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  1. Violator Amp
  2. What to do with 3500uF 650V caps???
  3. SS Rectification
  4. Passive filter at tube amp input
  5. Found this Trio WX-400
  6. PSUD & The JE Labs 2A3
  7. 815
  8. x1 Oscilloscope probes
  9. Iron LTP Schade-PP
  10. Single Ended Pentode Spud and Feedback
  11. Yes, I've searched. Can I use a PP OPT in a SE amp ?
  12. DC on toroid PT windings
  13. Audible benefits of larger coupling caps than required?
  14. Any benefits of regulated current heater supply?
  15. Power Transformer Kaput ???
  16. aikido phono schematic qustion
  17. Easy question for experienced tubies
  18. valves dont sound so good when pink....
  19. Aikido Resistor Help
  20. Mobile Phone Interference
  21. Thank you DIY Audio
  22. Fisher 80-R Can't Find a Schematic
  23. SRPP layout
  24. Rogers E40a Amplifier Schematic
  25. Encapsulating OPTs
  26. Does anyone have 6BQ6 (sweep tube) triode plate curves to share?
  27. JAN6418 and microphony
  28. can the 6n9s take 300v? (ru 6sl7)
  29. Output impedance of various MOSFET followers at low (<10mA) currents
  30. Big Box O' Tubes
  31. 6j7g 832a amp
  32. Quick Question on Dc coupling
  33. PP question - best driver stage!
  34. SRPP+, or did JRB "borrow" from here?
  35. 5651(A) 85Kr
  36. Ampex 6v6 PP.. worth saving?
  37. The DeForest 504 tube
  38. Sven 6P1P PP Amp
  39. Black 6V6GT - originals
  40. tube phasing for more power?
  41. measuring output transformer inductance?
  42. Question re paralleling common-cathode tube sections
  43. There's so much bait for dumb fishies out there!
  44. Biasing G3 in beamies
  45. 6DJ8 vs 6N1P (6H1N)
  46. Test equipment collection
  47. Rca mi-9358a
  48. FISHER - 500b Caps Leave Them In ???
  49. tek 454
  50. RCA Calypso
  51. New to Valve Amps and Confused???
  52. Anyone used the TL783 as a CCS
  53. Katelelo
  54. EFE-1 (PP EL-34) by Miolljub Mile Nestorovic
  55. Ping netlist - ECC88 spice models
  56. Please help analyse 807 PPP
  57. DIY Tube Pre with remote
  58. P-P Katodfollower with 6c33c
  59. valve sub
  60. Help on outboard PSU for tube amp
  61. Looking for ARC LS8MKII circuit?
  62. Entire Assembly Glowing in 20 Seconds
  63. 6X5GT PS Problem
  64. Sad News About Blackburn / Tech Tube
  65. Loose top caps.
  66. rh807 choke question?
  67. 6021 Cascode
  68. 6U7-G as driver in a RH 807?
  69. Possible Ebay bargain
  70. Possible Ebay bargin
  71. 845 tube question
  72. Broken VCM163
  73. my ongoing amp project since 2004 or so, ver. 13.29.b1.xx.n
  74. Datasheet wanted
  75. SE 833A Help
  76. PS ripple vs output impedance for PP AB1
  77. Simple SE with 807?
  78. Dynaco Bias Balance kit
  79. EL42 Tube
  80. 6GV8 at lowish voltage
  81. 703A tube source?
  82. Music Angel EL34 PP + 6N2 schematics ( MINIL3 )
  83. "Back To Back" transformers
  84. Dual HF small signal pentodes ?
  85. pre amp output delay circuit?
  86. Standby voltages for tube circuits.
  87. SE Output transformers
  88. Advice on connector type for outboard PS
  89. Decent Junk Pile find! Need Advice suggestions etc.!
  90. Red Plate,Tube runaway, glowing screen grids
  91. Dogfish
  92. Anyone ever bought this Ebay Head amp?
  93. Rogers Cadet III (Mk3) - which input to use?
  94. Recycling a TT plinth as a tube amp chassis?
  95. motor run caps
  96. RH-84 Hum
  97. Regulator LD1085V Question
  98. Chasing Hum...
  99. What do you know about the 23D4?
  100. Vacuum State RTP3C
  101. Another Tubelad SE build
  102. Noisy DC filament power supply problem on an Aikido
  103. Aikido Phono Stage with Step-up Transformers
  104. 6-volt rectifier tube
  105. Replacing output transformer questions
  106. Hey SY, were you aware of this?
  107. Where is the best place to sell a pair of OTs?
  108. EL84 tube regulator
  109. Testing 6H2P on 600a
  110. Grid stoppers, clamping, blocking and crossover distortion.
  111. Fender 125A20B output transformers?
  112. Genrad 1630AV
  113. Gary Pimms "self bias ccs" - guide for dummies
  114. Using a PC as source? + "garage sale"
  115. loktal version of 6bl7
  116. RCA SE 6bq5 amp gain problems
  117. 12V AC to 6.3v DC simple supply for idiots
  118. PPAB with plate feedback, current-mirror driver
  119. LM317 oscillating in cathode circuit
  120. Tubelab SE amp question
  121. Help with RIAA stage schematics
  122. 829B/3E29 "Triode" Push Pull Paralleled Sections
  123. Phantom Bidders on eBay
  124. Complicated psuedo-scope question
  125. Help me choose between two designs
  126. Miller Capacitance AGAIN!
  127. Channel switching / Relay / board
  128. Tossie's valve world site
  129. What is the purpose of resistive load at line output trans?
  130. 8608 pentode
  131. #26 pre amp
  132. my third RH84
  133. Miller Capacitance of triode strapped pentode
  134. 50 set amp
  135. Valuable Valves
  136. Allowable screen voltages in triode-connected pentodes
  137. grounding cable
  138. SS Driver and splitter stages used for PP tube output???
  139. Resistance coupled cascaded amplifier
  140. 6SL7 alternatives?
  141. Dynaco st70 vs Heathkit W5M
  142. Ceasar II - HighEnd Tube Mono Block Project
  143. Cool amp
  144. output tube blocking distortion problem
  145. HP 8903 software posted
  146. Rectifier for 900v DC
  147. How good are these?
  148. Brimar 6V6G different operating parameters to later GT?
  149. RCA RK290 console question
  150. pls help me, Buil my first AMP with 6H5C (=6AS7) tube.
  151. Simple 6V6 Push Pull Schematic
  152. remote help for RCA RK-290 console
  153. Suggestion for a 2x15 or 2x20 amp?
  154. Spud, Schade, PP, Anti-triode ECL86
  155. Posted new P-P power amp design
  156. Steve Bench LR Phono Amp. with (Sowter or Dave irons)
  157. Vintage RCA amps
  158. 6.3V/5A DC Fillament Schematic
  159. Can I use this output transformers with a 5965?
  160. Measuring Tube Gm
  161. Can I use this output transformers with a 5695?
  162. How to design a direct coupled SE amplifier?
  163. Ordered TechTube Valves today
  164. Should I buy and part out an old Hammond tube organ?
  165. 6N6P Unbalanced Sound?
  166. DC filaments for 6550s
  167. Obliterate, delete Vibrato or Reverb circuit in blackface-like amps
  168. My Copland CTA401 hums , help needed please
  169. Triode connected Pentodes in a cathode bias?
  170. Transformer as a voltage gain element
  171. Russian 6p31s tubes
  172. Ixcp 10m45s
  173. rectifier limiting resistors capacitor input
  174. arc V70 blue flash in KT90 tubes
  175. Choke?
  176. EL34 PP motorboating questions
  177. GU29 damaged
  178. PSUD2 questions
  179. Help lundahl-300bxls problem
  180. Srrp output question
  181. je lab 300b
  182. SET amp using Triode-FET complementary feedback pair ?
  183. Monarch STA-100X Refurb
  184. What causes high THD in tube amps ?
  185. Cons / Pros
  186. Preamp 6v6 grid leak resistor value?
  187. Quick question about preamps
  188. Why are mesh plates supposed to be superior?
  189. 60's and 70's GE tubes
  190. What valves are pin compatible with ECC88 / 6DJ8?
  191. Eico HF-81 OPT specs
  192. Fender Super Twin P Xformer
  193. Audio Research V70 mains transformer rewiring for 220 volts.
  194. looking for fairly simple project for Eico 81 OPT's
  195. looking for fairly simple project for Eico 81 OPT's
  196. New Hybrid Driver/Amplifier
  197. OT: vacuum diode AM detector schematics ?
  198. Sad News about George Wright
  199. Finest Chinese Tube Preamp?
  200. 12B4 Line Stage + Phono Option
  201. Crinkly tube getter Is this bad?
  202. ??? Output Transformer - Silicon Steel or Amorphous
  203. Is it time for another CCS Group Buy?
  204. Am I Going to Kill This Amp?
  205. My version of the Simple EL84 or rise of the anti-triode.
  206. Intercomponent ground loop hum
  207. Connecting the heater to the cathode in rectifier tube
  208. Dented ASC Caps
  209. EF86 replacement
  210. Super Simple Valve Pre-amp Suggestions?
  211. 6V6 P-P Amp From RCA Manual RC-19
  212. phono stage woes...
  213. stereo SE kt88 build ... abdellah diyaudioprojects design
  214. Mounting filament transformers under chassis?
  215. More impedances for Hammond 125E
  216. Troubleshooting Push-Pull 2A3 (please help)
  217. Lost a channel in my TSE
  218. 6sl7 srpp kt66 se
  219. asking about 6sn7 and 2a3 tubes
  220. help w/ Eico hf-81
  221. Hammond PT power ratings
  222. JVC/Delmonico console info
  223. my TubeLab Amps
  224. Issues with grid choke
  225. Sharp reg. for tubelab se
  226. Calibration of Mercury 1000 tube test set
  227. 6v6 music machine build help!
  228. PCF801 Suggestions
  229. el84 200V Vg2 curves
  230. Prototype fender bassman for trade - echosonic or standel 25l15
  231. What's the advantage of E-linear
  232. Tube microphonics (article)
  233. Another Counterpoint SA-7.1 question
  234. How to test a subminiature tube
  235. C3M linestage
  236. Needinfo: Tamradio SOT-850 specs
  237. Back to Back transformers
  238. UltraLinear Screen Drive
  239. UTC CG-52AX - use as plate chokes?
  240. Chassis material
  241. Fu29 & e813cc
  242. Converting Bogen chb-35a to more guitar friendly amp (newbie inside)
  243. Tube rollers - what tubes for my RH84?
  244. What is meant when tubes are sold as "matched"?
  245. 1:1 transformer replace with line filter
  246. Old valve radios have any use?
  247. Know of any big 7 pin FW rectifier tubes?
  248. Decca Decola PX25 amp schematic
  249. Happy birthday....to me!
  250. Just tested the new E183CC

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