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  1. Highs
  2. ELK bass amp, mono, twin OPT's (?)
  3. Anyone have a "handle" on the Yaqin EL34 X 2 SE AMP?
  4. Suggestions on books
  5. Cathode stripping in low voltage tubes
  6. Current to overcome 6.5 uuF input capacitance?
  7. Help me to work on the damping factor of my 845 SET
  8. Y A A B - Yet Another Aikido Build
  9. Music Angel - Help wanted
  10. Calculating PS current for octal Aikido
  11. X-10d
  12. wirewound vs standard pots
  13. Anyone famaliar with the 485 tube?
  14. Ideas for ground plane/shielding?
  15. TESLA E88CC 6922 Tubes shorting out???????
  16. Will My Ipod Benefit Through a Tube Amp?
  17. PSU for testing circuits
  18. easier way to cut a square hole for xmfr
  19. Combine left & right for sub
  20. Noisy Squeal from SE amp
  21. Plate Choke calculation
  22. Audio Cable Deathmatch!
  23. tubelab PP?
  24. replacing op-amps with thermionic valves
  25. aikido heater
  26. Heathkit W 5M output transformers
  27. 6S19 Circlotron (OTL)
  28. Quality of Hammond 1600 series transformers and a question about loading.
  29. Kuei Yang Wang's 6sn7 linestage
  30. Laney TF-200 speaker farts out...
  31. E-mu 0202 + audiotester
  32. Where to buy HT toroids ?
  33. CJ 1.4: Power tubes are working but drivers not ! Help please.
  34. A 6SN7 direct coupled preamp & regulated supply for everyone's perusal.
  35. Slight hum from my new soldering station.
  36. phono stage
  37. 6sn7gtb problem
  38. The old man told me to get it all out of the basement
  39. The Look of Preamp Hum
  40. hookup wire options
  41. Tubelab Simple Se Trannie Shopping List-a Newbie Seeks Info
  42. Testing Amplifiers / Pad
  43. Volume Pot vs Stepped Attenuater
  44. Which tubes should I use?
  45. KT88s and grid current
  46. Gain stage with g2-feedback.
  47. K-502 Left Channel is out
  48. 12B4 help needed
  49. Power Trans question
  50. Noob amp wiring question...
  51. 5842 - russian ripoff
  52. Ruskie tube questions
  53. Opt placement
  54. 807 AB2 oscillation maybe?
  55. Amazon Does DIY Parts
  56. Shielded wire
  57. Guitar amp(s) for nephews
  58. Questions about Tube Amplifiers, Mikael's vs SimpleSE
  59. duncan psu simulation vox ac30cc
  60. Where low noise resistors matter
  61. funky power supply
  62. Choke loaded PSU versus VR tube regulated PSU?
  63. What would most of you do?
  64. IRFBC20 as source follower drivers for EL34s in AB1 PP
  65. first post, PS for 6em7 SET amp
  66. affordable transformers for KT-88's
  67. Need help with schematic
  68. How many people here use simulators, like LTspice, to help design tube stuff?
  69. newbie question regarding gain reduction
  70. Anybody did try this tube preamp ?
  71. Heathkit UA-2 output tx wiring question
  72. Question about the properties of "matched" tubes
  73. Using a passive direct box to kill ground loop noise?
  74. magnetized power transformer!
  75. Utc A-24
  76. lower cost options for spectrum analyser/ function generator?
  77. Need schematics for Val VP-110S Tube Amp
  78. So What now
  79. What other tubes can I use this OPT for?
  80. Super Junkbox 6S19P SET
  81. Grid stopper resistors
  82. 1959 Pilot AA-908 Amp into Guitar Amp
  83. Please evaluate my new EL34 Amp (waveform attached)
  84. Max voltages for EL84?
  85. Tubelab SE finished but need help.
  86. Oscilloscope Probes for Tube Work
  87. ECC88 vs 6SN7
  88. Good (tube) audio shows in the US?
  89. Please help me de-hum my new pre
  90. Help for newbie
  91. Simple ReAmp Mod? Help with Input Impedances, Please!
  92. Which of these two phono stages
  93. Crosley radio
  94. Small tube amp for headphones/computer speakers?(first post)
  95. Peculiar Fisher circuit
  96. Hum in Grounded Grid Pre
  97. Counterpoint SA-1000
  98. K-502 How to select a potentiometer
  99. What are these Christmas light things?
  100. a CHEAP integrated tube amp kit-anybody?
  101. My amp is acting like a transducer!?
  102. Transformer current question
  103. Brimar date codes?
  104. Home made SE 300B amp
  105. Parallel Push Pull 6AS7 or 6080
  106. random crackle ? (McMartin MA-20)
  107. KT88 filament failure - twice on same socket
  108. Solid State Regulator for tube amp
  109. Proposed screen-drive amp design... comments, please?
  110. SimpleSE PCB out of stock
  111. Any good explanation of Passive EQ Filters??
  112. terraplane 300B
  113. Sun Audio transformers
  114. Vacuum State RTP5.
  115. Schematics for Audio Innovations s1000 pre
  116. Tube amp for newbye
  117. 3C24SE amp...
  118. Meixing MingDa MC767-RD
  119. confusing transformer connections
  120. Have to mod K-502 to 4Ohms from 8
  121. SOund of 3B28 vs. 866A
  122. S3E Vacuum Tube
  123. Tube audio & "3 dimensionality"
  124. Darling monoblocks
  125. Testing 350B with B & K 747A
  126. Interstage transformer for balanced amp question
  127. Filament transformer questions
  128. dBm or dBV Audio Voltmeter
  129. VTL MB250 Signature monoblock Manual..
  130. Choke phase spliter
  131. Output transformer DC resistance..
  132. Chassis layout?
  133. Jolida schematic questions
  134. Tube Phono preamp kit?
  135. Does size really matter - SE Output
  136. 437A testing
  137. Tube Amp reverb noise, no vibrato intensity, unknown model. Help please
  138. What to do with a 5k output transfomer?
  139. adapter?
  140. Studer 52
  141. Safety ground question
  142. Old PS questions (EL34 replacement), and any Aus people know BWD?
  143. Darling 1626 amp
  144. Blackheart 5 watt
  145. What is this tube amp
  146. Extry, Extry, Blind Squirrel Finds Nut -sequence
  147. Why is distortion harmonic?
  148. Source for OPT
  149. EL34 to RL12P35 converting
  150. calculating total current draw
  151. Allied Radio (Knight) KA-55 schematic
  152. 6F6G Amplifier
  153. good book/article about using oscilloscopes?
  154. how to attach photos
  155. Is 450V the max of triode strapped 6l6gc
  156. Separate power supply - Umbilical Cord
  157. tube amp being weird -- any ideas
  158. need to discharge psu safely
  159. Jadis DA7/defy power amplifier mods
  160. 5.3v on 6SN7 filament?
  161. The Valve Wizard
  162. Mercury vapor rectifier tube question
  163. An Indiana Yankee in Putin's court.
  164. Switching over to a fixed bias
  165. Dynamic load line analysis using music and speaker load
  166. Capacitance in PSU
  167. preamp line ctt
  168. Genalex KT-88 reissue
  169. Combine EF80 with EL84
  170. 2A3 maximum plate voltage
  171. Amplifier Response Stability & All That.
  172. 100k linear pots, any idea?
  173. 6550, 6L6, or 6V6??
  174. grid-stopper resistor
  175. cathode bypass caps suggestions please for newbie
  176. Need Schematic-H&K B.A.T.T.
  177. 6EJ7 phono preamp?
  178. Impressions of the Ella, a pp EL34
  179. 30L15 / PCC805 - What can I use them for?
  180. Ultra Cheap transformers?
  181. Push-pull output impedance
  182. Tube amp cost
  183. 830b
  184. Leak Tl/12+
  185. Toroid Trafo as choke
  186. in search of a 3c33 dual triode.....
  187. Question about MiniBlok II Schematic
  188. Wavebourn Alligator amplifier
  189. Best Tube Testers?
  190. Rusky version EF86
  191. Melos SHA Gold Issue
  192. Tubelab Simple SE & Edcor
  193. Erratic tube activity
  194. Bogen Front End
  195. Maybe a Ruskie
  196. Another kind of hybrid
  197. Output impedance
  198. GU29 Amp. Schematic - Audioromy or similar
  199. Power On Indicator Light
  200. Newbie Aikido power supply question
  201. Se output transformer question
  202. Aikido hum
  203. Output transformer replacement... Worth it?
  204. Almarro A205A schematic
  205. Valves World question
  206. diodes before plate load
  207. power tubes..newbie question.
  208. Need Help 12BH7 Tube test.
  209. Tube Virgin
  210. Chassis layout help
  211. Maybe this is why 300b's dont last as long
  212. High-voltage bench power supply
  213. Ebay Tube amp buy disaster
  214. HK cheap SE OTPs...hmmm
  215. Modded ST70 Done
  216. bad buzz in an EL34 amp
  217. Another radio->Gtr amp mod question
  218. yaoin
  219. What is the safest method to plot characteristic curves without ruining the tubes
  220. Screen grid zeners; which?
  221. Another one I don't get
  222. 6BG6GA adapter instructions needed
  223. got an EC8020
  224. Identifying these Valvos.
  225. Converting tube guitar amp to Hi-Fi amp
  226. 21kW audio power amp?
  227. Quicksilver conversion
  228. DC PSU for both 6.3vdc and 5vdc from one 6.3vac transformer?
  229. Hammond Transformers in Montreal/Canada
  230. Can't find data for 8624
  231. Any advice on modifying a 2A3 SET amp to parafeed?
  232. Output impedance for non published PP configuration
  233. Grid stopper resistor required (KT66)?
  234. Ask Jan First OPTs
  235. For what are high mu triodes still useful?
  236. CCa "low noise"?
  237. Upgrading my Audio Research VT 130 SE Tube amp
  238. 100ma FSD voltmeter
  239. Conqueror schematic
  240. Bassman 135 OT
  241. Ground reference
  242. Overdriven Capacitor?
  243. Tone Controls?
  244. My first "from scratch" design, SE KT88..........
  245. OPTs of questionable utility
  246. 6336 as a Rectifier
  247. tube power supply
  248. Anyone read Russian?
  249. PSU - dropping resistors?
  250. pre-amp design, just curious about your thoughts here.

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