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  1. 6ha5
  2. Western electric VT1 tubes
  3. Edge connectors - which to use?
  4. pc mount el34 socket
  5. use MKP capacitor instead of electrolytc for AC filter
  6. 12B4A Linestage
  7. Regulated Heater Supply
  8. Schottky bridge rectifier
  9. 6r-a8???
  10. Plitron Specialist transformer with Unity Coupling
  11. Getting started with tube preamps
  12. Pre-(Line-)Amp with RE074
  13. Interstage Transformer for Experimentation : Hammond 560L
  14. A question regarding Valve fillaments..
  15. Rectified heater voltage problems?
  16. Better than using a resistor as I/O converter
  17. Most responsive tweaker SE9 or 102B
  18. Measurements of tube amps
  19. Nelson Pass-D1-DAC-Output-Stage with tubes ?
  20. High Freq. AC Power for Filaments of 300B SE Power Amp?
  21. Harman Kardon Citation II : love/hate relationships
  22. Happy New Year !
  23. 6c45pi : sonic utopia or sonic hell?
  24. turning a SE 6v6 to a 6bq5 amp
  25. ASL Wave 20
  26. EL32 tube
  27. 50'S GRETSCH tube amp scematics?
  28. "Balanced power"
  29. SE amps opinions for my second amp build needed?
  30. transformer hum
  31. My EAR834 dropped dead! Help!
  32. schmatic for the audio section of A Fisher K-14 chassis
  33. Help me choose a Tube Amp. Project
  34. KT88SE with ECC82
  35. Oscillating Mullard5-20
  36. Distortion in 807 amplifier - please advise
  37. Unity Gain Tube Buffer
  38. Looking for a tweeter amp
  39. Quicksilver?
  40. beginner amp choice question
  41. AC coupling
  42. designing SS power supply
  43. Fender Guitar Amp modifications
  44. Resistors in power supply
  45. Triodes with an extra grid
  46. ECC81 or 83 or 85 or 88 ???
  47. Fisher FM50-B Schematic Needed
  48. Audio Research Database
  49. MJ-Magazine
  50. so i get common tubes free... now i just need a project
  51. current source...
  52. Help with integrated DPP amplifier.
  53. WE old tube question
  54. Looking for a 6550 recommendation...
  55. Counterpoint Manual
  56. Cathode bipass capacitor and transformer impedience
  57. Finally got a tube amp circuit to work!!! (mild debug help needed)
  58. inrush current
  59. Sylvania Chrome top 6SN7 tube
  60. High gain Tube amp problems
  61. 12 volt tube preamp help
  62. Pearl Audio Archives status
  63. Your opinion on 813?
  64. Hi; i am new to tubes
  65. cheapest output transformer for a SE EL84 guitar
  66. Filiment transformer question
  67. Electrolytic Capacitor Insulation
  68. Rca 808
  69. Push pull class A bias question
  70. Twists per inch on filament wiring?
  71. Lynn Olson's web site: AWOL?
  72. Affordable "starter" SE amp
  73. SRPP is....?
  74. guitar amp input jack help
  75. interstage coupling
  76. Where are the 833 amps?
  77. E283cc
  78. OTL design recommendation? (6C33C maybe?)
  79. 6AU4GTA as High voltage rectifier
  80. Question
  81. where can I buy fully assembled tube amplifiers here in the U.S
  82. cryod 6922s
  83. Speaker Impedance
  84. Parallel, single-ended Pentode. How?
  85. Electro Harmonix KT90?
  86. I have 1 pair of 1J6GT
  87. Mullard 5-20 again
  88. B+ power supply
  89. datasheet request
  90. Good tubes for Luxman pre-amp
  91. What is PTT216?
  92. E810F filter buffert in dac Q
  93. ECL82/6BM8 as rectifier?
  94. Mesa Boogie Mark IV
  95. Replacement for 5R4
  96. Replacement capacitors?
  97. 6AS7 Svetlana schematics?
  98. 10/10y/801
  99. Double checking my PSU and filter question.
  100. 12B4A tube amplifier with output transformers
  101. Learned a lesson today
  102. What is a Hickok 533 worth?
  103. Kailin El34
  104. Substitute for 5842/417A
  105. Air travel with DIY tube gear.
  106. 6C45 211 Amp
  107. Lowering gain in 12AX7 SRPP preamp
  108. tube amp/speaker match
  109. bifilar output trans in single ended amp
  110. Just to introduce myself
  111. i finished my first amp
  112. Citation II output transformers
  113. type 27 pre
  114. 6072 replacement, pls help
  115. Zen SE84cs transfomer upgrade? Plitron Toroidal?
  116. Has anyone on this forum heard a gainclone?
  117. EL 34 parallel push pull (quad)
  118. K&K Audio Balanced Linestage
  119. Room resonances
  120. EL-84 Integrated amp Project
  121. more newbie questions
  122. copland CVA 306
  123. Mullard 5-20 schematics
  124. Tube crossover for sub?
  125. Simple tube EQ?
  126. Just a few questions
  127. Tube Preamp for Apox Volume Control
  128. Hammond M3 Tube Amp Project
  129. Ultra linear g2-anode suppress
  130. Vacuum State Electronics FVP5A
  131. Mercury model 2000 tube tester
  132. Schematic of ID of this 6V6/6U8 stereo amp
  133. Operating points for #37 triode
  134. simple line buffer
  135. preamplifier with output transformers
  136. Preamp for guitar - low distortion
  137. F.S:unused tube measurer
  138. Nina Mu Stage Preamp - Circuit and Details
  139. Why are 6V6G(T)'s always black inside?
  140. Please clear this up 805 or pcl805
  141. What happend to svetlana tubes?
  142. penta
  143. 6V6 guitar amp...
  144. Phase splitters: Constant current sources
  145. What do you think bout that???
  146. tube amp recommendation
  147. Want a tube amp. Tell me what should get...
  148. The lego-technics transformer winding setup
  149. Toroid transformers
  150. Hempel
  151. Help on SRPP line amp!
  152. leaking magnetic flux
  153. PS evaluation
  154. Diy Phono stage
  155. Ground on OTL
  156. Transformer Steel Material
  157. mid voltage tubes?
  158. stupid first-timer
  159. az1 rectifier, chokes and caps
  160. backwards transformers
  161. Need help - trying to increase gain by paralleling triode sections
  162. Auricaps
  163. SE 6EM7 amp
  164. Simple EL84
  165. E88CC preamplifier _ I need diagram
  166. Need good 10-20watt design
  167. Does anyone here use active (digital or otherwise) XOs or EQs or...
  168. Tube mic preamp
  169. help with AudioXpress cd-rom
  170. protecting output tubes at startup
  171. 6N2, 6N6, 6N11 - Please help a beginner! (long)
  172. C core output transformer
  173. grounding
  174. Microphone Amp/Mixer
  175. Opinion solicitation / Shameless plug
  176. Sound Difference Old verses New Tubes
  177. Rewiring that EL509
  178. Russell Sadd's transformer design page.
  179. Article on Distortion
  180. wiring a 6ak5w as a triode
  181. Ankoru
  182. Basic Preamplifier (Balanced Output)
  183. DIY 5687 Preamp
  184. New tube project done in a BIG way
  185. Svetlana SV572-10 ???
  186. My boombox on.. tubes. :)
  187. From glass to mylar
  188. Suitable driver for Ultralinear?
  189. choke regulated power supply
  190. 'Battery under cathode' bias - long-term users?
  191. Will russian 6H6P tube work instead of E88CC?
  192. few Qs, pentodes, srpp, ect...
  193. Power Supply Caps
  194. 6072A Line-Amp
  195. Buying output transformers in Germany.
  196. Noob Toob Question
  197. Transformer Question
  198. High Powered 3cx300a1 Tube Amp
  199. Grounded Grid Trafo question
  200. PP 6AS7 "Maurits"
  201. Newbie, Tubeee
  202. Useful link for tube-hounds
  203. Vacuum tude diode help
  204. Long-winded capacitor question
  205. good simple SE circuit please
  206. Curcio or Triode Elec for ST-70 hot rod parts?
  207. 6021w
  208. fvp5 dc output
  209. Transfomer Too hot on my AudioNote 300B kit one
  210. Help Please 11e1 Valve
  211. Rogue 120 Mono Blocks
  212. AutotraxEDA help
  213. 845 class A2??
  214. choke and cap question
  215. 813 or 845 for a SE amplifier
  216. My first tube project
  217. I have some tubes... what can I do with them? :D
  218. Are Balance Controls Still Necessary?
  219. Info on N.E.W equipment?
  220. input stage and driver help!
  221. 6KV6A curves?
  222. low voltage tubes (space charge, etc.) for guitar amp?
  223. Dual mono amp for guitar amp
  224. Wurlitzer schematic needed for a 6420 amp
  225. Parelling Output Tubes
  226. cathode bypass in PP output stage?
  227. diy valve amp
  228. Tube amp, output capacitor and headphones impedance
  229. Tek 465 Scope
  230. Software?
  231. Has anyone tried a 37 tube as a preamp
  232. I found some old tubes. Can I use those?
  233. Whaddayathink? - tube amp kit
  234. Problems Lundahl LL1660 and 6c45 to 6c33 Triode!Need help!
  235. #27 tube for line amp?
  236. Troidal OPT winding
  237. some poor n00b who may have gotten lucky...
  238. Battery preamp, concurrent charging
  239. opt windings, need some help
  240. Dynaco A470 Output Transformers
  241. Cleaning tricks for removing rust
  242. Looking for tube design software.
  243. Super Triode Conection amps - opinions needed
  244. Hammond 300BX Power Transformer
  245. 6G4B SE Amp.
  246. Which is the best for output transformers
  247. Power supply problem
  248. resistor in PS?
  249. type 76 simple preamplifier
  250. Lectron JH50 help

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