| Tubes - Showing threads 7401 to 7600 of 11907 available |
▫ recommended resistor wattage ▫ 08-09-2005 07:11 PM - 2 replies
▫ 6.3V Rectifier Tube Lit by 5V ▫ 08-09-2005 04:28 PM - 8 replies
▫ Grommes / Western Electric G5M Tube Mixer Mods ▫ 08-09-2005 06:55 AM - 2 replies
▫ Precision Electronics Amp w/ 6GT5's, Convert to 6L6's? ▫ 08-09-2005 06:55 AM - 5 replies
▫ WE121A, Please critique me ▫ 08-09-2005 06:55 AM - 10 replies
▫ schemes needed ▫ 08-09-2005 06:35 AM - 0 replies
▫ PP to PPP ▫ 08-08-2005 08:21 PM - 7 replies
▫ aikido voltage swing ▫ 08-08-2005 08:15 PM - 8 replies
▫ voltage drop across a CCS... ▫ 08-08-2005 04:08 PM - 4 replies
▫ bogen db20 Schematic ▫ 08-08-2005 03:42 PM - 14 replies
▫ Mullards branded as Telefunkens??? ▫ 08-08-2005 03:13 PM - 7 replies
▫ Pentodes; plate resistance; damping... ▫ 08-08-2005 02:42 PM - 20 replies
▫ PP amp has become SE? ▫ 08-08-2005 06:13 AM - 6 replies
▫ anyone mod a NYAL Moscode superIt? ▫ 08-07-2005 06:54 PM - 0 replies
▫ update to phillips sepp otl? ▫ 08-07-2005 02:09 PM - 2 replies
▫ DC filament supply LC or CL ▫ 08-07-2005 08:01 AM - 1 reply
▫ No Bass Control ▫ 08-07-2005 12:48 AM - 18 replies
▫ Unison Research Simply2 or s2schematics ▫ 08-06-2005 08:16 PM - 0 replies
▫ Border Patrol Power Supply ▫ 08-06-2005 04:08 PM - 4 replies
▫ Any leads on repairing a vintage Alamo Capri tube amp? >> ▫ 08-06-2005 03:27 AM - 0 replies
▫ nanocrystalline amorphous OPT ▫ 08-06-2005 12:19 AM - 20 replies
▫ El84 Pp ▫ 08-05-2005 08:20 AM - 11 replies
▫ Preamp, Euridice? ▫ 08-05-2005 03:02 AM - 13 replies
▫ Has anyone built a PS like this? ▫ 08-05-2005 12:18 AM - 5 replies
▫ Tube sockets in Eagle? ▫ 08-04-2005 10:20 PM - 14 replies
▫ E235L tubes ▫ 08-04-2005 09:05 PM - 1 reply
▫ Grid Input Transformers ▫ 08-04-2005 07:56 PM - 7 replies
▫ Aikido Power Supply ▫ 08-04-2005 06:52 PM - 13 replies
▫ ralph power pp amp with 807 ? ▫ 08-04-2005 04:03 PM - 11 replies
▫ fender clone, 6SJ7 vs. 6SN7 ▫ 08-04-2005 02:47 PM - 3 replies
▫ tube stores in moscow ▫ 08-04-2005 06:57 AM - 1 reply
▫ 211 and 845 ▫ 08-04-2005 06:40 AM - 2 replies
▫ Need help with amp ▫ 08-03-2005 09:17 PM - 9 replies
▫ Altec 1570B ▫ 08-03-2005 03:08 PM - 1 reply
▫ UL to triode ▫ 08-03-2005 02:12 PM - 55 replies
▫ How can I improve this tube amp (see pics)? ▫ 08-03-2005 11:22 AM - 9 replies
▫ klimo merlin preamp sch wanted ▫ 08-03-2005 02:56 AM - 0 replies
▫ CCS question ▫ 08-02-2005 10:35 PM - 16 replies
▫ *****es brew step 2 ... or grid bias ... how to? ▫ 08-02-2005 07:25 PM - 2 replies
▫ Filaments for the Aikido ▫ 08-02-2005 01:06 PM - 1 reply
▫ RE: RC-19 or RC-30 ▫ 08-02-2005 09:03 AM - 6 replies
▫ My experience building a DRD d3A/300B amp ▫ 08-02-2005 09:03 AM - 50 replies
▫ TIP50 + LM317 High Voltage Regulator ▫ 08-02-2005 08:53 AM - 9 replies
▫ Any info on old "Cosmos" amp'? ▫ 08-02-2005 03:48 AM - 2 replies
▫ What more do I need to know? ▫ 08-02-2005 03:24 AM - 36 replies
▫ EBAY Find Of The Year Club LOL ▫ 08-02-2005 02:37 AM - 0 replies
▫ Partial feedback DHP SE amp ▫ 08-01-2005 08:50 PM - 21 replies
▫ newbie question ▫ 08-01-2005 04:29 PM - 10 replies
▫ Tube 1616 ▫ 08-01-2005 03:06 PM - 6 replies
▫ Class A tube integrated circuit request ▫ 08-01-2005 06:19 AM - 8 replies
▫ Global Feedback Source Point ▫ 08-01-2005 04:52 AM - 3 replies
▫ These look interesting for that SE project ▫ 07-31-2005 11:45 PM - 2 replies
▫ Phillips AG9008 amp - looking for diagram ▫ 07-31-2005 10:16 AM - 2 replies
▫ 3cx3000 ▫ 07-31-2005 07:53 AM - 46 replies
▫ EL86 and speakers? 800 Ohm ▫ 07-31-2005 07:53 AM - 11 replies
▫ Looking for CAT SL-1 Schematic ▫ 07-31-2005 07:33 AM - 0 replies
▫ el84 - 807 ? ▫ 07-30-2005 03:25 PM - 19 replies
▫ Low-voltage Tubebuffer by David Lin ▫ 07-30-2005 10:58 AM - 24 replies
▫ changing diodes with 5AR4 tubes ▫ 07-29-2005 06:25 AM - 12 replies
▫ 801 amp PS ▫ 07-28-2005 03:55 PM - 0 replies
▫ what can I do with these tubes? ▫ 07-28-2005 10:20 AM - 20 replies
▫ How to 'fine tune' your amps? ▫ 07-27-2005 07:23 PM - 21 replies
▫ Otl ▫ 07-27-2005 03:46 PM - 29 replies
▫ Rogers E40a schematic? ▫ 07-27-2005 12:09 PM - 0 replies
▫ Peavey Triple X Rewire! Help! ▫ 07-27-2005 06:28 AM - 1 reply
▫ Butler Monad A 100 ▫ 07-26-2005 09:58 PM - 1 reply
▫ Using the UTC LS-33 as a Push-Pull output for 2A3's ▫ 07-26-2005 08:33 PM - 4 replies
▫ 2A3 AC filament hum ▫ 07-26-2005 03:49 PM - 4 replies
▫ A question about diodes... ▫ 07-26-2005 01:22 PM - 4 replies
▫ 5R4WGY/A/B , input filter capacitors ▫ 07-25-2005 11:36 PM - 12 replies
▫ attenuator hook up? ▫ 07-25-2005 11:18 PM - 5 replies
▫ best material for mounting tubes sideways ▫ 07-25-2005 05:36 PM - 15 replies
▫ Amp suggestions needed ▫ 07-25-2005 02:32 PM - 6 replies
▫ CC vs EI … I mean toroids are out of question ▫ 07-25-2005 11:27 AM - 10 replies
▫ Newbie need help in designing tube preamp for my 3886 GC??Please Help me!! ▫ 07-25-2005 06:49 AM - 2 replies
▫ Inviting Comment on Schematic ▫ 07-25-2005 04:11 AM - 7 replies
▫ SE 2A3 input stage ▫ 07-24-2005 03:27 PM - 1 reply
▫ DIY Tube Amp Questions ▫ 07-23-2005 10:54 PM - 95 replies
▫ My new tube headphone amp ▫ 07-23-2005 02:50 PM - 7 replies
▫ Need tube buffer circuit for sub-woofer out ▫ 07-22-2005 04:12 PM - 3 replies
▫ How to connect electrostatic shield of power transformer? ▫ 07-22-2005 02:01 PM - 4 replies
▫ Your favourite filament supply for DHT's? ▫ 07-22-2005 01:08 PM - 17 replies
▫ Quantum Impex ▫ 07-22-2005 07:42 AM - 6 replies
▫ Channel Switching Real McTube? ▫ 07-22-2005 12:42 AM - 1 reply
▫ so who owns a dac5 or m8 phono ▫ 07-21-2005 08:47 PM - 0 replies
▫ OPT at frequency extremes ▫ 07-21-2005 12:15 PM - 5 replies
▫ Parafeed with resistive load ▫ 07-21-2005 11:49 AM - 9 replies
▫ EL34 SE triode mode A class sch wanted ▫ 07-21-2005 07:59 AM - 14 replies
▫ Dumont (where theres smoke theres sound) ▫ 07-21-2005 03:58 AM - 20 replies
▫ HYBRID- Schematic ▫ 07-21-2005 12:27 AM - 35 replies
▫ I have a pair of JBL control 5 speakers, which valve amp design you recommend? ▫ 07-20-2005 11:18 PM - 4 replies
▫ sovtek 300B ▫ 07-20-2005 08:08 PM - 3 replies
▫ 12au6 preamp ▫ 07-20-2005 02:45 AM - 32 replies
▫ Engineering Drawings PCB Mount Tube Sockets ▫ 07-20-2005 12:12 AM - 8 replies
▫ Help with a choke for first-time DIY... ▫ 07-19-2005 09:43 PM - 9 replies
▫ Power SRPP ▫ 07-19-2005 04:24 PM - 14 replies
▫ Anode Loading Vs. Cathode Loading ? ▫ 07-19-2005 03:08 PM - 19 replies
▫ Purist 2 Line Amp ▫ 07-19-2005 02:19 PM - 5 replies
▫ Yet Another "EURIDICE" Pre Amp, 4CH This Time ▫ 07-19-2005 08:49 AM - 28 replies
▫ radio receiver ▫ 07-18-2005 10:04 PM - 4 replies
▫ Help Vintage Guitar Hummer ▫ 07-18-2005 02:54 PM - 9 replies
▫ Pioneer SM83 and 500k pot ▫ 07-18-2005 01:55 PM - 0 replies
▫ How many ways to connect a pentode... ▫ 07-18-2005 12:22 PM - 9 replies
▫ How do I go about repairing a vintage Pilotone AA-410A monoblock tube amp? ▫ 07-18-2005 04:00 AM - 1 reply
▫ Any pitfalls to tapping voltage doubler? ▫ 07-17-2005 10:53 PM - 19 replies
▫ 5k to 100 or so line transformers ▫ 07-17-2005 08:58 PM - 1 reply
▫ Ongaku 211 and Supravox 215 ▫ 07-17-2005 04:27 PM - 8 replies
▫ Help with 6B4G PP amp. ▫ 07-16-2005 05:46 PM - 4 replies
▫ Help me build my Choke I/P preamp PSU ▫ 07-16-2005 02:18 PM - 9 replies
▫ Pinging "DoomPixie" ▫ 07-16-2005 01:32 PM - 0 replies
▫ 6L6 mono amp questions ▫ 07-15-2005 08:49 PM - 27 replies
▫ Help on 300B power trans... ▫ 07-15-2005 07:37 PM - 2 replies
▫ Spud Farmin' Pt. Deux ▫ 07-15-2005 05:30 PM - 8 replies
▫ No Zen ▫ 07-15-2005 05:27 PM - 0 replies
▫ Reuse or rewind choke ▫ 07-15-2005 01:51 PM - 1 reply
▫ Bell Sound Mono Integrated Amplifier ▫ 07-15-2005 10:48 AM - 2 replies
▫ Help with Melos SHA repair ▫ 07-15-2005 08:04 AM - 2 replies
▫ diy guitar tube amp help. ▫ 07-15-2005 06:27 AM - 22 replies
▫ Phase splitter transformers ▫ 07-14-2005 11:15 PM - 2 replies
▫ 6v6 schems ▫ 07-14-2005 11:01 PM - 6 replies
▫ Cathode feedback ▫ 07-14-2005 12:47 PM - 20 replies
▫ Is this a good choice for El34 PP ▫ 07-14-2005 06:06 AM - 5 replies
▫ 6DK6 amp schematics? ▫ 07-14-2005 03:15 AM - 27 replies
▫ so who here builds amps ▫ 07-13-2005 09:27 PM - 29 replies
▫ 3:1 Line Input X-former ? ▫ 07-13-2005 03:29 PM - 4 replies
▫ * 35 watt * 300B SE = super 300B + Class A2 ▫ 07-13-2005 11:59 AM - 4 replies
▫ Quirk in Mullard 5-20 circuit ▫ 07-13-2005 11:28 AM - 33 replies
▫ LL1673 as anode load? ▫ 07-13-2005 09:20 AM - 1 reply
▫ preamp/power amp matching ▫ 07-12-2005 11:58 PM - 6 replies
▫ 0A3 and pentode questions (quickie) ▫ 07-12-2005 06:16 PM - 8 replies
▫ where to find transformer to use ▫ 07-12-2005 04:37 PM - 4 replies
▫ C core output design ▫ 07-12-2005 04:12 PM - 25 replies
▫ Unusual Motorola Console ▫ 07-12-2005 03:50 PM - 21 replies
▫ Improving the Aikido line stage... ▫ 07-11-2005 04:07 PM - 144 replies
▫ Poll..anyone interested in an Aikido linestage PCB group buy? ▫ 07-11-2005 04:01 PM - 776 replies
▫ New 6s45p compare to NOS? ▫ 07-11-2005 01:48 PM - 0 replies
▫ Elektra Print L-3500 ▫ 07-11-2005 08:44 AM - 1 reply
▫ 300b tube cage ▫ 07-11-2005 06:41 AM - 4 replies
▫ The 'Tater Patch ▫ 07-11-2005 05:12 AM - 17 replies
▫ 2A3 Sovtek characteristics ▫ 07-10-2005 05:10 PM - 16 replies
▫ 300b filament q, yes another one. ▫ 07-10-2005 07:00 AM - 7 replies
▫ Amp repair help needed. ▫ 07-10-2005 03:18 AM - 2 replies
▫ 833a SE Peak A.F. Grid Voltage ▫ 07-09-2005 10:09 PM - 4 replies
▫ DHP driver for 845 ▫ 07-09-2005 02:09 PM - 1 reply
▫ Fisher 55-a ▫ 07-08-2005 08:52 PM - 0 replies
▫ Ultralinear Miller capacitance ▫ 07-08-2005 08:02 PM - 3 replies
▫ Simplest OTL? ▫ 07-08-2005 07:59 PM - 30 replies
▫ presence control ▫ 07-08-2005 07:03 PM - 0 replies
▫ Black Gate N cathode formation voltage ▫ 07-08-2005 02:20 PM - 0 replies
▫ Any other reported fragility for 6H30pi? ▫ 07-08-2005 10:14 AM - 0 replies
▫ Help! circuit diagram ▫ 07-08-2005 06:49 AM - 0 replies
▫ Another Gm70 amp !! ▫ 07-07-2005 08:16 PM - 4 replies
▫ 833a Amp 75W SE ▫ 07-07-2005 04:43 PM - 5 replies
▫ Black Gate N-series question ▫ 07-07-2005 02:04 PM - 4 replies
▫ Koren's spice models ▫ 07-07-2005 12:03 PM - 31 replies
▫ 50 Power triode ▫ 07-07-2005 08:46 AM - 14 replies
▫ 300B+ ▫ 07-07-2005 08:46 AM - 5 replies
▫ Vertical deflection tubes for audio output? ▫ 07-07-2005 07:21 AM - 53 replies
▫ warmth in different tube types ▫ 07-07-2005 05:56 AM - 16 replies
▫ OT data ▫ 07-07-2005 05:55 AM - 11 replies
▫ Sansui 1000A OPT's ▫ 07-07-2005 01:23 AM - 1 reply
▫ CF biasing and load ???s ▫ 07-06-2005 11:35 PM - 19 replies
▫ improving the Mcintosh C22 ▫ 07-06-2005 07:08 PM - 22 replies
▫ An amp that melts 6L6s? ▫ 07-06-2005 04:57 PM - 5 replies
▫ 8ohm speaker on 15 or 3.5 ohm tranny ▫ 07-06-2005 06:29 AM - 1 reply
▫ Choosing a brand as a standard ▫ 07-05-2005 11:37 PM - 1 reply
▫ The power of transformation ▫ 07-05-2005 09:59 PM - 9 replies
▫ wanted- 845 pwr amp p.p. ▫ 07-05-2005 07:42 PM - 1 reply
▫ Heathkit S-33 Information needed. ▫ 07-05-2005 06:52 PM - 19 replies
▫ Leak Stereo 20 - solid state rectifier? ▫ 07-05-2005 03:59 PM - 17 replies
▫ My rebuild 6sn7gt tubes line pre-amp. ▫ 07-05-2005 02:38 PM - 18 replies
▫ CircuitMaker Vacuum Tube model ▫ 07-05-2005 09:51 AM - 20 replies
▫ Mf X-pre ▫ 07-05-2005 07:46 AM - 0 replies
▫ E182CC, E88CC SRPP at low voltage ▫ 07-05-2005 06:46 AM - 6 replies
▫ Debugging my Aikido ▫ 07-04-2005 10:19 PM - 38 replies
▫ SRPP linestage help ▫ 07-04-2005 08:39 PM - 7 replies
▫ Transformer question ▫ 07-04-2005 01:26 PM - 1 reply
▫ Tube Spice Model Problem ▫ 07-04-2005 06:02 AM - 5 replies
▫ Just found a zenith 7g01z in the basement ▫ 07-04-2005 04:14 AM - 3 replies
▫ your next level story - Philosophy of EE 101 ▫ 07-04-2005 03:48 AM - 0 replies
▫ JLTI Tube Preamp ▫ 07-04-2005 02:16 AM - 1 reply
▫ squeal in amplifier ▫ 07-03-2005 09:56 PM - 5 replies
▫ ALTEC Line & Bridging Transformer Data?? ▫ 07-03-2005 06:23 PM - 1 reply
▫ Tube noob needs some help on PSU ▫ 07-03-2005 02:47 AM - 5 replies
▫ Preamp PSU Design Help ▫ 07-02-2005 08:58 PM - 18 replies
▫ GZ37 Substitution? ▫ 07-02-2005 08:33 PM - 6 replies
▫ help disigning 12AY7 based mic pre ▫ 07-02-2005 04:35 PM - 0 replies
▫ I m confuse ! expert help ▫ 07-02-2005 12:45 PM - 8 replies
▫ Removing a pot. ▫ 07-02-2005 12:23 PM - 4 replies
▫ diyparadiso kits? ▫ 07-02-2005 12:06 PM - 5 replies
▫ Help with linestage power supply ▫ 07-02-2005 06:40 AM - 22 replies
▫ TX103 - RJM 6DJ8 - TX102 preamp ▫ 07-02-2005 03:09 AM - 3 replies
▫ Replace the field coil spk with Electromagnetic dynamic spk ▫ 07-01-2005 05:59 PM - 6 replies
▫ Gu50 output problems ▫ 07-01-2005 02:17 PM - 29 replies
▫ SRPP: adifferent perspective ▫ 07-01-2005 11:09 AM - 43 replies
▫ Fixed or self bias? ▫ 07-01-2005 09:13 AM - 33 replies
▫ 211 amp PSU question ▫ 07-01-2005 08:08 AM - 5 replies
▫ Help! transformer overheating! ▫ 07-01-2005 06:56 AM - 14 replies
▫ more ebay stuff ▫ 07-01-2005 01:41 AM - 38 replies
▫ 6KG6, output stage & PSpice ▫ 06-30-2005 10:15 PM - 3 replies
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