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  1. Anyone famaliar with the 485 tube?
  2. Ideas for ground plane/shielding?
  3. TESLA E88CC 6922 Tubes shorting out???????
  4. Will My Ipod Benefit Through a Tube Amp?
  5. PSU for testing circuits
  6. easier way to cut a square hole for xmfr
  7. Combine left & right for sub
  8. Noisy Squeal from SE amp
  9. Plate Choke calculation
  10. Audio Cable Deathmatch!
  11. tubelab PP?
  12. replacing op-amps with thermionic valves
  13. aikido heater
  14. Heathkit W 5M output transformers
  15. 6S19 Circlotron (OTL)
  16. Quality of Hammond 1600 series transformers and a question about loading.
  17. Kuei Yang Wang's 6sn7 linestage
  18. Laney TF-200 speaker farts out...
  19. E-mu 0202 + audiotester
  20. Where to buy HT toroids ?
  21. CJ 1.4: Power tubes are working but drivers not ! Help please.
  22. A 6SN7 direct coupled preamp & regulated supply for everyone's perusal.
  23. Slight hum from my new soldering station.
  24. phono stage
  25. 6sn7gtb problem
  26. The old man told me to get it all out of the basement
  27. The Look of Preamp Hum
  28. hookup wire options
  29. Tubelab Simple Se Trannie Shopping List-a Newbie Seeks Info
  30. Testing Amplifiers / Pad
  31. Volume Pot vs Stepped Attenuater
  32. Which tubes should I use?
  33. KT88s and grid current
  34. Gain stage with g2-feedback.
  35. K-502 Left Channel is out
  36. 12B4 help needed
  37. Power Trans question
  38. Noob amp wiring question...
  39. 5842 - russian ripoff
  40. Ruskie tube questions
  41. Opt placement
  42. 807 AB2 oscillation maybe?
  43. Amazon Does DIY Parts
  44. Shielded wire
  45. Guitar amp(s) for nephews
  46. Questions about Tube Amplifiers, Mikael's vs SimpleSE
  47. duncan psu simulation vox ac30cc
  48. Where low noise resistors matter
  49. funky power supply
  50. Choke loaded PSU versus VR tube regulated PSU?
  51. What would most of you do?
  52. IRFBC20 as source follower drivers for EL34s in AB1 PP
  53. first post, PS for 6em7 SET amp
  54. affordable transformers for KT-88's
  55. Need help with schematic
  56. How many people here use simulators, like LTspice, to help design tube stuff?
  57. newbie question regarding gain reduction
  58. Anybody did try this tube preamp ?
  59. Heathkit UA-2 output tx wiring question
  60. Question about the properties of "matched" tubes
  61. Using a passive direct box to kill ground loop noise?
  62. magnetized power transformer!
  63. Utc A-24
  64. lower cost options for spectrum analyser/ function generator?
  65. Need schematics for Val VP-110S Tube Amp
  66. So What now
  67. What other tubes can I use this OPT for?
  68. Super Junkbox 6S19P SET
  69. Grid stopper resistors
  70. 1959 Pilot AA-908 Amp into Guitar Amp
  71. Please evaluate my new EL34 Amp (waveform attached)
  72. Max voltages for EL84?
  73. Tubelab SE finished but need help.
  74. Oscilloscope Probes for Tube Work
  75. ECC88 vs 6SN7
  76. Good (tube) audio shows in the US?
  77. Please help me de-hum my new pre
  78. Help for newbie
  79. Simple ReAmp Mod? Help with Input Impedances, Please!
  80. Which of these two phono stages
  81. Crosley radio
  82. Small tube amp for headphones/computer speakers?(first post)
  83. Peculiar Fisher circuit
  84. Hum in Grounded Grid Pre
  85. Counterpoint SA-1000
  86. K-502 How to select a potentiometer
  87. What are these Christmas light things?
  88. a CHEAP integrated tube amp kit-anybody?
  89. My amp is acting like a transducer!?
  90. Transformer current question
  91. Brimar date codes?
  92. Home made SE 300B amp
  93. Parallel Push Pull 6AS7 or 6080
  94. random crackle ? (McMartin MA-20)
  95. KT88 filament failure - twice on same socket
  96. Solid State Regulator for tube amp
  97. Proposed screen-drive amp design... comments, please?
  98. SimpleSE PCB out of stock
  99. Any good explanation of Passive EQ Filters??
  100. terraplane 300B
  101. Sun Audio transformers
  102. Vacuum State RTP5.
  103. Schematics for Audio Innovations s1000 pre
  104. Tube amp for newbye
  105. 3C24SE amp...
  106. Meixing MingDa MC767-RD
  107. confusing transformer connections
  108. Have to mod K-502 to 4Ohms from 8
  109. SOund of 3B28 vs. 866A
  110. S3E Vacuum Tube
  111. Tube audio & "3 dimensionality"
  112. Darling monoblocks
  113. Testing 350B with B & K 747A
  114. Interstage transformer for balanced amp question
  115. Filament transformer questions
  116. dBm or dBV Audio Voltmeter
  117. VTL MB250 Signature monoblock Manual..
  118. Choke phase spliter
  119. Output transformer DC resistance..
  120. Chassis layout?
  121. Jolida schematic questions
  122. Tube Phono preamp kit?
  123. Does size really matter - SE Output
  124. 437A testing
  125. Tube Amp reverb noise, no vibrato intensity, unknown model. Help please
  126. What to do with a 5k output transfomer?
  127. adapter?
  128. Studer 52
  129. Safety ground question
  130. Old PS questions (EL34 replacement), and any Aus people know BWD?
  131. Darling 1626 amp
  132. Blackheart 5 watt
  133. What is this tube amp
  134. Extry, Extry, Blind Squirrel Finds Nut -sequence
  135. Why is distortion harmonic?
  136. Source for OPT
  137. EL34 to RL12P35 converting
  138. calculating total current draw
  139. Allied Radio (Knight) KA-55 schematic
  140. 6F6G Amplifier
  141. good book/article about using oscilloscopes?
  142. how to attach photos
  143. Is 450V the max of triode strapped 6l6gc
  144. Separate power supply - Umbilical Cord
  145. tube amp being weird -- any ideas
  146. need to discharge psu safely
  147. Jadis DA7/defy power amplifier mods
  148. 5.3v on 6SN7 filament?
  149. The Valve Wizard
  150. Mercury vapor rectifier tube question
  151. An Indiana Yankee in Putin's court.
  152. Switching over to a fixed bias
  153. Dynamic load line analysis using music and speaker load
  154. Capacitance in PSU
  155. preamp line ctt
  156. Genalex KT-88 reissue
  157. Combine EF80 with EL84
  158. 2A3 maximum plate voltage
  159. Amplifier Response Stability & All That.
  160. 100k linear pots, any idea?
  161. 6550, 6L6, or 6V6??
  162. grid-stopper resistor
  163. cathode bypass caps suggestions please for newbie
  164. Need Schematic-H&K B.A.T.T.
  165. 6EJ7 phono preamp?
  166. Impressions of the Ella, a pp EL34
  167. 30L15 / PCC805 - What can I use them for?
  168. Ultra Cheap transformers?
  169. Push-pull output impedance
  170. Tube amp cost
  171. 830b
  172. Leak Tl/12+
  173. Toroid Trafo as choke
  174. in search of a 3c33 dual triode.....
  175. Question about MiniBlok II Schematic
  176. Wavebourn Alligator amplifier
  177. Best Tube Testers?
  178. Rusky version EF86
  179. Melos SHA Gold Issue
  180. Tubelab Simple SE & Edcor
  181. Erratic tube activity
  182. Bogen Front End
  183. Maybe a Ruskie
  184. Another kind of hybrid
  185. Output impedance
  186. GU29 Amp. Schematic - Audioromy or similar
  187. Power On Indicator Light
  188. Newbie Aikido power supply question
  189. Se output transformer question
  190. Aikido hum
  191. Output transformer replacement... Worth it?
  192. Almarro A205A schematic
  193. Valves World question
  194. diodes before plate load
  195. power tubes..newbie question.
  196. Need Help 12BH7 Tube test.
  197. Tube Virgin
  198. Chassis layout help
  199. Maybe this is why 300b's dont last as long
  200. High-voltage bench power supply
  201. Ebay Tube amp buy disaster
  202. HK cheap SE OTPs...hmmm
  203. Modded ST70 Done
  204. bad buzz in an EL34 amp
  205. Another radio->Gtr amp mod question
  206. yaoin
  207. What is the safest method to plot characteristic curves without ruining the tubes
  208. Screen grid zeners; which?
  209. Another one I don't get
  210. 6BG6GA adapter instructions needed
  211. got an EC8020
  212. Identifying these Valvos.
  213. Converting tube guitar amp to Hi-Fi amp
  214. 21kW audio power amp?
  215. Quicksilver conversion
  216. DC PSU for both 6.3vdc and 5vdc from one 6.3vac transformer?
  217. Hammond Transformers in Montreal/Canada
  218. Can't find data for 8624
  219. Any advice on modifying a 2A3 SET amp to parafeed?
  220. Output impedance for non published PP configuration
  221. Grid stopper resistor required (KT66)?
  222. Ask Jan First OPTs
  223. For what are high mu triodes still useful?
  224. CCa "low noise"?
  225. Upgrading my Audio Research VT 130 SE Tube amp
  226. 100ma FSD voltmeter
  227. Conqueror schematic
  228. Bassman 135 OT
  229. Ground reference
  230. Overdriven Capacitor?
  231. Tone Controls?
  232. My first "from scratch" design, SE KT88..........
  233. OPTs of questionable utility
  234. 6336 as a Rectifier
  235. tube power supply
  236. Anyone read Russian?
  237. PSU - dropping resistors?
  238. pre-amp design, just curious about your thoughts here.
  239. Using isolation transformer as a PSU transformer???
  240. KT66 loosing its getter
  241. Mullard schematic?
  242. Mikale Abdellah SE KT88 B+ voltage?
  243. Layout software
  244. Does anyone have any schematics for a parafeed SET amp?
  245. music angel kt88
  246. CB radio
  247. The end of the 300b Dream?
  248. Voltage divider to reduce 6v dc to 2vdc
  249. oil injected rca cables?
  250. Modification.....

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