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  1. Testing an EL84 as a 6V6
  2. Low Voltage (~16-20V) Tube
  3. Basic Oscilloscope question
  4. Cathodyne Questions
  5. 6922 for a Noob
  6. Cathodyne Phase splitter simulation problem?
  7. How would you improve this EL84 SE circuit?
  8. Power transformer HT/B+ voltages
  9. Help with cathode follower circuit
  10. RH84 bias change whith different el84 is use
  11. No more power transformers?
  12. K-502 Filament supply (or K-12M)
  13. **LOL** Chinese surround sound amp identification
  14. Tubelab SE driver gain
  15. MOSFET for power drive for low powered 845
  16. Aikido line & phono Guru's advice for a newbie pls
  17. Need Tube kits of above 75W Single Ended Class A amp
  18. First Project: 300B SET Monoblocks
  19. Where do you get those cool layout diagrams?
  20. Simple SE grounding -- metal spacers/standoffs?
  21. My Simple SE via Akihabara
  22. Power-On Time Delay Circuit
  23. GM-70 Build Issues
  24. Blue glass inside tubes
  25. Ruby Tuesdays
  26. Wich valve to start?
  27. Tubes that have round/curved plates. . .
  28. Calculating current capacity?
  29. AKAI 1710W R2R, OPT Question?
  30. Ringed Tube Grills / Guards ?
  31. Recommend me a warm, smooth sounding 6922, 6DJ8, ECC88 or equivalent
  32. Please help identify this tube - Shuguang 6922?
  33. Dedicated 6.3v filament transformer 240v primary
  34. can someone check this thread please
  35. Amp refurbishing question.....
  36. Tube mounting position
  37. 6N6P - recommended operating point
  38. Interstage transformer questions
  39. Help identifying resistor value
  40. New Audio Note M10
  41. K501 vs K12M
  42. what are these (i hope cheap) resistors ?
  43. Potentiometer value for 6SL7 input
  44. PSU Designer II question
  45. Lost Thread-High VOltage Regulated Power Supply
  46. 6B4G schematic - opinions please!!
  47. Plate current Question
  48. rh84 bias question.
  49. On/off LED wiring question
  50. Stabilized wood
  51. Heater to Cathode max voltage specs, including signal swings?
  52. Any 9- pin rectifier tubes with separate cathodes?
  53. Final checkout problems with Tubelab SE
  54. 6G-A4 anyone have a datasheet?
  55. Bias Protection Resistors in DC Coupled Amp
  56. EL84 push pull
  57. pcb printing companies
  58. Help! tube amp burnt?
  59. 43% UL connections
  60. Help with CATHODE resistor value on 6BM8 PP Amp
  61. SE EL34 schematic HELP: from two 6SL7's to One?
  62. no choke and transformers ratings
  63. Value of Resistors of EL34
  64. Power Transformer spec questions. Will it work or burn up?
  65. These Hong Kong amps have me bummed
  66. Looking for a cheap dual pentode
  67. Adding panel meters to Simple SE?
  68. Building a 12B4 Line Stage
  69. Speaker sounds blown...but isn't
  70. Static noise in K-16LS
  71. Scratchy clicky noise coming from homemade 6L6 tube amp
  72. Rowe AMI jukebox amp
  73. Does this power supply make any sense to you?
  74. Zener Diode Question
  75. 829B as LTP?
  76. Need a little help with Aikido 6n1p/6n6p
  77. Power switch location..
  78. Mini Millet (starving student) and iPod??
  79. valve preamp for quad 303
  80. Paging Wavebourn - article on Russian caps...
  81. I'm about to drive a stake thru the heart of my Aikido linestage
  82. questions on Mikael Abdellah circuit optimized for EL34 triode operation
  83. Model 16LS Stereo Integrated Tube Amplifier
  84. hum on pre-amp when volume is turned up
  85. 813 RCA amplifier - 25w, class A1, single ended,2 tubes,Rout~1ohm
  86. Interesting circuit, filter question.
  87. Choke Voltage ratings
  88. Hole drills
  89. Major amp circuit redesign- need some expert advice
  90. Daft Hybrid Amp
  91. 6n18-v tube amp
  92. Old big/long plate 12AX7's & 12AT7's
  93. in progress
  94. JTM45 clone
  95. A good tube amplifier power supply
  96. Anyone compared electra-print SE:PP interstages to electra-print PSA-2 autoformers
  97. El34 Se
  98. Question on choke
  99. Simple SE output transformer: James or Edcor?
  100. Looking for beter EL34/6CA7 tubes for C-J MV55 amp
  101. SET tube replacement
  102. VALVOLOZZO triode amp with toroids output trafo...help me
  103. Old amp kit making noise and its getting OLD.
  104. Another Tube pre query !
  105. Simple SE aux capacitor
  106. do 6h30 glow at the top only
  107. canadian source for triad choke?
  108. Fork vs. Sleeve Terminal Octal Sockets.
  109. Step down grid choke vs. interstage transformer
  110. Who knows James 6123HS parameters? Or where to ask
  111. Advantage of a FET-BJT CCS vs BJT only
  112. Question - PCB Design with Multisim/Ultiboard
  113. Trouble choke loading tube in regulated supply
  114. PSUD newbie: modeling Tubelab SE
  115. Fixed Bias adjustment
  116. web resource for tube pricing?
  117. Need help on Kenwood KR 7070
  118. 110v or 220v, how can you tell?
  119. Calling UK builders Simple SE, Pre & Phono advice
  120. Stoked about new volume control for my Simple SE
  121. Tubes Down Under...
  122. To anyone using 808s
  123. Grounded power supply cord on a transformerless amp ?
  124. Documenting SimpleSE FRED Problem
  125. PP KT88 Mono blocks?
  126. Looking for 6.3V 1A ccs heater supply for dht
  127. testing for the ratios on old opt's
  128. Any Transformer Winders?
  129. Output trans plate load question 5687 vs 5965
  130. KT88 triode strapped question
  131. 6528/8080 Triode - NOS Only ???
  132. Opinions gratefully recieved.
  133. Wiring Power Transformer in Parallel
  134. Is there a best location for a volume control?
  135. P2P vs PCB
  136. Help on EL84 / ecc83 SE project -very low volume
  137. 4E27 Triode connection SPICE model
  138. 300B driving 845
  139. Breaking in your tubes?
  140. 6SN7 equivalents in B9A
  141. Figuring out how many watts I need
  142. How do I tell whether a different replacement output transformer will be ok?
  143. OPT linestage question
  144. 6AS7 preamp buffer
  145. Where to put the MV ?
  146. 5u4g input capacitor
  147. Chassis metal advantages/disadvantages?
  148. Experience please: Tung-Sol 6L6GC STR
  149. Transformer winding resistances
  150. Capacitor Voltage Rating Question
  151. Oh my where to begin!? PTP related question.
  152. tube bayonet pin gone.
  153. Attn: Glass_painter - Pioneer SM-83 Transformers Dissected
  154. Please help ID this DIY tube monoblocks
  155. Amp thinks it's a receiver ??
  156. Anyone remember heathkit s99?
  157. Blue Voodoo Solid State Rects to Tube Rects?
  158. Renovation of fifty years old tube amplifier
  159. Big Boss: a simple and basic el84 PP amp in progress
  160. Line Stage for Mikael SE KT88
  161. Philips EL3536
  162. Tube Tester's
  163. Counterpoint SA-5000 P.S.U part identification needed
  164. 6GU7 in an Aikido?
  165. suggest about 9002/vt202 preamp please
  166. 7591a Alternatives
  167. tube rectifier plug in s-s replacement
  168. Oscillation in tube amps
  169. simple se cathode resistor question
  170. 6GT5 audio amp?
  171. How can a resistor "sound" good?
  172. Pin numbering, viewed from bottom or top?
  173. The Hybrid Class A amplifier
  174. 485V Regulated Power Supply
  175. 0B3 Glows Orange
  176. New Reissue tubes...Good/Bad???
  177. PP amp design , your thoughts please.
  178. Aikido + Phono section preamp
  179. Newcomb el84 amp
  180. Any Australians want to share shipping for valves from ESRC?
  181. 5718 Nuvistor ?
  182. Trimmer pot source?
  183. Pentode Miller Capacitance, and which spec value to use?
  184. Brother can you spare a preamp design?
  185. Reducing tremolo beating
  186. Russian tube equivelants
  187. Another question about russian tubes
  188. Why match tubes?
  189. My XPP OTL Headphoneamp
  190. Joining the Tubelab SE club
  191. Simple heater question
  192. Need small SET transformer (12B4)
  193. Red Hot 6L6GC
  194. How do these curves look?
  195. Why does lowering screen voltage reduce headroom?
  196. Class A2 Direct MOSFET Coupled SE
  197. simple SE questions
  198. Best tubes for ~100w 1.9k p-p?
  199. Installing bleeding resistors
  200. Capacitor Comparison Conundrum
  201. Tubelab SE socket raise
  202. RH84 finish!
  203. cathode biasing question
  204. Modding an old tube amp???
  205. More snake oil
  206. simple se success!
  207. Rectifier swap out?
  208. Input impedance of tubelab simple se
  209. Capacitor tolerance
  210. Please comment my F2a SE schematic
  211. E80CC aikido
  212. Heater wiring help!
  213. Differential output stage: cap voltage?
  214. 6C41C in a PSU regulator?
  215. Filament Wiring - Shielded vs. Twisted?
  216. Transformer reflected impedance games? Overspec'd output power?
  217. SE 6V6 cathode resistor value
  218. Very strange gremlins in my phono PS
  219. which kit to build - first kit ever
  220. Does anyone know the plate reistance of a 6CW7/ECC84
  221. Shindo Claret
  222. se, srpp, pcb design criteria
  223. Looks like a promising SE build ??
  224. Apologies to Alex Kitic- RH84 Three Channel?
  225. 6L6 AB1 Push-Pull
  226. Jadis JA-30
  227. Black Gate "snubbing"
  228. New Schematic - PP UL 6V6-types, CCS-fed
  229. build up a new line amp
  230. How do you make a DHT amp REALLY HUM FREE????
  231. Experience with AnTek OPTs?
  232. 6V6 PP AB1 circuit
  233. Help with powering down a trafo
  234. Computer program for tube curves and Spice models
  235. Physical orientation of transformers
  236. Which EL34 tubes for Hi Fi
  237. Choke input power supply, capacitor ratings
  238. EL36/6CM5 SE design critique
  239. New 6F6 Amplifier Project
  240. Transformerless Tube Amp
  241. GE sealants: which to use?
  242. Bias supply and grid current
  243. US Army Russian Electronics Dictionary
  244. Speaker Pop!
  245. Steve Bench RIAA preamp users
  246. MAC free schematic drawing software?
  247. Using James JS-6123HS with EL84 SE is overkilled?
  248. Volume pot for simple se
  249. s5electronics 16ls schematic
  250. New to valve amps - given a 'project'

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