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  1. Zenith stereo, EL84 SE. What to do...
  2. Free TVA-1 rev.3 schematic
  3. Bat Vk-60
  4. Trouble with amp 6V6
  5. 5-125 UL curves anyone?
  6. Mod it or scrap it?
  7. Bogen M330
  8. 1st Tube Amp - What to build?
  9. 6J5 weird phase inverter
  10. swinging CCS PP output stage
  11. Varying 2 tube amp characteristics: SE treble and richness
  12. Jadis Defy 7 Schematic
  13. microphonic sub-miniature tubes?
  14. Transformer distortion (THD)
  15. Options for replacing EF86? E180F?
  16. changing an integrated tube amp to a power amp
  17. Nice tube test supply
  18. Looking for 300B 2.5V heater vendor
  19. Cap to bypass bias battery
  20. 2A3 SE parafeed with PP-transformer
  21. Preamp Voltages
  22. TVA-1 "Export" circuit/schematic?
  23. 12ax7 series is this correct??
  24. Yet Another Phono Stage Suggestions Thread
  25. 15% off sale at Soniccraft
  26. Bias Mode Switching Question (guitar Amp)
  27. Sizing Coupling Capacitors
  28. budget xformer for 829B pentode mode PP (class AB) ?
  29. preamp layout suggestions please
  30. Capacitors and hype!
  31. Transofrmer secondaries
  32. please help 407a
  33. OPT Grounding / Crosstalk
  34. SE With shared Rk in output
  35. Unsolved problem EL34/12AT7/5AR4
  36. Radford STA25 service UK
  37. My tube DIY Web page, translate into English
  38. suggestion about AIKIDO PRE
  39. jackson tube tester 648s manuals
  40. Hashimoto A-105 - 6S4A
  41. Looking For Counterpoint SA2000 Schematic
  42. Where do you put the standby switch
  43. Simple SE Schematic
  44. Operating point for 6GK5
  45. Audio Research St-70-c3
  46. Help identifying tube amp
  47. Ed8000
  48. power suply for Pre & Phono Use tube 6BM8
  49. ESLDD with "anti-triode"
  50. Schematics border patrol psu
  51. Tubelab PCBs for an 845 - a good idea?
  52. Bias supply idea
  53. dynaco st 70 c3
  54. KT88 and the 6550
  55. crate vintage club problem
  56. GM70/GM70 parafeed SET?
  57. Genalex repro KT88s
  58. Grid - Screen Alignment (X-Rays)
  59. tube matching
  60. DC heaters for 5687 in Aikido?
  61. Connection Jensen 4-pole
  62. Measuring Output Power
  63. Modelling stereo PSU in PSUD ...
  64. Speaker matching transformer.
  65. Sowter's Radford transformer
  66. Cathode bias 6LU8 UL/Triode
  67. Cathode bias 6LU8 UL/Triode
  68. Sourcing ASC 100uf X386S capacitor
  69. Looking for a linear triode for lowish B+ CF (6N6P?)
  70. need spice model 5814a
  71. 420T or 10E/33B ?????????
  72. Decca DMI-73 and EL-84 weirdness
  73. DIY JTM 45/100 Style Guitar Amp
  74. Pentode guys: important to decouple g2 supply between stages?
  75. Ccs
  76. The Friday Chuckle
  77. Need help deciding what to build
  78. Why does red plate spell early death?
  79. Odd transformer with 6X4 tube mounted on top.. smoking more than my uncle Frank
  80. fisher 400 tweaking issues
  81. GM70 an 813 strapped in SE-UL - circuits?
  82. need help on transformer secondaries connection
  83. Partridge audio output transformer value
  84. Low mu Preamp Triodes as Power Output Tubes
  85. 300B Transformer temperature
  86. Standby Switch Problems
  87. Worth repairing?
  88. Measuring current distortion
  89. GM70 sockets?
  90. high AC mains problem
  91. 250 V PSU help
  92. EL34 UL Curves
  93. datasheet for ge 5star and rca command 5814a?
  94. PS choke voltage/current quetsion
  95. push pull power amp design question (a lot of actually :) )
  96. Knight Amplifier Repair Question
  97. Grant G100AS circuit diagram?
  98. Hashimoto A-105 - summary so far
  99. Related Audio Worlds largest
  100. Why do valves go microphonic?
  101. Allen Wright Superreg manual
  102. Need help on resistor values for 5687 aikido kit
  103. Pioneer SM83 PP amps
  104. Techtube valves/tubes
  105. Datasheet for Russian 6p3s-e
  106. Continually Blowing Fuses
  107. I am done with AES -- a short rant.
  108. CineMag CMMI-15/15B
  109. In market for a Capacitor meter - for a tube project!
  110. What amp(s) would you buy under $1500
  111. Etf 2008
  112. All FET Aikido
  113. what 12au7 have different tone ??vintage and modern
  114. Can 3.5W 2A3 amp drive proAc 1SC?
  115. British seven pin sockets
  116. Pentodes, triode mode and grid screen dissipation 101
  117. Yakov Aronov amps
  118. Suitable tube pre-amp for Phase Linear 400?
  119. Goldpoint value?
  120. TubelabSE 300B power transformer ?
  121. 316A socket
  122. Hashimoto A105 - some results (ECC99)
  123. Some uses for old transformers
  124. Power Supply Question
  125. PY82 as rectifier
  126. Jackson 637 Tube tester Info needed
  127. pro-ject tube box
  128. Some dumb Questions on Heater CCS supply
  129. Aikido loses power?
  130. Quicksilver 8417/12FQ7 mods
  131. Calculations for an AIKIDO
  132. Music Angel Empty shells
  133. Enclosure for tube amp/speaker/reverb unit
  134. Need help troubleshooting preamp trouble
  135. Compactrons on the brain!
  136. XSE vs. GSXE Edcors
  137. output transformer
  138. How to simulate OPT in LTspice?
  139. 311-b
  140. PSU Design help !!!
  141. BDT Preamp build
  142. Russian tubes / capacitors purchasing
  143. Bored with Leak ST20 - ideas?
  144. KT-88 Music Angel problems with sound level
  145. Fusion Hybrid 300B
  146. I'm new here..... :(
  147. DIY/Buy/Kit
  148. Ralph from Atma-sphere will be giving a talk 09/16
  149. Modified USB DAC board, DDDAC with triode buffer
  150. LS50/GU50 Both Grid Drive
  151. Aikido filament question
  152. 6l6 Se.
  153. Feedback requested on 7591 PP design
  154. Blackburn Mullard/Philips video
  155. DIY sheilded B+ cable
  156. Experimenters Tube Sockets
  157. Used freebies precipitate questions
  158. Mains toroid as IT with DC balance?
  159. Tubes for Viva Solista 845 SET amp
  160. SE transformer for PP duty?
  161. Warning: new SS relay question / No flame I
  162. Tube Haunts Thread?
  163. Problem with Maida regulator
  164. 2 stage SE IT coupled amps..
  165. BUF420M Current Sink
  166. Direct from the mains?
  167. PSU capacitors: 30uF film ok instead of 100uF electrolytic?
  168. Annealed silicon core opt`s
  169. Designing a "cheap" highish-power PP amp...
  170. Improvements for the Mikael Abdellah KT88???
  171. DC supply on driver tube hums..
  172. Sun Audio SV-2A3
  173. Mullard Blackburn Tube Factory Tour Video
  174. SE amp: Please suggest a better operating point
  175. Paralleling Outputs or Bi-amp
  176. triple triode common cathode - only want to use 2 triodes
  177. Luxman 3045 Mono Block Tube Amp
  178. Eye tube for balancing multi amp system
  179. 12ax7 preamp.
  180. External PSU for Quad 22 pre-amplifier
  181. Keep Blowing Fuses
  182. learning tube rectified psu
  183. 17JB6... guitar amp?
  184. Series of Diode on HT Plate
  185. Quad II power amps......power output transformers!!!
  186. Mullard (factory) making tubes again
  187. CFB and A2 operation
  188. DIY triode
  189. Interesting symmetrical amp from 1955 magazine
  190. 6N23P, 6S19P anybody knows?
  191. Worlds smallest HiFi valve amp
  192. A DIY Interruptus Moment
  193. Noisy EL84 amp needs new front end
  194. Loosening up magnetic "stiction"
  195. The Return Of Blackburn Mullards?
  196. Can I use different value cap?
  197. tubelab SimpleSe power transformer connection question
  198. need output transformer for Fisher
  199. help for E182CC linestage/driver
  200. User Beware: A Report On Jj Tubes
  201. Depletion mode mosfets for 2mA CCS ?
  202. New tube stash question
  203. Stepped attenuator recommendation...
  204. Pros and cons of Cascoded front ends
  205. EF86 as a volume pot, line pre 2008
  206. RCA voltage regulator
  207. Input voltage attenuation
  208. Valve Buffer amp
  209. 6y6ga
  210. Filmosound L-1 6V6 Volume pot issue
  211. 3C24 in a SE output stage - output transformer impedance recommendation !!!
  212. Another 3f4 spice triode model: 5718 submini triode
  213. hp-8903B advice??
  214. need info on how to convert my bogen k10 for guitars use
  215. Differential Amplfiers - current sources under/over the triodes
  216. Impedance rate VS impedance stability
  217. Anyone running Mikael's SE KT88 in Pentode?
  218. what double triode is less microphonic ?
  219. Need advice on proper use of anode chokes.
  220. Grounding problem?
  221. Current regulation for filament of say a 300B
  222. diagram for OTP 6.6K valve KT88
  223. Dynaco Pas Transformer
  224. Regulated screen supply
  225. Shocked!!!
  226. set el84 tube amp
  227. tube preamp RIAA
  228. 4E27 as a substitution of 845
  229. LS 37 lite audio phono
  230. I want to build an amp!!!
  231. Multimeter test leads?
  232. Choosing proper g2 grid stoppers for SE UL..?
  233. audio note P1SE improvements
  234. Help for choke input regulated PSU
  235. 5687 perveance
  236. Where Can I Pick Up Neutral
  237. Hyperlinear line preamp
  238. What tube to use.
  239. Using mains transformer as output transformer
  240. AutoCAD of tube Packages?
  241. Has Anyone Tried This Before??
  242. More Tube Learning (for me) Cathode followers
  243. weird hum problem
  244. Simple technique for guitar amp channel switching?
  245. Weird oscillation
  246. Tube stash strategy and testing (long)
  247. Choke loaded LTP
  248. LM Ericsson 2C51 help!
  249. Antek TXs??Any use em???
  250. Speaker impedance questions (SE KT88)

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