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  1. Plate Heater Dissipators
  2. preamp suitable for Dynaco st-70- OTHER than dynaco
  3. 'EL34 World' website for music amps
  4. Strange Russian(?) tube tester
  5. is this possible?
  6. Power transformer impedance
  7. Anybody did compared tube vs opamp for preamp ?
  8. The days of wine, roses & WE205D
  9. I need to ask...
  10. SPICE model for 6AK5 wanted!
  11. Differences with 6C33 Tube Types
  12. mugen hybride
  13. 1st Build - Kit or No Kit
  14. feedback problems
  15. Antique Electric Supply
  16. Highs
  17. ELK bass amp, mono, twin OPT's (?)
  18. Anyone have a "handle" on the Yaqin EL34 X 2 SE AMP?
  19. Suggestions on books
  20. Cathode stripping in low voltage tubes
  21. Current to overcome 6.5 uuF input capacitance?
  22. Help me to work on the damping factor of my 845 SET
  23. Y A A B - Yet Another Aikido Build
  24. Music Angel - Help wanted
  25. Calculating PS current for octal Aikido
  26. X-10d
  27. wirewound vs standard pots
  28. Anyone famaliar with the 485 tube?
  29. Ideas for ground plane/shielding?
  30. TESLA E88CC 6922 Tubes shorting out???????
  31. Will My Ipod Benefit Through a Tube Amp?
  32. PSU for testing circuits
  33. easier way to cut a square hole for xmfr
  34. Combine left & right for sub
  35. Noisy Squeal from SE amp
  36. Plate Choke calculation
  37. Audio Cable Deathmatch!
  38. tubelab PP?
  39. replacing op-amps with thermionic valves
  40. aikido heater
  41. Heathkit W 5M output transformers
  42. 6S19 Circlotron (OTL)
  43. Quality of Hammond 1600 series transformers and a question about loading.
  44. Kuei Yang Wang's 6sn7 linestage
  45. Laney TF-200 speaker farts out...
  46. E-mu 0202 + audiotester
  47. Where to buy HT toroids ?
  48. CJ 1.4: Power tubes are working but drivers not ! Help please.
  49. A 6SN7 direct coupled preamp & regulated supply for everyone's perusal.
  50. Slight hum from my new soldering station.
  51. phono stage
  52. 6sn7gtb problem
  53. The old man told me to get it all out of the basement
  54. The Look of Preamp Hum
  55. hookup wire options
  56. Tubelab Simple Se Trannie Shopping List-a Newbie Seeks Info
  57. Testing Amplifiers / Pad
  58. Volume Pot vs Stepped Attenuater
  59. Which tubes should I use?
  60. KT88s and grid current
  61. Gain stage with g2-feedback.
  62. K-502 Left Channel is out
  63. 12B4 help needed
  64. Power Trans question
  65. Noob amp wiring question...
  66. 5842 - russian ripoff
  67. Ruskie tube questions
  68. Opt placement
  69. 807 AB2 oscillation maybe?
  70. Amazon Does DIY Parts
  71. Shielded wire
  72. Guitar amp(s) for nephews
  73. Questions about Tube Amplifiers, Mikael's vs SimpleSE
  74. duncan psu simulation vox ac30cc
  75. Where low noise resistors matter
  76. funky power supply
  77. Choke loaded PSU versus VR tube regulated PSU?
  78. What would most of you do?
  79. IRFBC20 as source follower drivers for EL34s in AB1 PP
  80. first post, PS for 6em7 SET amp
  81. affordable transformers for KT-88's
  82. Need help with schematic
  83. How many people here use simulators, like LTspice, to help design tube stuff?
  84. newbie question regarding gain reduction
  85. Anybody did try this tube preamp ?
  86. Heathkit UA-2 output tx wiring question
  87. Question about the properties of "matched" tubes
  88. Using a passive direct box to kill ground loop noise?
  89. magnetized power transformer!
  90. Utc A-24
  91. lower cost options for spectrum analyser/ function generator?
  92. Need schematics for Val VP-110S Tube Amp
  93. So What now
  94. What other tubes can I use this OPT for?
  95. Super Junkbox 6S19P SET
  96. Grid stopper resistors
  97. 1959 Pilot AA-908 Amp into Guitar Amp
  98. Please evaluate my new EL34 Amp (waveform attached)
  99. Max voltages for EL84?
  100. Tubelab SE finished but need help.
  101. Oscilloscope Probes for Tube Work
  102. ECC88 vs 6SN7
  103. Good (tube) audio shows in the US?
  104. Please help me de-hum my new pre
  105. Help for newbie
  106. Simple ReAmp Mod? Help with Input Impedances, Please!
  107. Which of these two phono stages
  108. Crosley radio
  109. Small tube amp for headphones/computer speakers?(first post)
  110. Peculiar Fisher circuit
  111. Hum in Grounded Grid Pre
  112. Counterpoint SA-1000
  113. K-502 How to select a potentiometer
  114. What are these Christmas light things?
  115. a CHEAP integrated tube amp kit-anybody?
  116. My amp is acting like a transducer!?
  117. Transformer current question
  118. Brimar date codes?
  119. Home made SE 300B amp
  120. Parallel Push Pull 6AS7 or 6080
  121. random crackle ? (McMartin MA-20)
  122. KT88 filament failure - twice on same socket
  123. Solid State Regulator for tube amp
  124. Proposed screen-drive amp design... comments, please?
  125. SimpleSE PCB out of stock
  126. Any good explanation of Passive EQ Filters??
  127. terraplane 300B
  128. Sun Audio transformers
  129. Vacuum State RTP5.
  130. Schematics for Audio Innovations s1000 pre
  131. Tube amp for newbye
  132. 3C24SE amp...
  133. Meixing MingDa MC767-RD
  134. confusing transformer connections
  135. Have to mod K-502 to 4Ohms from 8
  136. SOund of 3B28 vs. 866A
  137. S3E Vacuum Tube
  138. Tube audio & "3 dimensionality"
  139. Darling monoblocks
  140. Testing 350B with B & K 747A
  141. Interstage transformer for balanced amp question
  142. Filament transformer questions
  143. dBm or dBV Audio Voltmeter
  144. VTL MB250 Signature monoblock Manual..
  145. Choke phase spliter
  146. Output transformer DC resistance..
  147. Chassis layout?
  148. Jolida schematic questions
  149. Tube Phono preamp kit?
  150. Does size really matter - SE Output
  151. 437A testing
  152. Tube Amp reverb noise, no vibrato intensity, unknown model. Help please
  153. What to do with a 5k output transfomer?
  154. adapter?
  155. Studer 52
  156. Safety ground question
  157. Old PS questions (EL34 replacement), and any Aus people know BWD?
  158. Darling 1626 amp
  159. Blackheart 5 watt
  160. What is this tube amp
  161. Extry, Extry, Blind Squirrel Finds Nut -sequence
  162. Why is distortion harmonic?
  163. Source for OPT
  164. EL34 to RL12P35 converting
  165. calculating total current draw
  166. Allied Radio (Knight) KA-55 schematic
  167. 6F6G Amplifier
  168. good book/article about using oscilloscopes?
  169. how to attach photos
  170. Is 450V the max of triode strapped 6l6gc
  171. Separate power supply - Umbilical Cord
  172. tube amp being weird -- any ideas
  173. need to discharge psu safely
  174. Jadis DA7/defy power amplifier mods
  175. 5.3v on 6SN7 filament?
  176. The Valve Wizard
  177. Mercury vapor rectifier tube question
  178. An Indiana Yankee in Putin's court.
  179. Switching over to a fixed bias
  180. Dynamic load line analysis using music and speaker load
  181. Capacitance in PSU
  182. preamp line ctt
  183. Genalex KT-88 reissue
  184. Combine EF80 with EL84
  185. 2A3 maximum plate voltage
  186. Amplifier Response Stability & All That.
  187. 100k linear pots, any idea?
  188. 6550, 6L6, or 6V6??
  189. grid-stopper resistor
  190. cathode bypass caps suggestions please for newbie
  191. Need Schematic-H&K B.A.T.T.
  192. 6EJ7 phono preamp?
  193. Impressions of the Ella, a pp EL34
  194. 30L15 / PCC805 - What can I use them for?
  195. Ultra Cheap transformers?
  196. Push-pull output impedance
  197. Tube amp cost
  198. 830b
  199. Leak Tl/12+
  200. Toroid Trafo as choke
  201. in search of a 3c33 dual triode.....
  202. Question about MiniBlok II Schematic
  203. Wavebourn Alligator amplifier
  204. Best Tube Testers?
  205. Rusky version EF86
  206. Melos SHA Gold Issue
  207. Tubelab Simple SE & Edcor
  208. Erratic tube activity
  209. Bogen Front End
  210. Maybe a Ruskie
  211. Another kind of hybrid
  212. Output impedance
  213. GU29 Amp. Schematic - Audioromy or similar
  214. Power On Indicator Light
  215. Newbie Aikido power supply question
  216. Se output transformer question
  217. Aikido hum
  218. Output transformer replacement... Worth it?
  219. Almarro A205A schematic
  220. Valves World question
  221. diodes before plate load
  222. power tubes..newbie question.
  223. Need Help 12BH7 Tube test.
  224. Tube Virgin
  225. Chassis layout help
  226. Maybe this is why 300b's dont last as long
  227. High-voltage bench power supply
  228. Ebay Tube amp buy disaster
  229. HK cheap SE OTPs...hmmm
  230. Modded ST70 Done
  231. bad buzz in an EL34 amp
  232. Another radio->Gtr amp mod question
  233. yaoin
  234. What is the safest method to plot characteristic curves without ruining the tubes
  235. Screen grid zeners; which?
  236. Another one I don't get
  237. 6BG6GA adapter instructions needed
  238. got an EC8020
  239. Identifying these Valvos.
  240. Converting tube guitar amp to Hi-Fi amp
  241. 21kW audio power amp?
  242. Quicksilver conversion
  243. DC PSU for both 6.3vdc and 5vdc from one 6.3vac transformer?
  244. Hammond Transformers in Montreal/Canada
  245. Can't find data for 8624
  246. Any advice on modifying a 2A3 SET amp to parafeed?
  247. Output impedance for non published PP configuration
  248. Grid stopper resistor required (KT66)?
  249. Ask Jan First OPTs
  250. For what are high mu triodes still useful?

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