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  1. Schottky bridge rectifier
  2. 6r-a8???
  3. Plitron Specialist transformer with Unity Coupling
  4. Getting started with tube preamps
  5. Pre-(Line-)Amp with RE074
  6. Interstage Transformer for Experimentation : Hammond 560L
  7. A question regarding Valve fillaments..
  8. Rectified heater voltage problems?
  9. Better than using a resistor as I/O converter
  10. Most responsive tweaker SE9 or 102B
  11. Measurements of tube amps
  12. Nelson Pass-D1-DAC-Output-Stage with tubes ?
  13. High Freq. AC Power for Filaments of 300B SE Power Amp?
  14. Harman Kardon Citation II : love/hate relationships
  15. Happy New Year !
  16. 6c45pi : sonic utopia or sonic hell?
  17. turning a SE 6v6 to a 6bq5 amp
  18. ASL Wave 20
  19. EL32 tube
  20. 50'S GRETSCH tube amp scematics?
  21. "Balanced power"
  22. SE amps opinions for my second amp build needed?
  23. transformer hum
  24. My EAR834 dropped dead! Help!
  25. schmatic for the audio section of A Fisher K-14 chassis
  26. Help me choose a Tube Amp. Project
  27. KT88SE with ECC82
  28. Oscillating Mullard5-20
  29. Distortion in 807 amplifier - please advise
  30. Unity Gain Tube Buffer
  31. Looking for a tweeter amp
  32. Quicksilver?
  33. beginner amp choice question
  34. AC coupling
  35. designing SS power supply
  36. Fender Guitar Amp modifications
  37. Resistors in power supply
  38. Triodes with an extra grid
  39. ECC81 or 83 or 85 or 88 ???
  40. Fisher FM50-B Schematic Needed
  41. Audio Research Database
  42. MJ-Magazine
  43. so i get common tubes free... now i just need a project
  44. current source...
  45. Help with integrated DPP amplifier.
  46. WE old tube question
  47. Looking for a 6550 recommendation...
  48. Counterpoint Manual
  49. Cathode bipass capacitor and transformer impedience
  50. Finally got a tube amp circuit to work!!! (mild debug help needed)
  51. inrush current
  52. Sylvania Chrome top 6SN7 tube
  53. High gain Tube amp problems
  54. 12 volt tube preamp help
  55. Pearl Audio Archives status
  56. Your opinion on 813?
  57. Hi; i am new to tubes
  58. cheapest output transformer for a SE EL84 guitar
  59. Filiment transformer question
  60. Electrolytic Capacitor Insulation
  61. Rca 808
  62. Push pull class A bias question
  63. Twists per inch on filament wiring?
  64. Lynn Olson's web site: AWOL?
  65. Affordable "starter" SE amp
  66. SRPP is....?
  67. guitar amp input jack help
  68. interstage coupling
  69. Where are the 833 amps?
  70. E283cc
  71. OTL design recommendation? (6C33C maybe?)
  72. 6AU4GTA as High voltage rectifier
  73. Question
  74. where can I buy fully assembled tube amplifiers here in the U.S
  75. cryod 6922s
  76. Speaker Impedance
  77. Parallel, single-ended Pentode. How?
  78. Electro Harmonix KT90?
  79. I have 1 pair of 1J6GT
  80. Mullard 5-20 again
  81. B+ power supply
  82. datasheet request
  83. Good tubes for Luxman pre-amp
  84. What is PTT216?
  85. E810F filter buffert in dac Q
  86. ECL82/6BM8 as rectifier?
  87. Mesa Boogie Mark IV
  88. Replacement for 5R4
  89. Replacement capacitors?
  90. 6AS7 Svetlana schematics?
  91. 10/10y/801
  92. Double checking my PSU and filter question.
  93. 12B4A tube amplifier with output transformers
  94. Learned a lesson today
  95. What is a Hickok 533 worth?
  96. Kailin El34
  97. Substitute for 5842/417A
  98. Air travel with DIY tube gear.
  99. 6C45 211 Amp
  100. Lowering gain in 12AX7 SRPP preamp
  101. tube amp/speaker match
  102. bifilar output trans in single ended amp
  103. Just to introduce myself
  104. i finished my first amp
  105. Citation II output transformers
  106. type 27 pre
  107. 6072 replacement, pls help
  108. Zen SE84cs transfomer upgrade? Plitron Toroidal?
  109. Has anyone on this forum heard a gainclone?
  110. EL 34 parallel push pull (quad)
  111. K&K Audio Balanced Linestage
  112. Room resonances
  113. EL-84 Integrated amp Project
  114. more newbie questions
  115. copland CVA 306
  116. Mullard 5-20 schematics
  117. Tube crossover for sub?
  118. Simple tube EQ?
  119. Just a few questions
  120. Tube Preamp for Apox Volume Control
  121. Hammond M3 Tube Amp Project
  122. Ultra linear g2-anode suppress
  123. Vacuum State Electronics FVP5A
  124. Mercury model 2000 tube tester
  125. Schematic of ID of this 6V6/6U8 stereo amp
  126. Operating points for #37 triode
  127. simple line buffer
  128. preamplifier with output transformers
  129. Preamp for guitar - low distortion
  130. F.S:unused tube measurer
  131. Nina Mu Stage Preamp - Circuit and Details
  132. Why are 6V6G(T)'s always black inside?
  133. Please clear this up 805 or pcl805
  134. What happend to svetlana tubes?
  135. penta
  136. 6V6 guitar amp...
  137. Phase splitters: Constant current sources
  138. What do you think bout that???
  139. tube amp recommendation
  140. Want a tube amp. Tell me what should get...
  141. The lego-technics transformer winding setup
  142. Toroid transformers
  143. Hempel
  144. Help on SRPP line amp!
  145. leaking magnetic flux
  146. PS evaluation
  147. Diy Phono stage
  148. Ground on OTL
  149. Transformer Steel Material
  150. mid voltage tubes?
  151. stupid first-timer
  152. az1 rectifier, chokes and caps
  153. backwards transformers
  154. Need help - trying to increase gain by paralleling triode sections
  155. Auricaps
  156. SE 6EM7 amp
  157. Simple EL84
  158. E88CC preamplifier _ I need diagram
  159. Need good 10-20watt design
  160. Does anyone here use active (digital or otherwise) XOs or EQs or...
  161. Tube mic preamp
  162. help with AudioXpress cd-rom
  163. protecting output tubes at startup
  164. 6N2, 6N6, 6N11 - Please help a beginner! (long)
  165. C core output transformer
  166. grounding
  167. Microphone Amp/Mixer
  168. Opinion solicitation / Shameless plug
  169. Sound Difference Old verses New Tubes
  170. Rewiring that EL509
  171. Russell Sadd's transformer design page.
  172. Article on Distortion
  173. wiring a 6ak5w as a triode
  174. Ankoru
  175. Basic Preamplifier (Balanced Output)
  176. DIY 5687 Preamp
  177. New tube project done in a BIG way
  178. Svetlana SV572-10 ???
  179. My boombox on.. tubes. :)
  180. From glass to mylar
  181. Suitable driver for Ultralinear?
  182. choke regulated power supply
  183. 'Battery under cathode' bias - long-term users?
  184. Will russian 6H6P tube work instead of E88CC?
  185. few Qs, pentodes, srpp, ect...
  186. Power Supply Caps
  187. 6072A Line-Amp
  188. Buying output transformers in Germany.
  189. Noob Toob Question
  190. Transformer Question
  191. High Powered 3cx300a1 Tube Amp
  192. Grounded Grid Trafo question
  193. PP 6AS7 "Maurits"
  194. Newbie, Tubeee
  195. Useful link for tube-hounds
  196. Vacuum tude diode help
  197. Long-winded capacitor question
  198. good simple SE circuit please
  199. Curcio or Triode Elec for ST-70 hot rod parts?
  200. 6021w
  201. fvp5 dc output
  202. Transfomer Too hot on my AudioNote 300B kit one
  203. Help Please 11e1 Valve
  204. Rogue 120 Mono Blocks
  205. AutotraxEDA help
  206. 845 class A2??
  207. choke and cap question
  208. 813 or 845 for a SE amplifier
  209. My first tube project
  210. I have some tubes... what can I do with them? :D
  211. Are Balance Controls Still Necessary?
  212. Info on N.E.W equipment?
  213. input stage and driver help!
  214. 6KV6A curves?
  215. low voltage tubes (space charge, etc.) for guitar amp?
  216. Dual mono amp for guitar amp
  217. Wurlitzer schematic needed for a 6420 amp
  218. Parelling Output Tubes
  219. cathode bypass in PP output stage?
  220. diy valve amp
  221. Tube amp, output capacitor and headphones impedance
  222. Tek 465 Scope
  223. Software?
  224. Has anyone tried a 37 tube as a preamp
  225. I found some old tubes. Can I use those?
  226. Whaddayathink? - tube amp kit
  227. Problems Lundahl LL1660 and 6c45 to 6c33 Triode!Need help!
  228. #27 tube for line amp?
  229. Troidal OPT winding
  230. some poor n00b who may have gotten lucky...
  231. Battery preamp, concurrent charging
  232. opt windings, need some help
  233. Dynaco A470 Output Transformers
  234. Cleaning tricks for removing rust
  235. Looking for tube design software.
  236. Super Triode Conection amps - opinions needed
  237. Hammond 300BX Power Transformer
  238. 6G4B SE Amp.
  239. Which is the best for output transformers
  240. Power supply problem
  241. resistor in PS?
  242. type 76 simple preamplifier
  243. Lectron JH50 help
  244. preamp help for newby
  245. Skip 805, what can I do with 6HS5?
  246. Tube Nicknames?
  247. Silicone High temp O-rings as tube dampers
  248. a few questions for my first time
  249. humbucking filter choke - how different?
  250. Pros and Cons of this technique?

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