| Tubes - Showing threads 1 to 200 of 11279 available |
▫ Help diagnosing phase-splitter ▫ Today, at 11:50 AM - 0 replies
▫ question about Bruce's GGP preamp ▫ Yesterday, at 11:54 PM - 1 reply
▫ Rickenbacher amp HELP!!! ▫ Yesterday, at 05:33 PM - 1 reply
▫ interpreting max. values listed in datasheet ▫ Yesterday, at 04:30 PM - 5 replies
▫ zenith mlt 15 console record player problem ▫ Yesterday, at 04:01 PM - 3 replies
▫ ORIENTED or Not ORIENTED cores for OPT ▫ Yesterday, at 02:19 PM - 6 replies
▫ Guitar amp recommendation ▫ Yesterday, at 08:15 AM - 18 replies
▫ Audio Research SP-3-A-1 modified......... ▫ Yesterday, at 06:40 AM - 0 replies
▫ Tube heaters in series. ▫ Yesterday, at 02:10 AM - 4 replies
▫ Output transformer listening impressions? ▫ 07-02-2008 09:36 PM - 7 replies
▫ Tube buffer 6H6P after a DAC ▫ 07-02-2008 08:42 PM - 0 replies
▫ S-5 K16LS in enclosure - Pics ▫ 07-02-2008 07:54 PM - 10 replies
▫ Time to mourn the death of Broskie's Tube CAD blog? ▫ 07-02-2008 05:33 PM - 7 replies
▫ 6N6P preamp ▫ 07-02-2008 12:32 PM - 2 replies
▫ our Preamplifier using 2J27S tubes ▫ 07-02-2008 07:11 AM - 0 replies
▫ dc filament design question ▫ 07-02-2008 03:35 AM - 9 replies
▫ 6AV6A for meter driver ▫ 07-01-2008 10:32 PM - 4 replies
▫ AC wiring heaters, A or B ? ▫ 07-01-2008 08:13 PM - 9 replies
▫ Aikido preamp muting ▫ 07-01-2008 12:06 PM - 2 replies
▫ Help! New Yaoin MC-100B with intermittent crackling noise from speakers ▫ 07-01-2008 11:10 AM - 1 reply
▫ hummming YAHA ▫ 07-01-2008 05:58 AM - 0 replies
▫ leave a variac on all the time! ▫ 07-01-2008 03:22 AM - 1 reply
▫ More triodes ▫ 07-01-2008 02:56 AM - 3 replies
▫ Full Wave Rectifier ▫ 06-30-2008 07:33 PM - 6 replies
▫ Blowing B+ fuse ▫ 06-30-2008 01:41 PM - 5 replies
▫ PSRR of CF w/ CCS Sink ▫ 06-30-2008 11:25 AM - 7 replies
▫ MENG Series "EL34B" Integrated Amplifier ▫ 06-30-2008 06:29 AM - 1 reply
▫ Concertina Parafeed, or How to mess with OldEurope's mind... ▫ 06-30-2008 03:52 AM - 20 replies
▫ Phono stage success! ▫ 06-30-2008 02:48 AM - 10 replies
▫ A few pretty pictures and an ugly picture ▫ 06-30-2008 12:28 AM - 7 replies
▫ Rectifier with slow start up? ▫ 06-29-2008 11:48 PM - 17 replies
▫ Calibrating an emission tester ▫ 06-29-2008 07:53 PM - 5 replies
▫ What is this? ▫ 06-29-2008 07:02 PM - 10 replies
▫ 4XKT88 drive ▫ 06-29-2008 03:37 PM - 12 replies
▫ EL84 driven 2a3 ▫ 06-29-2008 02:59 PM - 3 replies
▫ need suggestions for "standarizing" tube gain stages ▫ 06-29-2008 05:02 AM - 9 replies
▫ How long until someone tries ▫ 06-28-2008 11:38 PM - 19 replies
▫ Hickok Photo History - hidden web gem! ▫ 06-28-2008 10:52 PM - 0 replies
▫ Common Audio Tubes in standard use ▫ 06-28-2008 06:39 PM - 10 replies
▫ tango input transformer NN-6 ▫ 06-28-2008 02:41 PM - 1 reply
▫ Filmosound dual pot ▫ 06-28-2008 01:59 PM - 3 replies
▫ Hi power Moskido with A/B output Bias ▫ 06-28-2008 01:50 PM - 0 replies
▫ how easy to make tube amp? ▫ 06-28-2008 01:25 PM - 4 replies
▫ replacing tone stack in tube pa for guitar ▫ 06-28-2008 12:22 PM - 3 replies
▫ metal film resistors or carbon? ▫ 06-28-2008 09:55 AM - 2 replies
▫ Quad II tubes replacement ▫ 06-28-2008 09:10 AM - 0 replies
▫ Sirius & FM ▫ 06-28-2008 03:48 AM - 7 replies
▫ Portable Tube/Hybrid Headphone Amp ▫ 06-27-2008 07:43 PM - 0 replies
▫ Can someone look at a Counterpoint SA7 for me? ▫ 06-27-2008 05:23 PM - 0 replies
▫ The Wintersweet High-Vividity Project ▫ 06-27-2008 05:39 AM - 1 reply
▫ loftin white 801 amp ▫ 06-27-2008 03:18 AM - 14 replies
▫ Pics of unique design of amp chassis? ▫ 06-26-2008 06:41 PM - 27 replies
▫ Heathkit AA-32 modifications / upgrades ▫ 06-26-2008 04:56 PM - 4 replies
▫ Tango XE-20S Specification ▫ 06-26-2008 02:27 PM - 1 reply
▫ Question about Edcor output transformer ▫ 06-26-2008 02:00 PM - 8 replies
▫ SE EL84 output stage? ▫ 06-26-2008 02:00 PM - 2 replies
▫ New ST-70 Driver board from Blackburn Audio ▫ 06-26-2008 12:46 PM - 11 replies
▫ Transformer primary rating question ▫ 06-26-2008 05:34 AM - 2 replies
▫ Heathkit A7(c?) Rebuild ▫ 06-26-2008 04:40 AM - 5 replies
▫ Rewiring a socket to take 6GK6 instead of 6BQ5 ▫ 06-26-2008 03:25 AM - 3 replies
▫ Another Simple SE builder ▫ 06-26-2008 01:19 AM - 5 replies
▫ 317 CCS Question ▫ 06-25-2008 04:54 AM - 14 replies
▫ Active filter design software ▫ 06-25-2008 02:21 AM - 18 replies
▫ Larry Moore 10Y Squared ▫ 06-25-2008 02:10 AM - 5 replies
▫ Do you hear “pop” when you turn off your amp? ▫ 06-24-2008 02:18 PM - 16 replies
▫ Filmosound - Guitar - Ground ▫ 06-24-2008 12:33 AM - 5 replies
▫ Simple tube phono stage ▫ 06-23-2008 11:34 PM - 8 replies
▫ Submini Headphone Amp Help ▫ 06-23-2008 11:27 PM - 17 replies
▫ Coupling caps for Simple SE? ▫ 06-23-2008 05:33 PM - 1 reply
▫ Tube phono amp repair/redesign help wanted ▫ 06-23-2008 03:43 PM - 38 replies
▫ Repairing a tape echo with tubes (Dynacord Echocord Super 62a) ▫ 06-23-2008 07:31 AM - 18 replies
▫ tube newbie needs guidance ▫ 06-23-2008 06:46 AM - 20 replies
▫ Interesting linestage optimizing ideas ▫ 06-23-2008 04:15 AM - 5 replies
▫ Powered up my Lafayette 224A for the first time! ▫ 06-23-2008 01:40 AM - 3 replies
▫ Hickok Upgrades ▫ 06-22-2008 11:36 PM - 0 replies
▫ Passive BP filter sim results ▫ 06-22-2008 09:38 PM - 2 replies
▫ 100mA heater tubes for phono ▫ 06-22-2008 07:51 PM - 4 replies
▫ Audiotester + M-audio - info + question ▫ 06-22-2008 05:22 PM - 24 replies
▫ Indestructible HV hybrid regulator! ▫ 06-22-2008 05:20 PM - 5 replies
▫ yet another modified 5-20 amplifier ▫ 06-22-2008 04:22 PM - 13 replies
▫ help with OT for 15 watt tube amp ▫ 06-22-2008 08:51 AM - 9 replies
▫ Power supply for 12SL7 phono preamp ▫ 06-22-2008 01:22 AM - 28 replies
▫ Simple Simple SE questions ▫ 06-22-2008 12:55 AM - 8 replies
▫ few questions ▫ 06-22-2008 12:12 AM - 7 replies
▫ mystery 5881 ▫ 06-21-2008 02:31 PM - 4 replies
▫ does lower B+ cause scratchy distortion? ▫ 06-20-2008 11:13 PM - 0 replies
▫ SY please keep us updated about your site ▫ 06-20-2008 09:28 PM - 2 replies
▫ Cleveland Ohio members? ▫ 06-20-2008 06:47 PM - 3 replies
▫ Scope tricks for detecting rectifier/choke switching ▫ 06-20-2008 03:00 PM - 7 replies
▫ To choke or not to choke ▫ 06-20-2008 10:35 AM - 1 reply
▫ Tube rectified LC PS for 6SN7 Aikido - choke DCR question ▫ 06-20-2008 03:33 AM - 3 replies
▫ Convergent Audio Technology (CAT) SL-1 preamplifier ▫ 06-20-2008 02:41 AM - 0 replies
▫ Very low current CCS? ▫ 06-20-2008 12:26 AM - 3 replies
▫ Morgan Jones' E88CC Phono ▫ 06-19-2008 06:07 PM - 22 replies
▫ pse help, unity µ triode as a phase inverter ▫ 06-19-2008 03:05 PM - 57 replies
▫ variable capacitor volume control ▫ 06-19-2008 01:19 PM - 11 replies
▫ What to do with P-P transformer ? ▫ 06-19-2008 11:58 AM - 2 replies
▫ 837 tube for SE Amplifier ▫ 06-19-2008 06:37 AM - 10 replies
▫ calculating transformer current draw question ▫ 06-19-2008 05:04 AM - 5 replies
▫ glass audio 1995 "Single Ended Glory" ▫ 06-18-2008 09:10 PM - 3 replies
▫ Manual for Heathkit AA-121 Power Amp ▫ 06-18-2008 08:03 PM - 3 replies
▫ Low gain triode recommendation plz ▫ 06-18-2008 04:50 PM - 17 replies
▫ Search good performance HEADPHONE TRANSFORMER ▫ 06-18-2008 11:26 AM - 8 replies
▫ Tubelab PP question ▫ 06-18-2008 09:29 AM - 0 replies
▫ Output transformer impedance question ▫ 06-18-2008 09:29 AM - 9 replies
▫ Choke... The side makes difference? ▫ 06-18-2008 06:58 AM - 4 replies
▫ Tubelab...Why "sandy" SE amps? ▫ 06-18-2008 02:36 AM - 15 replies
▫ Fostex Meets Pentode I need some NFB ▫ 06-18-2008 01:11 AM - 31 replies
▫ Oddball Sweep tubes in PP ▫ 06-18-2008 12:44 AM - 6 replies
▫ big doubt: dynakit st35 VS diytube st35clone ▫ 06-17-2008 07:01 PM - 4 replies
▫ Noob - where to start? ▫ 06-17-2008 07:01 PM - 5 replies
▫ Compactron Output Tubes ▫ 06-17-2008 06:59 PM - 10 replies
▫ XPP amp ▫ 06-17-2008 12:24 PM - 1 reply
▫ Tubelab SE ... which 5AR4 ? ▫ 06-17-2008 05:50 AM - 4 replies
▫ Getting only 400 hours on Class A2 PP tube ▫ 06-16-2008 11:40 PM - 13 replies
▫ Pete Millett's 829B amp -> monoblocks ▫ 06-16-2008 11:38 PM - 3 replies
▫ 6JU8A Spec confusion ▫ 06-16-2008 10:50 PM - 6 replies
▫ post on amp design by a newbie ▫ 06-16-2008 09:40 PM - 24 replies
▫ (INDIA) ECC802S/EL84 build, hardware requirements ▫ 06-16-2008 06:44 PM - 4 replies
▫ 6gw8 /ECL86 El Cheapo modifications ▫ 06-16-2008 06:44 PM - 13 replies
▫ Danielak's 300B design ▫ 06-16-2008 01:32 PM - 3 replies
▫ 6080 @ 800µA Question ... ▫ 06-16-2008 08:09 AM - 12 replies
▫ Groundplane layout theory ▫ 06-16-2008 04:25 AM - 16 replies
▫ delay on for 83 mercury vapor ▫ 06-15-2008 11:05 PM - 1 reply
▫ Anyone tried "Weber Copper" SS rectifyers? ▫ 06-15-2008 11:04 PM - 1 reply
▫ Scored a bunch of tubes at HamCon ▫ 06-15-2008 05:12 PM - 4 replies
▫ AB2 Anyone else done similiar ▫ 06-15-2008 04:26 PM - 2 replies
▫ Smallest Class A Preamp/Headphone Amp Design? ▫ 06-15-2008 03:07 PM - 20 replies
▫ 6v6 pp amplifier ▫ 06-15-2008 04:50 AM - 49 replies
▫ Loud 60 cycle Hum from tube amp. ▫ 06-14-2008 09:14 PM - 10 replies
▫ Building a Preamp ▫ 06-14-2008 08:04 PM - 11 replies
▫ another Big One....:) ▫ 06-14-2008 05:36 PM - 6 replies
▫ JJ factory pictures ... ▫ 06-14-2008 04:12 AM - 4 replies
▫ Good enough CFs ▫ 06-13-2008 11:05 PM - 39 replies
▫ What's a good way to clean tubes w/o taking off the labeling? ▫ 06-13-2008 10:04 PM - 17 replies
▫ 6BX7 or 12B4A for small SE amp? ▫ 06-13-2008 09:37 PM - 7 replies
▫ Schematic collection posted by a kind soul... ▫ 06-13-2008 08:48 PM - 1 reply
▫ Dumb question, but... ▫ 06-13-2008 08:46 PM - 3 replies
▫ Zen Quad 22 ▫ 06-13-2008 03:21 PM - 0 replies
▫ I'm baffled -- 6AK6 push-pull amp ▫ 06-13-2008 05:19 AM - 0 replies
▫ pin count question ▫ 06-13-2008 04:14 AM - 7 replies
▫ 1G3 Max Dissapation? ▫ 06-13-2008 03:10 AM - 1 reply
▫ Edcor Transformers ▫ 06-12-2008 09:11 PM - 16 replies
▫ 12EL6 preamp ▫ 06-12-2008 05:18 PM - 0 replies
▫ Request for EICO HF-20 experiences and ideas ▫ 06-12-2008 08:36 AM - 1 reply
▫ So would this work? ▫ 06-12-2008 02:16 AM - 5 replies
▫ A valve pre amp for my disco and electric guitar. ▫ 06-11-2008 11:15 PM - 4 replies
▫ Small-signal (or small power) pentode that can handle 400V (or more)? ▫ 06-11-2008 12:02 PM - 12 replies
▫ Are 6GM8's rare? ▫ 06-11-2008 09:45 AM - 24 replies
▫ How to lower mains voltage using resistors ▫ 06-10-2008 11:36 PM - 14 replies
▫ Music angel XD-SE EL34 ▫ 06-10-2008 07:17 PM - 4 replies
▫ Potential project for some inherited transformers ▫ 06-10-2008 02:37 PM - 18 replies
▫ Car Tube Amp? ▫ 06-10-2008 06:46 AM - 4 replies
▫ Marantz 7 Preamp ▫ 06-10-2008 06:33 AM - 2 replies
▫ Euridice pramp but with 45 ▫ 06-10-2008 04:04 AM - 16 replies
▫ Tubelab SE Parafeed Monoblocks (5 channel) ▫ 06-09-2008 09:17 PM - 5 replies
▫ Can 6AK6's take high voltages? ▫ 06-09-2008 05:42 PM - 4 replies
▫ Tube equal to one section of a 12AX7? ▫ 06-09-2008 02:46 PM - 24 replies
▫ HK 'Deuce front end on G2 drive output stage? ▫ 06-09-2008 02:22 PM - 0 replies
▫ Direct-coupled cathode/source follower driver in PP? ▫ 06-09-2008 06:53 AM - 71 replies
▫ CCS power supply loading.. ▫ 06-09-2008 03:34 AM - 2 replies
▫ Photos - the death of a Simple SE and 6V6's ▫ 06-09-2008 02:51 AM - 56 replies
▫ Photo Gallery -- Simple SE build ▫ 06-09-2008 02:26 AM - 32 replies
▫ Buying vintage good tubes ▫ 06-09-2008 01:49 AM - 3 replies
▫ current tube manufacturers and or brands ▫ 06-08-2008 09:27 PM - 8 replies
▫ PSU with TL783-question ▫ 06-08-2008 08:26 PM - 8 replies
▫ Hashimoto H-20-7U for 6v6 in triode SE..? ▫ 06-08-2008 04:52 PM - 1 reply
▫ Speakers impedance ▫ 06-08-2008 04:43 PM - 3 replies
▫ mesh plate el34 (supereTNT) ▫ 06-08-2008 11:50 AM - 6 replies
▫ Tagboard amps ▫ 06-08-2008 10:00 AM - 24 replies
▫ 807 single ended guitar amp ▫ 06-08-2008 06:58 AM - 1 reply
▫ Built the DDDAC MKII USB audio card, modified it to feed SRPP tube amp line stage ▫ 06-08-2008 03:21 AM - 0 replies
▫ 6CL6 vs. 12BY7A ▫ 06-08-2008 03:09 AM - 8 replies
▫ Suggestions for a good tube line amp ▫ 06-07-2008 06:18 PM - 3 replies
▫ 12el6 ▫ 06-07-2008 05:10 PM - 3 replies
▫ High Squareness Ratio of a Transformer ▫ 06-07-2008 05:47 AM - 1 reply
▫ What causes a tube to crack? ▫ 06-07-2008 03:00 AM - 6 replies
▫ My 66 Fender bassman tube guitar amp is cutting out intermittently and is making a bl ▫ 06-07-2008 03:00 AM - 6 replies
▫ Ming Da MC-7R transformers for Quad 22 clone. ▫ 06-06-2008 06:43 PM - 0 replies
▫ SimpleSE and Switches ▫ 06-06-2008 09:13 AM - 5 replies
▫ Bias and distortion 6EM7 ▫ 06-06-2008 01:30 AM - 0 replies
▫ Need ideas - 6L6GA & 6X5GT ▫ 06-05-2008 08:33 PM - 35 replies
▫ tube microphone preamp design ideas ▫ 06-05-2008 04:19 PM - 9 replies
▫ Firestone Air Chief ▫ 06-05-2008 12:35 PM - 2 replies
▫ Zenith Console find, amp suggestions? ▫ 06-05-2008 11:27 AM - 7 replies
▫ 5842 russian equiv 6S45P or 6C45PI ? ▫ 06-05-2008 04:35 AM - 3 replies
▫ bizarre or good topology idea? ▫ 06-05-2008 02:34 AM - 12 replies
▫ 12 EL6 car preamp ▫ 06-05-2008 12:17 AM - 3 replies
▫ Waxy substance leaking from vintage OPT ▫ 06-04-2008 07:11 PM - 10 replies
▫ A large box of valves wants to be turned into a headphone amplifier... ▫ 06-04-2008 04:34 PM - 46 replies
▫ Output transformer protection fuses ▫ 06-04-2008 02:33 PM - 17 replies
▫ 5670 SRPP DC coupled to 6S4A ▫ 06-04-2008 08:40 AM - 7 replies
▫ L as last filter element? ▫ 06-04-2008 02:15 AM - 2 replies
▫ Strong cigarette smell in a tube amp ▫ 06-04-2008 12:03 AM - 6 replies
▫ Gas coupling? ▫ 06-03-2008 11:08 PM - 6 replies
▫ Differences between nos Tesla E88CC? ▫ 06-03-2008 08:13 PM - 6 replies
▫ Harmonic parrot food? ▫ 06-03-2008 12:27 PM - 9 replies
▫ Modified 6V6 amp, 350 volt @ 250 K HZ output ▫ 06-03-2008 12:13 AM - 0 replies
▫ best current production el34 ▫ 06-03-2008 12:13 AM - 7 replies
▫ Help for correct grounding a Dared VP-845 ▫ 06-02-2008 07:25 PM - 2 replies
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