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  1. 12ax7 series is this correct??
  2. Yet Another Phono Stage Suggestions Thread
  3. 15% off sale at Soniccraft
  4. Bias Mode Switching Question (guitar Amp)
  5. Sizing Coupling Capacitors
  6. budget xformer for 829B pentode mode PP (class AB) ?
  7. preamp layout suggestions please
  8. Capacitors and hype!
  9. Transofrmer secondaries
  10. please help 407a
  11. OPT Grounding / Crosstalk
  12. SE With shared Rk in output
  13. Unsolved problem EL34/12AT7/5AR4
  14. Radford STA25 service UK
  15. My tube DIY Web page, translate into English
  16. suggestion about AIKIDO PRE
  17. jackson tube tester 648s manuals
  18. Hashimoto A-105 - 6S4A
  19. Looking For Counterpoint SA2000 Schematic
  20. Where do you put the standby switch
  21. Simple SE Schematic
  22. Operating point for 6GK5
  23. Audio Research St-70-c3
  24. Help identifying tube amp
  25. Ed8000
  26. power suply for Pre & Phono Use tube 6BM8
  27. ESLDD with "anti-triode"
  28. Schematics border patrol psu
  29. Tubelab PCBs for an 845 - a good idea?
  30. Bias supply idea
  31. dynaco st 70 c3
  32. KT88 and the 6550
  33. crate vintage club problem
  34. GM70/GM70 parafeed SET?
  35. Genalex repro KT88s
  36. Grid - Screen Alignment (X-Rays)
  37. tube matching
  38. DC heaters for 5687 in Aikido?
  39. Connection Jensen 4-pole
  40. Measuring Output Power
  41. Modelling stereo PSU in PSUD ...
  42. Speaker matching transformer.
  43. Sowter's Radford transformer
  44. Cathode bias 6LU8 UL/Triode
  45. Cathode bias 6LU8 UL/Triode
  46. Sourcing ASC 100uf X386S capacitor
  47. Looking for a linear triode for lowish B+ CF (6N6P?)
  48. need spice model 5814a
  49. 420T or 10E/33B ?????????
  50. Decca DMI-73 and EL-84 weirdness
  51. DIY JTM 45/100 Style Guitar Amp
  52. Pentode guys: important to decouple g2 supply between stages?
  53. Ccs
  54. The Friday Chuckle
  55. Need help deciding what to build
  56. Why does red plate spell early death?
  57. Odd transformer with 6X4 tube mounted on top.. smoking more than my uncle Frank
  58. fisher 400 tweaking issues
  59. GM70 an 813 strapped in SE-UL - circuits?
  60. need help on transformer secondaries connection
  61. Partridge audio output transformer value
  62. Low mu Preamp Triodes as Power Output Tubes
  63. 300B Transformer temperature
  64. Standby Switch Problems
  65. Worth repairing?
  66. Measuring current distortion
  67. GM70 sockets?
  68. high AC mains problem
  69. 250 V PSU help
  70. EL34 UL Curves
  71. datasheet for ge 5star and rca command 5814a?
  72. PS choke voltage/current quetsion
  73. push pull power amp design question (a lot of actually :) )
  74. Knight Amplifier Repair Question
  75. Grant G100AS circuit diagram?
  76. Hashimoto A-105 - summary so far
  77. Related Audio Worlds largest
  78. Why do valves go microphonic?
  79. Allen Wright Superreg manual
  80. Need help on resistor values for 5687 aikido kit
  81. Pioneer SM83 PP amps
  82. Techtube valves/tubes
  83. Datasheet for Russian 6p3s-e
  84. Continually Blowing Fuses
  85. I am done with AES -- a short rant.
  86. CineMag CMMI-15/15B
  87. In market for a Capacitor meter - for a tube project!
  88. What amp(s) would you buy under $1500
  89. Etf 2008
  90. All FET Aikido
  91. what 12au7 have different tone ??vintage and modern
  92. Can 3.5W 2A3 amp drive proAc 1SC?
  93. British seven pin sockets
  94. Pentodes, triode mode and grid screen dissipation 101
  95. Yakov Aronov amps
  96. Suitable tube pre-amp for Phase Linear 400?
  97. Goldpoint value?
  98. TubelabSE 300B power transformer ?
  99. 316A socket
  100. Hashimoto A105 - some results (ECC99)
  101. Some uses for old transformers
  102. Power Supply Question
  103. PY82 as rectifier
  104. Jackson 637 Tube tester Info needed
  105. pro-ject tube box
  106. Some dumb Questions on Heater CCS supply
  107. Aikido loses power?
  108. Quicksilver 8417/12FQ7 mods
  109. Calculations for an AIKIDO
  110. Music Angel Empty shells
  111. Enclosure for tube amp/speaker/reverb unit
  112. Need help troubleshooting preamp trouble
  113. Compactrons on the brain!
  114. XSE vs. GSXE Edcors
  115. output transformer
  116. How to simulate OPT in LTspice?
  117. 311-b
  118. PSU Design help !!!
  119. BDT Preamp build
  120. Russian tubes / capacitors purchasing
  121. Bored with Leak ST20 - ideas?
  122. KT-88 Music Angel problems with sound level
  123. Fusion Hybrid 300B
  124. I'm new here..... :(
  125. DIY/Buy/Kit
  126. Ralph from Atma-sphere will be giving a talk 09/16
  127. Modified USB DAC board, DDDAC with triode buffer
  128. LS50/GU50 Both Grid Drive
  129. Aikido filament question
  130. 6l6 Se.
  131. Feedback requested on 7591 PP design
  132. Blackburn Mullard/Philips video
  133. DIY sheilded B+ cable
  134. Experimenters Tube Sockets
  135. Used freebies precipitate questions
  136. Mains toroid as IT with DC balance?
  137. Tubes for Viva Solista 845 SET amp
  138. SE transformer for PP duty?
  139. Warning: new SS relay question / No flame I
  140. Tube Haunts Thread?
  141. Problem with Maida regulator
  142. 2 stage SE IT coupled amps..
  143. BUF420M Current Sink
  144. Direct from the mains?
  145. PSU capacitors: 30uF film ok instead of 100uF electrolytic?
  146. Annealed silicon core opt`s
  147. Designing a "cheap" highish-power PP amp...
  148. Improvements for the Mikael Abdellah KT88???
  149. DC supply on driver tube hums..
  150. Sun Audio SV-2A3
  151. Mullard Blackburn Tube Factory Tour Video
  152. SE amp: Please suggest a better operating point
  153. Paralleling Outputs or Bi-amp
  154. triple triode common cathode - only want to use 2 triodes
  155. Luxman 3045 Mono Block Tube Amp
  156. Eye tube for balancing multi amp system
  157. 12ax7 preamp.
  158. External PSU for Quad 22 pre-amplifier
  159. Keep Blowing Fuses
  160. learning tube rectified psu
  161. 17JB6... guitar amp?
  162. Series of Diode on HT Plate
  163. Quad II power amps......power output transformers!!!
  164. Mullard (factory) making tubes again
  165. CFB and A2 operation
  166. DIY triode
  167. Interesting symmetrical amp from 1955 magazine
  168. 6N23P, 6S19P anybody knows?
  169. Worlds smallest HiFi valve amp
  170. A DIY Interruptus Moment
  171. Noisy EL84 amp needs new front end
  172. Loosening up magnetic "stiction"
  173. The Return Of Blackburn Mullards?
  174. Can I use different value cap?
  175. tubelab SimpleSe power transformer connection question
  176. need output transformer for Fisher
  177. help for E182CC linestage/driver
  178. User Beware: A Report On Jj Tubes
  179. Depletion mode mosfets for 2mA CCS ?
  180. New tube stash question
  181. Stepped attenuator recommendation...
  182. Pros and cons of Cascoded front ends
  183. EF86 as a volume pot, line pre 2008
  184. RCA voltage regulator
  185. Input voltage attenuation
  186. Valve Buffer amp
  187. 6y6ga
  188. Filmosound L-1 6V6 Volume pot issue
  189. 3C24 in a SE output stage - output transformer impedance recommendation !!!
  190. Another 3f4 spice triode model: 5718 submini triode
  191. hp-8903B advice??
  192. need info on how to convert my bogen k10 for guitars use
  193. Differential Amplfiers - current sources under/over the triodes
  194. Impedance rate VS impedance stability
  195. Anyone running Mikael's SE KT88 in Pentode?
  196. what double triode is less microphonic ?
  197. Need advice on proper use of anode chokes.
  198. Grounding problem?
  199. Current regulation for filament of say a 300B
  200. diagram for OTP 6.6K valve KT88
  201. Dynaco Pas Transformer
  202. Regulated screen supply
  203. Shocked!!!
  204. set el84 tube amp
  205. tube preamp RIAA
  206. 4E27 as a substitution of 845
  207. LS 37 lite audio phono
  208. I want to build an amp!!!
  209. Multimeter test leads?
  210. Choosing proper g2 grid stoppers for SE UL..?
  211. audio note P1SE improvements
  212. Help for choke input regulated PSU
  213. 5687 perveance
  214. Where Can I Pick Up Neutral
  215. Hyperlinear line preamp
  216. What tube to use.
  217. Using mains transformer as output transformer
  218. AutoCAD of tube Packages?
  219. Has Anyone Tried This Before??
  220. More Tube Learning (for me) Cathode followers
  221. weird hum problem
  222. Simple technique for guitar amp channel switching?
  223. Weird oscillation
  224. Tube stash strategy and testing (long)
  225. Choke loaded LTP
  226. LM Ericsson 2C51 help!
  227. Antek TXs??Any use em???
  228. Speaker impedance questions (SE KT88)
  229. Spud-Assist: Totem-Pole Current-Mirror PP Hybrid
  230. my 6922 / E88CC preamp
  231. For the moderator
  232. 3 amps for HE speakers
  233. Pentode sounds great
  234. Shindo claret
  235. james 6123hs
  236. 6550 Amplifier
  237. ARC Ls 15 Schematic
  238. Super spud-amp?
  239. Basic Oscilloscope Usage Questions
  240. Grounded Cathode phase?
  241. Simple SE, how to wire CFB with outputs for different speaker impedances?
  242. PCB Board designer?
  243. Speaker for your low power tube amp?
  244. Tube collection Database.
  245. E288cc value?
  246. Hi End Tube Project
  247. parallel SE 2A3
  248. Want to build a tube/SS hybrid preamp for HT
  249. Do anyone has schematic for Counterpoint SA3000 ?
  250. Thermistor B+ or primary

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