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  1. Gary Pimms "self bias ccs" - guide for dummies
  2. Using a PC as source? + "garage sale"
  3. loktal version of 6bl7
  4. RCA SE 6bq5 amp gain problems
  5. 12V AC to 6.3v DC simple supply for idiots
  6. PPAB with plate feedback, current-mirror driver
  7. LM317 oscillating in cathode circuit
  8. Tubelab SE amp question
  9. Help with RIAA stage schematics
  10. 829B/3E29 "Triode" Push Pull Paralleled Sections
  11. Phantom Bidders on eBay
  12. Complicated psuedo-scope question
  13. Help me choose between two designs
  14. Miller Capacitance AGAIN!
  15. Channel switching / Relay / board
  16. Tossie's valve world site
  17. What is the purpose of resistive load at line output trans?
  18. 8608 pentode
  19. #26 pre amp
  20. my third RH84
  21. Miller Capacitance of triode strapped pentode
  22. 50 set amp
  23. Valuable Valves
  24. Allowable screen voltages in triode-connected pentodes
  25. grounding cable
  26. SS Driver and splitter stages used for PP tube output???
  27. Resistance coupled cascaded amplifier
  28. 6SL7 alternatives?
  29. Dynaco st70 vs Heathkit W5M
  30. Ceasar II - HighEnd Tube Mono Block Project
  31. Cool amp
  32. output tube blocking distortion problem
  33. HP 8903 software posted
  34. Rectifier for 900v DC
  35. How good are these?
  36. Brimar 6V6G different operating parameters to later GT?
  37. RCA RK290 console question
  38. pls help me, Buil my first AMP with 6H5C (=6AS7) tube.
  39. Simple 6V6 Push Pull Schematic
  40. remote help for RCA RK-290 console
  41. Suggestion for a 2x15 or 2x20 amp?
  42. Spud, Schade, PP, Anti-triode ECL86
  43. Posted new P-P power amp design
  44. Steve Bench LR Phono Amp. with (Sowter or Dave irons)
  45. Vintage RCA amps
  46. 6.3V/5A DC Fillament Schematic
  47. Can I use this output transformers with a 5965?
  48. Measuring Tube Gm
  49. Can I use this output transformers with a 5695?
  50. How to design a direct coupled SE amplifier?
  51. Ordered TechTube Valves today
  52. Should I buy and part out an old Hammond tube organ?
  53. 6N6P Unbalanced Sound?
  54. DC filaments for 6550s
  55. Obliterate, delete Vibrato or Reverb circuit in blackface-like amps
  56. My Copland CTA401 hums , help needed please
  57. Triode connected Pentodes in a cathode bias?
  58. Transformer as a voltage gain element
  59. Russian 6p31s tubes
  60. Ixcp 10m45s
  61. rectifier limiting resistors capacitor input
  62. arc V70 blue flash in KT90 tubes
  63. Choke?
  64. EL34 PP motorboating questions
  65. GU29 damaged
  66. PSUD2 questions
  67. Help lundahl-300bxls problem
  68. Srrp output question
  69. je lab 300b
  70. SET amp using Triode-FET complementary feedback pair ?
  71. Monarch STA-100X Refurb
  72. What causes high THD in tube amps ?
  73. Cons / Pros
  74. Preamp 6v6 grid leak resistor value?
  75. Quick question about preamps
  76. Why are mesh plates supposed to be superior?
  77. 60's and 70's GE tubes
  78. What valves are pin compatible with ECC88 / 6DJ8?
  79. Eico HF-81 OPT specs
  80. Fender Super Twin P Xformer
  81. Audio Research V70 mains transformer rewiring for 220 volts.
  82. looking for fairly simple project for Eico 81 OPT's
  83. looking for fairly simple project for Eico 81 OPT's
  84. New Hybrid Driver/Amplifier
  85. OT: vacuum diode AM detector schematics ?
  86. Sad News about George Wright
  87. Finest Chinese Tube Preamp?
  88. 12B4 Line Stage + Phono Option
  89. Crinkly tube getter – Is this bad?
  90. ??? Output Transformer - Silicon Steel or Amorphous
  91. Is it time for another CCS Group Buy?
  92. Am I Going to Kill This Amp?
  93. My version of the Simple EL84 or rise of the anti-triode.
  94. Intercomponent ground loop hum
  95. Connecting the heater to the cathode in rectifier tube
  96. Dented ASC Caps
  97. EF86 replacement
  98. Super Simple Valve Pre-amp Suggestions?
  99. 6V6 P-P Amp From RCA Manual RC-19
  100. phono stage woes...
  101. stereo SE kt88 build ... abdellah diyaudioprojects design
  102. Mounting filament transformers under chassis?
  103. More impedances for Hammond 125E
  104. Troubleshooting Push-Pull 2A3 (please help)
  105. Lost a channel in my TSE
  106. 6sl7 srpp kt66 se
  107. asking about 6sn7 and 2a3 tubes
  108. help w/ Eico hf-81
  109. Hammond PT power ratings
  110. JVC/Delmonico console info
  111. my TubeLab Amps
  112. Issues with grid choke
  113. Sharp reg. for tubelab se
  114. Calibration of Mercury 1000 tube test set
  115. 6v6 music machine build help!
  116. PCF801 Suggestions
  117. el84 200V Vg2 curves
  118. Prototype fender bassman for trade - echosonic or standel 25l15
  119. What's the advantage of E-linear
  120. Tube microphonics (article)
  121. Another Counterpoint SA-7.1 question
  122. How to test a subminiature tube
  123. C3M linestage
  124. Needinfo: Tamradio SOT-850 specs
  125. Back to Back transformers
  126. UltraLinear Screen Drive
  127. UTC CG-52AX - use as plate chokes?
  128. Chassis material
  129. Fu29 & e813cc
  130. Converting Bogen chb-35a to more guitar friendly amp (newbie inside)
  131. Tube rollers - what tubes for my RH84?
  132. What is meant when tubes are sold as "matched"?
  133. 1:1 transformer replace with line filter
  134. Old valve radios have any use?
  135. Know of any big 7 pin FW rectifier tubes?
  136. Decca Decola PX25 amp schematic
  137. Happy birthday....to me!
  138. Just tested the new E183CC
  139. Chassis mounting tubes off my PCB
  140. Tubelab SE with 2A3 Hum
  141. I need some help with the OPTs on a set of old 6V6GT monoblocks
  142. modified Headwise WCF headpone design
  143. 6em7 ,difference from brand ?
  144. Wavebourn Tower thread
  145. Sealed Lead Acid Batteries
  146. New ebay record!
  147. New ebay record!
  148. NFB, how to implement here?
  149. Recommended Mouser Electronics
  150. Utter novice looking for answers to easy questions:
  151. Hum Troubleshooting on My Tubelab SE with 2A3
  152. Trying to understand Power Supplies - The first Cap in a CRCRC
  153. 5687=e182cc???
  154. Series wire Antek Secondaries
  155. 300bxls vs mosfet :)
  156. 6N4P info
  157. Its alive!!! Aikido 5687
  158. Looking for advice,EL84 based Mono amp conversion/ restoration
  159. Looking for ideas
  160. Looking for curves for obscure tube
  161. tube life, soft start, cathode bias
  162. Triad N-68X Tranny for ^SN7 Aikido?
  163. RH84 with simple 5687 front end?
  164. Rickenbacker old amplifiers (b16 series)
  165. Aikido grounding scheme
  166. measuring voltages and currents simple se
  167. Beginner's luck -- Tubelab Simple SE on first try!
  168. 6CH6 find
  169. Shielded cables - success
  170. Heater-Cathode Voltage
  171. Battery powered tube preamps/effects (guitar)
  172. deliberately unmatching output tubes
  173. triode heater ground question
  174. 6sn7 alternative
  175. A tube amp that will drive 2 ohms or less...
  176. Looking for a simple circuit
  177. Why does my tube amp make a scratchy, popping sound?
  178. Fisher kx-100 Recitfire problem
  179. Potentiometers - USA
  180. Suggest me a free cad
  181. Tube SE amplifier with 6P3S (russian tube)
  182. Plate dissipation
  183. Need help with tube models in LTSpice
  184. D3a pentode as driver? History of this tube?
  185. Tubelab SSE inrush current limiters.
  186. looking for some ideas. rebuilding heathkit w-3m amps.
  187. What's wrong with the 12AV7? Try this out!
  188. simple se and edcor gxse output transf question
  189. old tubes
  190. weird ef86 input stage in a Philips amp
  191. table radio w/ tube amp...in the designing process...anyone do this?
  192. Question: grid current related
  193. RH84 based amp
  194. My Aikido!!
  195. Tubelab Simple SE - Transformer Assistance
  196. ST70 clones
  197. Need help selecting a VR tube
  198. Help analysing Hammond organ circuit
  199. Stromberg-Carlson ASR-433
  200. WAHAHA! Our DIY tube amp is done£¡£¡
  201. Pentodes.
  202. making octal adapters
  203. How to cut ceramic
  204. Tubelab web site down for a day
  205. Trans wires in parallel or series?
  206. Tube socket for ECC88, drawing
  207. Richardson 5ar4
  208. Percy Audio / Still open? / Can't seem to get any response from them
  209. Resistor types in an amplifier
  210. simple se inrush limiter placement
  211. CRC Filter ?
  212. EICO 666 tube tester - What settings do you use?
  213. PCB edge connectors... what will they do to my sound?
  214. Tranny question
  215. Anyone here in contact with Pieter from Tribute?
  216. Fisher 500C with JJ 7591S - Optimum Bias Current?
  217. Power supply resistors power ratings
  218. Anyone tried this SE trafos?
  219. Adjustable B+ and Cathode Current linestage
  220. Possibility of Tube substitution trough MOSFETs
  221. G2 overvoltage ??
  222. Toroid transformer cover?
  223. Help me to think of name for a tube amplifier
  224. All DHT Phono Stage
  225. How Set up Aria Mini 6P14?
  226. new build - abdellah SE KT88
  227. Sources for enclosures, parts, standoffs, tubing, etc?
  228. Duncan PSUII question
  229. Bench Phono Pre Layout
  230. Imd
  231. Line Level tube
  232. Wanting to start a DIY tube amp
  233. ARC VT100 driver adjustment
  234. Valve Amplifier
  235. SE OPT's in India
  236. Arcing KT-88 and GLY513 ASC 600uF - Too Much of a Good Thing?
  237. What is a "gridless control" tube ?
  238. simple se ground to speaker wire?
  239. Polytone Mini-brute II
  240. New 6N6P linestage
  241. Split supply, arrangement of gain and phase splitter tubes
  242. New Hybrid Amp with multiple inputs: Little Singer H-30A
  243. Help with my Transformer - vibrating
  244. Ultralinear fender?
  245. Quick transformer question
  246. Need for twin 5U4GB rectifiers in baldwin organ amplifier?
  247. Oddwatt / Oddblock Builder's Thread
  248. Tube output stage for Buffalo Saber 32-bit DAC?
  249. Silvertone Multiplex Stereo Model No. 4092 Questions
  250. 6SJ7(6J8) + 6v6 (6P6S) SE