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  1. auricap Vs musicap (Another Cap Question)
  2. Help with splitter design for 7591 PP
  3. Tron Seven
  4. blue glow on one channel
  5. Suitable Power Trans for 6gw8/6bm8/el84
  6. Dynaco Pas 3 Hiss from HV regulator
  7. PS Problem: How do I Reduce Voltage?
  8. Got the build itch again. 80w kt88
  9. lm317 CCS question
  10. LM334z
  11. Parafeeding a Tetrode
  12. Differential stage biasing choice
  13. Got an overshoot problem.
  14. Help! What could possibly be wrong?
  15. Noise - 6J5 - 71a -300B amp
  16. crude, simple and powerful PP-amplifier
  17. What's the appeal of type 80 rectifiers?
  18. 6N7 PP amplifier
  19. 300 KW tube audio amplifire-modulator
  20. Weird amp on ebay
  21. which type of rubber cushion under transformers?
  22. 12at7 LTP CCS
  23. Which value of a potentiometer
  24. Strange circuit - heater hum opt feedback?
  25. Aikido question
  26. Tubelab SE diode substitute
  27. Copland CTA-402 Phono Section Comments
  28. modified sine wave power inverter
  29. Rebiasing my DSL-100
  30. My EL84 SE
  31. K-16LS kit Assembled and Working
  32. Claus Byrith 30W PP
  33. Aikido pre and class T amplifier ...for a newby
  34. Best replacement for Black Gate WKZ?
  35. DIY Jukebox!!
  36. Partial feedback confusion
  37. Anyone used the 7C7 loktal pentode?
  38. Is vacuumtubes.net still in business?
  39. Rectifier Tubes
  40. music angel kt88 tube amp schmetic needed
  41. Next project suggestions
  42. Unpotted Peerless 16309 OPT from Heath W5m
  43. 6au6 Cf
  44. Direct-Coupling Question
  45. Help on CCS PP differential driver stage for SE 845 amp
  46. I'm Looking for this Similar Schematic !
  47. ECL86 preamp critique please
  48. Low cost 6AV5 design questions (long)
  49. Got my tube spice models, and tubed CD player page back on the air
  50. Vsac 2008?
  51. How hot do Hammond chokes get?
  52. Transformer current question
  53. TubelabSE - best MOSFET choice?
  54. WTD: Reviewer/Writer For DIY Articles
  55. photomultiplier tube - what is this???
  56. fun idea: cameras and tubes!
  57. Quicksilver
  58. EI-75 End Bells
  59. Svetlana vs. Winged C
  60. Tube Amp Links
  61. McMartin MA-20 mods
  62. Power-tube grid-leak bias
  63. Best/favorite CF NOS noval twin triode?
  64. How can I calculate voltage over cathode resistor?
  65. Grid bias with Class A SE ?
  66. QUADII with DHT
  67. My First Tube Amp
  68. RH84 vs Magnavox SE?
  69. Rectifier and amp heaters on one supply?
  70. OPT impedance vs. speaker
  71. Power Supply help
  72. Problem with Stealth clone (12A6)
  73. phono stage hiss
  74. Lafayette LT-100 and 6AQ8 tubes
  75. Input potentiometer selection
  76. VSAC 2008 Amp Class
  77. Searching for simple 12bh7/E80cc pre schematic
  78. filament AC vs DC
  79. Novice PS Question: Diode Dilemma
  80. Custom Power Transformer Supplier UK ?
  81. lowering AC heater voltage help?
  82. 60 hz hum, what causes those?
  83. Problem with my ST70 build
  84. S-5 16LS tube amp use with 8 ohm speakers
  85. Yaqin 300b
  86. I'm going in.....
  87. noisy rectifier tube
  88. Quad II Output transformer rewinding question
  89. screen-drive (g2 driven) plate curves spacing linear!
  90. Strange feedback method
  91. Trio W-45a Amp-
  92. Hammond Power Transformer Buzz...
  93. Tube DI Help, Please: Substitutions
  94. Harmon Kardon Galaxy BA-150
  95. Velleman K8010 monoblock tube amplifiers
  96. First Project Finished-Tubelab Simple SE
  97. My 6S19P Linestage
  98. EL34 recommendations
  99. Edcor CXPP100-MS-5K- anyone used this (or similar 100W) output transformer?
  100. Bypass 2x0B3 tube cap value ?
  101. EF80 vs EF86
  102. Decware MODEL SE84C-DIY
  103. ST35 voltages WAY too high!
  104. How Do "Heat Fins" Work In a Vacuum?
  105. Acrosound Ultra-Linear OT catalog
  106. Simple Questions: Diodes and Heaters
  107. Recommend an input stage triode please
  108. Copper patinization?
  109. V-m 560a
  110. Anybody dealt with high-endstore.com?
  111. Diodes On Rectifier Question
  112. Stray hum pickup *preamp* cathode R-bias vs. battery bias & 12AU7vs.5687
  113. looking for a website...
  114. Simple 45/2A3 schematic error?
  115. Plate load for push-pull
  116. Hybrid regulator
  117. Hybrid Graetz Bridge
  118. My first amplifier - 6n3c-E
  119. Power supply problem
  120. Grid choke as I/V?
  121. Hammond PR20
  122. 6JN6 screen-drive (g2 driven) plate curves?
  123. Another compactron PP output
  124. 6922 transformer coupled
  125. Beam Deflection Tube Limiter
  126. 6LW6 bias points
  127. Dynaco SCA-35 or Sherwood S5000 iV
  128. SE 6550 class project (continued)
  129. EL821 / 6CH6 triode curves?
  130. Ground wire adds hum to Harmony H-400A AC/DC amp
  131. "magic" phase splitter for SimpleP-P
  132. Harmon Kardon tube amp kit testing
  133. Did I hurt this capacitor?
  134. (newb) Why no white (-) leads on power trafo
  135. Ruined transformer?
  136. My Tabor Clone is finished.
  137. first build 6em7 and it works
  138. Cleaning up baked enamel/painted finishes
  139. Highs roll off
  140. scratch build EAR834p
  141. El156se
  142. One more hybrid idea
  143. Can Anyone figure this?
  144. "Mighty Mite" Single Ended Amplifier
  145. old question - lost answer 6AS7 SE amp
  146. My KT88 SE project
  147. Motorola OPT
  148. Weird Input transformer hum.
  149. cascode vs asymmetrical cathode coupled
  150. music angel 845 SET
  151. Help! My amp stopped singing...
  152. LTP CCS IXYS with 10m45s opinions
  153. Boozhound Choke Tail Pair for HiFi
  154. 5718 subminiture tube?
  155. fixed bias for push pull tube amps
  156. EC86 and phono
  157. Power Transformer mystery lead....
  158. Bias measurements 6L6
  159. 0A3 Light
  160. Equivalent to Tango NC-10 IT
  161. Ammeter wiring?
  162. Highest Practical Primary Z in OPT?
  163. Ampex 6v6 PP Modifications
  164. Variability of RIAA eq with tube characteristics?
  165. 807/350B/6L6 PP amps PSU ?
  166. Need Help For Tube Amp
  167. ECC83 300B Loftin White amp
  168. Hashimoto and the wonderful 45
  169. Heathkit variac
  170. E80L pentode mode as driver?
  171. Transformer repair
  172. How many ga for chassis wire?
  173. I want to MOD - help?
  174. What About Beam Deflection Tubes?
  175. Placement of Ultralinear Tap On Homemade Transformer
  176. Differential stage with CCS in cathode
  177. Directly heated Cathode/insulation question
  178. "Dirt Cheap SE" 6BM8 spud amp
  179. Single-end Power amp with tubes
  180. Input pot question
  181. Need help putting 6Z4 into PSU Designer
  182. SimpleSE Under Chassis Mounting
  183. Bias methods?
  184. Aikido and SE KT88
  185. Built this pre amp today!
  186. Mystery tube in a Fisher FM-90X - V50,064
  187. Switch contacts for HV supply
  188. The First Sound Recording - we can hear it finally
  189. RCA made in Japan???????
  190. 6V6GT in the SimpleSE
  191. trimmings for amp project
  192. Tube Preamp Hybrid new builder, lots of question!
  193. Chinese mini bias pots
  194. GU-50, GM70 and KT88
  195. Please recommend me an amplifier design.
  196. Single-ended OR push-pull?
  197. Darling in Europe... (110 vs. 220)
  198. DC heater (+/-) -> elevated?
  199. Tubelab simple SE help needed...working but only on one channel
  200. Yaqin MS-300B SET amp
  201. 300b calibration (tubelab)
  202. Sonics of a "dynamic coupled" driver
  203. ELL80
  204. Will this work?
  205. What circuit to build with MQ TL-404
  206. Very low output from Knight KN928 amp
  207. 6GK5 to drive a 6AS7?
  208. Plate Heater Dissipators
  209. preamp suitable for Dynaco st-70- OTHER than dynaco
  210. 'EL34 World' website for music amps
  211. Strange Russian(?) tube tester
  212. is this possible?
  213. Power transformer impedance
  214. Anybody did compared tube vs opamp for preamp ?
  215. The days of wine, roses & WE205D
  216. I need to ask...
  217. SPICE model for 6AK5 wanted!
  218. Differences with 6C33 Tube Types
  219. mugen hybride
  220. 1st Build - Kit or No Kit
  221. feedback problems
  222. Antique Electric Supply
  223. Highs
  224. ELK bass amp, mono, twin OPT's (?)
  225. Anyone have a "handle" on the Yaqin EL34 X 2 SE AMP?
  226. Suggestions on books
  227. Cathode stripping in low voltage tubes
  228. Current to overcome 6.5 uuF input capacitance?
  229. Help me to work on the damping factor of my 845 SET
  230. Y A A B - Yet Another Aikido Build
  231. Music Angel - Help wanted
  232. Calculating PS current for octal Aikido
  233. X-10d
  234. wirewound vs standard pots
  235. Anyone famaliar with the 485 tube?
  236. Ideas for ground plane/shielding?
  237. TESLA E88CC 6922 Tubes shorting out???????
  238. Will My Ipod Benefit Through a Tube Amp?
  239. PSU for testing circuits
  240. easier way to cut a square hole for xmfr
  241. Combine left & right for sub
  242. Noisy Squeal from SE amp
  243. Plate Choke calculation
  244. Audio Cable Deathmatch!
  245. tubelab PP?
  246. replacing op-amps with thermionic valves
  247. aikido heater
  248. Heathkit W 5M output transformers
  249. 6S19 Circlotron (OTL)
  250. Quality of Hammond 1600 series transformers and a question about loading.

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