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  1. Depression... and a plea for help!!!
  2. Weston 981 Type 3 schematic and parts list needed
  3. 3W 6C33B-C SE OTL schematics ready
  4. Batory tubes, anyone familiar with these?
  5. Musical Pre-amp topology needed. Interstages please apply!
  6. Tube power Amp matching with SAE Mark M pre amp and AR18 speaker or MS 25i
  7. PowerDrive Circuit for 805 (+ve grid bias)
  8. Alternate spice models
  9. Is this heater supply OK?
  10. Basic RC Value Question
  11. Hookup powersubwoofer to a tube receiver.
  12. Transformer question RE; connections on phono stage
  13. Rectifier Tubes Data - Quick Sheet
  14. Now This is A Tube Guitar Amp!!
  15. Which cabling to use?
  16. Need 396A/6N3P/2C51/407A spice model
  17. Antek Toroidal Power Transformers
  18. HT stands for???
  19. Is it possible to hook up 6c33 plate in parallel
  20. Help eliminating hum
  21. Tube LTP CCS?
  22. Trancsendar Transformers
  23. Hafler/Keroes 6L6 UL
  24. hum
  25. Leads for ISCO PS?
  26. Negative Feedback Bogen CHB100
  27. TubeCad's Hybrid amp question
  28. Cathode bias resistor value for 6SN7?
  29. El84 2-Channel Mono Blocks
  30. Tube Design Books
  31. Interesting Williamson article..
  32. Locating Preamp Output Transformers
  33. Plate characteristics
  34. How do you finance A Great DIY Audio Amp?
  35. 808 Se
  36. Parafeed doubt
  37. A little research: old tube amps from the past
  38. RCA Victor stereo cabinet amp-newb question
  39. Transformer temperature?
  40. switch in SPICE
  41. Using a standard pentode-tetrode as output "space-charge tube" any ideas-experiences?
  42. Tube testers which is the best?
  43. finished !!!
  44. Transformer Leg Connection Question
  45. simple ccs under 5-10mA ?
  46. Curcio Sarah Phono stage: opinions?
  47. suggest a KT88 SE to build
  48. Transformer potting material??
  49. Jan E Veiset Mini EL84 pp
  50. Some questions on non common things
  51. basic question on plate curves
  52. Euro barrier strip palace
  53. ARC D90 needs new electrolytics
  54. 5763 Triode Strapped
  55. Recommend me some transformers for a PP EL84
  56. grid LED bias?
  57. Help on tube socket
  58. Taking CFB to the extremes...?
  59. Output section impedance change query
  60. Tube Suggestions
  61. 82 Popped
  62. OPT Project for EL84 SE
  63. Interesting eBay "listing" for tube amp
  64. How to chose the right choke
  65. Eco warrior thinking of jumping ship !!!
  66. HELP! Cathode bypass caps keep going...
  67. Best Operating point for a 2A3?
  68. Need help with preamp
  69. Best place to buy valves and components?
  70. Replacing cathode resistors of Aikido 1st stage (or other SRPP circuit) with chokes
  71. Circuit calculations
  72. Finally going to give my TVC/active preamp a real home...
  73. Suggestion on the input transformer for tube preamp
  74. sylvania & GE tubes
  75. SE Amplifier
  76. "fisss" on the 6C33C-pp
  77. Best price for tube output and power transformers ?
  78. What kind of output transformer?
  79. transformer
  80. 20W PP Choke PSU Question
  81. Regulated B+ supplies (using tubes)
  82. Confused by the numbers
  83. Feedback on Thorsten's legacy "universal dht" amp
  84. Are there techniques for triode-strapping on the fly?
  85. PROJECT begins: bass preamp
  86. The best bias point for KT88
  87. All tube CCS
  88. GU50 SE Amplifier class A , with 6SN7 Full construction details
  89. 50L6GT & 6L6GT sounds ??
  90. Especially for Tubelab: 845 amp 2.0
  91. Mini guitar amp from a Webcor tape amp, is it possible?
  92. Powerdrive
  93. Filament voltage and affect on Rp
  94. Tube pre-amplifier PSU
  95. Help with a cathode coupled pentode driver?
  96. Amp that has the biggest number of irons
  97. 12AX7A replacement
  98. Bogen CHB-10A Conversion, need help and advice
  99. Who said it was a good idea to try pentode!
  100. Input level
  101. 6V6GT
  102. 6AR6
  103. Any TCJ Push-Pull Calculator users?
  104. 211 Push pull operation points
  105. Edcor CXSE25-8-4K vs Hammond 1628SEA?
  106. Bass guitar preamp
  107. 50W KT88 PP w/ NFB on Bonavolta
  108. Looking for nuvistor pre-amp preamp schematic please. 6CW4?
  109. BELL 3030 Amplifier
  110. Diy Paradise!
  111. Another PP 6B4G
  112. How to get a buffer with overdrive from a 12AX7 ?
  113. Pulsating Glow
  114. Question on using glow tubes (v-regs)
  115. Eliminating the OPT: impedance matching
  116. KT88 and push-pull ultra-linear
  117. Positronic Tubes
  118. Paint steel chassis with the "aluminum paint" used on wire fence?
  119. Best bias for 6cg7
  120. Coupling caps test bed
  121. 829B Based Amp
  122. slight hum still haunting me
  123. CCS bias question
  124. Can't get solder to stick
  125. EL84 amp plus subwoofers? STUPID? OR NOT?
  126. Johan Potgieter
  127. parallel sections
  128. PL504/EL84 SE vs parafeed
  129. [help] Look for McIntosh MI-200 Circuit diagram
  130. My experience: the cheap punch set VS Greenlee punch
  131. 6V6GT SE schematic -need!!!
  132. What's the deal with Broskie's iPod buddy?
  133. a quiz about AC power
  134. Beard P100 Amplifier
  135. Quick identification question
  136. 6V6 guitar amp design attempt
  137. Some more RIAA questions
  138. what to do?
  139. A suspect EL34
  140. Best way of reducing heater voltage?
  141. Musical Instrument tube amp part suppliers
  142. tubelab
  143. My first power amp
  144. El34 SE pentode
  145. All Electron Tubes Manufacturers
  146. Mu stage driver
  147. two questions on Parafeed amplifier
  148. 6AU5GT
  149. Connection advice
  150. 'Tube'-ing a reel-to-reel player.
  151. EL34 make up by PCB
  152. wanted RIAA schematic
  153. What is the best software to create tube schematic
  154. Soft clipping acceptable?
  155. help for this amp
  156. Pentode PP amp for comments, please
  157. 966A rectifier
  158. 938 power triode
  159. PL36 PP Amplifier 22W Full construction details
  160. Quick question about the output of my amp
  161. Sansui Transformers from Tokyo Electronic Industrial Co. LTD.
  162. An "All American" tube Project
  163. Aikido and output transformer
  164. Why are Hammond SE OPTs dissed? Heavier than the competition...
  165. Driver stage headroom
  166. Help me before I deal hot electric death to myself (PS question)
  167. AVO CT-160
  168. Two cathode resistor bypass questions
  169. Home-Made Tube Guitar Heads
  170. What do you guys think?
  171. Antique Sound Lab Aq1003
  172. Audiomaster integrated (Valve) amp
  173. PP Amp using 811A
  174. Replacing ECC83 in Leak Stereo50 with ECC808
  175. 6N30/6H30 Datasheet
  176. Equivalents to 6888
  177. Input voltage
  178. Converting from integrated to pure amp
  179. Final schematic, I think?
  180. Toroidal core saturation
  181. Mystery SE OPT
  182. Is this a Spud Amp ?
  183. input cap V rating
  184. 6922 Heater - BIAS
  185. JJ 2A3-40 Watt?
  186. 12AU7 testing result: Are these tubes still good?
  187. "OTK" stamp on russian devices
  188. Where did nj7p.org go ?
  189. New to forum! Or: A few newbie questions
  190. Powersuply Le Bong?
  191. Fixed Bias: the ups and downs
  192. Bias Adjustment Question
  193. Multiple secondaries hook-up!!!
  194. Plate voltage related to sound?
  195. Array speakers & OTL
  196. First Post - Hum on 5687 Pre-amp
  197. DC powered amps
  198. Evaluating Unknown Power Transformers
  199. 0v grid bias with UL connection?
  200. LV Filament supply quandry
  201. which tube using NonDirect heat with best-class sound ?
  202. Surround Decoder - Subtract amplifier
  203. New To Forum - First Post
  204. Try to understand
  205. tube site
  206. OTL with 6S19P?
  207. What should B+ on 300B push-pull be?
  208. Regulated PSU with EL84
  209. How do I design minimum current for 35W PP AMP
  210. Buying bits'n'bobs...
  211. Can't make this address work.....
  212. schematics for 6C33 single ended OTL?
  213. Guitar amp input tube paralleled
  214. valve preamp
  215. trio W-38 problems
  216. Cheap Russian 2.2uF 400V PIO Capacitor
  217. Otl Se
  218. My 2A3 is being left behind
  219. SE for Bass?
  220. Wal-Mart power supplies
  221. Nice deal!
  222. Look for high-voltage regulator projects
  223. Typical plate Voltage for el34
  224. Arc Sp8
  225. New Phono amp - developing stage
  226. fender princeton 5D2.. DONE!
  227. CCS Bang for the buck output or driver?
  228. pentode driver sanity check - before i build
  229. 6av6 mini pre didn t work
  230. CCS in the output stage
  231. Looking for Schematic using KC3 Preamp ?
  232. If you are looking to try balanced AC power....
  233. The best Coupling cap (under $20)
  234. What makes a speaker "tube-friendly"?
  235. Using 6L6 for 300b driver
  236. Heater reference
  237. 6G15 output transformer selection
  238. Morgan Jones and cascodes
  239. 6A3/6B4G/6S4S(2A3/2S4S) project
  240. blues junior complaints and 6G15 question
  241. Question about changing a hybrid
  242. High-end Class A valve amplifiers will be illegal in USA?
  243. transformerless supply
  244. "Quasi" ultralinear experiment - questions...
  245. Help on a LUXMAN MQ 3600
  246. Changing from 6X4 to EZ81
  247. Design questions, driver stage for SE.
  248. S5 K-12G Question
  249. Ideas for a tube that heavily distorts ?
  250. CCS current sink in the output of my 2 tube 6080 amp.

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