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  1. driver 6a3
  2. Morgan Jones H/P Amp problems PLEASE HELP
  3. Wad 6550
  4. Ferguson Type: OX170 & Ferguson OP6M Info Needed...
  5. Ebay Stuff - electrolytics for tubies
  6. Pioneer output transformers from the 60's
  7. The future of the Valve.
  8. Trying to understand negative feedback
  9. schematics
  10. Overvolting e-lyts
  11. Bottlehead Paramours done my way
  12. next project: rebuild using fisher 500c trannies
  13. Consonance ELLA
  14. Just a quick Q
  15. Has anyone tried a 6S4A as a 300B driver tube?
  16. Tube Preamp PSU Question
  17. 6N1P for buffer instead of 6DJ8, 6922
  18. quick question about a sovtek 6922
  19. 50.000 $ for a 30W amplifier .
  20. Opinion upon amp life expectancy at 5 hours/day? (theres a catch)
  21. Online Resoucre for Old Tubes?
  22. Comparisons
  23. Conrad Johnson PV10 mod
  24. ETM connected EL/PL509 in T8 OTL-OCL amplifier - how?
  25. good replacement for ECC82
  26. Velleman K4040
  27. $5 SE amp... but is it fried?!
  28. Build with 300B or something else???
  29. Another question
  30. Anybody know these two tubes? DET-9 & Ba
  31. Decent Valve Amp Kit?
  32. distorted hum
  33. Which KT88??
  34. Not connecting grids/anode can hurt tube?
  35. Question for SE Transformer Gurus
  36. Decoupling Paper In Oil capacitor question for KT88 design.
  37. Isabelle Phono Stage
  38. input/driver tube
  39. Best Sounding 6550
  40. toroidal trannies alignment
  41. OTL OCL or Non
  42. How can I use UTC A22 at OPT in pre-amp?
  43. SE Output Transformers
  44. Sq-5
  45. Specs And Curves
  46. Golden Dragon Tube
  47. 2A3 Output Transformer
  48. Powre Transformer for 2A3
  49. Newbie - Is this a good amp?
  50. Reference for DIY AudioCraft in Hong Kong
  51. tubes avalibility
  52. OTL Output Cap Question
  53. Newbie question : Plate CCS
  54. Black Art Single Ended Output Transformers
  55. quick transformer question
  56. CCS for p-p cathode bias ?
  57. Tube output stage for DAC
  58. Reinhöfer Transformers (Germany).
  59. power transformer help !!!
  60. UXCV11 Triode Tube
  61. HVHP shuntreg PCB's available?
  62. Harmon Kardon Ballad Stereo Amplifier
  63. 811A tube internal resistance ?
  64. 8417
  65. Running tubes at lower voltages
  66. EL34-PP building questions
  67. tube 8416 good for audio ???
  68. tube substitution and amp modification guidelines
  69. Real russian tubes anyone??
  70. I'm starting 300B amp
  71. Anyone tried this at home?
  72. push pull bias servo
  73. Sylvania JAN 6L6WGB max plate V?
  74. Repairing valve bases
  75. E55L in triode as driver!
  76. SE Class A with 845or 211. Need a good circuit
  77. st-70 questions... tips?
  78. Biasing a Class A amp information
  79. Holy Grail of Valve Amps
  80. Diff amp driver -> SE output
  81. hipass/lowpass filters
  82. Beginners question(help!)
  83. Capacitor Question /question on cap
  84. Report on 6922 testing
  85. 6ha5
  86. Western electric VT1 tubes
  87. Edge connectors - which to use?
  88. pc mount el34 socket
  89. use MKP capacitor instead of electrolytc for AC filter
  90. 12B4A Linestage
  91. Regulated Heater Supply
  92. Schottky bridge rectifier
  93. 6r-a8???
  94. Plitron Specialist transformer with Unity Coupling
  95. Getting started with tube preamps
  96. Pre-(Line-)Amp with RE074
  97. Interstage Transformer for Experimentation : Hammond 560L
  98. A question regarding Valve fillaments..
  99. Rectified heater voltage problems?
  100. Better than using a resistor as I/O converter
  101. Most responsive tweaker SE9 or 102B
  102. Measurements of tube amps
  103. Nelson Pass-D1-DAC-Output-Stage with tubes ?
  104. High Freq. AC Power for Filaments of 300B SE Power Amp?
  105. Harman Kardon Citation II : love/hate relationships
  106. Happy New Year !
  107. 6c45pi : sonic utopia or sonic hell?
  108. turning a SE 6v6 to a 6bq5 amp
  109. ASL Wave 20
  110. EL32 tube
  111. 50'S GRETSCH tube amp scematics?
  112. "Balanced power"
  113. SE amps opinions for my second amp build needed?
  114. transformer hum
  115. My EAR834 dropped dead! Help!
  116. schmatic for the audio section of A Fisher K-14 chassis
  117. Help me choose a Tube Amp. Project
  118. KT88SE with ECC82
  119. Oscillating Mullard5-20
  120. Distortion in 807 amplifier - please advise
  121. Unity Gain Tube Buffer
  122. Looking for a tweeter amp
  123. Quicksilver?
  124. beginner amp choice question
  125. AC coupling
  126. designing SS power supply
  127. Fender Guitar Amp modifications
  128. Resistors in power supply
  129. Triodes with an extra grid
  130. ECC81 or 83 or 85 or 88 ???
  131. Fisher FM50-B Schematic Needed
  132. Audio Research Database
  133. MJ-Magazine
  134. so i get common tubes free... now i just need a project
  135. current source...
  136. Help with integrated DPP amplifier.
  137. WE old tube question
  138. Looking for a 6550 recommendation...
  139. Counterpoint Manual
  140. Cathode bipass capacitor and transformer impedience
  141. Finally got a tube amp circuit to work!!! (mild debug help needed)
  142. inrush current
  143. Sylvania Chrome top 6SN7 tube
  144. High gain Tube amp problems
  145. 12 volt tube preamp help
  146. Pearl Audio Archives status
  147. Your opinion on 813?
  148. Hi; i am new to tubes
  149. cheapest output transformer for a SE EL84 guitar
  150. Filiment transformer question
  151. Electrolytic Capacitor Insulation
  152. Rca 808
  153. Push pull class A bias question
  154. Twists per inch on filament wiring?
  155. Lynn Olson's web site: AWOL?
  156. Affordable "starter" SE amp
  157. SRPP is....?
  158. guitar amp input jack help
  159. interstage coupling
  160. Where are the 833 amps?
  161. E283cc
  162. OTL design recommendation? (6C33C maybe?)
  163. 6AU4GTA as High voltage rectifier
  164. Question
  165. where can I buy fully assembled tube amplifiers here in the U.S
  166. cryod 6922s
  167. Speaker Impedance
  168. Parallel, single-ended Pentode. How?
  169. Electro Harmonix KT90?
  170. I have 1 pair of 1J6GT
  171. Mullard 5-20 again
  172. B+ power supply
  173. datasheet request
  174. Good tubes for Luxman pre-amp
  175. What is PTT216?
  176. E810F filter buffert in dac Q
  177. ECL82/6BM8 as rectifier?
  178. Mesa Boogie Mark IV
  179. Replacement for 5R4
  180. Replacement capacitors?
  181. 6AS7 Svetlana schematics?
  182. 10/10y/801
  183. Double checking my PSU and filter question.
  184. 12B4A tube amplifier with output transformers
  185. Learned a lesson today
  186. What is a Hickok 533 worth?
  187. Kailin El34
  188. Substitute for 5842/417A
  189. Air travel with DIY tube gear.
  190. 6C45 211 Amp
  191. Lowering gain in 12AX7 SRPP preamp
  192. tube amp/speaker match
  193. bifilar output trans in single ended amp
  194. Just to introduce myself
  195. i finished my first amp
  196. Citation II output transformers
  197. type 27 pre
  198. 6072 replacement, pls help
  199. Zen SE84cs transfomer upgrade? Plitron Toroidal?
  200. Has anyone on this forum heard a gainclone?
  201. EL 34 parallel push pull (quad)
  202. K&K Audio Balanced Linestage
  203. Room resonances
  204. EL-84 Integrated amp Project
  205. more newbie questions
  206. copland CVA 306
  207. Mullard 5-20 schematics
  208. Tube crossover for sub?
  209. Simple tube EQ?
  210. Just a few questions
  211. Tube Preamp for Apox Volume Control
  212. Hammond M3 Tube Amp Project
  213. Ultra linear g2-anode suppress
  214. Vacuum State Electronics FVP5A
  215. Mercury model 2000 tube tester
  216. Schematic of ID of this 6V6/6U8 stereo amp
  217. Operating points for #37 triode
  218. simple line buffer
  219. preamplifier with output transformers
  220. Preamp for guitar - low distortion
  221. F.S:unused tube measurer
  222. Nina Mu Stage Preamp - Circuit and Details
  223. Why are 6V6G(T)'s always black inside?
  224. Please clear this up 805 or pcl805
  225. What happend to svetlana tubes?
  226. penta
  227. 6V6 guitar amp...
  228. Phase splitters: Constant current sources
  229. What do you think bout that???
  230. tube amp recommendation
  231. Want a tube amp. Tell me what should get...
  232. The lego-technics transformer winding setup
  233. Toroid transformers
  234. Hempel
  235. Help on SRPP line amp!
  236. leaking magnetic flux
  237. PS evaluation
  238. Diy Phono stage
  239. Ground on OTL
  240. Transformer Steel Material
  241. mid voltage tubes?
  242. stupid first-timer
  243. az1 rectifier, chokes and caps
  244. backwards transformers
  245. Need help - trying to increase gain by paralleling triode sections
  246. Auricaps
  247. SE 6EM7 amp
  248. Simple EL84
  249. E88CC preamplifier _ I need diagram
  250. Need good 10-20watt design

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