| Tubes - Showing threads 9801 to 10000 of 11910 available |
▫ Gassy Tube ▫ 03-22-2004 12:37 PM - 22 replies
▫ transformer coupling, magnetic amplifiers, grid leak current ▫ 03-22-2004 07:38 AM - 9 replies
▫ How low 6922/ECC88 can go? ▫ 03-22-2004 03:16 AM - 31 replies
▫ Question about PP EL34 power supply behaviour ▫ 03-22-2004 12:47 AM - 22 replies
▫ Tube amps and electric safety ▫ 03-21-2004 09:22 PM - 2 replies
▫ Transformer for a tube amp question ▫ 03-21-2004 07:53 PM - 43 replies
▫ Need some info on E88CC/6922 ▫ 03-21-2004 03:11 PM - 5 replies
▫ strange "thing" ▫ 03-21-2004 09:32 AM - 22 replies
▫ Extra gain stage Marshall plexi 50watt ▫ 03-21-2004 08:35 AM - 1 reply
▫ Help with Hickok 539A tube tester repair.. ▫ 03-21-2004 06:11 AM - 7 replies
▫ Micing tube amps ▫ 03-20-2004 11:32 PM - 12 replies
▫ Tube preamp huge DC thump! ▫ 03-20-2004 05:25 PM - 10 replies
▫ New speaker for transcendent T8 ▫ 03-20-2004 03:11 PM - 5 replies
▫ choke winding ▫ 03-20-2004 02:52 PM - 7 replies
▫ MC phono preamp ▫ 03-20-2004 01:02 PM - 29 replies
▫ output transformer spice model ▫ 03-20-2004 08:41 AM - 6 replies
▫ cathode connection in directly heated triodes ▫ 03-20-2004 07:36 AM - 2 replies
▫ 50watt Plexi Again ▫ 03-19-2004 11:46 PM - 2 replies
▫ Anyone use ICs as input phase splitters for tube equipment ▫ 03-19-2004 09:18 PM - 5 replies
▫ Tube Sockets ▫ 03-19-2004 12:17 PM - 4 replies
▫ RIAA and Linestage for life time ▫ 03-19-2004 06:27 AM - 26 replies
▫ KYW's linestage (split from RIAA for life time) ▫ 03-19-2004 06:27 AM - 31 replies
▫ 211 Preamp ▫ 03-19-2004 06:19 AM - 13 replies
▫ Building a Marshall Plexi ▫ 03-19-2004 05:50 AM - 10 replies
▫ PL504 circuits. ▫ 03-19-2004 05:25 AM - 14 replies
▫ Tube Recommendation ▫ 03-19-2004 01:48 AM - 23 replies
▫ 6.3v 30A!? ▫ 03-18-2004 07:06 PM - 13 replies
▫ Simplest 6080 or 6AS7 OTL Project? ▫ 03-18-2004 01:24 PM - 18 replies
▫ Is 6N1P = 6N7 = ECC31 ▫ 03-18-2004 06:55 AM - 1 reply
▫ EL34 in Pentode Class A? ▫ 03-18-2004 06:54 AM - 7 replies
▫ Wiring a 12au7 ▫ 03-18-2004 05:46 AM - 14 replies
▫ BLue hue ▫ 03-17-2004 06:57 PM - 8 replies
▫ Choosing a suitable 50W cathode resistor ▫ 03-17-2004 06:18 PM - 14 replies
▫ 5687 ▫ 03-17-2004 11:29 AM - 7 replies
▫ heathkit Schematic ▫ 03-17-2004 04:47 AM - 2 replies
▫ Precision S100 schematics? ▫ 03-17-2004 04:33 AM - 0 replies
▫ my RIAA stage. Any comment ▫ 03-16-2004 10:14 PM - 28 replies
▫ buffer circuits ▫ 03-16-2004 06:26 PM - 35 replies
▫ switchable 2.5k/5k primary ot ▫ 03-16-2004 05:42 PM - 1 reply
▫ Old grundig 3095 radio ▫ 03-16-2004 02:16 PM - 12 replies
▫ DIY Single Ended Triode Designs ▫ 03-16-2004 09:56 AM - 35 replies
▫ dog whistle ▫ 03-16-2004 08:27 AM - 11 replies
▫ Volume pot question ▫ 03-16-2004 07:24 AM - 9 replies
▫ Oil PP Cap ▫ 03-16-2004 06:16 AM - 3 replies
▫ commercial tube preamps ▫ 03-16-2004 03:10 AM - 12 replies
▫ Transformer Cover ▫ 03-16-2004 02:47 AM - 3 replies
▫ Harman-Kardon A-300 Amplifier ▫ 03-15-2004 04:06 PM - 0 replies
▫ Phono preamp- how to modify to get deeper LF? ▫ 03-15-2004 02:21 PM - 4 replies
▫ Thyratron heater supply? ▫ 03-15-2004 05:03 AM - 8 replies
▫ amp conversions ▫ 03-15-2004 02:35 AM - 2 replies
▫ Looking for Scott 200 photofacts or service manual ▫ 03-15-2004 12:25 AM - 2 replies
▫ 6ag7 metal pentodes ▫ 03-14-2004 07:21 PM - 4 replies
▫ EL84 Push-Pull Vieta A-225 opinion ▫ 03-14-2004 06:02 PM - 13 replies
▫ 5998 power amp question ▫ 03-14-2004 11:38 AM - 5 replies
▫ Which rectifier tube? ▫ 03-14-2004 06:44 AM - 3 replies
▫ tube preamp ▫ 03-14-2004 04:44 AM - 3 replies
▫ 6GT5 distortion problem ▫ 03-14-2004 03:08 AM - 7 replies
▫ tube preamps and gain ▫ 03-13-2004 10:31 PM - 3 replies
▫ Cathode Follower? Yay or nay? ▫ 03-13-2004 09:08 PM - 25 replies
▫ what the crap is this!? ▫ 03-13-2004 08:02 PM - 4 replies
▫ Safety Practices, General and Ultra-High Voltage ▫ 03-13-2004 07:42 PM - 159 replies
▫ Output transformer issues... ▫ 03-13-2004 07:19 PM - 13 replies
▫ Tube sockets with the same pin spacing as the tube ▫ 03-13-2004 06:02 PM - 5 replies
▫ Help needed with preamp. ▫ 03-13-2004 02:58 PM - 15 replies
▫ VSE RTP5 linestage comments ▫ 03-13-2004 01:52 PM - 3 replies
▫ VSE RTP5 linestage comments ▫ 03-13-2004 01:25 PM - 1 reply
▫ Futterman OTL ferrite bead specification ▫ 03-13-2004 12:12 AM - 4 replies
▫ common anode capacitor for both sections ▫ 03-12-2004 11:28 AM - 1 reply
▫ How good are cheap tranny-interstages ▫ 03-12-2004 12:23 AM - 0 replies
▫ Favorite bias measuring and metering methods? ▫ 03-11-2004 10:24 PM - 14 replies
▫ Suitable regulated/filtered 4volt battery-valve power supply suitable for 6+ valves? ▫ 03-11-2004 08:49 PM - 0 replies
▫ Newbie Transformer Secondary Combination Qs--Plitron Example ▫ 03-11-2004 07:08 PM - 16 replies
▫ Zenith Wavemagnet Help Please !!! ▫ 03-11-2004 05:05 PM - 3 replies
▫ Audio research vs55/VT50/VT100 ▫ 03-10-2004 08:05 PM - 0 replies
▫ quad 6bm8 per channel ▫ 03-10-2004 12:44 PM - 7 replies
▫ Tubes from St.Petersburg, Russia? ▫ 03-10-2004 12:39 PM - 32 replies
▫ Tube preamplifier ▫ 03-10-2004 11:59 AM - 9 replies
▫ Seeking suggestions on slowing B+ turn on ▫ 03-10-2004 12:40 AM - 8 replies
▫ Help on Brute force ▫ 03-09-2004 06:52 PM - 5 replies
▫ 6SL7 or 12AX7 in Kimmel OTL ▫ 03-09-2004 05:38 PM - 6 replies
▫ What´s wrong with Hammond 1628SE? ▫ 03-09-2004 02:55 PM - 41 replies
▫ Input stages - to decouple B+ or not? ▫ 03-09-2004 09:35 AM - 1 reply
▫ valve info? NEC 30M-P25 ▫ 03-09-2004 08:50 AM - 4 replies
▫ Recommended sources for SED EL 34s ▫ 03-09-2004 06:09 AM - 1 reply
▫ Golden Middle output transformers ▫ 03-09-2004 01:35 AM - 3 replies
▫ Help needed on tube rectification. ▫ 03-08-2004 01:45 PM - 10 replies
▫ NWWA DIY Audio Meet 2004 ▫ 03-08-2004 01:13 PM - 0 replies
▫ Audio Research V70 ▫ 03-08-2004 01:04 PM - 0 replies
▫ PSU choke value ▫ 03-08-2004 12:27 PM - 8 replies
▫ 4 Ohm on 25v Tap? ▫ 03-08-2004 03:45 AM - 16 replies
▫ The MDF amp chassis discusion reminds me... ▫ 03-07-2004 07:12 PM - 2 replies
▫ Tubed-out guitar affects ▫ 03-07-2004 06:14 PM - 3 replies
▫ SE used as step down OT ▫ 03-07-2004 12:38 PM - 2 replies
▫ Siemens E83f ▫ 03-07-2004 10:39 AM - 3 replies
▫ Enclosures in MDF. ▫ 03-07-2004 10:21 AM - 14 replies
▫ Tube tester and noise test ▫ 03-06-2004 11:56 PM - 1 reply
▫ Sovtek KT88 specifications not found :( ▫ 03-06-2004 10:26 PM - 1 reply
▫ Fisher 800C FM Stereo problem ▫ 03-06-2004 05:45 PM - 5 replies
▫ Soliciting Enthusiastic Recommendations for 50+WPC Kit or Design ▫ 03-06-2004 06:30 AM - 5 replies
▫ EL519/KT90 The old debate ▫ 03-05-2004 10:28 PM - 8 replies
▫ Plasma/ionic ▫ 03-05-2004 08:42 PM - 50 replies
▫ Another Fender on the bench. ▫ 03-05-2004 06:13 PM - 3 replies
▫ How much voltage won't kill me? ▫ 03-05-2004 09:52 AM - 101 replies
▫ Pcl84 / 15dq8 ▫ 03-05-2004 09:23 AM - 12 replies
▫ Alliance Audio ▫ 03-05-2004 06:30 AM - 1 reply
▫ Opinions of Menno Vanderveen ( van der Veen ) PP Amps, Esp. Super-Triode ▫ 03-05-2004 05:23 AM - 41 replies
▫ Built my battery powered headphone amp. ▫ 03-04-2004 11:43 PM - 0 replies
▫ Supertotem ▫ 03-04-2004 05:09 PM - 9 replies
▫ neon bulbs as grid voltage clamps ▫ 03-04-2004 04:43 PM - 6 replies
▫ Large caps in PSU without choke? ▫ 03-04-2004 03:13 PM - 14 replies
▫ Tube rectifier ?s ▫ 03-04-2004 06:52 AM - 16 replies
▫ resistors, capacitors, etc. NEED MORE INFO! ▫ 03-04-2004 01:42 AM - 6 replies
▫ Recitifaction is a pain in the butt? A few lame questions ▫ 03-04-2004 01:32 AM - 6 replies
▫ Hook-up Wire? ▫ 03-03-2004 11:36 PM - 6 replies
▫ Using Telefunken "Tank" transfomers for a single ended el84 amp? ▫ 03-03-2004 11:13 PM - 13 replies
▫ cathode follower with gain ▫ 03-03-2004 08:34 AM - 43 replies
▫ Got sparks in my GZ34! ▫ 03-03-2004 04:42 AM - 29 replies
▫ Duncans PSU designer and tube rectifier. ▫ 03-03-2004 04:40 AM - 13 replies
▫ I want to make a simple UL PP amp ▫ 03-02-2004 04:46 AM - 19 replies
▫ Phase splitter questions ▫ 03-02-2004 02:56 AM - 14 replies
▫ I want dizzy, why can't my speech show? ▫ 03-02-2004 02:06 AM - 2 replies
▫ I come from China, giving the same friends in a fondness for ▫ 03-02-2004 01:51 AM - 0 replies
▫ I come from China, giving the same friends in a fondness for ▫ 03-02-2004 01:45 AM - 1 reply
▫ Choke value? ▫ 03-01-2004 04:40 PM - 16 replies
▫ line voltage level ▫ 03-01-2004 08:28 AM - 2 replies
▫ SRPP & DACs ▫ 03-01-2004 07:56 AM - 1 reply
▫ Tube ageing ? ▫ 03-01-2004 06:11 AM - 7 replies
▫ Changing caps for preamp ▫ 03-01-2004 05:36 AM - 2 replies
▫ 845 PP and Lundahl 1620 ▫ 03-01-2004 12:18 AM - 187 replies
▫ schematic for a push pull EL 509 ▫ 02-29-2004 04:43 PM - 13 replies
▫ 6N1P preamp too much gain... ▫ 02-29-2004 09:02 AM - 50 replies
▫ Looking for a great DIY-Preamp for MICs (48v) ▫ 02-29-2004 05:31 AM - 12 replies
▫ Miniature 8pin socket ▫ 02-28-2004 11:01 PM - 4 replies
▫ Mesa Boogie Dual Caliber DC-3 schematic? ▫ 02-28-2004 09:45 AM - 0 replies
▫ Please help my MC240 ▫ 02-28-2004 06:29 AM - 9 replies
▫ Hammond 125ese cheap in Europe? ▫ 02-27-2004 06:34 PM - 10 replies
▫ Critique for circuit of great value 805 SET? ▫ 02-27-2004 01:35 PM - 5 replies
▫ SE OPT's & Biasing ▫ 02-27-2004 11:08 AM - 45 replies
▫ Compact All-In-One Chassis Design with good ventilation. And low noise, Not a Schemat ▫ 02-27-2004 09:17 AM - 13 replies
▫ Newbie First Amp ▫ 02-27-2004 05:34 AM - 14 replies
▫ Audio Note P-2 ▫ 02-26-2004 11:11 PM - 0 replies
▫ 300b? ▫ 02-26-2004 10:12 PM - 26 replies
▫ Power Supply and VR tube help! ▫ 02-26-2004 09:27 PM - 24 replies
▫ Tubes for direct-driving ESL ▫ 02-26-2004 07:58 PM - 32 replies
▫ Question about popping Noise ▫ 02-26-2004 06:52 PM - 5 replies
▫ tube preamp...opinions ▫ 02-26-2004 09:50 AM - 31 replies
▫ Help! I need TRW(UTC) O35 DATA ▫ 02-26-2004 04:35 AM - 0 replies
▫ Is this a good tube DIY kit to get? ▫ 02-25-2004 10:15 PM - 36 replies
▫ Best AC Heater Practices ▫ 02-25-2004 09:33 PM - 11 replies
▫ new hybrid amp turn on circuit ▫ 02-25-2004 08:44 PM - 4 replies
▫ dc phono ▫ 02-25-2004 04:35 PM - 185 replies
▫ screen-plate resistor and grid leak resistor ▫ 02-25-2004 01:45 PM - 4 replies
▫ Kr842vhd ▫ 02-25-2004 08:48 AM - 1 reply
▫ DRD 300b amplifier sound quality? ▫ 02-25-2004 07:45 AM - 3 replies
▫ Pre-amp selection ▫ 02-24-2004 09:03 PM - 1 reply
▫ tube buffer for TDA1543 based dac ▫ 02-24-2004 05:54 PM - 11 replies
▫ Does anybody know if a WE404 (5847) would be able... ▫ 02-24-2004 02:10 PM - 0 replies
▫ Transformer Question ▫ 02-24-2004 07:48 AM - 15 replies
▫ New preamp ▫ 02-24-2004 05:29 AM - 3 replies
▫ Fisher 800c neg bias problem ▫ 02-24-2004 05:15 AM - 10 replies
▫ Seek your comments on 71a tube amp ▫ 02-24-2004 03:17 AM - 0 replies
▫ Single-Ended 6V6 Questions ▫ 02-23-2004 11:40 PM - 2 replies
▫ El509 Plate current question ▫ 02-23-2004 10:20 PM - 9 replies
▫ Building a Pre-Amplifier ▫ 02-23-2004 07:23 PM - 5 replies
▫ cathode bias in OTL?? ▫ 02-23-2004 07:06 PM - 13 replies
▫ 10y-IT-10Y SE amp ▫ 02-23-2004 07:44 AM - 1 reply
▫ Any schematics for balanced line driver using 6922? ▫ 02-23-2004 04:32 AM - 13 replies
▫ Would you buy EI EL509/EL519 in an Octal Package? ▫ 02-23-2004 12:27 AM - 11 replies
▫ A Noisey CAT SL1 Reference ▫ 02-22-2004 06:24 PM - 2 replies
▫ Plate color and getter ▫ 02-22-2004 03:05 PM - 9 replies
▫ Learning to interpret the performance curves for KT88 ▫ 02-22-2004 09:12 AM - 5 replies
▫ 811A in P.S.E or P/P ▫ 02-21-2004 05:15 PM - 8 replies
▫ Quick help needed! LOTs of noise in BBMCCCS loaded /0A2 regulated preamp! ▫ 02-21-2004 08:20 AM - 17 replies
▫ power output calculations, rated power and required power output ▫ 02-21-2004 07:54 AM - 7 replies
▫ Please help with Stancor A-4416 ▫ 02-21-2004 01:42 AM - 5 replies
▫ transformers, read me!!!! ▫ 02-20-2004 08:48 PM - 54 replies
▫ Source for archive cd of Sound Practices Magazine ▫ 02-20-2004 06:44 PM - 7 replies
▫ PSE with 6C41C ▫ 02-19-2004 11:28 PM - 9 replies
▫ cathode follower ▫ 02-19-2004 09:07 PM - 3 replies
▫ Orientation and Horizontal Mounting ▫ 02-19-2004 07:02 PM - 31 replies
▫ Newbie on cathode curves ▫ 02-19-2004 12:45 PM - 1 reply
▫ transformers, regulation, triode-connection... ▫ 02-19-2004 11:18 AM - 11 replies
▫ 1st tube project - newbie tranny question ▫ 02-19-2004 02:12 AM - 8 replies
▫ NOS supply ▫ 02-18-2004 08:25 PM - 9 replies
▫ AN7 prototype- variation? ▫ 02-18-2004 11:15 AM - 48 replies
▫ Help needed with 805 sets ▫ 02-18-2004 09:57 AM - 4 replies
▫ controlling heat in tube amps. ▫ 02-17-2004 06:35 AM - 10 replies
▫ Suround Tube Amp? ▫ 02-16-2004 11:10 PM - 10 replies
▫ PSUD Model Hack ▫ 02-16-2004 10:48 PM - 6 replies
▫ advice about project wanted (newbie) ▫ 02-16-2004 12:43 PM - 12 replies
▫ Newly CCS circuit from Pimm ▫ 02-16-2004 09:04 AM - 0 replies
▫ simple matching philosophy on tubes.. ▫ 02-16-2004 07:25 AM - 1 reply
▫ A good source for PIO & HV Resistors?? ▫ 02-16-2004 07:16 AM - 5 replies
▫ ARC SP8 schematic ▫ 02-16-2004 01:14 AM - 9 replies
▫ some questions... ▫ 02-15-2004 07:11 PM - 2 replies
▫ 6KD6 For OTL?? ▫ 02-15-2004 07:00 PM - 1 reply
▫ Rogers Cadet III PU Adapter ▫ 02-15-2004 05:45 PM - 16 replies
▫ G2-driven 6BM8 ▫ 02-15-2004 05:44 PM - 34 replies
▫ Appropiate cabling quality & Regulators ▫ 02-14-2004 08:25 PM - 30 replies
▫ Tubes.Ru ▫ 02-14-2004 12:28 PM - 6 replies
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