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  1. 6P3S-E in place of 6V6
  2. EL34, KT88, High Voltage?, VTL..
  3. 100W 6L6 amp sounds harsh at high Volume
  4. Hickok 533 / 600 settings for 6GM8 / ECC86
  5. Need help: amp blowing fuses
  6. Best voltage reference device for a cascode BJT CCS?
  7. Tube power amp noise problem
  8. tube oscillator help.
  9. Finally have some big chokes, how would you use them?
  10. Tube amplifier
  11. 12AX7 heater filament resistance
  12. Choke input LC chain questions..Q?, minload?
  13. LED bias for 12ax7 oscillator
  14. Yaqin VK-2100 hybrid running 4 ohm speakers
  15. VR shunt regulator or RC filter
  16. Screen Mode Mesh Plate?
  17. EL34 simple push pull class B : why 100W ?
  18. Scored Some Bendix 5992
  19. Tube Substitutions Online ???
  20. Resistor pack for tube amp
  21. Tube Phono Preamp PCB Ebay? are these any good
  22. Testing an EL84 as a 6V6
  23. Low Voltage (~16-20V) Tube
  24. Basic Oscilloscope question
  25. Cathodyne Questions
  26. 6922 for a Noob
  27. Cathodyne Phase splitter simulation problem?
  28. How would you improve this EL84 SE circuit?
  29. Power transformer HT/B+ voltages
  30. Help with cathode follower circuit
  31. RH84 bias change whith different el84 is use
  32. No more power transformers?
  33. K-502 Filament supply (or K-12M)
  34. **LOL** Chinese surround sound amp identification
  35. Tubelab SE driver gain
  36. MOSFET for power drive for low powered 845
  37. Aikido line & phono Guru's advice for a newbie pls
  38. Need Tube kits of above 75W Single Ended Class A amp
  39. First Project: 300B SET Monoblocks
  40. Where do you get those cool layout diagrams?
  41. Simple SE grounding -- metal spacers/standoffs?
  42. My Simple SE via Akihabara
  43. Power-On Time Delay Circuit
  44. GM-70 Build Issues
  45. Blue glass inside tubes
  46. Ruby Tuesdays
  47. Wich valve to start?
  48. Tubes that have round/curved plates. . .
  49. Calculating current capacity?
  50. AKAI 1710W R2R, OPT Question?
  51. Ringed Tube Grills / Guards ?
  52. Recommend me a warm, smooth sounding 6922, 6DJ8, ECC88 or equivalent
  53. Please help identify this tube - Shuguang 6922?
  54. Dedicated 6.3v filament transformer 240v primary
  55. can someone check this thread please
  56. Amp refurbishing question.....
  57. Tube mounting position
  58. 6N6P - recommended operating point
  59. Interstage transformer questions
  60. Help identifying resistor value
  61. New Audio Note M10
  62. K501 vs K12M
  63. what are these (i hope cheap) resistors ?
  64. Potentiometer value for 6SL7 input
  65. PSU Designer II question
  66. Lost Thread-High VOltage Regulated Power Supply
  67. 6B4G schematic - opinions please!!
  68. Plate current Question
  69. rh84 bias question.
  70. On/off LED wiring question
  71. Stabilized wood
  72. Heater to Cathode max voltage specs, including signal swings?
  73. Any 9- pin rectifier tubes with separate cathodes?
  74. Final checkout problems with Tubelab SE
  75. 6G-A4 anyone have a datasheet?
  76. Bias Protection Resistors in DC Coupled Amp
  77. EL84 push pull
  78. pcb printing companies
  79. Help! tube amp burnt?
  80. 43% UL connections
  81. Help with CATHODE resistor value on 6BM8 PP Amp
  82. SE EL34 schematic HELP: from two 6SL7's to One?
  83. no choke and transformers ratings
  84. Value of Resistors of EL34
  85. Power Transformer spec questions. Will it work or burn up?
  86. These Hong Kong amps have me bummed
  87. Looking for a cheap dual pentode
  88. Adding panel meters to Simple SE?
  89. Building a 12B4 Line Stage
  90. Speaker sounds blown...but isn't
  91. Static noise in K-16LS
  92. Scratchy clicky noise coming from homemade 6L6 tube amp
  93. Rowe AMI jukebox amp
  94. Does this power supply make any sense to you?
  95. Zener Diode Question
  96. 829B as LTP?
  97. Need a little help with Aikido 6n1p/6n6p
  98. Power switch location..
  99. Mini Millet (starving student) and iPod??
  100. valve preamp for quad 303
  101. Paging Wavebourn - article on Russian caps...
  102. I'm about to drive a stake thru the heart of my Aikido linestage
  103. questions on Mikael Abdellah circuit optimized for EL34 triode operation
  104. Model 16LS Stereo Integrated Tube Amplifier
  105. hum on pre-amp when volume is turned up
  106. 813 RCA amplifier - 25w, class A1, single ended,2 tubes,Rout~1ohm
  107. Interesting circuit, filter question.
  108. Choke Voltage ratings
  109. Hole drills
  110. Major amp circuit redesign- need some expert advice
  111. Daft Hybrid Amp
  112. 6n18-v tube amp
  113. Old big/long plate 12AX7's & 12AT7's
  114. in progress
  115. JTM45 clone
  116. A good tube amplifier power supply
  117. Anyone compared electra-print SE:PP interstages to electra-print PSA-2 autoformers
  118. El34 Se
  119. Question on choke
  120. Simple SE output transformer: James or Edcor?
  121. Looking for beter EL34/6CA7 tubes for C-J MV55 amp
  122. SET tube replacement
  123. VALVOLOZZO triode amp with toroids output trafo...help me
  124. Old amp kit making noise and its getting OLD.
  125. Another Tube pre query !
  126. Simple SE aux capacitor
  127. do 6h30 glow at the top only
  128. canadian source for triad choke?
  129. Fork vs. Sleeve Terminal Octal Sockets.
  130. Step down grid choke vs. interstage transformer
  131. Who knows James 6123HS parameters? Or where to ask
  132. Advantage of a FET-BJT CCS vs BJT only
  133. Question - PCB Design with Multisim/Ultiboard
  134. Trouble choke loading tube in regulated supply
  135. PSUD newbie: modeling Tubelab SE
  136. Fixed Bias adjustment
  137. web resource for tube pricing?
  138. Need help on Kenwood KR 7070
  139. 110v or 220v, how can you tell?
  140. Calling UK builders Simple SE, Pre & Phono advice
  141. Stoked about new volume control for my Simple SE
  142. Tubes Down Under...
  143. To anyone using 808s
  144. Grounded power supply cord on a transformerless amp ?
  145. Documenting SimpleSE FRED Problem
  146. PP KT88 Mono blocks?
  147. Looking for 6.3V 1A ccs heater supply for dht
  148. testing for the ratios on old opt's
  149. Any Transformer Winders?
  150. Output trans plate load question 5687 vs 5965
  151. KT88 triode strapped question
  152. 6528/8080 Triode - NOS Only ???
  153. Opinions gratefully recieved.
  154. Wiring Power Transformer in Parallel
  155. Is there a best location for a volume control?
  156. P2P vs PCB
  157. Help on EL84 / ecc83 SE project -very low volume
  158. 4E27 Triode connection SPICE model
  159. 300B driving 845
  160. Breaking in your tubes?
  161. 6SN7 equivalents in B9A
  162. Figuring out how many watts I need
  163. How do I tell whether a different replacement output transformer will be ok?
  164. OPT linestage question
  165. 6AS7 preamp buffer
  166. Where to put the MV ?
  167. 5u4g input capacitor
  168. Chassis metal advantages/disadvantages?
  169. Experience please: Tung-Sol 6L6GC STR
  170. Transformer winding resistances
  171. Oh my where to begin!? PTP related question.
  172. tube bayonet pin gone.
  173. Attn: Glass_painter - Pioneer SM-83 Transformers Dissected
  174. Please help ID this DIY tube monoblocks
  175. Amp thinks it's a receiver ??
  176. Anyone remember heathkit s99?
  177. Blue Voodoo Solid State Rects to Tube Rects?
  178. Renovation of fifty years old tube amplifier
  179. Big Boss: a simple and basic el84 PP amp in progress
  180. Line Stage for Mikael SE KT88
  181. Philips EL3536
  182. Tube Tester's
  183. Counterpoint SA-5000 P.S.U part identification needed
  184. 6GU7 in an Aikido?
  185. suggest about 9002/vt202 preamp please
  186. 7591a Alternatives
  187. tube rectifier plug in s-s replacement
  188. Oscillation in tube amps
  189. simple se cathode resistor question
  190. 6GT5 audio amp?
  191. How can a resistor "sound" good?
  192. Pin numbering, viewed from bottom or top?
  193. The Hybrid Class A amplifier
  194. 485V Regulated Power Supply
  195. 0B3 Glows Orange
  196. New Reissue tubes...Good/Bad???
  197. PP amp design , your thoughts please.
  198. Aikido + Phono section preamp
  199. Newcomb el84 amp
  200. Any Australians want to share shipping for valves from ESRC?
  201. 5718 Nuvistor ?
  202. Trimmer pot source?
  203. Pentode Miller Capacitance, and which spec value to use?
  204. Brother can you spare a preamp design?
  205. Reducing tremolo beating
  206. Russian tube equivelants
  207. Another question about russian tubes
  208. Why match tubes?
  209. My XPP OTL Headphoneamp
  210. Joining the Tubelab SE club
  211. Simple heater question
  212. Need small SET transformer (12B4)
  213. Red Hot 6L6GC
  214. How do these curves look?
  215. Why does lowering screen voltage reduce headroom?
  216. Class A2 Direct MOSFET Coupled SE
  217. simple SE questions
  218. Best tubes for ~100w 1.9k p-p?
  219. Installing bleeding resistors
  220. Tubelab SE socket raise
  221. RH84 finish!
  222. cathode biasing question
  223. Modding an old tube amp???
  224. More snake oil
  225. simple se success!
  226. Rectifier swap out?
  227. Input impedance of tubelab simple se
  228. Please comment my F2a SE schematic
  229. E80CC aikido
  230. Heater wiring help!
  231. Differential output stage: cap voltage?
  232. 6C41C in a PSU regulator?
  233. Filament Wiring - Shielded vs. Twisted?
  234. Transformer reflected impedance games? Overspec'd output power?
  235. SE 6V6 cathode resistor value
  236. Very strange gremlins in my phono PS
  237. which kit to build - first kit ever
  238. Does anyone know the plate reistance of a 6CW7/ECC84
  239. Shindo Claret
  240. se, srpp, pcb design criteria
  241. Looks like a promising SE build ??
  242. Apologies to Alex Kitic- RH84 Three Channel?
  243. 6L6 AB1 Push-Pull
  244. Jadis JA-30
  245. Black Gate "snubbing"
  246. New Schematic - PP UL 6V6-types, CCS-fed
  247. build up a new line amp
  248. How do you make a DHT amp REALLY HUM FREE????
  249. Experience with AnTek OPTs?
  250. 6V6 PP AB1 circuit

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