diyAudio Forums Archive > Top > Amplifiers > Tubes Pages: 1 2 3 [4] 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60  Tubes - Showing threads 601 to 800 of 11912 available ▫ PP EL84 Build Questions (Bevois Valley) ▫ 07-08-2008 03:38 PM - 19 replies ▫ Tube line stage output impedance ▫ 07-08-2008 03:21 PM - 25 replies ▫ volume between gain stages ▫ 07-08-2008 11:38 AM - 1 reply ▫ Dyna ST70 PWR Tranny 6.3V Crnt Spec? ▫ 07-08-2008 05:22 AM - 6 replies ▫ Next Project - Darling Amplifier or 45 ▫ 07-08-2008 02:42 AM - 5 replies ▫ Options on Great Sounding DIY Tube Headphone Amp ▫ 07-07-2008 11:31 PM - 5 replies ▫ tube magazines ▫ 07-07-2008 09:53 PM - 15 replies ▫ PSU choke help please ▫ 07-07-2008 09:42 PM - 4 replies ▫ PCB Trace properties for PP tube amplifier ( 12AQ5, 6v6 etc) ▫ 07-07-2008 06:24 PM - 8 replies ▫ TubelabSE phase ▫ 07-07-2008 04:50 PM - 2 replies ▫ EML 300B XLS and Mesh comparison ▫ 07-07-2008 08:45 AM - 9 replies ▫ UL - triode switch ▫ 07-07-2008 06:46 AM - 2 replies ▫ Spud anyone? ▫ 07-07-2008 02:50 AM - 49 replies ▫ Nooo! Almost have this amp built! ▫ 07-07-2008 01:00 AM - 13 replies ▫ Need help - Old cap can ID ▫ 07-06-2008 06:40 PM - 5 replies ▫ 16SL7+6SN7 Aikido ▫ 07-06-2008 04:39 PM - 4 replies ▫ 1600Hz Transformer? ▫ 07-06-2008 12:03 PM - 6 replies ▫ Anyone have a Bogen MX 60 Schematic they can post ▫ 07-06-2008 05:43 AM - 2 replies ▫ mc100b burned up ▫ 07-06-2008 04:14 AM - 0 replies ▫ DC heating, parallel diodes ▫ 07-06-2008 02:45 AM - 11 replies ▫ Identify Amperex Tube? ▫ 07-06-2008 01:47 AM - 3 replies ▫ Which speaker tap when going from UL to triode ▫ 07-05-2008 06:52 PM - 4 replies ▫ Tube wont bias... ▫ 07-05-2008 06:42 PM - 4 replies ▫ DIY stepped attenuator ▫ 07-05-2008 04:17 PM - 5 replies ▫ TV-7/DU KT88 Settings? ▫ 07-05-2008 04:11 PM - 3 replies ▫ Filmosound - Tone Knob - Tertiaries ▫ 07-05-2008 02:54 PM - 4 replies ▫ Hybrid Amp, Tube+MOS FET SE ▫ 07-05-2008 01:55 PM - 2 replies ▫ 3.1 integrated possible? ▫ 07-05-2008 01:37 PM - 4 replies ▫ Plate choke material, why to use amorphous core? ▫ 07-05-2008 11:48 AM - 5 replies ▫ Anything obviously wrong with my mic pre amp ? ▫ 07-04-2008 09:29 PM - 16 replies ▫ K-502 or Yamaha RX-V361 for Klipsch F-1? ▫ 07-04-2008 02:11 PM - 3 replies ▫ Help diagnosing phase-splitter ▫ 07-04-2008 11:50 AM - 13 replies ▫ question about Bruce's GGP preamp ▫ 07-03-2008 11:54 PM - 6 replies ▫ Rickenbacher amp HELP!!! ▫ 07-03-2008 05:33 PM - 2 replies ▫ interpreting max. values listed in datasheet ▫ 07-03-2008 04:30 PM - 7 replies ▫ zenith mlt 15 console record player problem ▫ 07-03-2008 04:01 PM - 14 replies ▫ ORIENTED or Not ORIENTED cores for OPT ▫ 07-03-2008 02:19 PM - 14 replies ▫ Guitar amp recommendation ▫ 07-03-2008 08:15 AM - 22 replies ▫ Audio Research SP-3-A-1 modified......... ▫ 07-03-2008 06:40 AM - 0 replies ▫ Tube heaters in series. ▫ 07-03-2008 02:10 AM - 5 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 - 9 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 - 74 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 - 5 replies ▫ AC wiring heaters, A or B ? ▫ 07-01-2008 08:13 PM - 10 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 - 4 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 - 2 replies ▫ Concertina Parafeed, or How to mess with OldEurope's mind... ▫ 06-30-2008 03:52 AM - 25 replies ▫ Phono stage success! ▫ 06-30-2008 02:48 AM - 39 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 - 19 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 - 20 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 - 2 replies ▫ 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 - 5 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 - 4 replies ▫ loftin white 801 amp ▫ 06-27-2008 03:18 AM - 15 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 - 18 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 - 69 replies ▫ 317 CCS Question ▫ 06-25-2008 04:54 AM - 22 replies ▫ Active filter design software ▫ 06-25-2008 02:21 AM - 25 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 - 67 replies ▫ Repairing a tape echo with tubes (Dynacord Echocord Super 62a) ▫ 06-23-2008 07:31 AM - 38 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 - 19 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 - 64 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 - 40 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 - 17 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 - 6 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 - 83 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 - 35 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

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