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 9201 to 9400 of 11907 available ▫ Tweeks on tubes - bring out the demagnetiserss ▫ 07-31-2004 07:19 AM - 36 replies ▫ Absolute. Best. Chassis. Ever. ▫ 07-29-2004 05:58 PM - 23 replies ▫ Zout adapted for 2 EL34 80W Va=560V ▫ 07-29-2004 04:37 PM - 2 replies ▫ load line - truth or fiction ▫ 07-29-2004 03:34 AM - 4 replies ▫ Best place to place bleeder resistor in a power supply? ▫ 07-29-2004 01:13 AM - 13 replies ▫ Pretty Tubes ▫ 07-28-2004 06:59 PM - 4 replies ▫ Preamp: Foreplay or 5687 or 12B4 ▫ 07-28-2004 04:17 PM - 24 replies ▫ want to make otl with 6 tung-sol 6336a ▫ 07-28-2004 04:02 PM - 9 replies ▫ 6L6'S vs EL34's ▫ 07-28-2004 10:26 AM - 8 replies ▫ Creating a headphone amp out of existing 2A3 amp ▫ 07-28-2004 05:32 AM - 9 replies ▫ What can you tell me about Halldorson transformers ▫ 07-28-2004 01:44 AM - 5 replies ▫ Mu follower, headphone amp? ▫ 07-27-2004 02:20 PM - 6 replies ▫ CROFT OTL (APPARITION MODEL) Schematics ▫ 07-27-2004 01:17 PM - 2 replies ▫ Is there a 'Gainclone' Of the tube world? ▫ 07-27-2004 03:24 AM - 28 replies ▫ Line Amp Design review ▫ 07-27-2004 12:59 AM - 14 replies ▫ Looking for a very special project ▫ 07-27-2004 12:47 AM - 8 replies ▫ Designing a LC power supply ▫ 07-26-2004 07:22 PM - 5 replies ▫ psu caps ▫ 07-26-2004 07:05 PM - 8 replies ▫ Easiest CAD to learn to layout my chassis? ▫ 07-26-2004 05:43 AM - 5 replies ▫ newbie asks question :cathode biasing ▫ 07-26-2004 03:42 AM - 9 replies ▫ mr. pimm's ccs rev.3? ▫ 07-25-2004 08:25 PM - 9 replies ▫ Audio Research LS22 - Looking for schematics ▫ 07-25-2004 07:23 PM - 0 replies ▫ Beard P100 ▫ 07-25-2004 03:33 PM - 12 replies ▫ shunt regulation?? ▫ 07-25-2004 02:05 AM - 4 replies ▫ Vitamin Q VS Jensen ▫ 07-24-2004 10:08 PM - 2 replies ▫ Mystery Russian tube logo ? ▫ 07-24-2004 07:33 PM - 4 replies ▫ Counterpoint SA-7 Schematic ▫ 07-24-2004 06:24 PM - 27 replies ▫ Dual rectification off single sencondary transformer question ▫ 07-24-2004 06:09 PM - 7 replies ▫ Night dreaming? / Middle of the night bloom ▫ 07-24-2004 03:20 PM - 54 replies ▫ Which preamp to choose for my ECC88s? ▫ 07-23-2004 06:36 PM - 13 replies ▫ looking for morgan jones phono amp schematic ▫ 07-23-2004 07:20 AM - 2 replies ▫ Amp for a beginner ▫ 07-23-2004 03:42 AM - 10 replies ▫ Question about direct coupling a anode follower into a cathode follower. ▫ 07-23-2004 01:25 AM - 45 replies ▫ On Line Tube Learning for newbies.... ▫ 07-22-2004 07:49 PM - 92 replies ▫ EL34 Vs. EL84....... ▫ 07-22-2004 07:00 PM - 1 reply ▫ New DHT heater ▫ 07-22-2004 08:21 AM - 58 replies ▫ A Career in Tube Audio? ▫ 07-22-2004 07:31 AM - 12 replies ▫ Xicon Polypropylene Cap for Valve Amp ▫ 07-22-2004 07:30 AM - 0 replies ▫ ECC99 Heater / Cathode Max Volt ▫ 07-22-2004 01:59 AM - 5 replies ▫ Replacing Tubes ▫ 07-21-2004 03:31 PM - 1 reply ▫ schematics wanted please ▫ 07-21-2004 03:02 PM - 3 replies ▫ MCUTracer -- the missing code ▫ 07-21-2004 02:05 PM - 0 replies ▫ How do you double the voltage on a PSU? ▫ 07-21-2004 12:16 AM - 17 replies ▫ EL34 tubes to Proboi M50 amp ▫ 07-20-2004 12:35 PM - 3 replies ▫ ATH-W1000 headphones need amplifier ▫ 07-20-2004 09:08 AM - 3 replies ▫ g. pimm's rev3. and rev. 4 -6P1P/5687 ??? ▫ 07-18-2004 03:26 PM - 3 replies ▫ DIY Power Brake? ▫ 07-18-2004 02:43 PM - 12 replies ▫ New EL84 SE schemat. ▫ 07-17-2004 11:48 PM - 1 reply ▫ 32 NOS RCA 1644 (12L6-GT) Twin Pentode tubes ▫ 07-17-2004 01:05 PM - 7 replies ▫ reducing hum ▫ 07-17-2004 11:18 AM - 5 replies ▫ Lafayette LA-224 ▫ 07-17-2004 10:59 AM - 3 replies ▫ Comments on RSD Tubes ▫ 07-17-2004 03:53 AM - 1 reply ▫ Tube heatsink ▫ 07-16-2004 07:27 PM - 1 reply ▫ wondering about direction ▫ 07-16-2004 05:42 PM - 1 reply ▫ An Ultra -linear question ▫ 07-16-2004 01:59 PM - 5 replies ▫ 5687 Preamp as I plan to build it. ▫ 07-15-2004 10:52 PM - 33 replies ▫ Hoekstra DC-Coupled 300B ... oooooh! ▫ 07-15-2004 08:49 PM - 11 replies ▫ 5687_6n1p_6p1p_gary pimm ▫ 07-15-2004 08:26 PM - 2 replies ▫ How lucky are we? TJ type 50 triode to be made. Make your preferences known now! ▫ 07-15-2004 02:25 PM - 3 replies ▫ Biasing DC heaters ▫ 07-15-2004 10:55 AM - 6 replies ▫ EL34 SE amp schematics ▫ 07-15-2004 07:35 AM - 8 replies ▫ Negative Voltage with Tube Rectification? ▫ 07-15-2004 06:52 AM - 7 replies ▫ Tube Amp on eBay ▫ 07-14-2004 09:33 PM - 20 replies ▫ Headphone amp with 6P41S ▫ 07-14-2004 08:09 PM - 4 replies ▫ Experiences with White CF/CCS CF output stage ▫ 07-14-2004 01:38 PM - 50 replies ▫ Holes in the anode plate? ▫ 07-14-2004 08:21 AM - 2 replies ▫ 5687 pre? ▫ 07-14-2004 07:43 AM - 13 replies ▫ tube design literature ▫ 07-14-2004 12:11 AM - 4 replies ▫ Trace Elliott schematic ▫ 07-13-2004 01:50 PM - 1 reply ▫ tube choice? ▫ 07-13-2004 01:47 PM - 3 replies ▫ Choke identity ▫ 07-13-2004 01:44 PM - 1 reply ▫ spotted this on ebay - 700w triodes anyone? ▫ 07-13-2004 10:26 AM - 8 replies ▫ HELP!!! for tube lovers ▫ 07-13-2004 09:08 AM - 7 replies ▫ How do you properly ground a Tamura OPT? ▫ 07-13-2004 05:03 AM - 2 replies ▫ Akihabara shopping ▫ 07-13-2004 02:41 AM - 12 replies ▫ Might be interested in this distortion thread ▫ 07-13-2004 02:06 AM - 9 replies ▫ PSE Active Loaded 12B4A anyone? ▫ 07-12-2004 09:51 PM - 12 replies ▫ Set 6080/6as7 ▫ 07-12-2004 06:11 AM - 34 replies ▫ solid state just isn't doing it for me!! ▫ 07-12-2004 03:28 AM - 9 replies ▫ Where can I use this tubes ▫ 07-11-2004 08:05 PM - 12 replies ▫ Interesting math conundrum. ▫ 07-11-2004 05:00 PM - 8 replies ▫ schematic from this amp 45/717a/5u4.. ▫ 07-11-2004 11:40 AM - 4 replies ▫ Strange Tube ▫ 07-11-2004 11:27 AM - 11 replies ▫ power supply help!!!! ▫ 07-10-2004 05:33 PM - 1 reply ▫ se tubeamp with px4 ▫ 07-10-2004 04:18 PM - 1 reply ▫ Fixed bias PP questions ▫ 07-10-2004 09:04 AM - 1 reply ▫ Identifying Eico transformers ▫ 07-10-2004 12:54 AM - 0 replies ▫ metal shield ▫ 07-09-2004 10:10 PM - 3 replies ▫ why multi pins ? ▫ 07-09-2004 06:43 PM - 9 replies ▫ 2A3 PSE 'Arcadia' by SJS, or sorta ▫ 07-09-2004 06:34 PM - 2 replies ▫ John Swenson's (In my eyes revolutionary) preamp! ▫ 07-09-2004 03:13 PM - 49 replies ▫ tube opamps ▫ 07-09-2004 02:24 AM - 9 replies ▫ Help please with rare tube cd player ▫ 07-08-2004 10:46 PM - 22 replies ▫ OT impedance problem ▫ 07-08-2004 08:41 PM - 2 replies ▫ Amperex 6DJ8 ▫ 07-08-2004 07:45 PM - 8 replies ▫ tiny amp ▫ 07-08-2004 06:25 PM - 6 replies ▫ 6C33 Internal Impedance (rp)? ▫ 07-08-2004 04:57 PM - 8 replies ▫ guitar preamp ▫ 07-08-2004 03:19 PM - 8 replies ▫ increasing o/p impedance to match IT?? ▫ 07-08-2004 02:24 PM - 3 replies ▫ Grundig TK-60 Reel to Reel Questions ▫ 07-08-2004 01:08 PM - 1 reply ▫ Michaelson and Austin Oddysee ▫ 07-08-2004 02:15 AM - 16 replies ▫ 6gk6 tubes ▫ 07-08-2004 01:47 AM - 2 replies ▫ Anyone know anything about a 6AV5GA? ▫ 07-07-2004 11:14 PM - 42 replies ▫ A safe (?) DC coupled amp ▫ 07-07-2004 09:47 PM - 4 replies ▫ amp in trouble ▫ 07-07-2004 09:35 PM - 22 replies ▫ how to calculate lower operating point? ▫ 07-07-2004 06:09 AM - 11 replies ▫ Anyone on the tube forum ever heard a Bride Of Zen preamp? ▫ 07-06-2004 09:41 PM - 7 replies ▫ Audio Innovations 800 mk1 ▫ 07-06-2004 09:03 PM - 0 replies ▫ Field of Dreams (a pair of FRT502 modulators) ▫ 07-06-2004 04:50 PM - 6 replies ▫ cathode follower ▫ 07-06-2004 01:46 PM - 2 replies ▫ ECC808- what is it more like? ▫ 07-06-2004 08:35 AM - 7 replies ▫ Help needed to find these rare values! ▫ 07-06-2004 08:19 AM - 43 replies ▫ New PP amp just completed - a few unusual features (long) ▫ 07-06-2004 08:00 AM - 4 replies ▫ MKP VS Electrolyte ▫ 07-06-2004 01:58 AM - 9 replies ▫ is 5mA too low??? ▫ 07-06-2004 12:47 AM - 11 replies ▫ Dynaco FM3 220v-120v ▫ 07-05-2004 09:27 PM - 7 replies ▫ does plate current/voltage effect tube sound???? ▫ 07-05-2004 04:54 PM - 10 replies ▫ Any opinions on the ECC81? ▫ 07-05-2004 04:41 PM - 6 replies ▫ #26 line stage help ▫ 07-05-2004 04:22 PM - 4 replies ▫ coupling caps? RTX vs Jupiter wax ▫ 07-05-2004 04:18 PM - 6 replies ▫ MC275 Hum Conundrum ▫ 07-04-2004 10:41 PM - 0 replies ▫ We91a ▫ 07-04-2004 08:47 PM - 36 replies ▫ Is 50 degrees C too hot? ▫ 07-04-2004 04:36 PM - 4 replies ▫ Using LEDs to bias grid voltage? ▫ 07-04-2004 01:39 PM - 12 replies ▫ DIY Hybride amplifiers ▫ 07-04-2004 07:00 AM - 21 replies ▫ wa i popped a tube lol ▫ 07-04-2004 03:47 AM - 11 replies ▫ 6C33C substitute ▫ 07-03-2004 06:21 PM - 5 replies ▫ Resistor popped...need help for replacement in Yaqin amp ▫ 07-03-2004 05:26 PM - 8 replies ▫ Check this eye candy out.... ▫ 07-03-2004 02:39 PM - 2 replies ▫ Russian 5U4GB ▫ 07-03-2004 01:31 PM - 5 replies ▫ simple phono preamp circuit needed ▫ 07-03-2004 01:20 AM - 4 replies ▫ Black gate PS capacitors ▫ 07-02-2004 04:52 PM - 12 replies ▫ amp troubles ▫ 07-02-2004 04:15 PM - 5 replies ▫ Instruments Of Amplification - DIY ▫ 07-02-2004 04:14 PM - 3 replies ▫ my EL84 pre-amp with schematic ▫ 07-02-2004 03:33 PM - 3 replies ▫ Hammond AO29 to guitar amp? ▫ 07-02-2004 12:28 PM - 1 reply ▫ Radical (insane) PSU ideas ▫ 07-02-2004 11:52 AM - 21 replies ▫ First Tube Amp Considerations... ▫ 07-02-2004 03:16 AM - 41 replies ▫ hardcore tube night light? ▫ 07-02-2004 02:58 AM - 4 replies ▫ Frankenstein tube amp ▫ 07-01-2004 09:33 PM - 6 replies ▫ Can I use this tube? ▫ 07-01-2004 07:36 PM - 3 replies ▫ help for DHT bias in PP ▫ 07-01-2004 06:15 PM - 2 replies ▫ Multiple projects ▫ 07-01-2004 05:06 PM - 11 replies ▫ recommend operating point for EL84? ▫ 07-01-2004 04:27 PM - 6 replies ▫ First time builder, need advice. ▫ 07-01-2004 03:52 PM - 26 replies ▫ Tube Depot... ▫ 07-01-2004 09:40 AM - 2 replies ▫ schematics ▫ 07-01-2004 05:05 AM - 6 replies ▫ BOGEN MX60A Schematic ▫ 07-01-2004 03:40 AM - 7 replies ▫ Help with 1626 PSE Amp needed ▫ 06-30-2004 10:32 PM - 3 replies ▫ OTL question. ▫ 06-30-2004 02:41 PM - 2 replies ▫ diy tube amp ▫ 06-30-2004 02:32 PM - 10 replies ▫ Load line for CF ▫ 06-30-2004 02:10 PM - 4 replies ▫ DIY Vacuum tube amp ▫ 06-30-2004 01:35 PM - 2 replies ▫ Hammond or James OPT for SE 300B ? ▫ 06-30-2004 12:09 PM - 25 replies ▫ PSE 6550 schematic needed ▫ 06-30-2004 10:20 AM - 7 replies ▫ Schematic for Siemens "Table" Amplifier ▫ 06-29-2004 11:51 PM - 0 replies ▫ power supply for 6922 mu follower ▫ 06-29-2004 08:18 PM - 5 replies ▫ Dead simple tube circuit ▫ 06-29-2004 08:16 PM - 1 reply ▫ Any info on a Musical Fidelity X-Pre? ▫ 06-29-2004 05:42 PM - 0 replies ▫ Autoformer CF amp ▫ 06-29-2004 04:19 PM - 11 replies ▫ 2a3 or otl on an fullrange coral ▫ 06-29-2004 01:38 PM - 5 replies ▫ My New Project Completed ▫ 06-29-2004 01:04 PM - 7 replies ▫ SE el84 ▫ 06-28-2004 03:14 PM - 10 replies ▫ Many thanks! ▫ 06-28-2004 03:14 PM - 0 replies ▫ can i use this circuit as headphone amp? ▫ 06-28-2004 08:52 AM - 1 reply ▫ Switching power supply & filament ▫ 06-28-2004 07:37 AM - 2 replies ▫ tube phono amp req'd ▫ 06-27-2004 02:55 PM - 28 replies ▫ Had a strange problem today... ▫ 06-27-2004 04:17 AM - 2 replies ▫ wsw siemens ultralinear 815 410 G !!?! ▫ 06-26-2004 05:22 PM - 6 replies ▫ Bottlehead Gear ▫ 06-25-2004 04:16 PM - 6 replies ▫ Amp, Stange temporary buzz, what is that? ▫ 06-25-2004 03:09 PM - 5 replies ▫ 2a3 schematic ▫ 06-25-2004 11:42 AM - 2 replies ▫ NEWBIE needs help-static in one channel of preamp ▫ 06-25-2004 03:51 AM - 5 replies ▫ Vintage speaker screw outs to 1/4&quot; plug ▫ 06-25-2004 03:41 AM - 1 reply ▫ Flashing EL34 ▫ 06-24-2004 06:48 PM - 31 replies ▫ Sovtek 2A3 tolerances / defected tube? ▫ 06-24-2004 07:11 AM - 5 replies ▫ Massive Parallel Operating ▫ 06-23-2004 06:48 PM - 40 replies ▫ filter circuit for 866a ▫ 06-23-2004 06:14 PM - 3 replies ▫ reasonable powered simple amp ▫ 06-23-2004 05:28 PM - 6 replies ▫ 6c19pi ? ▫ 06-23-2004 11:34 AM - 1 reply ▫ S5 Electronics 139 $ tube amp ▫ 06-23-2004 11:25 AM - 4 replies ▫ 12AU7 or 12AT7 instead of 12AX7 ? ▫ 06-23-2004 09:41 AM - 5 replies ▫ Tube Pre-Amp < $200 ▫ 06-22-2004 10:46 PM - 12 replies ▫ Modification of 2A3 SE Circuit ▫ 06-22-2004 01:20 PM - 5 replies ▫ beta followers ▫ 06-22-2004 10:10 AM - 16 replies ▫ Q: Stereo Amp / Dual PS Chokes ▫ 06-21-2004 04:01 PM - 6 replies ▫ using Mosfets as diode in PS ▫ 06-21-2004 03:10 PM - 5 replies ▫ Sonic Frontiers Power 2SE ▫ 06-21-2004 09:33 AM - 1 reply ▫ Curcio daniel ▫ 06-21-2004 03:41 AM - 2 replies ▫ Ecc89 / Ecc189 ▫ 06-20-2004 11:27 PM - 10 replies ▫ Magnavox ▫ 06-20-2004 09:51 PM - 9 replies ▫ Tube Preamp 'Clone' PCB copys on ebay (Marantz, McIntosh, etc) ▫ 06-20-2004 03:07 PM - 57 replies ▫ tube rectifier life expectancy ▫ 06-20-2004 11:09 AM - 12 replies ▫ Metal VS Glass ▫ 06-20-2004 05:29 AM - 6 replies ▫ does anybody know this transfo? ▫ 06-20-2004 12:07 AM - 24 replies ▫ need help finding tube make ▫ 06-19-2004 07:50 PM - 8 replies ▫ VTL deluxe 300 amps - adjustment question ▫ 06-19-2004 04:47 PM - 7 replies ▫ Building Marshall Plexi ▫ 06-19-2004 01:40 PM - 1 reply ▫ help converting conrad johnson MV-55 into triode! ▫ 06-19-2004 09:21 AM - 2 replies ▫ Does more tubes = more filter capacitors? ▫ 06-19-2004 12:15 AM - 3 replies

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