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  1. 6550a question for engineer?
  2. Yl1260
  3. Parts layout diagram for SE amp
  4. Da 42 Triode
  5. Bogen CHB100 Power Supply Question
  6. Testing of russian tubes on B&K 747B
  7. VR150 use
  8. First Valve DIY Project
  9. I'm having grid1 current in EL34
  10. anyone ever built a tube mixer similar to the RCA Living Stereo type??
  11. SEPTOR AT-amp (Anti-Triode) being built
  12. Sophia Electric el34 mods/upgrades
  13. Looking to build....
  14. Bias resistor for source follower driver
  15. PL 519 electrical characteristics
  16. Settings for testing 2C51/5670/396A on B&K Model 600 Dyna Quik
  17. My 6AS7G Fuse Link Checker
  18. Anyone ever had issues with One Electron?
  19. 35% off sale at RadioDaze
  20. phase splitter with Tr ?
  21. Chasing my Simple SE problem...
  22. Zenith stereo, EL84 SE. What to do...
  23. Free TVA-1 rev.3 schematic
  24. Bat Vk-60
  25. Trouble with amp 6V6
  26. 5-125 UL curves anyone?
  27. Mod it or scrap it?
  28. Bogen M330
  29. 1st Tube Amp - What to build?
  30. 6J5 weird phase inverter
  31. swinging CCS PP output stage
  32. Varying 2 tube amp characteristics: SE treble and richness
  33. Jadis Defy 7 Schematic
  34. microphonic sub-miniature tubes?
  35. Transformer distortion (THD)
  36. Options for replacing EF86? E180F?
  37. changing an integrated tube amp to a power amp
  38. Nice tube test supply
  39. Looking for 300B 2.5V heater vendor
  40. Cap to bypass bias battery
  41. 2A3 SE parafeed with PP-transformer
  42. Preamp Voltages
  43. TVA-1 "Export" circuit/schematic?
  44. 12ax7 series is this correct??
  45. Yet Another Phono Stage Suggestions Thread
  46. 15% off sale at Soniccraft
  47. Sizing Coupling Capacitors
  48. budget xformer for 829B pentode mode PP (class AB) ?
  49. preamp layout suggestions please
  50. Capacitors and hype!
  51. Transofrmer secondaries
  52. please help 407a
  53. OPT Grounding / Crosstalk
  54. SE With shared Rk in output
  55. Unsolved problem EL34/12AT7/5AR4
  56. Radford STA25 service UK
  57. My tube DIY Web page, translate into English
  58. suggestion about AIKIDO PRE
  59. jackson tube tester 648s manuals
  60. Hashimoto A-105 - 6S4A
  61. Looking For Counterpoint SA2000 Schematic
  62. Where do you put the standby switch
  63. Simple SE Schematic
  64. Operating point for 6GK5
  65. Audio Research St-70-c3
  66. Help identifying tube amp
  67. Ed8000
  68. power suply for Pre & Phono Use tube 6BM8
  69. ESLDD with "anti-triode"
  70. Schematics border patrol psu
  71. Tubelab PCBs for an 845 - a good idea?
  72. Bias supply idea
  73. dynaco st 70 c3
  74. KT88 and the 6550
  75. GM70/GM70 parafeed SET?
  76. Genalex repro KT88s
  77. Grid - Screen Alignment (X-Rays)
  78. tube matching
  79. DC heaters for 5687 in Aikido?
  80. Connection Jensen 4-pole
  81. Measuring Output Power
  82. Modelling stereo PSU in PSUD ...
  83. Speaker matching transformer.
  84. Sowter's Radford transformer
  85. Cathode bias 6LU8 UL/Triode
  86. Cathode bias 6LU8 UL/Triode
  87. Looking for a linear triode for lowish B+ CF (6N6P?)
  88. need spice model 5814a
  89. 420T or 10E/33B ?????????
  90. Decca DMI-73 and EL-84 weirdness
  91. Pentode guys: important to decouple g2 supply between stages?
  92. Ccs
  93. The Friday Chuckle
  94. Need help deciding what to build
  95. Why does red plate spell early death?
  96. Odd transformer with 6X4 tube mounted on top.. smoking more than my uncle Frank
  97. fisher 400 tweaking issues
  98. GM70 an 813 strapped in SE-UL - circuits?
  99. need help on transformer secondaries connection
  100. Partridge audio output transformer value
  101. Low mu Preamp Triodes as Power Output Tubes
  102. 300B Transformer temperature
  103. Standby Switch Problems
  104. Worth repairing?
  105. Measuring current distortion
  106. GM70 sockets?
  107. high AC mains problem
  108. 250 V PSU help
  109. EL34 UL Curves
  110. datasheet for ge 5star and rca command 5814a?
  111. PS choke voltage/current quetsion
  112. push pull power amp design question (a lot of actually :) )
  113. Knight Amplifier Repair Question
  114. Grant G100AS circuit diagram?
  115. Hashimoto A-105 - summary so far
  116. Related Audio Worlds largest
  117. Why do valves go microphonic?
  118. Allen Wright Superreg manual
  119. Need help on resistor values for 5687 aikido kit
  120. Pioneer SM83 PP amps
  121. Techtube valves/tubes
  122. Datasheet for Russian 6p3s-e
  123. Continually Blowing Fuses
  124. I am done with AES -- a short rant.
  125. CineMag CMMI-15/15B
  126. In market for a Capacitor meter - for a tube project!
  127. What amp(s) would you buy under $1500
  128. Etf 2008
  129. All FET Aikido
  130. what 12au7 have different tone ??vintage and modern
  131. Can 3.5W 2A3 amp drive proAc 1SC?
  132. British seven pin sockets
  133. Pentodes, triode mode and grid screen dissipation 101
  134. Yakov Aronov amps
  135. Suitable tube pre-amp for Phase Linear 400?
  136. Goldpoint value?
  137. TubelabSE 300B power transformer ?
  138. 316A socket
  139. Hashimoto A105 - some results (ECC99)
  140. Some uses for old transformers
  141. Power Supply Question
  142. PY82 as rectifier
  143. Jackson 637 Tube tester Info needed
  144. pro-ject tube box
  145. Some dumb Questions on Heater CCS supply
  146. Aikido loses power?
  147. Quicksilver 8417/12FQ7 mods
  148. Calculations for an AIKIDO
  149. Music Angel Empty shells
  150. Need help troubleshooting preamp trouble
  151. Compactrons on the brain!
  152. XSE vs. GSXE Edcors
  153. output transformer
  154. How to simulate OPT in LTspice?
  155. 311-b
  156. PSU Design help !!!
  157. BDT Preamp build
  158. Russian tubes / capacitors purchasing
  159. Bored with Leak ST20 - ideas?
  160. KT-88 Music Angel problems with sound level
  161. Fusion Hybrid 300B
  162. I'm new here..... :(
  163. DIY/Buy/Kit
  164. Ralph from Atma-sphere will be giving a talk 09/16
  165. Modified USB DAC board, DDDAC with triode buffer
  166. LS50/GU50 Both Grid Drive
  167. Aikido filament question
  168. 6l6 Se.
  169. Feedback requested on 7591 PP design
  170. Blackburn Mullard/Philips video
  171. DIY sheilded B+ cable
  172. Experimenters Tube Sockets
  173. Used freebies precipitate questions
  174. Mains toroid as IT with DC balance?
  175. Tubes for Viva Solista 845 SET amp
  176. SE transformer for PP duty?
  177. Warning: new SS relay question / No flame I
  178. Tube Haunts Thread?
  179. Problem with Maida regulator
  180. 2 stage SE IT coupled amps..
  181. BUF420M Current Sink
  182. Direct from the mains?
  183. Annealed silicon core opt`s
  184. Designing a "cheap" highish-power PP amp...
  185. Improvements for the Mikael Abdellah KT88???
  186. DC supply on driver tube hums..
  187. Sun Audio SV-2A3
  188. Mullard Blackburn Tube Factory Tour Video
  189. SE amp: Please suggest a better operating point
  190. Paralleling Outputs or Bi-amp
  191. triple triode common cathode - only want to use 2 triodes
  192. Luxman 3045 Mono Block Tube Amp
  193. Eye tube for balancing multi amp system
  194. 12ax7 preamp.
  195. External PSU for Quad 22 pre-amplifier
  196. Keep Blowing Fuses
  197. learning tube rectified psu
  198. Series of Diode on HT Plate
  199. Quad II power amps......power output transformers!!!
  200. Mullard (factory) making tubes again
  201. CFB and A2 operation
  202. DIY triode
  203. Interesting symmetrical amp from 1955 magazine
  204. 6N23P, 6S19P anybody knows?
  205. Worlds smallest HiFi valve amp
  206. A DIY Interruptus Moment
  207. Noisy EL84 amp needs new front end
  208. Loosening up magnetic "stiction"
  209. The Return Of Blackburn Mullards?
  210. Can I use different value cap?
  211. tubelab SimpleSe power transformer connection question
  212. need output transformer for Fisher
  213. help for E182CC linestage/driver
  214. User Beware: A Report On Jj Tubes
  215. Depletion mode mosfets for 2mA CCS ?
  216. New tube stash question
  217. Stepped attenuator recommendation...
  218. Pros and cons of Cascoded front ends
  219. EF86 as a volume pot, line pre 2008
  220. RCA voltage regulator
  221. Input voltage attenuation
  222. Valve Buffer amp
  223. 6y6ga
  224. Filmosound L-1 6V6 Volume pot issue
  225. 3C24 in a SE output stage - output transformer impedance recommendation !!!
  226. Another 3f4 spice triode model: 5718 submini triode
  227. hp-8903B advice??
  228. need info on how to convert my bogen k10 for guitars use
  229. Differential Amplfiers - current sources under/over the triodes
  230. Impedance rate VS impedance stability
  231. Anyone running Mikael's SE KT88 in Pentode?
  232. what double triode is less microphonic ?
  233. Need advice on proper use of anode chokes.
  234. Grounding problem?
  235. Current regulation for filament of say a 300B
  236. diagram for OTP 6.6K valve KT88
  237. Dynaco Pas Transformer
  238. Regulated screen supply
  239. Shocked!!!
  240. set el84 tube amp
  241. tube preamp RIAA
  242. 4E27 as a substitution of 845
  243. LS 37 lite audio phono
  244. I want to build an amp!!!
  245. Multimeter test leads?
  246. Choosing proper g2 grid stoppers for SE UL..?
  247. audio note P1SE improvements
  248. Help for choke input regulated PSU
  249. 5687 perveance
  250. Where Can I Pick Up Neutral

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