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  1. fun idea: cameras and tubes!
  2. Quicksilver
  3. EI-75 End Bells
  4. Svetlana vs. Winged C
  5. Tube Amp Links
  6. McMartin MA-20 mods
  7. Power-tube grid-leak bias
  8. Best/favorite CF NOS noval twin triode?
  9. How can I calculate voltage over cathode resistor?
  10. Grid bias with Class A SE ?
  11. QUADII with DHT
  12. My First Tube Amp
  13. RH84 vs Magnavox SE?
  14. Rectifier and amp heaters on one supply?
  15. OPT impedance vs. speaker
  16. Power Supply help
  17. Problem with Stealth clone (12A6)
  18. phono stage hiss
  19. Lafayette LT-100 and 6AQ8 tubes
  20. Input potentiometer selection
  21. VSAC 2008 Amp Class
  22. Searching for simple 12bh7/E80cc pre schematic
  23. filament AC vs DC
  24. Novice PS Question: Diode Dilemma
  25. Custom Power Transformer Supplier UK ?
  26. lowering AC heater voltage help?
  27. 60 hz hum, what causes those?
  28. Problem with my ST70 build
  29. S-5 16LS tube amp use with 8 ohm speakers
  30. Yaqin 300b
  31. I'm going in.....
  32. noisy rectifier tube
  33. Quad II Output transformer rewinding question
  34. screen-drive (g2 driven) plate curves spacing linear!
  35. Strange feedback method
  36. Trio W-45a Amp-
  37. Hammond Power Transformer Buzz...
  38. 6v6 push pull guitar amp schematic sought
  39. Tube DI Help, Please: Substitutions
  40. Harmon Kardon Galaxy BA-150
  41. Velleman K8010 monoblock tube amplifiers
  42. First Project Finished-Tubelab Simple SE
  43. My 6S19P Linestage
  44. EL34 recommendations
  45. Edcor CXPP100-MS-5K- anyone used this (or similar 100W) output transformer?
  46. Bypass 2x0B3 tube cap value ?
  47. EF80 vs EF86
  48. Decware MODEL SE84C-DIY
  49. ST35 voltages WAY too high!
  50. How Do "Heat Fins" Work In a Vacuum?
  51. Acrosound Ultra-Linear OT catalog
  52. Simple Questions: Diodes and Heaters
  53. Recommend an input stage triode please
  54. Copper patinization?
  55. V-m 560a
  56. Anybody dealt with high-endstore.com?
  57. Diodes On Rectifier Question
  58. Stray hum pickup *preamp* cathode R-bias vs. battery bias & 12AU7vs.5687
  59. looking for a website...
  60. Simple 45/2A3 schematic error?
  61. Plate load for push-pull
  62. Hybrid regulator
  63. Hybrid Graetz Bridge
  64. JCM 900 100 Watt Power Trans Specs..
  65. My first amplifier - 6n3c-E
  66. Power supply problem
  67. Grid choke as I/V?
  68. Hammond PR20
  69. 6JN6 screen-drive (g2 driven) plate curves?
  70. Another compactron PP output
  71. 6922 transformer coupled
  72. Beam Deflection Tube Limiter
  73. 6LW6 bias points
  74. Dynaco SCA-35 or Sherwood S5000 iV
  75. SE 6550 class project (continued)
  76. gibson amp lp JR
  77. EL821 / 6CH6 triode curves?
  78. Ground wire adds hum to Harmony H-400A AC/DC amp
  79. "magic" phase splitter for SimpleP-P
  80. Harmon Kardon tube amp kit testing
  81. Did I hurt this capacitor?
  82. (newb) Why no white (-) leads on power trafo
  83. Ruined transformer?
  84. My Tabor Clone is finished.
  85. first build 6em7 and it works
  86. Cleaning up baked enamel/painted finishes
  87. panel meters
  88. Highs roll off
  89. scratch build EAR834p
  90. Silvertone Organ Amp
  91. El156se
  92. One more hybrid idea
  93. Can Anyone figure this?
  94. "Mighty Mite" Single Ended Amplifier
  95. old question - lost answer 6AS7 SE amp
  96. My KT88 SE project
  97. Motorola OPT
  98. Weird Input transformer hum.
  99. cascode vs asymmetrical cathode coupled
  100. music angel 845 SET
  101. Help! My amp stopped singing...
  102. LTP CCS IXYS with 10m45s opinions
  103. Boozhound Choke Tail Pair for HiFi
  104. Bass guitar amp...
  105. 5718 subminiture tube?
  106. fixed bias for push pull tube amps
  107. EC86 and phono
  108. Power Transformer mystery lead....
  109. Bias measurements 6L6
  110. 0A3 Light
  111. Equivalent to Tango NC-10 IT
  112. Ammeter wiring?
  113. Highest Practical Primary Z in OPT?
  114. Ampex 6v6 PP Modifications
  115. Variability of RIAA eq with tube characteristics?
  116. 807/350B/6L6 PP amps PSU ?
  117. Need Help For Tube Amp
  118. ECC83 300B Loftin White amp
  119. Hashimoto and the wonderful 45
  120. Capacitor identification–old PIO?
  121. Heathkit variac
  122. E80L pentode mode as driver?
  123. Transformer repair
  124. How many ga for chassis wire?
  125. 807 Guitar Amplifier
  126. I want to MOD - help?
  127. What About Beam Deflection Tubes?
  128. Capacitor
  129. Placement of Ultralinear Tap On Homemade Transformer
  130. Differential stage with CCS in cathode
  131. Directly heated Cathode/insulation question
  132. "Dirt Cheap SE" 6BM8 spud amp
  133. isolation transformer won't supply filiments - 1968 Harmony H400A tube guitar amp
  134. Single-end Power amp with tubes
  135. Input pot question
  136. Need help putting 6Z4 into PSU Designer
  137. SimpleSE Under Chassis Mounting
  138. Bias methods?
  139. Aikido and SE KT88
  140. Built this pre amp today!
  141. Mystery tube in a Fisher FM-90X - V50,064
  142. Switch contacts for HV supply
  143. The First Sound Recording - we can hear it finally
  144. RCA made in Japan???????
  145. 6V6GT in the SimpleSE
  146. trimmings for amp project
  147. Tube Preamp Hybrid new builder, lots of question!
  148. Chinese mini bias pots
  149. GU-50, GM70 and KT88
  150. Please recommend me an amplifier design.
  151. Single-ended OR push-pull?
  152. Darling in Europe... (110 vs. 220)
  153. DC heater (+/-) -> elevated?
  154. Tubelab simple SE help needed...working but only on one channel
  155. Yaqin MS-300B SET amp
  156. 300b calibration (tubelab)
  157. Sonics of a "dynamic coupled" driver
  158. 716p's Vs. Fancy Caps
  159. ELL80
  160. Will this work?
  161. What circuit to build with MQ TL-404
  162. Very low output from Knight KN928 amp
  163. 6GK5 to drive a 6AS7?
  164. Plate Heater Dissipators
  165. preamp suitable for Dynaco st-70- OTHER than dynaco
  166. 'EL34 World' website for music amps
  167. Strange Russian(?) tube tester
  168. is this possible?
  169. Power transformer impedance
  170. Anybody did compared tube vs opamp for preamp ?
  171. The days of wine, roses & WE205D
  172. I need to ask...
  173. SPICE model for 6AK5 wanted!
  174. Differences with 6C33 Tube Types
  175. mugen hybride
  176. 1st Build - Kit or No Kit
  177. feedback problems
  178. Antique Electric Supply
  179. Highs
  180. ELK bass amp, mono, twin OPT's (?)
  181. Anyone have a "handle" on the Yaqin EL34 X 2 SE AMP?
  182. Suggestions on books
  183. Cathode stripping in low voltage tubes
  184. Current to overcome 6.5 uuF input capacitance?
  185. Help me to work on the damping factor of my 845 SET
  186. Y A A B - Yet Another Aikido Build
  187. Music Angel - Help wanted
  188. Calculating PS current for octal Aikido
  189. X-10d
  190. wirewound vs standard pots
  191. Anyone famaliar with the 485 tube?
  192. Ideas for ground plane/shielding?
  193. TESLA E88CC 6922 Tubes shorting out???????
  194. Will My Ipod Benefit Through a Tube Amp?
  195. PSU for testing circuits
  196. easier way to cut a square hole for xmfr
  197. Combine left & right for sub
  198. Noisy Squeal from SE amp
  199. Plate Choke calculation
  200. Audio Cable Deathmatch!
  201. tubelab PP?
  202. replacing op-amps with thermionic valves
  203. aikido heater
  204. Heathkit W 5M output transformers
  205. 6S19 Circlotron (OTL)
  206. Quality of Hammond 1600 series transformers and a question about loading.
  207. Kuei Yang Wang's 6sn7 linestage
  208. Laney TF-200 speaker farts out...
  209. E-mu 0202 + audiotester
  210. Where to buy HT toroids ?
  211. CJ 1.4: Power tubes are working but drivers not ! Help please.
  212. A 6SN7 direct coupled preamp & regulated supply for everyone's perusal.
  213. Slight hum from my new soldering station.
  214. phono stage
  215. 6sn7gtb problem
  216. The old man told me to get it all out of the basement
  217. The Look of Preamp Hum
  218. hookup wire options
  219. Tubelab Simple Se Trannie Shopping List-a Newbie Seeks Info
  220. Testing Amplifiers / Pad
  221. Volume Pot vs Stepped Attenuater
  222. Which tubes should I use?
  223. KT88s and grid current
  224. Gain stage with g2-feedback.
  225. K-502 Left Channel is out
  226. 12B4 help needed
  227. Power Trans question
  228. Noob amp wiring question...
  229. 5842 - russian ripoff
  230. Ruskie tube questions
  231. Opt placement
  232. 807 AB2 oscillation maybe?
  233. Amazon Does DIY Parts
  234. Shielded wire
  235. Guitar amp(s) for nephews
  236. Questions about Tube Amplifiers, Mikael's vs SimpleSE
  237. duncan psu simulation vox ac30cc
  238. Where low noise resistors matter
  239. funky power supply
  240. Choke loaded PSU versus VR tube regulated PSU?
  241. What would most of you do?
  242. IRFBC20 as source follower drivers for EL34s in AB1 PP
  243. first post, PS for 6em7 SET amp
  244. affordable transformers for KT-88's
  245. Need help with schematic
  246. How many people here use simulators, like LTspice, to help design tube stuff?
  247. newbie question regarding gain reduction
  248. Anybody did try this tube preamp ?
  249. Heathkit UA-2 output tx wiring question
  250. Question about the properties of "matched" tubes

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