51 AM - 5 replies ▫ Digital tube designs? ▫ 03-27-2005 09:14 AM - 2 replies ▫ 2A3 SE Amp ▫ 03-26-2005 11:43 PM - 4 replies ▫ Dact closeout ▫ 03-26-2005 11:14 PM - 0 replies ▫ Mysterious runaway output tube ▫ 03-26-2005 01:11 PM - 8 replies ▫ Ampex 351 Power Transformer ▫ 03-26-2005 04:21 AM - 1 reply ▫ better the Pass camp? ▫ 03-25-2005 02:18 PM - 6 replies ▫ My first tube amp kit. ▫ 03-25-2005 09:42 AM - 2 replies ▫ Plate Resistor ▫ 03-24-2005 10:41 PM - 4 replies ▫ EZ81 tube rectifier ▫ 03-24-2005 07:50 PM - 13 replies ▫ 4K:10K interstage ▫ 03-24-2005 04:34 PM - 0 replies ▫ DIY in New York City ▫ 03-24-2005 12:08 PM - 2 replies ▫ can I tone control the Peavey Classic 60/60 ▫ 03-24-2005 03:32 AM - 2 replies ▫ dead project, new life? ▫ 03-24-2005 02:32 AM - 4 replies ▫ Guitar overdriven preamp schematics? ▫ 03-24-2005 02:17 AM - 4 replies ▫ Interesting Read On 300B's ▫ 03-24-2005 12:31 AM - 7 replies ▫ Low voltage tubes ▫ 03-23-2005 04:55 PM - 4 replies ▫ Perser SA20 Restoration ▫ 03-23-2005 03:02 PM - 11 replies ▫ IP headroom with LTP splitter ▫ 03-23-2005 02:33 AM - 8 replies ▫ Triode strapping 6l6gc PP ▫ 03-23-2005 02:15 AM - 5 replies ▫ Question on design ▫ 03-23-2005 12:43 AM - 10 replies ▫ Peavey Classic 60/60 bias mod advice ▫ 03-23-2005 12:30 AM - 5 replies ▫ pin outs on Hammond tube amp? ▫ 03-22-2005 08:40 PM - 0 replies ▫ cathode follower ▫ 03-22-2005 04:42 PM - 6 replies ▫ Positive feedback online issue #16 ▫ 03-22-2005 11:25 AM - 0 replies ▫ el84 help ▫ 03-22-2005 10:54 AM - 14 replies ▫ RIAA help ▫ 03-22-2005 02:29 AM - 4 replies ▫ Advise for my first tube amplifier, please ▫ 03-22-2005 01:25 AM - 7 replies ▫ My 50/10Y amp with hybrid PSU... am I doing the standby switch right? ▫ 03-22-2005 12:18 AM - 6 replies ▫ What can I build with this iron? ▫ 03-22-2005 12:00 AM - 7 replies ▫ Hey Planet_10 (and others) ▫ 03-21-2005 10:44 PM - 45 replies ▫ Tube sockets for Harmon-K Citation II ▫ 03-21-2005 01:30 PM - 4 replies ▫ Seeking a source for Mundorf M-caps. ▫ 03-21-2005 04:47 AM - 2 replies ▫ Question on ZZ-1000/8228 ▫ 03-21-2005 02:00 AM - 0 replies ▫ noise analysis ▫ 03-21-2005 12:03 AM - 5 replies ▫ Using latching signal relay in SE guitar amp. ▫ 03-20-2005 08:49 PM - 3 replies ▫ Help wanted with fixing french DRG valve preamp.... ▫ 03-20-2005 08:15 PM - 0 replies ▫ How hot are they supposed to get? ▫ 03-20-2005 06:49 PM - 2 replies ▫ EF86 Triode Mode ▫ 03-20-2005 04:05 PM - 4 replies ▫ Using a 6SL7 in a tube overdrive pedal instead of 12AX7? ▫ 03-20-2005 03:34 PM - 5 replies ▫ Guitar Amp Question!!!!! Adding Film Cap? ▫ 03-20-2005 01:06 PM - 11 replies ▫ naive questions ▫ 03-20-2005 10:03 AM - 3 replies ▫ Rozenblits Grounded grid preamp layout ▫ 03-19-2005 11:17 PM - 15 replies ▫ Help extend the life of my 805's ▫ 03-19-2005 09:33 PM - 5 replies ▫ Difference between 5687, 5687WA and 5687WB tubes? ▫ 03-19-2005 04:35 PM - 23 replies ▫ The first tube "integrated circuit" (1926) ▫ 03-19-2005 12:44 PM - 3 replies ▫ Fix loose connection in base with solder pot? ▫ 03-19-2005 06:49 AM - 2 replies ▫ 91a 300b conversion to 2a3 ▫ 03-18-2005 11:33 PM - 8 replies ▫ Adams Amp Discussion, please help! :) ▫ 03-18-2005 08:12 PM - 30 replies ▫ Had a bad accident with my TT21 today. ▫ 03-18-2005 05:39 PM - 14 replies ▫ Different sound for CD Tube Player ▫ 03-18-2005 04:54 PM - 3 replies ▫ Tube audio transformer ▫ 03-18-2005 04:47 PM - 19 replies ▫ Hybrid Srpp ▫ 03-18-2005 08:34 AM - 17 replies ▫ "it is just SO hard to get bad sound from EL84 PP amp" ▫ 03-18-2005 05:03 AM - 34 replies ▫ Wire types?? ▫ 03-17-2005 10:56 PM - 5 replies ▫ triode vs. pentode for pp output. ▫ 03-17-2005 07:17 PM - 1 reply ▫ 6GK5 vs. EC95/6ER5 ▫ 03-17-2005 04:14 PM - 1 reply ▫ 25BQ6GTB?? Any Good? ▫ 03-17-2005 04:12 PM - 5 replies ▫ do pp output tubes have to be matched? ▫ 03-16-2005 09:15 PM - 12 replies ▫ Ampex 600 pre ▫ 03-16-2005 08:49 PM - 0 replies ▫ line-stage preamp tubes? which ones to use... ▫ 03-16-2005 07:17 PM - 12 replies ▫ Another timekiller project ▫ 03-16-2005 03:14 PM - 13 replies ▫ 6sn7GT ▫ 03-16-2005 01:59 PM - 11 replies ▫ problem with EL84 PP amp ▫ 03-16-2005 08:56 AM - 1 reply ▫ a speaker whose load varies too much for an OTL ▫ 03-16-2005 01:32 AM - 5 replies ▫ Mystery manufacturer/distributor ▫ 03-16-2005 01:06 AM - 3 replies ▫ 37s Anyone? ▫ 03-15-2005 11:59 PM - 0 replies ▫ sv811-10 push pull ▫ 03-15-2005 05:29 PM - 0 replies ▫ 416B dangerous tube? ▫ 03-15-2005 03:37 PM - 8 replies ▫ blew my amp because of distortion pedal ▫ 03-15-2005 02:39 PM - 3 replies ▫ Help with Tube Phono Output Impedance ▫ 03-15-2005 03:24 AM - 2 replies ▫ Minimum current for choke operation ▫ 03-15-2005 01:16 AM - 7 replies ▫ stored energy in output transformer? ▫ 03-15-2005 12:54 AM - 4 replies ▫ socket mounting depth ▫ 03-14-2005 10:48 PM - 10 replies ▫ Parafeeding a push pull ▫ 03-14-2005 06:51 PM - 3 replies ▫ Different direct heating styles? ▫ 03-14-2005 01:42 PM - 7 replies ▫ The most simple tube preamp ▫ 03-14-2005 06:54 AM - 19 replies ▫ Sample/hold DC servo circuit ▫ 03-14-2005 05:41 AM - 7 replies ▫ Interstage transformer as OPT? ▫ 03-14-2005 05:17 AM - 10 replies ▫ What can you do with cheap 1kV power? ▫ 03-14-2005 04:42 AM - 11 replies ▫ Marshall Super Lead MkII ▫ 03-13-2005 03:28 PM - 5 replies ▫ Flashing Rectifier Tube- Bad Thing? ▫ 03-12-2005 11:30 PM - 46 replies ▫ Amp for my speakers, PLEASE Help ▫ 03-12-2005 10:30 PM - 3 replies ▫ suitable preamp for a tube amp (kt88+12ax7) ▫ 03-12-2005 10:08 PM - 6 replies ▫ anyone know of a kit to make tube night light? ▫ 03-12-2005 07:34 PM - 7 replies ▫ Sprague capasitor id ▫ 03-12-2005 07:30 PM - 7 replies ▫ Question on Tango XE-20S ▫ 03-12-2005 03:16 PM - 7 replies ▫ 6SL7 diff pair - how to set up???? ▫ 03-12-2005 11:15 AM - 24 replies ▫ Hwat should be the best driver for a 520V2 ? ▫ 03-12-2005 10:53 AM - 3 replies ▫ problem: half power on push-pull ? ▫ 03-11-2005 11:23 PM - 5 replies ▫ Screen voltage - standby cut (Roland Bolt 60) ▫ 03-11-2005 09:12 PM - 4 replies ▫ Triode Dick/FdeGrove 2A3 PP amplifier ▫ 03-11-2005 07:07 PM - 23 replies ▫ PSU for perusal ▫ 03-11-2005 05:49 PM - 6 replies ▫ Kt66 Gec Replica ▫ 03-11-2005 10:04 AM - 12 replies ▫ 6as7 ▫ 03-11-2005 06:27 AM - 2 replies ▫ Please confirm my transformer math. ▫ 03-10-2005 11:52 PM - 7 replies ▫ Anything wrong with this design? ▫ 03-10-2005 09:00 PM - 4 replies ▫ Buffer Line Pre-Amp Power Tx ▫ 03-10-2005 04:56 PM - 0 replies

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