| Tubes - Showing threads 4601 to 4800 of 11693 available |
▫ Suggestions for a high end tube amp kit ▫ 11-06-2006 12:55 PM - 36 replies
▫ Conrad Johnson PV 7 problem ▫ 11-06-2006 11:58 AM - 8 replies
▫ Math to calc optimal voltage of tube dac to match amp input sensitivity? ▫ 11-06-2006 01:48 AM - 7 replies
▫ Power supply dilemma ▫ 11-05-2006 11:24 PM - 22 replies
▫ Transformer Placement 5E3 ▫ 11-05-2006 08:36 PM - 2 replies
▫ Please help: no sound and blown fuse ▫ 11-05-2006 04:54 PM - 5 replies
▫ sparking Output transformer In Webcor 14x240 Amp ▫ 11-05-2006 04:05 PM - 2 replies
▫ Designing my very first tube amp... ▫ 11-05-2006 03:36 AM - 15 replies
▫ Diode bridge for Valve Buffered GC ▫ 11-04-2006 07:07 PM - 3 replies
▫ 6S41S (6C41C) Amplifier ▫ 11-04-2006 04:37 PM - 5 replies
▫ audio research sp11 upgrade help please ▫ 11-04-2006 01:58 PM - 4 replies
▫ The good, the bad, and the ugly OTL amplifiers ▫ 11-04-2006 12:44 PM - 46 replies
▫ Z2b tube rectifier ▫ 11-04-2006 11:48 AM - 3 replies
▫ Sparks inside GZ34 ▫ 11-04-2006 11:43 AM - 8 replies
▫ Help with EV4417 6cm5/EL36 ▫ 11-04-2006 04:13 AM - 1 reply
▫ Guitar Amps, Overdrive Pedals, and Space Charged Tubes ▫ 11-04-2006 12:25 AM - 14 replies
▫ My Cornet2 Tube Phono Preamp ▫ 11-03-2006 11:00 PM - 22 replies
▫ bright switch to bias circuit? ▫ 11-03-2006 04:18 PM - 3 replies
▫ Regulated AC...thought some of you might be interested ▫ 11-03-2006 04:04 PM - 26 replies
▫ Aikido PSU - integrated or standalone??? ▫ 11-03-2006 03:30 PM - 7 replies
▫ Frank Philipse's tube site ▫ 11-03-2006 01:54 PM - 4 replies
▫ World' smallest GM-70 set ▫ 11-03-2006 07:48 AM - 15 replies
▫ Question on output hum on tube amp? ▫ 11-02-2006 06:04 PM - 11 replies
▫ Aikido Preamp ▫ 11-02-2006 05:39 PM - 21 replies
▫ Argh!! ▫ 11-02-2006 04:35 PM - 12 replies
▫ EL84 bias point ▫ 11-02-2006 04:18 PM - 2 replies
▫ Coupling cap rating ▫ 11-02-2006 11:26 AM - 4 replies
▫ Regulated power supply ▫ 11-02-2006 09:09 AM - 2 replies
▫ outstanding book?? ▫ 11-02-2006 07:31 AM - 5 replies
▫ when the datasheet says "vertical mounting: up or down", does it mean... ▫ 11-02-2006 02:37 AM - 1 reply
▫ half wave rectifier will not saturate transformer core? ▫ 11-02-2006 01:42 AM - 1 reply
▫ Did I get in over my head too soon?!? ▫ 11-02-2006 12:55 AM - 15 replies
▫ Parallel output tubes ▫ 11-01-2006 09:07 PM - 22 replies
▫ Dropping filament volts/ L-W ramblings ▫ 11-01-2006 08:32 PM - 3 replies
▫ Rogers Cadet III Power problem ? ▫ 11-01-2006 03:44 PM - 33 replies
▫ about bi-cap ▫ 11-01-2006 03:27 PM - 1 reply
▫ HOT Iron ? ▫ 11-01-2006 12:32 AM - 23 replies
▫ how to set current in G Pimm's latest self-biasing CCS circuit? ▫ 10-31-2006 11:36 PM - 0 replies
▫ Low pass active tube crossover ▫ 10-31-2006 07:26 PM - 2 replies
▫ Ecological recycling amplifier (6CU6) ▫ 10-31-2006 11:21 AM - 11 replies
▫ Need ECF80 / 6BL8 tube spice 3f4 model ▫ 10-31-2006 11:07 AM - 14 replies
▫ Capacitor above chassis ▫ 10-31-2006 07:45 AM - 14 replies
▫ PS Help ▫ 10-31-2006 02:10 AM - 4 replies
▫ Bogen-Stein! mx60a mx-60a mo100a mo-100a ▫ 10-30-2006 10:48 PM - 11 replies
▫ Transmitter tubes ▫ 10-30-2006 07:53 PM - 1 reply
▫ Power Supply Construction ▫ 10-30-2006 07:43 PM - 1 reply
▫ what are the advantages of double core output transformers vs EI ? ▫ 10-30-2006 06:31 PM - 12 replies
▫ What is a reasonable amount ripple voltage for a 300B? ▫ 10-30-2006 03:57 PM - 3 replies
▫ "Old Like" sound transformer with a Tube ! ▫ 10-30-2006 12:43 PM - 3 replies
▫ I coined the phrase HIGH VIVIDITY, to differentiate our amps from High Fidelity ones ▫ 10-29-2006 06:40 PM - 8 replies
▫ P-P resistance oddity ▫ 10-29-2006 04:51 PM - 6 replies
▫ Tube preamp vs. solid state ▫ 10-29-2006 06:10 AM - 16 replies
▫ 6l6 penthode triode ▫ 10-28-2006 06:27 PM - 1 reply
▫ Rising hum when turntable is plugged into preamp ?? ▫ 10-28-2006 05:12 PM - 12 replies
▫ 6SL7 or 6SL7GT for broken Tubalizer ▫ 10-28-2006 03:11 PM - 89 replies
▫ Aikido PCB and AC filaments. ▫ 10-28-2006 11:45 AM - 6 replies
▫ Help with 300b proyect. ▫ 10-28-2006 08:15 AM - 6 replies
▫ 6P14P Amp Scratch Build ▫ 10-28-2006 04:38 AM - 41 replies
▫ 6GH8 - A Little Off? ▫ 10-28-2006 02:46 AM - 2 replies
▫ design and personality ▫ 10-28-2006 01:49 AM - 50 replies
▫ An all DHT push pull amp. ▫ 10-27-2006 11:51 PM - 3 replies
▫ Junk Pile Linestage ▫ 10-27-2006 11:09 PM - 6 replies
▫ need tube rectifier info ▫ 10-27-2006 03:50 PM - 6 replies
▫ Question on voltages ▫ 10-27-2006 10:37 AM - 11 replies
▫ How to change this design from penthode to triode or UL ▫ 10-27-2006 07:31 AM - 8 replies
▫ what glass-ware program? ▫ 10-27-2006 06:09 AM - 1 reply
▫ aikido 12b4 input 6sn7 output??? ▫ 10-26-2006 10:43 PM - 1 reply
▫ GZ34 and temperature ▫ 10-26-2006 08:33 PM - 2 replies
▫ schematic search crate bv-60 ▫ 10-26-2006 01:57 PM - 0 replies
▫ First Guitar Amp Help ▫ 10-26-2006 08:21 AM - 25 replies
▫ power supply for my single ended amp ▫ 10-26-2006 07:30 AM - 23 replies
▫ transmitter tube amp ▫ 10-26-2006 06:24 AM - 85 replies
▫ resistor and capacitor values for Aikido preamp ▫ 10-25-2006 07:54 PM - 8 replies
▫ need opinion on 2nd hand AF analyzers prices ▫ 10-25-2006 06:56 PM - 20 replies
▫ DH rectifier hookup. ▫ 10-25-2006 06:44 PM - 7 replies
▫ WE 310A vs. Russian 310A in WE91 ▫ 10-25-2006 12:55 PM - 5 replies
▫ CRC PSU for preamp ▫ 10-25-2006 12:42 PM - 2 replies
▫ Question on the installation of LL1668 plate choke ▫ 10-25-2006 06:10 AM - 3 replies
▫ max plate voltage rating in tube datasheet ▫ 10-25-2006 02:29 AM - 11 replies
▫ Tube for a shunt voltage regulator ▫ 10-24-2006 11:29 PM - 14 replies
▫ choosing cap values for aikido ▫ 10-24-2006 11:00 PM - 2 replies
▫ Tubes in the Intermediate Stage ▫ 10-24-2006 10:31 PM - 0 replies
▫ c3m + 300b + miller capacitance ▫ 10-24-2006 07:23 PM - 6 replies
▫ How do I bias up a constant current series filament circuit? ▫ 10-24-2006 02:08 PM - 19 replies
▫ The perfect phono preamp. ▫ 10-24-2006 11:01 AM - 63 replies
▫ Got my 6BG6GA's last night ▫ 10-24-2006 10:43 AM - 10 replies
▫ Tubes4HiFi SP-6 preamp ▫ 10-24-2006 03:09 AM - 3 replies
▫ Stupid electrolytic cap question....... ▫ 10-23-2006 11:03 PM - 4 replies
▫ Shuguang 807s? ▫ 10-23-2006 10:55 PM - 14 replies
▫ LX-72A Sanity Check for Noooobie? ▫ 10-23-2006 09:35 PM - 5 replies
▫ Seeking schematic from Elector mag. ▫ 10-23-2006 07:32 PM - 0 replies
▫ Convert EL84 to 6V6? Anyone try this? ▫ 10-23-2006 06:58 PM - 4 replies
▫ PC96 ▫ 10-23-2006 04:26 PM - 7 replies
▫ Ultrapath output transformers ▫ 10-23-2006 03:55 PM - 10 replies
▫ Grant RIAA phono with 12AX7/ECC83 ▫ 10-23-2006 01:15 PM - 12 replies
▫ Tube VS SS voltage regulators - any advantages? ▫ 10-23-2006 02:34 AM - 14 replies
▫ Ra-a?? ▫ 10-23-2006 01:41 AM - 2 replies
▫ Help with my el509 amp almost done but with one problem. ▫ 10-22-2006 10:29 PM - 5 replies
▫ McIntosh chassis help needed ▫ 10-22-2006 10:22 PM - 1 reply
▫ Tube Voltage Regulator Design ▫ 10-22-2006 09:17 PM - 61 replies
▫ DC Tube Amplifiers ▫ 10-22-2006 04:49 PM - 14 replies
▫ Coupling cap voltage rating ▫ 10-22-2006 01:37 PM - 9 replies
▫ Anyone experienced in the 76 tube? ▫ 10-22-2006 02:30 AM - 22 replies
▫ aikido thump ▫ 10-22-2006 12:17 AM - 16 replies
▫ bypassing preamp board in integrated amp ▫ 10-21-2006 11:01 PM - 1 reply
▫ Mallory FP 2x30/500 for Scott LX-72 - NOOB ▫ 10-21-2006 03:30 PM - 4 replies
▫ is it really required to use carbon comp for grid stoppers? ▫ 10-21-2006 01:41 PM - 23 replies
▫ How much trickle current can fixed bias cathode batteries stand? ▫ 10-20-2006 10:44 PM - 5 replies
▫ Who is the administrator? ▫ 10-20-2006 07:00 PM - 5 replies
▫ LM329 as voltage reference in a CCS. ▫ 10-20-2006 02:38 PM - 9 replies
▫ Euridice Preamp with 5842 and LL1660 ▫ 10-20-2006 01:07 PM - 6 replies
▫ Trans. alignments ▫ 10-20-2006 06:16 AM - 1 reply
▫ Audio Note M3 Kit modification ▫ 10-20-2006 05:21 AM - 9 replies
▫ Has anyone simulated an "Aikido" amplifier? ▫ 10-20-2006 04:00 AM - 7 replies
▫ Upgrading ST70 PS w/ SS question ▫ 10-20-2006 01:26 AM - 14 replies
▫ 6N1 Chinese tube and others ▫ 10-19-2006 10:16 PM - 10 replies
▫ 12AT7 Linestage design ▫ 10-19-2006 09:07 PM - 32 replies
▫ ECF80 instead of 7199 ▫ 10-19-2006 08:22 PM - 10 replies
▫ need help building tube headphone amp ▫ 10-19-2006 07:51 PM - 5 replies
▫ Modifying a tube tester into a curve tracer (oscilloscope X/Y outputs) ? ▫ 10-19-2006 06:31 PM - 27 replies
▫ 6922 vs 6SN7 ▫ 10-19-2006 05:53 PM - 92 replies
▫ Muting line level signals ▫ 10-19-2006 05:53 PM - 8 replies
▫ Transformer DCR's ▫ 10-19-2006 05:36 PM - 2 replies
▫ ferrite beads v. grid resistor ▫ 10-19-2006 04:23 PM - 8 replies
▫ What went wrong with my amp? Bass driver strange movement. ▫ 10-19-2006 03:58 AM - 10 replies
▫ Toccata Phono Preamp ▫ 10-18-2006 11:23 PM - 19 replies
▫ Drawbacks of Parafeed? ▫ 10-18-2006 07:48 PM - 17 replies
▫ aikido problem ▫ 10-18-2006 07:37 PM - 13 replies
▫ RS253 giant SE monoblock (Chinese) ▫ 10-18-2006 07:12 PM - 12 replies
▫ Plate chokes & Power chokes ▫ 10-18-2006 03:29 PM - 3 replies
▫ 10uF filter cap too small? PSU schematic inside ▫ 10-18-2006 01:18 AM - 20 replies
▫ HOT ROD DELUXE: CRACKLE...POP...what to do? ▫ 10-18-2006 12:03 AM - 10 replies
▫ converting Baldwin organ amp to guitar ▫ 10-17-2006 02:59 PM - 16 replies
▫ best amp for rock n roll ▫ 10-17-2006 09:17 AM - 19 replies
▫ quick question about tube relays ▫ 10-17-2006 08:05 AM - 10 replies
▫ Yeo's Simple EL84 with a twist ▫ 10-17-2006 02:42 AM - 19 replies
▫ ST-70 OPT, A-470 question ▫ 10-17-2006 01:40 AM - 11 replies
▫ meixing 805 tube amp problems ▫ 10-16-2006 06:44 PM - 11 replies
▫ Advice for NOOBie - Dad's Scott LK-72 ▫ 10-16-2006 05:35 PM - 26 replies
▫ Peavey Valve King 112 ▫ 10-16-2006 03:16 PM - 1 reply
▫ KT66 SE amp, grid current or not? ▫ 10-16-2006 11:45 AM - 18 replies
▫ 269EX in a champ? ▫ 10-16-2006 04:12 AM - 6 replies
▫ How do I achieve more output power? ▫ 10-16-2006 02:13 AM - 4 replies
▫ Driver stage load resistor ▫ 10-15-2006 12:46 PM - 3 replies
▫ More Edcor XSM10K/10K Specs ▫ 10-15-2006 04:51 AM - 8 replies
▫ DC filament ▫ 10-15-2006 02:03 AM - 5 replies
▫ driver stages ▫ 10-14-2006 06:34 PM - 20 replies
▫ Bay Area DIY is Cancelled Because.... ▫ 10-14-2006 09:36 AM - 3 replies
▫ Is constant filament current better way to build amps? ▫ 10-14-2006 03:53 AM - 74 replies
▫ Next amp build - Trainwreck - Princeton - Deluxe ??? ▫ 10-14-2006 02:58 AM - 9 replies
▫ Quicksilver M135 Output Transformers Color Code? ▫ 10-13-2006 09:17 PM - 2 replies
▫ Dynaco ST70 clone, tubes substitution question ▫ 10-13-2006 10:29 AM - 5 replies
▫ caddocks mk132: has anyone used them for tube projects? ▫ 10-13-2006 05:28 AM - 4 replies
▫ DIY Pro Audio Recording Gear - La2a, Pultec, more. ▫ 10-13-2006 04:14 AM - 3 replies
▫ size of filtering caps SS vs OTL tube ▫ 10-13-2006 01:21 AM - 3 replies
▫ Current rating and tube current draw ▫ 10-12-2006 10:55 PM - 1 reply
▫ NUCLON -- My first hybrid guitar amp ▫ 10-12-2006 09:01 PM - 5 replies
▫ PP splitters again ▫ 10-12-2006 05:23 PM - 16 replies
▫ preamp with output trannies. ▫ 10-12-2006 01:50 PM - 6 replies
▫ Is it the 6SN7 or me? ▫ 10-12-2006 06:24 AM - 4 replies
▫ My Kind of Guitar Tuner ▫ 10-12-2006 04:27 AM - 2 replies
▫ Regulating tube amp power supply - can Iget away with a simpler CLC filtering scheme? ▫ 10-12-2006 04:10 AM - 0 replies
▫ Manufacture date of 6SN7s ▫ 10-12-2006 01:26 AM - 5 replies
▫ simple 12AU7 cathode follower ▫ 10-11-2006 10:09 PM - 18 replies
▫ How's your bench, what's your favorite setup/tool ? ▫ 10-11-2006 07:01 PM - 3 replies
▫ Siemens H42 AM/FM receiver circuit diagram? ▫ 10-11-2006 05:14 PM - 4 replies
▫ 429A load lines ▫ 10-11-2006 02:19 PM - 0 replies
▫ Mu-stage on output ▫ 10-11-2006 01:38 PM - 11 replies
▫ My new project, 2 x KT88 60W amp ▫ 10-11-2006 01:56 AM - 31 replies
▫ Tube Amp Hum ▫ 10-10-2006 09:29 PM - 3 replies
▫ Modding MEIXING MC 3008 ▫ 10-10-2006 09:04 PM - 1 reply
▫ crate vc 2110 schematic ??? ▫ 10-10-2006 07:06 PM - 1 reply
▫ Will this work for an EL84 push pull? ▫ 10-10-2006 05:24 PM - 5 replies
▫ "Integrated" or "stand alone" ▫ 10-10-2006 04:55 PM - 13 replies
▫ Heater to cathode voltage limits in cascodes??? ▫ 10-10-2006 03:05 PM - 1 reply
▫ some Japanese can help me? (OPT trafo winding) ▫ 10-10-2006 03:04 PM - 6 replies
▫ Quicksilver 8417 a class C amp? ▫ 10-10-2006 11:11 AM - 4 replies
▫ Newcomer, where to start? ▫ 10-10-2006 06:36 AM - 23 replies
▫ Benefits of Potted Output Transformers ▫ 10-10-2006 03:29 AM - 44 replies
▫ Transformer question ▫ 10-10-2006 01:48 AM - 5 replies
▫ 6AW6A, Unloaded ▫ 10-10-2006 01:20 AM - 13 replies
▫ Aikido PSU help ▫ 10-09-2006 11:05 PM - 48 replies
▫ Rectifier that doesn't need own filament supply? ▫ 10-09-2006 03:22 PM - 15 replies
▫ Plate to Cathode Cap -- what's this?? ▫ 10-09-2006 12:22 PM - 14 replies
▫ Need Help Understanding/Optimising a Schematic ▫ 10-09-2006 05:05 AM - 43 replies
▫ Simple basic question quick ▫ 10-08-2006 11:41 PM - 4 replies
▫ problem on thorens PR15 (strange filaments circuity) ▫ 10-08-2006 08:14 PM - 15 replies
▫ My 1W 5687 SE Direct Coupled Power Amp ▫ 10-08-2006 01:23 PM - 4 replies
▫ VT-25 linestage + step-down trafo ▫ 10-08-2006 11:09 AM - 3 replies
▫ What to do with 803's ▫ 10-08-2006 05:53 AM - 6 replies
▫ Newbie: KT88 amp info needed ▫ 10-08-2006 03:46 AM - 2 replies
▫ 805 tube amp, uProcessor controlled ▫ 10-08-2006 03:06 AM - 8 replies
▫ Class A Tube BJT Hybrid ▫ 10-08-2006 02:05 AM - 33 replies
▫ John Broskie's enhanced T8 ▫ 10-07-2006 03:40 PM - 13 replies
▫ Audio Research SP6 E ▫ 10-07-2006 02:14 PM - 1 reply
▫ André Charlin anybody got his Tube Amp ▫ 10-07-2006 01:47 PM - 1 reply
▫ Info needed - Shuguang SG120-C Integrated Amp ▫ 10-06-2006 09:16 PM - 0 replies
▫ Help with 6SN7 preamp ▫ 10-06-2006 07:10 PM - 7 replies
▫ 12b4 vs. aikido linestage ▫ 10-06-2006 04:55 PM - 2 replies
▫ KT88/6550 as Triode ▫ 10-06-2006 02:59 PM - 11 replies
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