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  1. EL34 recommendations
  2. Edcor CXPP100-MS-5K- anyone used this (or similar 100W) output transformer?
  3. Bypass 2x0B3 tube cap value ?
  4. EF80 vs EF86
  5. Decware MODEL SE84C-DIY
  6. ST35 voltages WAY too high!
  7. How Do "Heat Fins" Work In a Vacuum?
  8. Acrosound Ultra-Linear OT catalog
  9. Simple Questions: Diodes and Heaters
  10. Recommend an input stage triode please
  11. Copper patinization?
  12. V-m 560a
  13. Anybody dealt with high-endstore.com?
  14. Diodes On Rectifier Question
  15. Stray hum pickup *preamp* cathode R-bias vs. battery bias & 12AU7vs.5687
  16. looking for a website...
  17. Simple 45/2A3 schematic error?
  18. Plate load for push-pull
  19. Hybrid regulator
  20. Hybrid Graetz Bridge
  21. JCM 900 100 Watt Power Trans Specs..
  22. My first amplifier - 6n3c-E
  23. Power supply problem
  24. Grid choke as I/V?
  25. Hammond PR20
  26. 6JN6 screen-drive (g2 driven) plate curves?
  27. Another compactron PP output
  28. 6922 transformer coupled
  29. Beam Deflection Tube Limiter
  30. 6LW6 bias points
  31. Dynaco SCA-35 or Sherwood S5000 iV
  32. SE 6550 class project (continued)
  33. gibson amp lp JR
  34. EL821 / 6CH6 triode curves?
  35. Ground wire adds hum to Harmony H-400A AC/DC amp
  36. "magic" phase splitter for SimpleP-P
  37. Harmon Kardon tube amp kit testing
  38. Did I hurt this capacitor?
  39. (newb) Why no white (-) leads on power trafo
  40. Ruined transformer?
  41. My Tabor Clone is finished.
  42. first build 6em7 and it works
  43. Cleaning up baked enamel/painted finishes
  44. panel meters
  45. Highs roll off
  46. scratch build EAR834p
  47. Silvertone Organ Amp
  48. El156se
  49. One more hybrid idea
  50. Can Anyone figure this?
  51. "Mighty Mite" Single Ended Amplifier
  52. old question - lost answer 6AS7 SE amp
  53. My KT88 SE project
  54. Motorola OPT
  55. Weird Input transformer hum.
  56. cascode vs asymmetrical cathode coupled
  57. music angel 845 SET
  58. Help! My amp stopped singing...
  59. LTP CCS IXYS with 10m45s opinions
  60. Boozhound Choke Tail Pair for HiFi
  61. Bass guitar amp...
  62. 5718 subminiture tube?
  63. fixed bias for push pull tube amps
  64. EC86 and phono
  65. Power Transformer mystery lead....
  66. Bias measurements 6L6
  67. 0A3 Light
  68. Equivalent to Tango NC-10 IT
  69. Ammeter wiring?
  70. Highest Practical Primary Z in OPT?
  71. Ampex 6v6 PP Modifications
  72. Variability of RIAA eq with tube characteristics?
  73. 807/350B/6L6 PP amps PSU ?
  74. Need Help For Tube Amp
  75. ECC83 300B Loftin White amp
  76. Hashimoto and the wonderful 45
  77. Capacitor identification–old PIO?
  78. Heathkit variac
  79. E80L pentode mode as driver?
  80. Transformer repair
  81. How many ga for chassis wire?
  82. 807 Guitar Amplifier
  83. I want to MOD - help?
  84. What About Beam Deflection Tubes?
  85. Capacitor
  86. Placement of Ultralinear Tap On Homemade Transformer
  87. Differential stage with CCS in cathode
  88. Directly heated Cathode/insulation question
  89. "Dirt Cheap SE" 6BM8 spud amp
  90. isolation transformer won't supply filiments - 1968 Harmony H400A tube guitar amp
  91. Single-end Power amp with tubes
  92. Input pot question
  93. Need help putting 6Z4 into PSU Designer
  94. SimpleSE Under Chassis Mounting
  95. Bias methods?
  96. Aikido and SE KT88
  97. Built this pre amp today!
  98. Mystery tube in a Fisher FM-90X - V50,064
  99. Switch contacts for HV supply
  100. The First Sound Recording - we can hear it finally
  101. RCA made in Japan???????
  102. 6V6GT in the SimpleSE
  103. trimmings for amp project
  104. Tube Preamp Hybrid new builder, lots of question!
  105. Chinese mini bias pots
  106. GU-50, GM70 and KT88
  107. Please recommend me an amplifier design.
  108. Single-ended OR push-pull?
  109. Darling in Europe... (110 vs. 220)
  110. DC heater (+/-) -> elevated?
  111. Tubelab simple SE help needed...working but only on one channel
  112. Yaqin MS-300B SET amp
  113. 300b calibration (tubelab)
  114. Sonics of a "dynamic coupled" driver
  115. 716p's Vs. Fancy Caps
  116. ELL80
  117. Will this work?
  118. What circuit to build with MQ TL-404
  119. Very low output from Knight KN928 amp
  120. 6GK5 to drive a 6AS7?
  121. Plate Heater Dissipators
  122. preamp suitable for Dynaco st-70- OTHER than dynaco
  123. 'EL34 World' website for music amps
  124. Strange Russian(?) tube tester
  125. is this possible?
  126. Power transformer impedance
  127. Anybody did compared tube vs opamp for preamp ?
  128. The days of wine, roses & WE205D
  129. I need to ask...
  130. SPICE model for 6AK5 wanted!
  131. Differences with 6C33 Tube Types
  132. mugen hybride
  133. 1st Build - Kit or No Kit
  134. feedback problems
  135. Antique Electric Supply
  136. Highs
  137. ELK bass amp, mono, twin OPT's (?)
  138. Anyone have a "handle" on the Yaqin EL34 X 2 SE AMP?
  139. Suggestions on books
  140. Cathode stripping in low voltage tubes
  141. Current to overcome 6.5 uuF input capacitance?
  142. Help me to work on the damping factor of my 845 SET
  143. Y A A B - Yet Another Aikido Build
  144. Music Angel - Help wanted
  145. Calculating PS current for octal Aikido
  146. X-10d
  147. wirewound vs standard pots
  148. Anyone famaliar with the 485 tube?
  149. Ideas for ground plane/shielding?
  150. TESLA E88CC 6922 Tubes shorting out???????
  151. Will My Ipod Benefit Through a Tube Amp?
  152. PSU for testing circuits
  153. easier way to cut a square hole for xmfr
  154. Combine left & right for sub
  155. Noisy Squeal from SE amp
  156. Plate Choke calculation
  157. Audio Cable Deathmatch!
  158. tubelab PP?
  159. replacing op-amps with thermionic valves
  160. aikido heater
  161. Heathkit W 5M output transformers
  162. 6S19 Circlotron (OTL)
  163. Quality of Hammond 1600 series transformers and a question about loading.
  164. Kuei Yang Wang's 6sn7 linestage
  165. Laney TF-200 speaker farts out...
  166. E-mu 0202 + audiotester
  167. Where to buy HT toroids ?
  168. CJ 1.4: Power tubes are working but drivers not ! Help please.
  169. A 6SN7 direct coupled preamp & regulated supply for everyone's perusal.
  170. Slight hum from my new soldering station.
  171. phono stage
  172. 6sn7gtb problem
  173. The old man told me to get it all out of the basement
  174. The Look of Preamp Hum
  175. hookup wire options
  176. Tubelab Simple Se Trannie Shopping List-a Newbie Seeks Info
  177. Testing Amplifiers / Pad
  178. Volume Pot vs Stepped Attenuater
  179. Which tubes should I use?
  180. KT88s and grid current
  181. Gain stage with g2-feedback.
  182. K-502 Left Channel is out
  183. 12B4 help needed
  184. Power Trans question
  185. Noob amp wiring question...
  186. 5842 - russian ripoff
  187. Ruskie tube questions
  188. Opt placement
  189. 807 AB2 oscillation maybe?
  190. Amazon Does DIY Parts
  191. Shielded wire
  192. Guitar amp(s) for nephews
  193. Questions about Tube Amplifiers, Mikael's vs SimpleSE
  194. duncan psu simulation vox ac30cc
  195. Where low noise resistors matter
  196. funky power supply
  197. Choke loaded PSU versus VR tube regulated PSU?
  198. What would most of you do?
  199. IRFBC20 as source follower drivers for EL34s in AB1 PP
  200. first post, PS for 6em7 SET amp
  201. affordable transformers for KT-88's
  202. Need help with schematic
  203. How many people here use simulators, like LTspice, to help design tube stuff?
  204. newbie question regarding gain reduction
  205. Anybody did try this tube preamp ?
  206. Heathkit UA-2 output tx wiring question
  207. Question about the properties of "matched" tubes
  208. Using a passive direct box to kill ground loop noise?
  209. magnetized power transformer!
  210. Utc A-24
  211. lower cost options for spectrum analyser/ function generator?
  212. Need schematics for Val VP-110S Tube Amp
  213. So What now
  214. What other tubes can I use this OPT for?
  215. Super Junkbox 6S19P SET
  216. Grid stopper resistors
  217. 1959 Pilot AA-908 Amp into Guitar Amp
  218. Please evaluate my new EL34 Amp (waveform attached)
  219. Max voltages for EL84?
  220. Tubelab SE finished but need help.
  221. Oscilloscope Probes for Tube Work
  222. ECC88 vs 6SN7
  223. Good (tube) audio shows in the US?
  224. Please help me de-hum my new pre
  225. Help for newbie
  226. Simple ReAmp Mod? Help with Input Impedances, Please!
  227. Which of these two phono stages
  228. Crosley radio
  229. Small tube amp for headphones/computer speakers?(first post)
  230. Peculiar Fisher circuit
  231. Hum in Grounded Grid Pre
  232. Counterpoint SA-1000
  233. K-502 How to select a potentiometer
  234. What are these Christmas light things?
  235. a CHEAP integrated tube amp kit-anybody?
  236. My amp is acting like a transducer!?
  237. Transformer current question
  238. Brimar date codes?
  239. Home made SE 300B amp
  240. Parallel Push Pull 6AS7 or 6080
  241. random crackle ? (McMartin MA-20)
  242. KT88 filament failure - twice on same socket
  243. Solid State Regulator for tube amp
  244. Proposed screen-drive amp design... comments, please?
  245. SimpleSE PCB out of stock
  246. Any good explanation of Passive EQ Filters??
  247. terraplane 300B
  248. Sun Audio transformers
  249. Vacuum State RTP5.
  250. Schematics for Audio Innovations s1000 pre

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