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  1. altec 1530 schematic
  2. Can this wire be used inside tube amp, H07V-K 1.5mm2?
  3. 6HB6/6HA& Spud?
  4. schematic diagram golden tube se40 for repair! help
  5. Reliable B+ PSU for pro preamp
  6. Help me find some info please
  7. Some tube radios
  8. Electro Harmonix 300b...shorting problems?
  9. Aikido linestage tube choice? (again)
  10. Teeco 1220??
  11. magic smoke pilot aa903
  12. PP bias balance pot
  13. Jolida JD 502A
  14. Cathode Bias for SimpleSE
  15. TRemPre malfunctioning
  16. HV benchtop power supply, help on opamp setup
  17. Transcendar Output Transformers ST70
  18. Unofficial Tube Market Survey
  19. testing 6DJ8s
  20. 6L6 AB PPP stage; does it make sense?
  21. 7868 tubes - replace with 6L6's?
  22. Vintage Amp...too much gain on CD
  23. ETF07 - Last possibility to join
  24. Tube 7403
  25. Melos triode and computer as source: BUZZ BUZZ BUZZ
  26. 6SN7 Cascoded CCS
  27. 7591 se tube amp?
  28. Sovtek 5881WXT/Quad II
  29. Adding more capacitors to an AMP
  30. Tube Characteristics
  31. Tube guilt
  32. KT88 or 6550
  33. Single ended OTL Transcendent
  34. K-12 kit, buzz in R channel
  35. my new tube line stage
  36. Audio Innovations Series 200 Phono Stage
  37. is it correct to calculate OTL?
  38. Late Halloween Cartoon
  39. on/off/on switch for bright/bold?
  40. Another CCS for tubes/valves: PCBs
  41. Customdaveus
  42. newbie questions on Bogen M330A repair
  43. crackling sound from one channel
  44. Cosmos Valve amplifier
  45. The Vacuum Tube Truth
  46. Inverted Triode SE OTL
  47. Negative feedback problems on ECL82 SE amp.
  48. Cheap tester?
  49. Anyone familiar with Hyuger HK-300BS kit from Hino Audio?
  50. Fisher SA 1000
  51. Hot Hot Hot
  52. Dynaco PAS-4 manual
  53. amplifier pp with 6p3s
  54. rusty chassis - what to do?
  55. Use 9 pin Aikido PCB kit or buy 8 pin ?
  56. Where to find data sheets?
  57. how to reverse signal for Common Cathode circuit
  58. Audio note M2 power supply resistor value
  59. Are 6DZ7 to Rare to be fun?
  60. 7868 substitutes
  61. Millet Hybrid - stacked buffers
  62. Repairing an old tube raido
  63. 3 way ultimate DIY phonostage match!
  64. wanted sv572-3
  65. General Aikido power supply question
  66. question about beefing up my monoblocks
  67. multichannel tube amp
  68. Who can explain this FFT graph to me
  69. Equivalent Noise Resistance
  70. Any Tube heads near Central coast NSW
  71. Question
  72. Screen Supply For PP Amp
  73. Datasheets: RC coupled amp VS. typical characteristics
  74. How to calculate Tube Preamp output impedance?
  75. What vintage tube books do you own?
  76. re design of a SE tube amplifier
  77. NRI 70 tube chart
  78. Multimeter
  79. fizzy and unstable
  80. Russian spud amp
  81. Silly Question about 807
  82. Help with dared MP-15, please!
  83. Do tube curves tell most of the story?
  84. Sovtek 6B4-G
  85. Ultimate Amplifier
  86. How quiet is dead quiet?
  87. Max B+ for triode-connected KT88
  88. Acrosound Archive
  89. Hail to Vintage Power Transformer & Choke?
  90. 2a3 parafeed
  91. Kimmel mu stage
  92. 4043c
  93. Impedance quandary
  94. 6L6G Amp recommendations
  95. Beefing up the power supply
  96. System distortion and Single Ended Tube Amps
  97. TB3/1000 is alive ! ("European 833A")
  98. Another tube newb
  99. Decoding another recycled power trans
  100. parafeed plate choke calculation
  101. New to tube building / design - Input requested!
  102. tube preamp with hum??emf
  103. Which tubes for this OPT?
  104. Ping salas re: LED baising
  105. Model train throttles?
  106. Microphonics that go away by themselves
  107. Variable cathode/plate resistors?
  108. 2 newbe questions
  109. 12B4A + LL1671 Linestage
  110. Distortion Analysis using an Oscilloscope
  111. Western Electric 'Harmonic Equalizer'
  112. Tube Newb Mc Intosh questions.
  113. AH NJoe TJOEB, valve compatibility issue
  114. Tubes: test as New? translation please
  115. new s5 tube amp kit
  116. Stereo BusBar OK?
  117. Fi Primer 807
  118. Calculating power output in the design stage?
  119. Overdriving the grid of a triode
  120. Newb Questions RE: HS caps & B+ Bias
  121. mercury vapor... i love it!!!
  122. Interstage Couple 300B 811-3 SE amp
  123. PCB Trace Clearance for High Voltage
  124. youtube - tubes!
  125. Noob to the Leak ST20
  126. Unconditional stability, phase shift and feedback
  127. An almost DIY 6DJ8 Linestage
  128. Is Acrosound T-330 really good?
  129. My 1st amp just came to life......pics
  130. Russian tube power amp repair
  131. Unity coupled circuit amplifier.
  132. info about lectron JH50
  133. G.E. 6CA7/EL34 - any good?
  134. SS Preamp and Tube Poweramp
  135. Values for OTL totem pole (cathode followers)
  136. 12au7 preamp will not work
  137. A Slew of Beginer Tube Questions
  138. calculating b+ voltage drop, decoupling?
  139. Another SET 2A3 in the world
  140. Help needed with Lectron JH 50 Amp
  141. Audio Note M2 regulator schematic
  142. 300b
  143. Three Simple Questions!!
  144. Edcor Transformers
  145. LTP with CCS - IM Distortion
  146. Strange 45 behaviour - help
  147. I have $250 to spend..what amp should I build?
  148. CCs plate load for mu follower 6sn7
  149. Best use of S-265 opt?
  150. what would be a reasonable price to pay for this tube ?
  151. Distortion Neutralizer for Odd Harmonics
  152. 6H13C preamp
  153. Testing tube for noise
  154. Optimal Umbilical Runs and Connections
  155. Little Dot MKIII, faulty driver tube, GE5654 alternative in the UK?
  156. Film capacitors for decoupling
  157. Non-simultaneous Pentode anode/G2 turn-on
  158. ArnoldC's IT coupled 300B amplifier
  159. Ultralinear pse
  160. Using 0D3's for DC regulation in Aikido
  161. ECC40 preamp
  162. Newbie PS questions
  163. Another cap replacement: uF changes..
  164. parallel EL84 transconductance amp
  165. Quad II Modified by Glenn Croft
  166. Wanted:Power transformers for Welborne DRD 300B amp
  167. Just finished testing my first 832A amp
  168. Russian Transformer cores
  169. Suitable diagram so I can use 4x Telsa RD 200B and 8x Tungsram RG 250/3000
  170. 15E and plate curves
  171. Replacing 6N1P' s with 6922s or 7308s
  172. the "cheapo"
  173. OPT Quality Factors?
  174. 50CA10 pushpull amp
  175. New Hammonds?
  176. Welborne Terraplane Amp-PS10 HV Regulated PS Problems
  177. Voltage Gain Confusion!!
  178. is this ok to build???
  179. PSUD2 help needed
  180. It's raining 10M45's!
  181. Grid Leak Bias on small signal pentodes.
  182. Equalizing + & - output voltage?
  183. Help with ECF80 spice model
  184. Would a Williamson sound better with a CCS tail in the driver?
  185. low ac voltage question
  186. Aikido/SMPS/SKA SS
  187. values of ground(?) coupling caps in Aikido
  188. Please explain grid stoppers..
  189. Psud2 Help
  190. Appropriate Iron for 211 Triode SE
  191. does anyone know the resistance of a hammond 300bx transformer
  192. Help with Aikido B+ Bias layout
  193. 12v 6BF7 preamp design tested
  194. power supply PLEASE HELP
  195. power supply PLEASE HELP
  196. power supply PLEASE HELP
  197. tube amp
  198. 6AU8A, and assorted questions
  199. PPP OPT clarification
  200. ECC83/12AX7 Tube test query
  201. 0D3 shunt regulator for single ended duty
  202. where to buy parts (transformers and chokes)
  203. beefy choke -- please help
  204. 5W EL84 drive EL84 SE
  205. Calculate minimum load current of choke?
  206. Best Sounding Output Tube
  207. Best internal wiring for power
  208. Preamp with DHT
  209. bogen m60 and webster pa
  210. 6p13p schematic
  211. Buzzing Choke - Any Ideas?
  212. Floating A2 Bias
  213. Any SE project for 91db speaker?
  214. Hammond Mains Transformer - Center Tap Split
  215. Fixed Bias v Ultrapath
  216. cathode follower asymmetric slew
  217. 6SN7 with transformer coupling
  218. 6AQ7 - why so cheap???
  219. Grommes 260
  220. heathkit aa-81 mono blocks
  221. feedbackless interstage p-p kt88 amp
  222. Using Horizontal Output Tubes - Power Supply
  223. 6e5c
  224. Mr Liang 845 Sound :(
  225. Test pentode grids without a tester
  226. Info required : GAMMA VALVE AMPS..
  227. 6SN7 plate voltage, current and lifespan
  228. Clarification of floating heater supply
  229. Changed a cap and lost some bass...?
  230. 6P9/6AG7 Triode Amplifier
  231. Chokes Designed for Choke Input PSU's
  232. Power trafo...
  233. Any value to modding a UL OPT to CFBK?
  234. Rogers Cadet III Advice & Opinions Needed
  235. DCG5/5000GS Valve
  236. Morgan Jones on Google Books
  237. CCS for 12B4 linestage
  238. 6j9p
  239. philips hf 303 amp
  240. DIY tube testing Curve Tracer
  241. Amplifier impedance and pot selection
  242. Tube rise time and slew rate
  243. What's your favourite sounding DIY/kit tube amp?
  244. How to convert a 220v Chinese amp to 110v for US use
  245. look for schematic of 12v preamp ???
  246. Bevois Valley and parallel push pull
  247. Amp Wiring Color Code
  248. Xindak 805 monos $4700/pr USD
  249. A new DHT power supply idea
  250. 852 tube

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