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  1. cascode vs asymmetrical cathode coupled
  2. music angel 845 SET
  3. Help! My amp stopped singing...
  4. LTP CCS IXYS with 10m45s opinions
  5. Boozhound Choke Tail Pair for HiFi
  6. 5718 subminiture tube?
  7. fixed bias for push pull tube amps
  8. EC86 and phono
  9. Power Transformer mystery lead....
  10. Bias measurements 6L6
  11. 0A3 Light
  12. Equivalent to Tango NC-10 IT
  13. Ammeter wiring?
  14. Highest Practical Primary Z in OPT?
  15. Ampex 6v6 PP Modifications
  16. Variability of RIAA eq with tube characteristics?
  17. 807/350B/6L6 PP amps PSU ?
  18. Need Help For Tube Amp
  19. ECC83 300B Loftin White amp
  20. Hashimoto and the wonderful 45
  21. Heathkit variac
  22. E80L pentode mode as driver?
  23. Transformer repair
  24. How many ga for chassis wire?
  25. I want to MOD - help?
  26. What About Beam Deflection Tubes?
  27. Placement of Ultralinear Tap On Homemade Transformer
  28. Differential stage with CCS in cathode
  29. Directly heated Cathode/insulation question
  30. "Dirt Cheap SE" 6BM8 spud amp
  31. Single-end Power amp with tubes
  32. Input pot question
  33. Need help putting 6Z4 into PSU Designer
  34. SimpleSE Under Chassis Mounting
  35. Bias methods?
  36. Aikido and SE KT88
  37. Built this pre amp today!
  38. Mystery tube in a Fisher FM-90X - V50,064
  39. Switch contacts for HV supply
  40. The First Sound Recording - we can hear it finally
  41. RCA made in Japan???????
  42. 6V6GT in the SimpleSE
  43. trimmings for amp project
  44. Tube Preamp Hybrid new builder, lots of question!
  45. Chinese mini bias pots
  46. GU-50, GM70 and KT88
  47. Please recommend me an amplifier design.
  48. Single-ended OR push-pull?
  49. Darling in Europe... (110 vs. 220)
  50. DC heater (+/-) -> elevated?
  51. Yaqin MS-300B SET amp
  52. Sonics of a "dynamic coupled" driver
  53. ELL80
  54. Will this work?
  55. What circuit to build with MQ TL-404
  56. Very low output from Knight KN928 amp
  57. 6GK5 to drive a 6AS7?
  58. Plate Heater Dissipators
  59. preamp suitable for Dynaco st-70- OTHER than dynaco
  60. 'EL34 World' website for music amps
  61. is this possible?
  62. Power transformer impedance
  63. The days of wine, roses & WE205D
  64. I need to ask...
  65. SPICE model for 6AK5 wanted!
  66. Differences with 6C33 Tube Types
  67. mugen hybride
  68. 1st Build - Kit or No Kit
  69. feedback problems
  70. Antique Electric Supply
  71. Highs
  72. ELK bass amp, mono, twin OPT's (?)
  73. Anyone have a "handle" on the Yaqin EL34 X 2 SE AMP?
  74. Suggestions on books
  75. Cathode stripping in low voltage tubes
  76. Current to overcome 6.5 uuF input capacitance?
  77. Help me to work on the damping factor of my 845 SET
  78. Y A A B - Yet Another Aikido Build
  79. Music Angel - Help wanted
  80. Calculating PS current for octal Aikido
  81. X-10d
  82. wirewound vs standard pots
  83. Anyone famaliar with the 485 tube?
  84. Ideas for ground plane/shielding?
  85. TESLA E88CC 6922 Tubes shorting out???????
  86. Will My Ipod Benefit Through a Tube Amp?
  87. PSU for testing circuits
  88. Combine left & right for sub
  89. Noisy Squeal from SE amp
  90. Plate Choke calculation
  91. Audio Cable Deathmatch!
  92. replacing op-amps with thermionic valves
  93. aikido heater
  94. Heathkit W 5M output transformers
  95. 6S19 Circlotron (OTL)
  96. Quality of Hammond 1600 series transformers and a question about loading.
  97. Kuei Yang Wang's 6sn7 linestage
  98. E-mu 0202 + audiotester
  99. Where to buy HT toroids ?
  100. CJ 1.4: Power tubes are working but drivers not ! Help please.
  101. A 6SN7 direct coupled preamp & regulated supply for everyone's perusal.
  102. Slight hum from my new soldering station.
  103. phono stage
  104. 6sn7gtb problem
  105. The old man told me to get it all out of the basement
  106. The Look of Preamp Hum
  107. hookup wire options
  108. Testing Amplifiers / Pad
  109. Which tubes should I use?
  110. KT88s and grid current
  111. Gain stage with g2-feedback.
  112. K-502 Left Channel is out
  113. 12B4 help needed
  114. Power Trans question
  115. Noob amp wiring question...
  116. 5842 - russian ripoff
  117. Ruskie tube questions
  118. Opt placement
  119. 807 AB2 oscillation maybe?
  120. Amazon Does DIY Parts
  121. Shielded wire
  122. Questions about Tube Amplifiers, Mikael's vs SimpleSE
  123. Where low noise resistors matter
  124. funky power supply
  125. Choke loaded PSU versus VR tube regulated PSU?
  126. What would most of you do?
  127. IRFBC20 as source follower drivers for EL34s in AB1 PP
  128. first post, PS for 6em7 SET amp
  129. affordable transformers for KT-88's
  130. Need help with schematic
  131. How many people here use simulators, like LTspice, to help design tube stuff?
  132. newbie question regarding gain reduction
  133. Anybody did try this tube preamp ?
  134. Heathkit UA-2 output tx wiring question
  135. Question about the properties of "matched" tubes
  136. Using a passive direct box to kill ground loop noise?
  137. magnetized power transformer!
  138. Utc A-24
  139. lower cost options for spectrum analyser/ function generator?
  140. Need schematics for Val VP-110S Tube Amp
  141. So What now
  142. What other tubes can I use this OPT for?
  143. Super Junkbox 6S19P SET
  144. Grid stopper resistors
  145. Please evaluate my new EL34 Amp (waveform attached)
  146. Max voltages for EL84?
  147. Oscilloscope Probes for Tube Work
  148. ECC88 vs 6SN7
  149. Good (tube) audio shows in the US?
  150. Please help me de-hum my new pre
  151. Help for newbie
  152. Simple ReAmp Mod? Help with Input Impedances, Please!
  153. Which of these two phono stages
  154. Crosley radio
  155. Small tube amp for headphones/computer speakers?(first post)
  156. Peculiar Fisher circuit
  157. Hum in Grounded Grid Pre
  158. Counterpoint SA-1000
  159. K-502 How to select a potentiometer
  160. What are these Christmas light things?
  161. a CHEAP integrated tube amp kit-anybody?
  162. My amp is acting like a transducer!?
  163. Transformer current question
  164. Brimar date codes?
  165. Home made SE 300B amp
  166. Parallel Push Pull 6AS7 or 6080
  167. random crackle ? (McMartin MA-20)
  168. KT88 filament failure - twice on same socket
  169. Solid State Regulator for tube amp
  170. Proposed screen-drive amp design... comments, please?
  171. Any good explanation of Passive EQ Filters??
  172. terraplane 300B
  173. Sun Audio transformers
  174. Vacuum State RTP5.
  175. Schematics for Audio Innovations s1000 pre
  176. Tube amp for newbye
  177. 3C24SE amp...
  178. Meixing MingDa MC767-RD
  179. confusing transformer connections
  180. Have to mod K-502 to 4Ohms from 8
  181. SOund of 3B28 vs. 866A
  182. S3E Vacuum Tube
  183. Tube audio & "3 dimensionality"
  184. Darling monoblocks
  185. Testing 350B with B & K 747A
  186. Interstage transformer for balanced amp question
  187. Filament transformer questions
  188. dBm or dBV Audio Voltmeter
  189. VTL MB250 Signature monoblock Manual..
  190. Choke phase spliter
  191. Output transformer DC resistance..
  192. Chassis layout?
  193. Jolida schematic questions
  194. Tube Phono preamp kit?
  195. Does size really matter - SE Output
  196. 437A testing
  197. What to do with a 5k output transfomer?
  198. adapter?
  199. Studer 52
  200. Safety ground question
  201. Old PS questions (EL34 replacement), and any Aus people know BWD?
  202. Darling 1626 amp
  203. Blackheart 5 watt
  204. What is this tube amp
  205. Extry, Extry, Blind Squirrel Finds Nut -sequence
  206. Why is distortion harmonic?
  207. Source for OPT
  208. EL34 to RL12P35 converting
  209. calculating total current draw
  210. Allied Radio (Knight) KA-55 schematic
  211. 6F6G Amplifier
  212. good book/article about using oscilloscopes?
  213. how to attach photos
  214. Is 450V the max of triode strapped 6l6gc
  215. Separate power supply - Umbilical Cord
  216. tube amp being weird -- any ideas
  217. need to discharge psu safely
  218. Jadis DA7/defy power amplifier mods
  219. 5.3v on 6SN7 filament?
  220. The Valve Wizard
  221. Mercury vapor rectifier tube question
  222. An Indiana Yankee in Putin's court.
  223. Switching over to a fixed bias
  224. Dynamic load line analysis using music and speaker load
  225. Capacitance in PSU
  226. preamp line ctt
  227. Genalex KT-88 reissue
  228. Combine EF80 with EL84
  229. 2A3 maximum plate voltage
  230. Amplifier Response Stability & All That.
  231. 100k linear pots, any idea?
  232. 6550, 6L6, or 6V6??
  233. grid-stopper resistor
  234. cathode bypass caps suggestions please for newbie
  235. Need Schematic-H&K B.A.T.T.
  236. 6EJ7 phono preamp?
  237. Impressions of the Ella, a pp EL34
  238. 30L15 / PCC805 - What can I use them for?
  239. Ultra Cheap transformers?
  240. Push-pull output impedance
  241. Tube amp cost
  242. 830b
  243. Leak Tl/12+
  244. Toroid Trafo as choke
  245. in search of a 3c33 dual triode.....
  246. Question about MiniBlok II Schematic
  247. Wavebourn Alligator amplifier
  248. Best Tube Testers?
  249. Rusky version EF86
  250. Melos SHA Gold Issue

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