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  1. Jadis Defy 7 : Manual
  2. Melos Ma-111b
  3. Old audio amp change
  4. Need 45 tubes
  5. Jadis Defy 7 : Manual ??
  6. Help for pre-amp and two single-ended finals
  7. Schematic needed:MFA Magus B
  8. Can I remove the input caps?
  9. 807 vs. 1624 tetrode ?
  10. how to make tube amp sound layback and mellow?
  11. Standard tube filament voltages and currents
  12. SE 20W. What tube?
  13. 5687 Linestage behaving odd...
  14. SMPS & tube pre-amp development board.
  15. Question about Melody KT88 amp
  16. Trafomatic Transformer
  17. Diode trick?
  18. Return of the vacuum tube sonic hologram generator
  19. 6V6 ->EL84 with 12AT7?
  20. design for 6336A OTL amp needed
  21. Aikido sound?
  22. Valve preamp
  23. GAS VR Tubes on B+
  24. Measuring Triode-Connected Pentode Curves
  25. 6L6, 12L6 not same tube!
  26. equivilent part numbers for 6K35HF
  27. Is this a start or run cap
  28. 6V6 PP under construction - pics
  29. Is this practical
  30. Idea for a 2 tube 6080 PP amp.
  31. pls tell where to buy core of transformer
  32. 300B amp PS optimization?
  33. Different value for .47uf coupling cap
  34. Old Olympic audio tube amp
  35. What Design to Use?
  36. KT90's anyone using'em ?
  37. What are they?
  38. Replace el34 with 6p3s
  39. Advice on 6V6 push pull Parallel
  40. squealing output transformer
  41. Melos Sha Gold
  42. Ways to Lower B+ in a Tube Rectifed PS
  43. Oregon Electronics D6 HV supplies: info needed please
  44. My version of the Vacuum State FVP5
  45. Diy Tube Phono Preamp
  46. double check the math
  47. Kitparts line stage
  48. Aikido tube heater floating
  49. Cathode and other types of feedback
  50. Tube God TH-1 Amp Regulator PCB ????
  51. step-up travel transformer for small preamp?
  52. Help a total tube amp newbie find a super simple design...
  53. heretical unity gain and ccs question
  54. What To Do
  55. Parallel Two Tubes
  56. 4 x PSE EL34
  57. EL34 CCS help
  58. Single Ended EL-34?
  59. Zener Bias
  60. Looking to build a tube amp.
  61. Tube humming question
  62. YAPPAP (Yet Another Push-Pull Amplifier Project)
  63. voltage output dac ==> TUBE
  64. Heater switch transistor
  65. Anything post power transformer that can cause it to hum / buzz?
  66. Aikido enclosure
  67. Power Transformers. Decisions
  68. First tube after IV
  69. Suggestions for Upgrade - VDV70/100
  70. New Hybrid Output Stage and booster for SE Amp
  71. Pro and cons high DCR filter choke
  72. do-it yourself leslie help
  73. John Broskie Aikido boards
  74. Making a muscular triode monoblock amplifier using P-P Eimac 450TH's
  75. Limited run PCBs - where's copyright???
  76. Hammond Amp Question
  77. Impedance matching
  78. 6111 output for CD player - opinions - some help?
  79. Sensitivity Limiter - Bogen Mx-30a
  80. Are my speakers efficient enough for tubes?
  81. Ping Sy: LED for Cathode Bias
  82. PSU capacitors/electrolytics
  83. 2A3 monoblock power supply
  84. 2 tube questions
  85. Just acquired HEATHKIT W4-AM-*picture*
  86. Passive line stage with tubes
  87. My favorite preamp
  88. Again, a preamp tube choice.
  89. Class Double A
  90. Two Stereo Tube Amps Into Monoblocks
  91. Espey AM/FM radio (pentagrid mixer, etc.)
  92. Need help for DIY EL34PP tube amp
  93. Higher value oil capacitors?
  94. Transconductance.
  95. 5763 tetrode on OTL ?
  96. cornford harlequin
  97. Need help: 5687 tubes and heat dissipation
  98. Tube preamp, tone control problem
  99. Use 5KV transformer as output transformer?
  100. Any EL84 alternatives?
  101. help on id of tubes
  102. Sovtek 6CA7-EH Producing smoke...
  103. building V4's and phono pre
  104. pre out on a integrated tube amp?
  105. 6SN7 some good some bad
  106. Phono pre amp - thanks SY
  107. 6c33c Tube preamp
  108. Tubes for Lumley ST40 power amplifier?
  109. Plate supply of Conrad Johnson PV-5 ?
  110. 6CD6GA in Enhanced Triode Mode for SE Amp
  111. Gridstoppers against RF, a necessity ?
  112. where do I.E.T. tubes come from
  113. Hum 300b Again
  114. Pse El34
  115. Mcintosh MR65 Tube Tuner
  116. Problem: Really Bright glowing 6CA7
  117. New member introduction & question
  118. The "PowerTotem"... a new way to SET?
  119. Please advice on KT88 Push Pull
  120. Odd's n Ends Revisited 6V6 SE amp
  121. Bottlehead Foreplay with chipamp
  122. Next Amp: 2a3PSE, 300B or KT88SE UL
  123. transformer list
  124. do 300b amps really sound any good?
  125. Capacitance For Mono Block Design
  126. pilot 264
  127. Octal equivalents for 6C45?
  128. lm3875 chipamp and tube pre loud buzzing
  129. PSE UL EL84 or 6V6 or EL34?
  130. Paraphase Splitter - why is it unpopular?
  131. Tubed IR spectrophotometer
  132. Very Basic 12AX7 Heater Question
  133. 6072A/12AY7 for an AKG C12 Microphone
  134. SET Suggestions
  135. Will ccs work with a DHT?
  136. tube patents
  137. Why use E182CC?
  138. tube
  139. understanding transformer codes
  140. Maida regulator, these results expected?
  141. Moto chassis pulled! pics!
  142. glasshouse kit amps. Any good?
  143. class B
  144. a.r.t. mpa tube pre amp
  145. Upper and lower triode in E88CC
  146. Booster Amps
  147. Help on Magnavox Paraphase (Gabevee?)
  148. New stock pre -amp tubes. Whats good?
  149. CV2492 / 6922 / E88CC
  150. HK Citation II Bias "issues"
  151. 3k vs. 5k transformer for PP 2A3
  152. Turret terminal board for line stage construction?
  153. Tube Cage Question
  154. Small and easy ESL amp
  155. SOVTEK 6550WE's any good?
  156. power tube for drivers
  157. 12B4A line driver/preamp
  158. Question about tube amp power supply caps
  159. Why separate AC heater supplies for driver and power tubes?
  160. Using one half of double triode
  161. huh ?
  162. holy cow, this sounds nice
  163. my SY CCS is only giving me 15mA
  164. Changing filter cap in HH Scott
  165. Why Class AB is bad
  166. Problem, please help !!!!!!
  167. Eico hf-30 reworking
  168. KT88 Bias Adjustment
  169. Interstage Distortion Measurements
  170. Survey: Aikido distortion
  171. Loftin-White Mod
  172. Music Angel EL34
  173. How much filtering required for DC heaters?
  174. What is the best input/driver for 2A3 SE?
  175. tube kits....
  176. 12AX7 heater wiring? Series / parallel?
  177. Shunt regulator
  178. Trying to choose a project...
  179. Old Projector amp conversion project
  180. Experiences with TJ Mesh Plate DHT's
  181. The lost Millman Seely chapters on audio amps
  182. Individual fixed bias and transf coupling
  183. Transmitter e-tour
  184. 7984
  185. Screen driven EL36 / 6CM5 /PL36 /25E5
  186. Clone Marantz 7C power supply
  187. On - board supply ?
  188. Name that EL34!
  189. How much plate voltage for 6N1P's?
  190. minimalist valve pre for follower
  191. Tube availability: what would you do?
  192. Looking for EL32 schematic
  193. oil bath cooling for tubes?
  194. Aikido Crackle Hiss Noise Solved
  195. Mini-p1 tweaks
  196. Refried Power Supply?
  197. The Edcor meets the 6AV5
  198. Anyone have curves for a 5HC7?
  199. Any common cathode (grounded grid) schematics?
  200. SIMPLE tube amplifier for...dummy guy...
  201. ground and earth
  202. Tube Cad Journal dead
  203. First amp
  204. 6922 direct coupled to 2A3
  205. Ok guys, get your daggers out.......
  206. How would you build a hybrid LM3xxx amp?
  207. Tade no tube amp!
  208. Sherwood 5500
  209. Most accurate way of matching triodes ?
  210. Help Identify This AMP!
  211. Old Tube Equipment Turnon
  212. Current Sourced Cathode Follower
  213. noob pre/pwer amp recording ?s
  214. Anyone heard of "in-rush" limiter resistor
  215. Will adding a 10H/125mA choke hurt bass performance
  216. Fixed bias vs. auto bias
  217. Not your average output transformer problem
  218. Balanced Audio Technology VK 3i preamplifier
  219. Musical Fidelity X10-D - changing tubes problem
  220. power transformers in series
  221. Loud sudden rumbling when turn on amp
  222. Help with tube amplification?
  223. UTC CG-431 Terminal Arrangement
  224. Mingda MC34B tweaks
  225. Symphonic Line Die Erleuchtung Reference
  226. 6SL7 Diffamp front end
  227. PT/OPT Orientation questions
  228. Effect of using 50k pot instead of 100k pot in tube preamp?
  229. Using the Crowhurst articles and Claus Byrith
  230. 12SX7
  231. Bridge SE amplifier
  232. Cad Sw
  233. Kit amps in the UK
  234. ECC82 based preamp
  235. How important is the coupling cap?
  236. pentode driven 300b set amp - any info?
  237. Circlotron Preamp with ECC88.
  238. Removing tone controls - Need a little help
  239. SE EL84 amplifier schematics
  240. Output coupling - Choke-coil method?
  241. 7788 tube mic preamp design
  242. Amperex 6085 Tube- Where to Buy?
  243. Can a 5687 drive four 813's in triode mode ?
  244. Schematics needed for Heathkit S33
  245. Tube Sparking
  246. Vacuum Tube Pre O.C.L.
  247. Why no single triode OTL power stages?
  248. 6922 .2 sections in parallel
  249. Pre-amp input remote control
  250. Any benefit to DC heater on parallel supply rectifier (GZ34)?

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