Audio Project Amplifier Speaker Loudspeaker Kit
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Tubes - Showing threads 10001 to 10200 of 11696 available
Nelson Pass-D1-DAC-Output-Stage with tubes ?01-02-2004 04:01 PM - 0 replies
High Freq. AC Power for Filaments of 300B SE Power Amp?01-02-2004 03:27 PM - 6 replies
Harman Kardon Citation II : love/hate relationships01-01-2004 03:01 PM - 7 replies
Happy New Year !01-01-2004 06:57 AM - 0 replies
6c45pi : sonic utopia or sonic hell?01-01-2004 12:50 AM - 29 replies
turning a SE 6v6 to a 6bq5 amp12-31-2003 05:36 PM - 25 replies
ASL Wave 2012-31-2003 05:16 PM - 0 replies
EL32 tube12-31-2003 12:12 PM - 8 replies
50'S GRETSCH tube amp scematics?12-31-2003 05:37 AM - 1 reply
"Balanced power"12-30-2003 08:56 PM - 21 replies
SE amps opinions for my second amp build needed?12-30-2003 04:21 PM - 6 replies
transformer hum12-30-2003 11:37 AM - 27 replies
My EAR834 dropped dead! Help!12-30-2003 10:03 AM - 8 replies
schmatic for the audio section of A Fisher K-14 chassis12-30-2003 07:42 AM - 1 reply
Help me choose a Tube Amp. Project12-29-2003 09:33 PM - 36 replies
KT88SE with ECC8212-29-2003 06:36 PM - 16 replies
Oscillating Mullard5-2012-29-2003 05:22 PM - 3 replies
Distortion in 807 amplifier - please advise12-29-2003 12:56 PM - 79 replies
Unity Gain Tube Buffer12-29-2003 05:10 AM - 41 replies
Looking for a tweeter amp12-28-2003 10:42 PM - 0 replies
Quicksilver?12-28-2003 10:41 PM - 20 replies
beginner amp choice question12-28-2003 04:49 PM - 4 replies
AC coupling12-27-2003 09:05 PM - 6 replies
designing SS power supply12-27-2003 09:03 PM - 15 replies
Fender Guitar Amp modifications12-27-2003 08:42 PM - 2 replies
Resistors in power supply12-27-2003 11:52 AM - 19 replies
Triodes with an extra grid12-27-2003 03:03 AM - 4 replies
ECC81 or 83 or 85 or 88 ???12-26-2003 03:44 PM - 1 reply
Fisher FM50-B Schematic Needed12-26-2003 01:30 PM - 2 replies
Audio Research Database12-26-2003 01:04 PM - 0 replies
MJ-Magazine12-26-2003 08:06 AM - 4 replies
so i get common tubes free... now i just need a project12-26-2003 05:04 AM - 36 replies
current source...12-25-2003 10:43 PM - 10 replies
Help with integrated DPP amplifier.12-25-2003 08:30 PM - 5 replies
WE old tube question12-25-2003 05:57 PM - 6 replies
Looking for a 6550 recommendation...12-25-2003 08:25 AM - 0 replies
Counterpoint Manual12-25-2003 06:43 AM - 8 replies
Cathode bipass capacitor and transformer impedience12-25-2003 12:22 AM - 9 replies
Finally got a tube amp circuit to work!!! (mild debug help needed)12-24-2003 11:12 PM - 1 reply
inrush current12-24-2003 08:17 PM - 8 replies
Sylvania Chrome top 6SN7 tube12-24-2003 07:37 PM - 15 replies
High gain Tube amp problems12-24-2003 12:32 AM - 0 replies
12 volt tube preamp help12-23-2003 05:37 PM - 5 replies
Pearl Audio Archives status12-23-2003 12:26 PM - 2 replies
Your opinion on 813?12-23-2003 07:27 AM - 5 replies
Hi; i am new to tubes12-23-2003 12:07 AM - 16 replies
cheapest output transformer for a SE EL84 guitar12-22-2003 10:49 PM - 12 replies
Filiment transformer question12-22-2003 05:09 PM - 1 reply
Electrolytic Capacitor Insulation12-21-2003 11:48 PM - 2 replies
Rca 80812-21-2003 12:22 AM - 2 replies
Push pull class A bias question12-20-2003 10:02 PM - 30 replies
Twists per inch on filament wiring?12-20-2003 04:28 PM - 12 replies
Lynn Olson's web site: AWOL?12-20-2003 02:03 PM - 1 reply
Affordable "starter" SE amp12-20-2003 02:02 PM - 24 replies
SRPP is....?12-19-2003 11:23 AM - 8 replies
guitar amp input jack help12-19-2003 12:49 AM - 16 replies
interstage coupling12-18-2003 05:45 PM - 18 replies
Where are the 833 amps?12-18-2003 10:49 AM - 273 replies
E283cc12-18-2003 08:24 AM - 4 replies
OTL design recommendation? (6C33C maybe?)12-18-2003 12:48 AM - 12 replies
6AU4GTA as High voltage rectifier12-17-2003 05:52 PM - 19 replies
Question12-17-2003 04:52 PM - 8 replies
where can I buy fully assembled tube amplifiers here in the U.S12-17-2003 05:10 AM - 2 replies
cryod 6922s12-17-2003 03:17 AM - 7 replies
Speaker Impedance12-16-2003 09:00 PM - 8 replies
Parallel, single-ended Pentode. How?12-16-2003 02:31 PM - 2 replies
Electro Harmonix KT90?12-16-2003 07:14 AM - 73 replies
I have 1 pair of 1J6GT12-15-2003 11:42 PM - 5 replies
Mullard 5-20 again12-15-2003 08:26 PM - 3 replies
B+ power supply12-15-2003 09:05 AM - 16 replies
datasheet request12-15-2003 07:00 AM - 9 replies
Good tubes for Luxman pre-amp12-14-2003 11:44 AM - 9 replies
What is PTT216?12-14-2003 11:29 AM - 2 replies
E810F filter buffert in dac Q12-13-2003 09:07 PM - 4 replies
Ideas for 12AX7 / 6BQ5 headphone amp?12-13-2003 02:40 PM - 5 replies
ECL82/6BM8 as rectifier?12-12-2003 09:31 PM - 3 replies
Mesa Boogie Mark IV12-12-2003 08:20 PM - 7 replies
Replacement for 5R412-12-2003 02:25 PM - 8 replies
Replacement capacitors?12-12-2003 08:41 AM - 6 replies
6AS7 Svetlana schematics?12-11-2003 06:10 PM - 7 replies
10/10y/80112-11-2003 12:07 PM - 45 replies
Double checking my PSU and filter question.12-10-2003 12:49 AM - 0 replies
12B4A tube amplifier with output transformers12-09-2003 11:36 AM - 3 replies
Learned a lesson today12-09-2003 10:10 AM - 9 replies
What is a Hickok 533 worth?12-08-2003 11:08 PM - 3 replies
Kailin El3412-08-2003 09:01 PM - 5 replies
Substitute for 5842/417A12-08-2003 07:20 PM - 14 replies
Air travel with DIY tube gear.12-08-2003 10:10 AM - 19 replies
6C45 211 Amp12-08-2003 04:08 AM - 4 replies
Lowering gain in 12AX7 SRPP preamp12-07-2003 11:56 PM - 26 replies
tube amp/speaker match12-07-2003 12:50 AM - 10 replies
bifilar output trans in single ended amp12-06-2003 04:08 PM - 6 replies
Just to introduce myself12-06-2003 12:25 PM - 2 replies
i finished my first amp12-06-2003 01:59 AM - 12 replies
Citation II output transformers12-05-2003 03:37 PM - 10 replies
type 27 pre12-05-2003 08:56 AM - 14 replies
6072 replacement, pls help12-05-2003 12:08 AM - 3 replies
Zen SE84cs transfomer upgrade? Plitron Toroidal?12-04-2003 07:02 PM - 5 replies
Has anyone on this forum heard a gainclone?12-04-2003 06:20 PM - 21 replies
EL 34 parallel push pull (quad)12-04-2003 03:33 AM - 33 replies
K&K Audio Balanced Linestage12-04-2003 12:11 AM - 9 replies
Room resonances12-03-2003 08:02 PM - 28 replies
EL-84 Integrated amp Project12-03-2003 02:32 PM - 2 replies
more newbie questions12-03-2003 04:45 AM - 2 replies
copland CVA 30612-02-2003 11:50 AM - 0 replies
Mullard 5-20 schematics12-02-2003 10:45 AM - 7 replies
Tube crossover for sub?12-02-2003 01:16 AM - 16 replies
Simple tube EQ?12-01-2003 02:11 AM - 16 replies
Just a few questions12-01-2003 01:48 AM - 6 replies
Tube Preamp for Apox Volume Control11-30-2003 02:16 PM - 19 replies
Hammond M3 Tube Amp Project11-29-2003 05:53 PM - 3 replies
Ultra linear g2-anode suppress11-29-2003 04:14 PM - 3 replies
Vacuum State Electronics FVP5A11-29-2003 03:07 AM - 28 replies
Mercury model 2000 tube tester11-28-2003 06:58 PM - 4 replies
Schematic of ID of this 6V6/6U8 stereo amp11-27-2003 07:01 PM - 8 replies
Operating points for #37 triode11-27-2003 04:56 PM - 1 reply
simple line buffer11-27-2003 12:48 PM - 14 replies
preamplifier with output transformers11-27-2003 07:21 AM - 9 replies
Preamp for guitar - low distortion11-25-2003 07:19 PM - 1 reply
F.S:unused tube measurer11-25-2003 01:43 PM - 1 reply
Nina Mu Stage Preamp - Circuit and Details11-24-2003 10:35 AM - 18 replies
Why are 6V6G(T)'s always black inside?11-24-2003 09:24 AM - 55 replies
Please clear this up 805 or pcl80511-24-2003 08:41 AM - 3 replies
What happend to svetlana tubes?11-24-2003 07:37 AM - 2 replies
penta11-24-2003 07:11 AM - 0 replies
6V6 guitar amp...11-23-2003 11:53 PM - 3 replies
Phase splitters: Constant current sources11-22-2003 09:22 PM - 10 replies
What do you think bout that???11-22-2003 09:35 AM - 13 replies
tube amp recommendation11-22-2003 02:06 AM - 8 replies
Want a tube amp. Tell me what should get...11-22-2003 01:11 AM - 9 replies
The lego-technics transformer winding setup11-21-2003 10:29 PM - 6 replies
Toroid transformers11-21-2003 02:34 PM - 1 reply
Hempel11-21-2003 11:43 AM - 0 replies
Help on SRPP line amp!11-20-2003 07:14 AM - 70 replies
leaking magnetic flux11-20-2003 02:59 AM - 1 reply
PS evaluation11-19-2003 08:50 PM - 36 replies
Diy Phono stage11-19-2003 03:39 PM - 12 replies
Ground on OTL11-18-2003 12:33 PM - 14 replies
Transformer Steel Material11-18-2003 05:23 AM - 11 replies
mid voltage tubes?11-18-2003 02:42 AM - 2 replies
stupid first-timer11-17-2003 08:07 PM - 9 replies
az1 rectifier, chokes and caps11-17-2003 06:31 PM - 6 replies
backwards transformers11-17-2003 03:35 PM - 24 replies
Need help - trying to increase gain by paralleling triode sections11-17-2003 06:14 AM - 14 replies
Auricaps11-17-2003 05:50 AM - 6 replies
SE 6EM7 amp11-17-2003 12:38 AM - 7 replies
Simple EL8411-16-2003 02:58 PM - 25 replies
E88CC preamplifier _ I need diagram11-15-2003 12:33 PM - 31 replies
Need good 10-20watt design11-15-2003 02:27 AM - 13 replies
Does anyone here use active (digital or otherwise) XOs or EQs or...11-14-2003 11:39 PM - 9 replies
Tube mic preamp11-14-2003 08:23 AM - 8 replies
help with AudioXpress cd-rom11-13-2003 08:53 PM - 0 replies
protecting output tubes at startup11-13-2003 08:20 PM - 10 replies
6N2, 6N6, 6N11 - Please help a beginner! (long)11-13-2003 06:26 PM - 21 replies
C core output transformer11-13-2003 05:45 AM - 8 replies
grounding11-13-2003 01:53 AM - 2 replies
Microphone Amp/Mixer11-12-2003 11:35 PM - 7 replies
Opinion solicitation / Shameless plug11-12-2003 04:15 PM - 2 replies
Sound Difference Old verses New Tubes11-12-2003 07:07 AM - 4 replies
Rewiring that EL50911-12-2003 06:36 AM - 1 reply
Russell Sadd's transformer design page.11-12-2003 04:10 AM - 4 replies
Article on Distortion11-12-2003 03:11 AM - 0 replies
wiring a 6ak5w as a triode11-11-2003 10:38 PM - 12 replies
Ankoru11-11-2003 08:51 PM - 5 replies
Basic Preamplifier (Balanced Output)11-11-2003 07:06 AM - 3 replies
DIY 5687 Preamp11-11-2003 05:52 AM - 17 replies
New tube project done in a BIG way11-11-2003 04:12 AM - 19 replies
Svetlana SV572-10 ???11-10-2003 03:25 PM - 24 replies
My boombox on.. tubes. :)11-10-2003 03:21 PM - 4 replies
From glass to mylar11-10-2003 09:54 AM - 11 replies
Suitable driver for Ultralinear?11-10-2003 03:08 AM - 10 replies
choke regulated power supply11-10-2003 12:20 AM - 20 replies
'Battery under cathode' bias - long-term users?11-09-2003 07:21 PM - 5 replies
Will russian 6H6P tube work instead of E88CC?11-09-2003 01:00 PM - 13 replies
few Qs, pentodes, srpp, ect...11-09-2003 03:00 AM - 15 replies
Power Supply Caps11-09-2003 12:28 AM - 31 replies
6072A Line-Amp11-08-2003 07:18 PM - 39 replies
Buying output transformers in Germany.11-08-2003 11:45 AM - 6 replies
Noob Toob Question11-08-2003 03:09 AM - 14 replies
Transformer Question11-08-2003 01:41 AM - 24 replies
High Powered 3cx300a1 Tube Amp11-07-2003 06:42 PM - 22 replies
Grounded Grid Trafo question11-07-2003 04:02 PM - 3 replies
PP 6AS7 "Maurits"11-07-2003 02:51 PM - 1 reply
Newbie, Tubeee11-07-2003 04:56 AM - 10 replies
Useful link for tube-hounds11-07-2003 12:10 AM - 0 replies
Vacuum tude diode help11-06-2003 02:14 PM - 2 replies
Long-winded capacitor question11-06-2003 07:09 AM - 12 replies
good simple SE circuit please11-05-2003 07:31 PM - 35 replies
Curcio or Triode Elec for ST-70 hot rod parts?11-05-2003 06:30 PM - 7 replies
6021w11-05-2003 03:26 PM - 6 replies
fvp5 dc output11-04-2003 10:17 PM - 13 replies
Transfomer Too hot on my AudioNote 300B kit one11-04-2003 06:32 AM - 7 replies
Help Please 11e1 Valve11-03-2003 02:34 PM - 2 replies
Rogue 120 Mono Blocks11-03-2003 01:17 PM - 0 replies
AutotraxEDA help11-03-2003 03:57 AM - 0 replies
845 class A2??11-02-2003 12:51 PM - 52 replies
choke and cap question11-02-2003 09:00 AM - 2 replies
813 or 845 for a SE amplifier11-01-2003 11:49 PM - 21 replies
My first tube project11-01-2003 07:11 AM - 42 replies
I have some tubes... what can I do with them? :D11-01-2003 03:55 AM - 9 replies

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