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  1. Ed8000
  2. power suply for Pre & Phono Use tube 6BM8
  3. ESLDD with "anti-triode"
  4. Schematics border patrol psu
  5. Tubelab PCBs for an 845 - a good idea?
  6. Bias supply idea
  7. dynaco st 70 c3
  8. KT88 and the 6550
  9. crate vintage club problem
  10. GM70/GM70 parafeed SET?
  11. Genalex repro KT88s
  12. Grid - Screen Alignment (X-Rays)
  13. tube matching
  14. DC heaters for 5687 in Aikido?
  15. Connection Jensen 4-pole
  16. Measuring Output Power
  17. Modelling stereo PSU in PSUD ...
  18. Speaker matching transformer.
  19. Sowter's Radford transformer
  20. Cathode bias 6LU8 UL/Triode
  21. Cathode bias 6LU8 UL/Triode
  22. Sourcing ASC 100uf X386S capacitor
  23. Looking for a linear triode for lowish B+ CF (6N6P?)
  24. need spice model 5814a
  25. 420T or 10E/33B ?????????
  26. Decca DMI-73 and EL-84 weirdness
  27. DIY JTM 45/100 Style Guitar Amp
  28. Pentode guys: important to decouple g2 supply between stages?
  29. Ccs
  30. The Friday Chuckle
  31. Need help deciding what to build
  32. Why does red plate spell early death?
  33. Odd transformer with 6X4 tube mounted on top.. smoking more than my uncle Frank
  34. fisher 400 tweaking issues
  35. GM70 an 813 strapped in SE-UL - circuits?
  36. need help on transformer secondaries connection
  37. Partridge audio output transformer value
  38. Low mu Preamp Triodes as Power Output Tubes
  39. 300B Transformer temperature
  40. Standby Switch Problems
  41. Worth repairing?
  42. Measuring current distortion
  43. GM70 sockets?
  44. high AC mains problem
  45. 250 V PSU help
  46. EL34 UL Curves
  47. datasheet for ge 5star and rca command 5814a?
  48. PS choke voltage/current quetsion
  49. push pull power amp design question (a lot of actually :) )
  50. Knight Amplifier Repair Question
  51. Grant G100AS circuit diagram?
  52. Hashimoto A-105 - summary so far
  53. Related Audio Worlds largest
  54. Why do valves go microphonic?
  55. Allen Wright Superreg manual
  56. Need help on resistor values for 5687 aikido kit
  57. Pioneer SM83 PP amps
  58. Techtube valves/tubes
  59. Datasheet for Russian 6p3s-e
  60. Continually Blowing Fuses
  61. I am done with AES -- a short rant.
  62. CineMag CMMI-15/15B
  63. In market for a Capacitor meter - for a tube project!
  64. What amp(s) would you buy under $1500
  65. Etf 2008
  66. All FET Aikido
  67. what 12au7 have different tone ??vintage and modern
  68. Can 3.5W 2A3 amp drive proAc 1SC?
  69. British seven pin sockets
  70. Pentodes, triode mode and grid screen dissipation 101
  71. Yakov Aronov amps
  72. Suitable tube pre-amp for Phase Linear 400?
  73. Goldpoint value?
  74. TubelabSE 300B power transformer ?
  75. 316A socket
  76. Hashimoto A105 - some results (ECC99)
  77. Some uses for old transformers
  78. Power Supply Question
  79. PY82 as rectifier
  80. Jackson 637 Tube tester Info needed
  81. pro-ject tube box
  82. Some dumb Questions on Heater CCS supply
  83. Aikido loses power?
  84. Quicksilver 8417/12FQ7 mods
  85. Calculations for an AIKIDO
  86. Music Angel Empty shells
  87. Enclosure for tube amp/speaker/reverb unit
  88. Need help troubleshooting preamp trouble
  89. Compactrons on the brain!
  90. XSE vs. GSXE Edcors
  91. output transformer
  92. How to simulate OPT in LTspice?
  93. 311-b
  94. PSU Design help !!!
  95. BDT Preamp build
  96. Russian tubes / capacitors purchasing
  97. Bored with Leak ST20 - ideas?
  98. KT-88 Music Angel problems with sound level
  99. Fusion Hybrid 300B
  100. I'm new here..... :(
  101. DIY/Buy/Kit
  102. Ralph from Atma-sphere will be giving a talk 09/16
  103. Modified USB DAC board, DDDAC with triode buffer
  104. LS50/GU50 Both Grid Drive
  105. Aikido filament question
  106. 6l6 Se.
  107. Feedback requested on 7591 PP design
  108. Blackburn Mullard/Philips video
  109. DIY sheilded B+ cable
  110. Experimenters Tube Sockets
  111. Used freebies precipitate questions
  112. Mains toroid as IT with DC balance?
  113. Tubes for Viva Solista 845 SET amp
  114. SE transformer for PP duty?
  115. Warning: new SS relay question / No flame I
  116. Tube Haunts Thread?
  117. Problem with Maida regulator
  118. 2 stage SE IT coupled amps..
  119. BUF420M Current Sink
  120. Direct from the mains?
  121. PSU capacitors: 30uF film ok instead of 100uF electrolytic?
  122. Annealed silicon core opt`s
  123. Designing a "cheap" highish-power PP amp...
  124. Improvements for the Mikael Abdellah KT88???
  125. DC supply on driver tube hums..
  126. Sun Audio SV-2A3
  127. Mullard Blackburn Tube Factory Tour Video
  128. SE amp: Please suggest a better operating point
  129. Paralleling Outputs or Bi-amp
  130. triple triode common cathode - only want to use 2 triodes
  131. Luxman 3045 Mono Block Tube Amp
  132. Eye tube for balancing multi amp system
  133. 12ax7 preamp.
  134. External PSU for Quad 22 pre-amplifier
  135. Keep Blowing Fuses
  136. learning tube rectified psu
  137. 17JB6... guitar amp?
  138. Series of Diode on HT Plate
  139. Quad II power amps......power output transformers!!!
  140. Mullard (factory) making tubes again
  141. CFB and A2 operation
  142. DIY triode
  143. Interesting symmetrical amp from 1955 magazine
  144. 6N23P, 6S19P anybody knows?
  145. Worlds smallest HiFi valve amp
  146. A DIY Interruptus Moment
  147. Noisy EL84 amp needs new front end
  148. Loosening up magnetic "stiction"
  149. The Return Of Blackburn Mullards?
  150. Can I use different value cap?
  151. tubelab SimpleSe power transformer connection question
  152. need output transformer for Fisher
  153. help for E182CC linestage/driver
  154. User Beware: A Report On Jj Tubes
  155. Depletion mode mosfets for 2mA CCS ?
  156. New tube stash question
  157. Stepped attenuator recommendation...
  158. Pros and cons of Cascoded front ends
  159. EF86 as a volume pot, line pre 2008
  160. RCA voltage regulator
  161. Input voltage attenuation
  162. Valve Buffer amp
  163. 6y6ga
  164. Filmosound L-1 6V6 Volume pot issue
  165. 3C24 in a SE output stage - output transformer impedance recommendation !!!
  166. Another 3f4 spice triode model: 5718 submini triode
  167. hp-8903B advice??
  168. need info on how to convert my bogen k10 for guitars use
  169. Differential Amplfiers - current sources under/over the triodes
  170. Impedance rate VS impedance stability
  171. Anyone running Mikael's SE KT88 in Pentode?
  172. what double triode is less microphonic ?
  173. Need advice on proper use of anode chokes.
  174. Grounding problem?
  175. Current regulation for filament of say a 300B
  176. diagram for OTP 6.6K valve KT88
  177. Dynaco Pas Transformer
  178. Regulated screen supply
  179. Shocked!!!
  180. set el84 tube amp
  181. tube preamp RIAA
  182. 4E27 as a substitution of 845
  183. LS 37 lite audio phono
  184. I want to build an amp!!!
  185. Multimeter test leads?
  186. Choosing proper g2 grid stoppers for SE UL..?
  187. audio note P1SE improvements
  188. Help for choke input regulated PSU
  189. 5687 perveance
  190. Where Can I Pick Up Neutral
  191. Hyperlinear line preamp
  192. What tube to use.
  193. Using mains transformer as output transformer
  194. AutoCAD of tube Packages?
  195. Has Anyone Tried This Before??
  196. More Tube Learning (for me) Cathode followers
  197. weird hum problem
  198. Simple technique for guitar amp channel switching?
  199. Weird oscillation
  200. Tube stash strategy and testing (long)
  201. Choke loaded LTP
  202. LM Ericsson 2C51 help!
  203. Antek TXs??Any use em???
  204. Speaker impedance questions (SE KT88)
  205. Spud-Assist: Totem-Pole Current-Mirror PP Hybrid
  206. my 6922 / E88CC preamp
  207. For the moderator
  208. 3 amps for HE speakers
  209. Pentode sounds great
  210. Shindo claret
  211. james 6123hs
  212. 6550 Amplifier
  213. ARC Ls 15 Schematic
  214. Super spud-amp?
  215. Basic Oscilloscope Usage Questions
  216. Grounded Cathode phase?
  217. Simple SE, how to wire CFB with outputs for different speaker impedances?
  218. PCB Board designer?
  219. Speaker for your low power tube amp?
  220. Tube collection Database.
  221. E288cc value?
  222. Hi End Tube Project
  223. parallel SE 2A3
  224. Want to build a tube/SS hybrid preamp for HT
  225. Do anyone has schematic for Counterpoint SA3000 ?
  226. Thermistor B+ or primary
  227. Measuring AC at Radio Frequencies
  228. The MingDa MC67-HA meets Frankenstein
  229. What's the biggest full wave damper diode?
  230. Maximising Tube Life
  231. Darling power supply calculations
  232. This is nice - Pix Ongen tube RIAA amp
  233. Tubelab SE 45... Super amp!?
  234. DAC - tube gain stage w/ AC heaters
  235. Microphonics?
  236. Insides of Tango Transformers
  237. Thoughts on horizontal sweep tubes?
  238. 2A3 Design Issues (Long)
  239. Design using EL42 output pentodes
  240. Blumlein's Garter Bias question
  241. Original ECL86 "Baby Huey" thread
  242. Too low heater voltage?
  243. Tube and digital?
  244. 807 monoblocks
  245. What to swap a 6AV6 for?
  246. Pot Noise Help
  247. cathode bias circuit question
  248. ECC40 driver stage for 2A3
  249. heater current and 6922 - 6n6p swap
  250. Tube Crystal Clock Oscillator

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