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  1. Help with splitter design for 7591 PP
  2. Tron Seven
  3. blue glow on one channel
  4. Suitable Power Trans for 6gw8/6bm8/el84
  5. Dynaco Pas 3 Hiss from HV regulator
  6. Got the build itch again. 80w kt88
  7. lm317 CCS question
  8. LM334z
  9. Parafeeding a Tetrode
  10. Differential stage biasing choice
  11. Got an overshoot problem.
  12. Help! What could possibly be wrong?
  13. Noise - 6J5 - 71a -300B amp
  14. crude, simple and powerful PP-amplifier
  15. What's the appeal of type 80 rectifiers?
  16. 6N7 PP amplifier
  17. 300 KW tube audio amplifire-modulator
  18. Weird amp on ebay
  19. which type of rubber cushion under transformers?
  20. 12at7 LTP CCS
  21. Which value of a potentiometer
  22. Strange circuit - heater hum opt feedback?
  23. Aikido question
  24. Copland CTA-402 Phono Section Comments
  25. Rebiasing my DSL-100
  26. My EL84 SE
  27. K-16LS kit Assembled and Working
  28. Claus Byrith 30W PP
  29. Aikido pre and class T amplifier ...for a newby
  30. Best replacement for Black Gate WKZ?
  31. DIY Jukebox!!
  32. Partial feedback confusion
  33. Anyone used the 7C7 loktal pentode?
  34. Is vacuumtubes.net still in business?
  35. Rectifier Tubes
  36. music angel kt88 tube amp schmetic needed
  37. Next project suggestions
  38. Unpotted Peerless 16309 OPT from Heath W5m
  39. 6au6 Cf
  40. Direct-Coupling Question
  41. Help on CCS PP differential driver stage for SE 845 amp
  42. I'm Looking for this Similar Schematic !
  43. ECL86 preamp critique please
  44. Low cost 6AV5 design questions (long)
  45. Got my tube spice models, and tubed CD player page back on the air
  46. Vsac 2008?
  47. How hot do Hammond chokes get?
  48. Transformer current question
  49. photomultiplier tube - what is this???
  50. Quicksilver
  51. EI-75 End Bells
  52. Svetlana vs. Winged C
  53. Tube Amp Links
  54. McMartin MA-20 mods
  55. Power-tube grid-leak bias
  56. Best/favorite CF NOS noval twin triode?
  57. How can I calculate voltage over cathode resistor?
  58. Grid bias with Class A SE ?
  59. QUADII with DHT
  60. My First Tube Amp
  61. RH84 vs Magnavox SE?
  62. Rectifier and amp heaters on one supply?
  63. OPT impedance vs. speaker
  64. Power Supply help
  65. Problem with Stealth clone (12A6)
  66. phono stage hiss
  67. Lafayette LT-100 and 6AQ8 tubes
  68. Input potentiometer selection
  69. VSAC 2008 Amp Class
  70. Searching for simple 12bh7/E80cc pre schematic
  71. filament AC vs DC
  72. Custom Power Transformer Supplier UK ?
  73. lowering AC heater voltage help?
  74. 60 hz hum, what causes those?
  75. Problem with my ST70 build
  76. S-5 16LS tube amp use with 8 ohm speakers
  77. Yaqin 300b
  78. I'm going in.....
  79. noisy rectifier tube
  80. Quad II Output transformer rewinding question
  81. screen-drive (g2 driven) plate curves spacing linear!
  82. Strange feedback method
  83. Trio W-45a Amp-
  84. Hammond Power Transformer Buzz...
  85. Tube DI Help, Please: Substitutions
  86. Harmon Kardon Galaxy BA-150
  87. Velleman K8010 monoblock tube amplifiers
  88. My 6S19P Linestage
  89. EL34 recommendations
  90. Edcor CXPP100-MS-5K- anyone used this (or similar 100W) output transformer?
  91. Bypass 2x0B3 tube cap value ?
  92. EF80 vs EF86
  93. Decware MODEL SE84C-DIY
  94. ST35 voltages WAY too high!
  95. How Do "Heat Fins" Work In a Vacuum?
  96. Acrosound Ultra-Linear OT catalog
  97. Simple Questions: Diodes and Heaters
  98. Recommend an input stage triode please
  99. Copper patinization?
  100. V-m 560a
  101. Anybody dealt with high-endstore.com?
  102. Diodes On Rectifier Question
  103. Stray hum pickup *preamp* cathode R-bias vs. battery bias & 12AU7vs.5687
  104. looking for a website...
  105. Simple 45/2A3 schematic error?
  106. Plate load for push-pull
  107. Hybrid regulator
  108. Hybrid Graetz Bridge
  109. My first amplifier - 6n3c-E
  110. Power supply problem
  111. Grid choke as I/V?
  112. Hammond PR20
  113. 6JN6 screen-drive (g2 driven) plate curves?
  114. Another compactron PP output
  115. 6922 transformer coupled
  116. Beam Deflection Tube Limiter
  117. 6LW6 bias points
  118. Dynaco SCA-35 or Sherwood S5000 iV
  119. EL821 / 6CH6 triode curves?
  120. Ground wire adds hum to Harmony H-400A AC/DC amp
  121. "magic" phase splitter for SimpleP-P
  122. Harmon Kardon tube amp kit testing
  123. Did I hurt this capacitor?
  124. (newb) Why no white (-) leads on power trafo
  125. Ruined transformer?
  126. My Tabor Clone is finished.
  127. first build 6em7 and it works
  128. Cleaning up baked enamel/painted finishes
  129. Highs roll off
  130. scratch build EAR834p
  131. El156se
  132. One more hybrid idea
  133. Can Anyone figure this?
  134. "Mighty Mite" Single Ended Amplifier
  135. old question - lost answer 6AS7 SE amp
  136. My KT88 SE project
  137. Motorola OPT
  138. Weird Input transformer hum.
  139. cascode vs asymmetrical cathode coupled
  140. music angel 845 SET
  141. Help! My amp stopped singing...
  142. LTP CCS IXYS with 10m45s opinions
  143. Boozhound Choke Tail Pair for HiFi
  144. 5718 subminiture tube?
  145. fixed bias for push pull tube amps
  146. EC86 and phono
  147. Power Transformer mystery lead....
  148. Bias measurements 6L6
  149. 0A3 Light
  150. Equivalent to Tango NC-10 IT
  151. Ammeter wiring?
  152. Highest Practical Primary Z in OPT?
  153. Ampex 6v6 PP Modifications
  154. Variability of RIAA eq with tube characteristics?
  155. 807/350B/6L6 PP amps PSU ?
  156. Need Help For Tube Amp
  157. ECC83 300B Loftin White amp
  158. Hashimoto and the wonderful 45
  159. Heathkit variac
  160. E80L pentode mode as driver?
  161. Transformer repair
  162. How many ga for chassis wire?
  163. I want to MOD - help?
  164. What About Beam Deflection Tubes?
  165. Placement of Ultralinear Tap On Homemade Transformer
  166. Differential stage with CCS in cathode
  167. Directly heated Cathode/insulation question
  168. "Dirt Cheap SE" 6BM8 spud amp
  169. Single-end Power amp with tubes
  170. Input pot question
  171. Need help putting 6Z4 into PSU Designer
  172. SimpleSE Under Chassis Mounting
  173. Bias methods?
  174. Aikido and SE KT88
  175. Built this pre amp today!
  176. Mystery tube in a Fisher FM-90X - V50,064
  177. Switch contacts for HV supply
  178. The First Sound Recording - we can hear it finally
  179. RCA made in Japan???????
  180. 6V6GT in the SimpleSE
  181. trimmings for amp project
  182. Tube Preamp Hybrid new builder, lots of question!
  183. Chinese mini bias pots
  184. GU-50, GM70 and KT88
  185. Please recommend me an amplifier design.
  186. Single-ended OR push-pull?
  187. Darling in Europe... (110 vs. 220)
  188. DC heater (+/-) -> elevated?
  189. Yaqin MS-300B SET amp
  190. Sonics of a "dynamic coupled" driver
  191. ELL80
  192. Will this work?
  193. What circuit to build with MQ TL-404
  194. Very low output from Knight KN928 amp
  195. 6GK5 to drive a 6AS7?
  196. Plate Heater Dissipators
  197. preamp suitable for Dynaco st-70- OTHER than dynaco
  198. 'EL34 World' website for music amps
  199. is this possible?
  200. Power transformer impedance
  201. The days of wine, roses & WE205D
  202. I need to ask...
  203. SPICE model for 6AK5 wanted!
  204. Differences with 6C33 Tube Types
  205. mugen hybride
  206. 1st Build - Kit or No Kit
  207. feedback problems
  208. Antique Electric Supply
  209. Highs
  210. ELK bass amp, mono, twin OPT's (?)
  211. Anyone have a "handle" on the Yaqin EL34 X 2 SE AMP?
  212. Suggestions on books
  213. Cathode stripping in low voltage tubes
  214. Current to overcome 6.5 uuF input capacitance?
  215. Help me to work on the damping factor of my 845 SET
  216. Y A A B - Yet Another Aikido Build
  217. Music Angel - Help wanted
  218. Calculating PS current for octal Aikido
  219. X-10d
  220. wirewound vs standard pots
  221. Anyone famaliar with the 485 tube?
  222. Ideas for ground plane/shielding?
  223. TESLA E88CC 6922 Tubes shorting out???????
  224. Will My Ipod Benefit Through a Tube Amp?
  225. PSU for testing circuits
  226. Combine left & right for sub
  227. Noisy Squeal from SE amp
  228. Plate Choke calculation
  229. Audio Cable Deathmatch!
  230. replacing op-amps with thermionic valves
  231. aikido heater
  232. Heathkit W 5M output transformers
  233. 6S19 Circlotron (OTL)
  234. Quality of Hammond 1600 series transformers and a question about loading.
  235. Kuei Yang Wang's 6sn7 linestage
  236. E-mu 0202 + audiotester
  237. Where to buy HT toroids ?
  238. CJ 1.4: Power tubes are working but drivers not ! Help please.
  239. A 6SN7 direct coupled preamp & regulated supply for everyone's perusal.
  240. Slight hum from my new soldering station.
  241. phono stage
  242. 6sn7gtb problem
  243. The old man told me to get it all out of the basement
  244. The Look of Preamp Hum
  245. hookup wire options
  246. Testing Amplifiers / Pad
  247. Which tubes should I use?
  248. KT88s and grid current
  249. Gain stage with g2-feedback.
  250. K-502 Left Channel is out

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