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  1. simple ccs under 5-10mA ?
  2. Curcio Sarah Phono stage: opinions?
  3. suggest a KT88 SE to build
  4. Transformer potting material??
  5. Jan E Veiset Mini EL84 pp
  6. Some questions on non common things
  7. basic question on plate curves
  8. Euro barrier strip palace
  9. ARC D90 needs new electrolytics
  10. 5763 Triode Strapped
  11. Recommend me some transformers for a PP EL84
  12. grid LED bias?
  13. Help on tube socket
  14. Taking CFB to the extremes...?
  15. Output section impedance change query
  16. Tube Suggestions
  17. 82 Popped
  18. OPT Project for EL84 SE
  19. Interesting eBay "listing" for tube amp
  20. How to chose the right choke
  21. Eco warrior thinking of jumping ship !!!
  22. HELP! Cathode bypass caps keep going...
  23. Best Operating point for a 2A3?
  24. Need help with preamp
  25. Best place to buy valves and components?
  26. Replacing cathode resistors of Aikido 1st stage (or other SRPP circuit) with chokes
  27. Circuit calculations
  28. Finally going to give my TVC/active preamp a real home...
  29. Suggestion on the input transformer for tube preamp
  30. sylvania & GE tubes
  31. SE Amplifier
  32. "fisss" on the 6C33C-pp
  33. Best price for tube output and power transformers ?
  34. What kind of output transformer?
  35. transformer
  36. 20W PP Choke PSU Question
  37. Regulated B+ supplies (using tubes)
  38. Confused by the numbers
  39. Feedback on Thorsten's legacy "universal dht" amp
  40. Are there techniques for triode-strapping on the fly?
  41. PROJECT begins: bass preamp
  42. The best bias point for KT88
  43. All tube CCS
  44. GU50 SE Amplifier class A , with 6SN7 Full construction details
  45. 50L6GT & 6L6GT sounds ??
  46. Especially for Tubelab: 845 amp 2.0
  47. Mini guitar amp from a Webcor tape amp, is it possible?
  48. Powerdrive
  49. Filament voltage and affect on Rp
  50. Tube pre-amplifier PSU
  51. Help with a cathode coupled pentode driver?
  52. Amp that has the biggest number of irons
  53. 12AX7A replacement
  54. Bogen CHB-10A Conversion, need help and advice
  55. Who said it was a good idea to try pentode!
  56. Input level
  57. 6V6GT
  58. 6AR6
  59. Any TCJ Push-Pull Calculator users?
  60. 211 Push pull operation points
  61. Edcor CXSE25-8-4K vs Hammond 1628SEA?
  62. Bass guitar preamp
  63. 50W KT88 PP w/ NFB on Bonavolta
  64. Looking for nuvistor pre-amp preamp schematic please. 6CW4?
  65. BELL 3030 Amplifier
  66. Diy Paradise!
  67. Another PP 6B4G
  68. How to get a buffer with overdrive from a 12AX7 ?
  69. Pulsating Glow
  70. Question on using glow tubes (v-regs)
  71. Eliminating the OPT: impedance matching
  72. KT88 and push-pull ultra-linear
  73. Positronic Tubes
  74. Paint steel chassis with the "aluminum paint" used on wire fence?
  75. Best bias for 6cg7
  76. Coupling caps test bed
  77. 829B Based Amp
  78. slight hum still haunting me
  79. CCS bias question
  80. Can't get solder to stick
  81. EL84 amp plus subwoofers? STUPID? OR NOT?
  82. Johan Potgieter
  83. parallel sections
  84. PL504/EL84 SE vs parafeed
  85. [help] Look for McIntosh MI-200 Circuit diagram
  86. My experience: the cheap punch set VS Greenlee punch
  87. 6V6GT SE schematic -need!!!
  88. What's the deal with Broskie's iPod buddy?
  89. a quiz about AC power
  90. Beard P100 Amplifier
  91. Quick identification question
  92. 6V6 guitar amp design attempt
  93. Some more RIAA questions
  94. what to do?
  95. A suspect EL34
  96. Best way of reducing heater voltage?
  97. Musical Instrument tube amp part suppliers
  98. tubelab
  99. My first power amp
  100. El34 SE pentode
  101. All Electron Tubes Manufacturers
  102. Mu stage driver
  103. two questions on Parafeed amplifier
  104. 6AU5GT
  105. Connection advice
  106. 'Tube'-ing a reel-to-reel player.
  107. EL34 make up by PCB
  108. wanted RIAA schematic
  109. What is the best software to create tube schematic
  110. Soft clipping acceptable?
  111. help for this amp
  112. Pentode PP amp for comments, please
  113. 966A rectifier
  114. 938 power triode
  115. PL36 PP Amplifier 22W Full construction details
  116. Quick question about the output of my amp
  117. Sansui Transformers from Tokyo Electronic Industrial Co. LTD.
  118. An "All American" tube Project
  119. Aikido and output transformer
  120. Why are Hammond SE OPTs dissed? Heavier than the competition...
  121. Driver stage headroom
  122. Help me before I deal hot electric death to myself (PS question)
  123. AVO CT-160
  124. Two cathode resistor bypass questions
  125. Home-Made Tube Guitar Heads
  126. What do you guys think?
  127. Antique Sound Lab Aq1003
  128. Audiomaster integrated (Valve) amp
  129. PP Amp using 811A
  130. Replacing ECC83 in Leak Stereo50 with ECC808
  131. 6N30/6H30 Datasheet
  132. Equivalents to 6888
  133. Input voltage
  134. Converting from integrated to pure amp
  135. Final schematic, I think?
  136. Toroidal core saturation
  137. Mystery SE OPT
  138. Is this a Spud Amp ?
  139. input cap V rating
  140. 6922 Heater - BIAS
  141. JJ 2A3-40 Watt?
  142. 12AU7 testing result: Are these tubes still good?
  143. "OTK" stamp on russian devices
  144. Where did nj7p.org go ?
  145. New to forum! Or: A few newbie questions
  146. Powersuply Le Bong?
  147. Fixed Bias: the ups and downs
  148. Bias Adjustment Question
  149. Multiple secondaries hook-up!!!
  150. Plate voltage related to sound?
  151. Array speakers & OTL
  152. First Post - Hum on 5687 Pre-amp
  153. DC powered amps
  154. Evaluating Unknown Power Transformers
  155. 0v grid bias with UL connection?
  156. LV Filament supply quandry
  157. which tube using NonDirect heat with best-class sound ?
  158. Surround Decoder - Subtract amplifier
  159. New To Forum - First Post
  160. Try to understand
  161. tube site
  162. OTL with 6S19P?
  163. What should B+ on 300B push-pull be?
  164. Regulated PSU with EL84
  165. How do I design minimum current for 35W PP AMP
  166. Buying bits'n'bobs...
  167. Can't make this address work.....
  168. schematics for 6C33 single ended OTL?
  169. Guitar amp input tube paralleled
  170. valve preamp
  171. trio W-38 problems
  172. Cheap Russian 2.2uF 400V PIO Capacitor
  173. Otl Se
  174. My 2A3 is being left behind
  175. SE for Bass?
  176. Wal-Mart power supplies
  177. Nice deal!
  178. Look for high-voltage regulator projects
  179. Typical plate Voltage for el34
  180. Arc Sp8
  181. New Phono amp - developing stage
  182. fender princeton 5D2.. DONE!
  183. CCS Bang for the buck output or driver?
  184. pentode driver sanity check - before i build
  185. 6av6 mini pre didn t work
  186. CCS in the output stage
  187. Looking for Schematic using KC3 Preamp ?
  188. If you are looking to try balanced AC power....
  189. The best Coupling cap (under $20)
  190. What makes a speaker "tube-friendly"?
  191. Using 6L6 for 300b driver
  192. Heater reference
  193. 6G15 output transformer selection
  194. Morgan Jones and cascodes
  195. 6A3/6B4G/6S4S(2A3/2S4S) project
  196. blues junior complaints and 6G15 question
  197. Question about changing a hybrid
  198. High-end Class A valve amplifiers will be illegal in USA?
  199. transformerless supply
  200. "Quasi" ultralinear experiment - questions...
  201. Help on a LUXMAN MQ 3600
  202. Changing from 6X4 to EZ81
  203. Design questions, driver stage for SE.
  204. S5 K-12G Question
  205. Ideas for a tube that heavily distorts ?
  206. CCS current sink in the output of my 2 tube 6080 amp.
  207. What do you think about my design (based on IMPAMP)
  208. spearinol oil (in ASC caps)
  209. Larger chassis Hole Punches
  210. HV Diode Selection
  211. Need help form Germany
  212. Output Impedance
  213. How to connect Gridchoke?
  214. Microphone In Guitar amp Question
  215. Triode connecting a pentode?
  216. help on line pre-amp
  217. Edcor P-P Transformers
  218. chassis work in NYC area
  219. low THD guitar preamp
  220. Please help ID this rectifier:
  221. Power Supply Voltage For 5881/6L6 Amp
  222. Audio Electronic Supply AE-25DJH
  223. Trouble: Main transfo short?
  224. help with chassis layout
  225. "Preamp" with remote (long)
  226. 6BY5 High Voltage & High Current Choke Input Design P.S.
  227. x-10 d and x-can version 2/3 schematics
  228. Ugly, but versatile, new amp
  229. Capacitor advice needed for AVA PAS rebuild
  230. Mic pre transformers
  231. Gain of JE labs 300B?
  232. Troubleshooting.
  233. new to the forum pre-amp
  234. Preamp output delay
  235. Super Triode Connection Amplifier Build with 6BM8 and 6AK5
  236. 1st project hum or buzz
  237. Impedans of trafo for EL504 inSE
  238. Can I use 2C39-B to sound
  239. usage of line out trans.
  240. eagle with tubes ?
  241. Rlim in GZ33 datasheet?
  242. LT1085 Current Regulation for DHT filaments
  243. Help Fixing Bias
  244. MC phono amp
  245. 10M45 Mu-Stage Idea?
  246. Hickok 6000A with 6C33 & 13E1...
  247. Isco 494
  248. looking for spice model of 6HA5 or similar tubes
  249. 6SL7 to 6SN7 substitution in power amp?
  250. Adding Subwoofer output to Aikido preamp circuit

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