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  1. Who sells a tube bass guitar amp kit??
  2. What is Simplest and Best 6L6 PP circuit? (PK)
  3. Good DIY Transformer Article (in Thai)
  4. Tube Swapping Question
  5. Toroid choke question
  6. Pentode CCS for parafeed SEP??
  7. subminiature tube suggestion
  8. MQ431 or Triode's DynaClone
  9. Conrad Johnson MV 45 schematic help
  10. signal wiring
  11. NEW B Need Help on Output Tx Problem
  12. center tap of heater winding
  13. Dynaco Mk IV question
  14. Does this tube amp has enough cap
  15. Acrosound TO-330 output transformers
  16. PP transformer for SE use
  17. Holiday Time!
  18. another beginers first amp thread!
  19. Western Electric 374A
  20. Musen to Jikken 03/1997
  21. Please help me make a schematic
  22. Tips for Hakko 936-12
  23. AC or DC for 300b Heaters
  24. Two irons for PSU
  25. Which DHT for Line stage?
  26. Pye Mozart 10 amplifier
  27. I need a simple schematic with 6J1P tubes
  28. First tube project. Need advice.
  29. Sound Valves M-40 assistance
  30. Has anyone been keeping up on the 'New Sensor' Controversy?
  31. quad esl output transformer.
  32. penta labs?
  33. New Build (Guitar Amp)
  34. transformer links
  35. EL84 auto split
  36. TOPWARD MODEL 605 operation manual & Schematic
  37. PREdator, Diff/CF linestage.
  38. Triode Electronics ??
  39. Full Bridge Amp?
  40. Tube literature on pentodes + transformers
  41. so, who made General Motor's "AUTRONIC EYE" tubes?
  42. 6DJ8 Linestage
  43. Annyone seen this problem?
  44. psu to heater on 4 el34 tubes???
  45. 6C33C-B, Reliability--A theory........
  46. Sun Audio preamps
  47. Anyone Use A Harmon/Kardon XT-2 Xformer For MC ?
  48. Carver Phono
  49. Help With 3 Channel Magnavox
  50. simulation software
  51. trickle charge psu?
  52. tube filter
  53. Holiday S-5 K-12G
  54. Couple of (newbie) tube questions...
  55. valve buffer gainclone
  56. Series wiring for heaters
  57. DIY tube cd player ?
  58. Tubes in mp3 players?
  59. Output Impedance?
  60. Hum Pot Question
  61. Which 6AQ5
  62. White flakes in rectifier tube??
  63. Bogen V20 PA Amp Schematic or ?
  64. 12a?7 in Eico HF-12
  65. Home Made Tubes?? has anyone made one, is it possible??
  66. replace 6N1P with 7308
  67. Plate choke on a line stage?
  68. Looking for datasheet
  69. 811A SET Monoblock physical layout suggestions
  70. Automated bias
  71. OTL or parafeed?
  72. tubes: Jcm 900 Slx 50watt
  73. Reversing mains toroids for HT
  74. 5881/6L6WGC and 12AT7WA replacement
  75. Direction for Mounting Transformers
  76. Ecf80
  77. feedback phasing
  78. Cryotubes? Cryogenically Frozen valves
  79. European Triode Festival 2005
  80. PSU capacitors
  81. Question on shared rectifier / signal tube filament windings
  82. Heathkit rebuild or...?
  83. Fisher 500B OPT/Feedback Questions
  84. Transformer selection question
  85. Grounded Grid Help
  86. EF86 penthode
  87. Any audio use for ER21A?
  88. Upgrading a sonic frontiers SFS-80
  89. Hum problem
  90. low frequency oscillation in 12B4 linestage
  91. Balanced volume control question
  92. Need Help for Power Supply for gg Preamp
  93. OTL 6c33c Ciufolli v8.2 low voltage rails
  94. Any way to extend OPT low-frequency response?
  95. RCA Phono Stage Redux
  96. About tube codes
  97. More Joules? Tube or Solid State PSU?
  98. EL34 schematic confusion
  99. 2-stage DHT: high-mu vs. interstage stepup
  100. Understanding this power supply
  101. 6V6G recommended schematic
  102. parallel CRC Filtering for B+
  103. 6v6. 6lg Gain Max Voltage
  104. More buffer questions
  105. Benchtop PS
  106. Chassis labels
  107. LM317 Regulator Problem
  108. Can I afford my SE amp ??
  109. 12B4 versus 6S4 for linestage
  110. Function Generator Probe?
  111. Otl Set?
  112. Tektronix TDS2000 series is a noisy scope
  113. vanderveen's 30W PP amp..
  114. Roberts/Akai M series amp problems
  115. What speaker to use with my tube clone
  116. What’s the best tube amplifier you can build?
  117. Cathode Follower Buffer Input Impedance
  118. EL84 as Preamp and as Crossover
  119. Wondering if Upcoming DIY design will work with Tubes? Cheap DIY Kits?
  120. EL 84 Single Ended Integrated
  121. "2 Stage" PP 7591 Amp
  122. Jolida 1301a with Mission M71 speakers?
  123. EL34 SE in 430V?
  124. EL 84 PPP/PP Class A Triode schematic
  125. Almarro A318A
  126. beckman berkley model 7360
  127. spice model for UL output transformer?
  128. Need help with my new amp
  129. Motor caps
  130. E88CC Mullard fake
  131. Anyone try sharp cutoff pentodes in a p-p output stage?
  132. 845 A2 Monoblock Project
  133. newb needs help on simple el84 amp PS
  134. Newbie's power supply woes
  135. Question about M7 Preamp
  136. Which amp to DIY as a first project?
  137. help for psu
  138. tube amp
  139. Will a 6BH6 work in an Aikido?
  140. Tubes and maximum ratings
  141. FireFly Amp Question
  142. help needed 1st tube diy
  143. Help for newbie building Toccata preamp
  144. Diy Orange guitar amp
  145. Hybrid amp -> tube for VAS stage
  146. I recently inherited a Heathkit HO-10 monitor o-scope...
  147. Laney PA amp help!
  148. Aikido tube choice
  149. Biasing pre-amp problem
  150. Help with identifying tube
  151. Off Topic Holiday Cheer
  152. Prototype preamp example
  153. PV10AL Transformer burned, help!
  154. EL34 Pentode in Push-Pull!
  155. Mcintosh MX110 repair
  156. Mains Transformer Question
  157. Loaded Question
  158. A BIG SCRATCH in my speakers? Help me please.
  159. New Production Tung Sol 6550 Tubes - Opinions
  160. Looking to build a tube integrated
  161. Which high power CCS for output stage?
  162. Using a mosfet to drop B+?
  163. drawings vs. schematics
  164. New TEK Scopes
  165. Transfos Anyone?
  166. Ripple guidelines for power supplies
  167. Mains transformer orientation
  168. New Nightmare (Guitar Amp)
  169. AMD tube integrated tube amp
  170. Using Choke in LCRC filter in power supply
  171. Need good current sink JFET or MOSFET?
  172. Setting Up a Circuit for Testing
  173. 6H6 question
  174. Kennedy Tube Audio Website Hijacked
  175. Yet another 12B4 line stage, or is the 12B4 better than the Grounded Grid.....
  176. transformer for Philips AG9015
  177. Real McTube Help
  178. Where are the 307A / VT225 amps?
  179. Anyone have a single el84 PPP OPT?
  180. Finished First Guitar Amp
  181. Using an old power transformer as a choke?
  182. Convergent Audio Technology SL-1 Scematics
  183. Poinz 6AQ5 Linestage
  184. microphone preamp
  185. Ticking noise, need help.
  186. Humm in my preamp...
  187. Enclosure suggestion/questions
  188. Calculating Tube Parameters +SPICE
  189. Loudspeaker for TUBE DIYer
  190. Tube ID 18R-AL1?
  191. 6l6gc Tube Drive
  192. Need a little help, TT and PC? Amp Kit?
  193. 12ax7 preamp
  194. 308/ecll800 Lorenz
  195. How did you do your Aikido?
  196. Thoughts on this 807 design
  197. Rectifier compatibilty
  198. Tube amp for biamped speaker
  199. 12ae6, 12fk6, 12fm6 diode specs
  200. Any software out there for taking the headache out of composite loadlines?
  201. Driving a single 6L6GC with 12AX7
  202. quick 50c5 to play around with
  203. A question about distortion in SE vs. PP designs:
  204. Need help on first tube amp rebuild -trans problems
  205. HAMMOND 125ESE Transformer WIRING
  206. preamp ps problem
  207. What does everybody really NEED???
  208. Marantz 7C still good today?
  209. Magnavox Chassis #196-55 Resistor Question
  210. 6BL7
  211. altec/peerless mystery amp
  212. 6gk8 triode pentode tube data
  213. Low Current Source
  214. Parallel Single-Ended Questions
  215. Tube power ratings
  216. 6DJ8 or 12xx7 for hybrid amp (Monarchy)
  217. What did I do wrong with LEGACY????
  218. seeking: tube for a SEP parallel feed like an EL84, but with a lower Ra
  219. Tube Tracer
  220. a question of tube behaviour
  221. Which tube? ECC82, 6SN7 or 6SL7
  222. oscillator
  223. The Covi Mark II Circlotron Amp
  224. HT transformers and polarity
  225. Hammond 156C - good Plate choke load??
  226. Music Man sixtyfive reverb head needs help!
  227. DIY pre-amp kit vote
  228. 6550 tubes
  229. Is the 6N6P a direct substitute for the 5687?
  230. SE amp using 1619 instead of 45 triode
  231. Akai M-7 Amp Schematics?
  232. asl 845 monos mods
  233. 3 stages... Two Power Supplies
  234. RCA 7094 tetrodes...
  235. KT88 push pull
  236. Tube amp fan?
  237. Ping gerd.....
  238. Need help finding Sovtel EL84M tubes
  239. Min. current draw for choke input?
  240. Passive RIAA with tubes
  241. Oscillation Mystery
  242. unison research P30K schem?
  243. Can I use a 5R4 GY in place of a 5AR4?
  244. Seeking for all Norman H. Crowhurst papers
  245. best way to elevate heater?
  246. Tube Load Line
  247. Homemade Vacuum Tube
  248. beardm70mk2-want less b+
  249. Need help with tube test data - fast
  250. Show me a schema 6Pi3C-E Push-pull

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