| Tubes - Showing threads 8401 to 8600 of 11638 available |
▫ Magic Gu15 ▫ 12-05-2004 02:06 AM - 0 replies
▫ Help identifing RCA transformer ▫ 12-04-2004 05:38 PM - 1 reply
▫ Problem with tube overheating. PLEASE HELP ▫ 12-04-2004 04:41 PM - 0 replies
▫ Battery powered phono. ▫ 12-04-2004 03:02 PM - 6 replies
▫ Ancient Valve Amp and Rola Speaker PLEASE HELP! ▫ 12-04-2004 10:07 AM - 25 replies
▫ converting Heathkit AA-191 to a guitar amp ▫ 12-04-2004 07:32 AM - 1 reply
▫ Has anyone used a triode as a shunt regulator? ▫ 12-04-2004 01:21 AM - 10 replies
▫ EL84 SE design recommendations? ▫ 12-04-2004 12:13 AM - 193 replies
▫ need a good low parts phono tube preamp schematic.... ▫ 12-03-2004 03:44 AM - 21 replies
▫ Shunt Feedback - effect on input impedance ▫ 12-03-2004 02:50 AM - 12 replies
▫ searching bogen db10a schematic ▫ 12-02-2004 11:36 PM - 1 reply
▫ Swinging choke? ▫ 12-02-2004 09:57 PM - 6 replies
▫ Schematic help. (thread split) ▫ 12-02-2004 07:47 PM - 6 replies
▫ Playing with a Magic Eye. ▫ 12-02-2004 04:58 PM - 7 replies
▫ A music coming from component. ▫ 12-02-2004 02:15 PM - 15 replies
▫ DIY meeting in Belgium ? ▫ 12-02-2004 07:31 AM - 3 replies
▫ EL34 Push Pull weirdness ▫ 12-02-2004 06:08 AM - 32 replies
▫ Balancing DC-coupled differential stages ▫ 12-02-2004 03:42 AM - 11 replies
▫ Jadis JPS 2 schematic ▫ 12-01-2004 02:33 AM - 0 replies
▫ Leak Stereo20 rebuild ? ▫ 11-30-2004 08:18 PM - 16 replies
▫ Vintage amp rebuild advice ▫ 11-30-2004 05:27 PM - 5 replies
▫ simple 6v6 push-pull schematic ? ▫ 11-30-2004 02:11 PM - 6 replies
▫ valve newbie; 6H1H pre-amp. ▫ 11-30-2004 12:30 PM - 18 replies
▫ Polyprops as cathode bypass ▫ 11-30-2004 11:45 AM - 10 replies
▫ Eventual 300B advice welcome! ▫ 11-30-2004 02:11 AM - 37 replies
▫ Thinking about getting into Tubes, any kit recommendations? ▫ 11-29-2004 08:49 PM - 20 replies
▫ Another Mullard 5-20. ▫ 11-29-2004 08:11 PM - 3 replies
▫ Subbing EL86 (6CW5) for EL84 ▫ 11-29-2004 07:51 PM - 6 replies
▫ Valve Warmer/Distortion PCB ▫ 11-29-2004 05:35 PM - 3 replies
▫ Having a problem with building this 6C45 PP amp. ▫ 11-29-2004 05:35 PM - 8 replies
▫ Blue glow in tube. Is the tube dead or not? ▫ 11-29-2004 02:42 PM - 35 replies
▫ Repairing VTL TL2.5 ▫ 11-29-2004 10:47 AM - 4 replies
▫ Another ECL86 (integrated this time) ▫ 11-28-2004 08:51 PM - 2 replies
▫ CJ MV55 triode mode ▫ 11-28-2004 07:48 PM - 1 reply
▫ Mullard 20W Amp ▫ 11-28-2004 03:45 PM - 2 replies
▫ Pro Model Tubes,for example Avalon ▫ 11-28-2004 10:12 AM - 9 replies
▫ How to find out which is which???? ▫ 11-28-2004 04:15 AM - 2 replies
▫ Matching a preamp to high output impedance source ▫ 11-28-2004 02:45 AM - 5 replies
▫ VSE PP1 driver stage ▫ 11-27-2004 11:03 PM - 4 replies
▫ Thordarson Choke type 1-8C42 ▫ 11-27-2004 04:47 PM - 5 replies
▫ Ediswan ECL86 datasheet wanted. ▫ 11-27-2004 11:53 AM - 2 replies
▫ Minimal approach with hybrid rectification: Is this possible? ▫ 11-27-2004 12:21 AM - 19 replies
▫ SS vs. Tube Rectification (and chokes)? ▫ 11-26-2004 04:04 PM - 48 replies
▫ Biasing a guitar amp for distortion ▫ 11-26-2004 01:28 PM - 26 replies
▫ Help wanted on SRPP preamp ▫ 11-26-2004 08:28 AM - 8 replies
▫ New Pas Question no photos ▫ 11-26-2004 06:29 AM - 5 replies
▫ amp-schematic questions... ▫ 11-25-2004 07:50 PM - 4 replies
▫ 5902 subminiature audio pentode ▫ 11-25-2004 06:21 PM - 9 replies
▫ TPP versus PSE. ▫ 11-25-2004 02:25 PM - 11 replies
▫ my fun.... ▫ 11-25-2004 12:19 PM - 2 replies
▫ Schematic for Siemens F2a tube amp ▫ 11-25-2004 11:47 AM - 5 replies
▫ Snubber ▫ 11-25-2004 02:26 AM - 13 replies
▫ Which preamp ? ▫ 11-24-2004 08:17 PM - 0 replies
▫ Distortion+low volume.. ▫ 11-24-2004 10:23 AM - 5 replies
▫ JJ Tesla ▫ 11-24-2004 08:55 AM - 3 replies
▫ Dynaco Pas ▫ 11-24-2004 02:05 AM - 12 replies
▫ feedback resistor ▫ 11-23-2004 07:26 PM - 3 replies
▫ Grid stoppers? ▫ 11-23-2004 06:54 PM - 14 replies
▫ Transcendent T8 with 12 output tubes ▫ 11-23-2004 03:13 PM - 1 reply
▫ Can anyone recommend a good buffer circuit ▫ 11-23-2004 03:03 PM - 9 replies
▫ happy with my MC-25 ▫ 11-23-2004 02:59 PM - 2 replies
▫ A building block approach to valve amp design ▫ 11-23-2004 05:16 AM - 10 replies
▫ math quiz- input z triode amp ▫ 11-23-2004 01:52 AM - 7 replies
▫ Need help in circuit analysis ▫ 11-23-2004 01:42 AM - 6 replies
▫ learning how to do this ▫ 11-23-2004 01:27 AM - 1 reply
▫ 5687 and ccs? ▫ 11-22-2004 11:07 PM - 75 replies
▫ Improving damping factor for OTL ▫ 11-22-2004 01:49 PM - 1 reply
▫ Solid State delay on turn on relay. ▫ 11-22-2004 11:28 AM - 15 replies
▫ output transformer 9030/3 ▫ 11-22-2004 08:22 AM - 0 replies
▫ Dynaco MKIII: new power cord ▫ 11-22-2004 06:46 AM - 1 reply
▫ 50C5 add-on amp ▫ 11-22-2004 06:46 AM - 7 replies
▫ Finished my stereo amp!! ▫ 11-22-2004 02:00 AM - 5 replies
▫ spl for 300b, kt88 ▫ 11-22-2004 01:02 AM - 4 replies
▫ 2A3 tube review ▫ 11-21-2004 11:37 PM - 8 replies
▫ Audio Transformer Query ▫ 11-21-2004 11:12 PM - 0 replies
▫ Lafayette Phono preamp. ▫ 11-21-2004 07:50 PM - 15 replies
▫ Power transformer help ▫ 11-21-2004 06:43 PM - 2 replies
▫ EL84 SE question ▫ 11-21-2004 04:12 PM - 6 replies
▫ Pop/crackle in one channel ▫ 11-20-2004 09:08 PM - 16 replies
▫ 6GM8 Operating Point ▫ 11-20-2004 08:37 PM - 2 replies
▫ Propper grounding. ▫ 11-20-2004 08:27 PM - 5 replies
▫ EL34 plate glowing? ▫ 11-20-2004 07:21 PM - 13 replies
▫ wavlength audio cardinal ▫ 11-20-2004 04:49 PM - 30 replies
▫ help for tube noob ▫ 11-20-2004 11:16 AM - 20 replies
▫ Placing the powertransformer ▫ 11-20-2004 10:29 AM - 13 replies
▫ Tube audio periodicals ▫ 11-20-2004 07:20 AM - 11 replies
▫ PSU Question ▫ 11-20-2004 01:32 AM - 1 reply
▫ AudioInnovation 400 ▫ 11-19-2004 11:01 AM - 4 replies
▫ c3g connections ▫ 11-19-2004 08:36 AM - 7 replies
▫ 6c33c-b Se ▫ 11-19-2004 08:35 AM - 3 replies
▫ tube preamp distortion ▫ 11-18-2004 11:11 PM - 5 replies
▫ What do you guys use to drill holes on chassis?? ▫ 11-18-2004 06:45 PM - 48 replies
▫ S.E Problem.Urgent help Please! ▫ 11-18-2004 10:06 AM - 8 replies
▫ 6CA7, El34 or 5881? ▫ 11-18-2004 09:44 AM - 5 replies
▫ svetlana tubes ▫ 11-17-2004 11:20 PM - 6 replies
▫ 18C51 tube help! ▫ 11-17-2004 09:48 PM - 4 replies
▫ Power Tubes ▫ 11-17-2004 01:29 PM - 6 replies
▫ OTL PS question!! ▫ 11-17-2004 10:17 AM - 23 replies
▫ suggestions for the "lowest noise" pentode ▫ 11-17-2004 06:15 AM - 6 replies
▫ drd c3g/300b - help needed ▫ 11-17-2004 01:07 AM - 15 replies
▫ tubecad is back ▫ 11-16-2004 07:05 AM - 7 replies
▫ Happy birthday to tubes. Happy birthday to tubes. ! ▫ 11-16-2004 05:51 AM - 4 replies
▫ Anyone used...gulp...kitparts.com? ▫ 11-16-2004 04:55 AM - 26 replies
▫ Grounding the Decware Se84sc ▫ 11-15-2004 10:35 PM - 1 reply
▫ Rogers Cadet III Schematics ▫ 11-15-2004 07:35 PM - 23 replies
▫ OTL amp help ▫ 11-15-2004 06:45 PM - 12 replies
▫ most simple design ▫ 11-15-2004 03:14 PM - 4 replies
▫ modify eagle el84 for guitar ▫ 11-15-2004 01:22 PM - 7 replies
▫ Please verify this circuit, is correct?? ▫ 11-15-2004 11:24 AM - 0 replies
▫ EL509 vs EL519 ▫ 11-15-2004 07:05 AM - 3 replies
▫ EF 91 / Z77 Amp? help needed for newbie ▫ 11-15-2004 06:55 AM - 1 reply
▫ Heathkit AA-181 schematic needed ▫ 11-15-2004 06:55 AM - 0 replies
▫ buzzing ST-70...plea for help ▫ 11-15-2004 04:11 AM - 15 replies
▫ Zen se-84cs question............ ▫ 11-15-2004 02:01 AM - 13 replies
▫ Help with transformer ▫ 11-14-2004 09:01 PM - 8 replies
▫ 211 or EL34Triode? ▫ 11-14-2004 01:29 PM - 6 replies
▫ bootstrapping two SE transformers into a pp one? ▫ 11-14-2004 07:40 AM - 8 replies
▫ Gary Pimm's battery biased mosfet cccs ▫ 11-14-2004 06:59 AM - 6 replies
▫ PSU for SRPP - Voltage or Current Regulator? ▫ 11-13-2004 11:20 PM - 4 replies
▫ MC-30 rebuild, any ideas? ▫ 11-13-2004 01:21 PM - 18 replies
▫ ls-37 MM/MC RIAA Phono Amp from diyclub.biz ▫ 11-13-2004 01:09 PM - 2 replies
▫ Amorphous core transformers only work above 20KHz? ▫ 11-12-2004 11:32 PM - 12 replies
▫ Help with component layout? ▫ 11-12-2004 10:26 PM - 0 replies
▫ Output Transformer Sizing? ▫ 11-12-2004 07:15 PM - 6 replies
▫ PSU worries... ▫ 11-12-2004 06:39 PM - 3 replies
▫ 6BL7 as output tube for low power SE amp? ▫ 11-12-2004 03:56 PM - 10 replies
▫ advice for 6L6GC P-P amp ▫ 11-12-2004 02:22 PM - 21 replies
▫ need some info in a UTC s-16? anyone! ▫ 11-12-2004 08:09 AM - 1 reply
▫ 2A3 power supply transformer ▫ 11-11-2004 08:42 PM - 6 replies
▫ Hi-Bass button ▫ 11-11-2004 06:12 PM - 3 replies
▫ Searching for my first tube amp ▫ 11-11-2004 03:35 PM - 10 replies
▫ Which phono preamp ? ▫ 11-11-2004 08:11 AM - 5 replies
▫ potted transformers ▫ 11-11-2004 07:09 AM - 24 replies
▫ chokes and power supplies ▫ 11-11-2004 03:11 AM - 2 replies
▫ Heathkit A7 ? ▫ 11-10-2004 05:44 PM - 4 replies
▫ Best tweeter amp ▫ 11-09-2004 03:21 PM - 24 replies
▫ Should I use a cathode capacitor in my SE amp? ▫ 11-09-2004 08:49 AM - 5 replies
▫ Help, Just Starting Out ▫ 11-09-2004 07:10 AM - 12 replies
▫ JJ Tesla ECC99 spice model ▫ 11-09-2004 02:54 AM - 15 replies
▫ Newbie to tubes, what can they handle? ▫ 11-09-2004 12:42 AM - 3 replies
▫ Quicksilver rectifier ▫ 11-08-2004 01:30 PM - 2 replies
▫ SE amp question ▫ 11-08-2004 12:49 PM - 5 replies
▫ yaqin mc10k ▫ 11-08-2004 10:35 AM - 33 replies
▫ Hello again, plus a couple of Q`s. ▫ 11-08-2004 09:35 AM - 23 replies
▫ My first home audio amp. ▫ 11-08-2004 05:06 AM - 9 replies
▫ Boostrapping? ▫ 11-08-2004 12:08 AM - 8 replies
▫ KT88 budget- Sovtek, Valve Art, EH? ▫ 11-07-2004 09:18 PM - 4 replies
▫ Tube Bass Amp Schematic ▫ 11-07-2004 08:06 AM - 2 replies
▫ looking for schematic with 6em7 as a driver or... ▫ 11-07-2004 12:40 AM - 3 replies
▫ Multi-Channel Contol Unit ▫ 11-06-2004 07:30 AM - 10 replies
▫ TAD-EL84-STR experience? ▫ 11-06-2004 06:46 AM - 0 replies
▫ OTL question ▫ 11-05-2004 12:39 PM - 1 reply
▫ Headphone amp completed ▫ 11-05-2004 03:30 AM - 1 reply
▫ Good SET for newbie ▫ 11-05-2004 03:20 AM - 3 replies
▫ 6n1p simpl(ish) design ▫ 11-04-2004 08:20 PM - 47 replies
▫ Short list of DIY tube amps with PCBs available... ▫ 11-04-2004 07:16 PM - 8 replies
▫ Parallel feed (choke load) in output stage ▫ 11-03-2004 08:56 PM - 27 replies
▫ Few general question for starter? ▫ 11-03-2004 01:30 PM - 8 replies
▫ winding a simple PP output transformer ▫ 11-03-2004 11:28 AM - 28 replies
▫ Cats prefer 12E1's ▫ 11-03-2004 10:22 AM - 24 replies
▫ Tube vicinity heat problems(maybe?) ▫ 11-02-2004 02:17 PM - 4 replies
▫ Help me design pre-amp PS ▫ 11-02-2004 02:28 AM - 7 replies
▫ Power Amplifier With EL 34 ▫ 11-02-2004 12:02 AM - 4 replies
▫ psu design problem ▫ 11-01-2004 11:49 PM - 4 replies
▫ Anyone have info about Jukka Tolonen? ▫ 11-01-2004 08:38 PM - 4 replies
▫ What do you think about this hybrid amp? ▫ 11-01-2004 05:09 PM - 11 replies
▫ Power supplies in mic tube preamps ▫ 11-01-2004 01:02 PM - 5 replies
▫ Hammond 1629SE ▫ 10-31-2004 06:12 AM - 0 replies
▫ 41 Valve Amp? vs 45 ▫ 10-31-2004 05:12 AM - 1 reply
▫ DeWald M-1200 ▫ 10-31-2004 12:39 AM - 0 replies
▫ Jansen Bassman 50 ▫ 10-30-2004 11:03 PM - 15 replies
▫ Pilot AA-903B Tube Amp ▫ 10-30-2004 07:22 PM - 10 replies
▫ MC225 schematic needed ▫ 10-30-2004 07:19 PM - 3 replies
▫ Can you make a +/- supply with valve rectification ? ▫ 10-30-2004 05:28 PM - 3 replies
▫ Audio Innovations Series 500 problems ▫ 10-30-2004 10:54 AM - 29 replies
▫ Big, Heavy, Tube regulated Lambda Power supply ▫ 10-30-2004 06:01 AM - 8 replies
▫ Audio Note DAC Output Transformer Hookup ▫ 10-30-2004 01:12 AM - 0 replies
▫ Got some tubes, help me properly evaluate them ▫ 10-29-2004 12:13 PM - 8 replies
▫ current flow, which direction? ▫ 10-29-2004 06:45 AM - 16 replies
▫ Tube flashes upon turn on, why? ▫ 10-29-2004 02:11 AM - 15 replies
▫ Odd hum problem ▫ 10-29-2004 12:41 AM - 2 replies
▫ DHT and resistors in parallel w/ heater ▫ 10-28-2004 11:17 PM - 13 replies
▫ Presenting the "Fartbottle" deluxe. ▫ 10-28-2004 03:25 PM - 10 replies
▫ amp mod ▫ 10-28-2004 02:21 PM - 3 replies
▫ Need info about rare Siemens Cf "post tube" ▫ 10-28-2004 02:04 PM - 3 replies
▫ Tube defect - What is the problem. ▫ 10-28-2004 01:36 PM - 2 replies
▫ el84 amp ▫ 10-28-2004 01:11 PM - 86 replies
▫ VIETA A-215 Schematics ▫ 10-28-2004 05:36 AM - 0 replies
▫ 6AR6/6098 ultralinear ▫ 10-28-2004 12:59 AM - 6 replies
▫ Tube kit for beginner ▫ 10-27-2004 11:44 PM - 3 replies
▫ earthing!!!!!!!!!! ▫ 10-27-2004 06:44 PM - 48 replies
▫ Heating only one half of a double triode ▫ 10-27-2004 03:13 PM - 9 replies
▫ Quick question regarding PSU Designer II ▫ 10-27-2004 03:08 PM - 5 replies
▫ calculate +B in EL34 SE triode conect ▫ 10-27-2004 01:30 PM - 18 replies
▫ Help with driver transformer ▫ 10-27-2004 11:59 AM - 0 replies
▫ Tube buffer for a cd player ▫ 10-27-2004 05:43 AM - 13 replies
▫ VSE riaa equalizer phono stage ▫ 10-26-2004 09:26 PM - 16 replies
▫ AC or DC Heater? ▫ 10-26-2004 09:08 PM - 2 replies
▫ looking for a good valve amp to fix ▫ 10-26-2004 08:49 PM - 0 replies
▫ Best operating point for 7044 and 5687 ▫ 10-26-2004 05:21 PM - 7 replies
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