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  1. power suply for Pre & Phono Use tube 6BM8
  2. ESLDD with "anti-triode"
  3. Schematics border patrol psu
  4. Tubelab PCBs for an 845 - a good idea?
  5. Bias supply idea
  6. dynaco st 70 c3
  7. KT88 and the 6550
  8. crate vintage club problem
  9. GM70/GM70 parafeed SET?
  10. Genalex repro KT88s
  11. Grid - Screen Alignment (X-Rays)
  12. tube matching
  13. DC heaters for 5687 in Aikido?
  14. Connection Jensen 4-pole
  15. Measuring Output Power
  16. Modelling stereo PSU in PSUD ...
  17. Speaker matching transformer.
  18. Sowter's Radford transformer
  19. Cathode bias 6LU8 UL/Triode
  20. Cathode bias 6LU8 UL/Triode
  21. Sourcing ASC 100uf X386S capacitor
  22. Looking for a linear triode for lowish B+ CF (6N6P?)
  23. need spice model 5814a
  24. 420T or 10E/33B ?????????
  25. Decca DMI-73 and EL-84 weirdness
  26. DIY JTM 45/100 Style Guitar Amp
  27. Pentode guys: important to decouple g2 supply between stages?
  28. Ccs
  29. The Friday Chuckle
  30. Need help deciding what to build
  31. Why does red plate spell early death?
  32. Odd transformer with 6X4 tube mounted on top.. smoking more than my uncle Frank
  33. fisher 400 tweaking issues
  34. GM70 an 813 strapped in SE-UL - circuits?
  35. need help on transformer secondaries connection
  36. Partridge audio output transformer value
  37. Low mu Preamp Triodes as Power Output Tubes
  38. 300B Transformer temperature
  39. Standby Switch Problems
  40. Worth repairing?
  41. Measuring current distortion
  42. GM70 sockets?
  43. high AC mains problem
  44. 250 V PSU help
  45. EL34 UL Curves
  46. datasheet for ge 5star and rca command 5814a?
  47. PS choke voltage/current quetsion
  48. push pull power amp design question (a lot of actually :) )
  49. Knight Amplifier Repair Question
  50. Grant G100AS circuit diagram?
  51. Hashimoto A-105 - summary so far
  52. Related Audio Worlds largest
  53. Why do valves go microphonic?
  54. Allen Wright Superreg manual
  55. Need help on resistor values for 5687 aikido kit
  56. Pioneer SM83 PP amps
  57. Techtube valves/tubes
  58. Datasheet for Russian 6p3s-e
  59. Continually Blowing Fuses
  60. I am done with AES -- a short rant.
  61. CineMag CMMI-15/15B
  62. In market for a Capacitor meter - for a tube project!
  63. What amp(s) would you buy under $1500
  64. Etf 2008
  65. All FET Aikido
  66. what 12au7 have different tone ??vintage and modern
  67. Can 3.5W 2A3 amp drive proAc 1SC?
  68. British seven pin sockets
  69. Pentodes, triode mode and grid screen dissipation 101
  70. Yakov Aronov amps
  71. Suitable tube pre-amp for Phase Linear 400?
  72. Goldpoint value?
  73. TubelabSE 300B power transformer ?
  74. 316A socket
  75. Hashimoto A105 - some results (ECC99)
  76. Some uses for old transformers
  77. Power Supply Question
  78. PY82 as rectifier
  79. Jackson 637 Tube tester Info needed
  80. pro-ject tube box
  81. Some dumb Questions on Heater CCS supply
  82. Aikido loses power?
  83. Quicksilver 8417/12FQ7 mods
  84. Calculations for an AIKIDO
  85. Music Angel Empty shells
  86. Enclosure for tube amp/speaker/reverb unit
  87. Need help troubleshooting preamp trouble
  88. Compactrons on the brain!
  89. XSE vs. GSXE Edcors
  90. output transformer
  91. How to simulate OPT in LTspice?
  92. 311-b
  93. PSU Design help !!!
  94. BDT Preamp build
  95. Russian tubes / capacitors purchasing
  96. Bored with Leak ST20 - ideas?
  97. KT-88 Music Angel problems with sound level
  98. Fusion Hybrid 300B
  99. I'm new here..... :(
  100. DIY/Buy/Kit
  101. Ralph from Atma-sphere will be giving a talk 09/16
  102. Modified USB DAC board, DDDAC with triode buffer
  103. LS50/GU50 Both Grid Drive
  104. Aikido filament question
  105. 6l6 Se.
  106. Feedback requested on 7591 PP design
  107. Blackburn Mullard/Philips video
  108. DIY sheilded B+ cable
  109. Experimenters Tube Sockets
  110. Used freebies precipitate questions
  111. Mains toroid as IT with DC balance?
  112. Tubes for Viva Solista 845 SET amp
  113. SE transformer for PP duty?
  114. Warning: new SS relay question / No flame I
  115. Tube Haunts Thread?
  116. Problem with Maida regulator
  117. 2 stage SE IT coupled amps..
  118. BUF420M Current Sink
  119. Direct from the mains?
  120. PSU capacitors: 30uF film ok instead of 100uF electrolytic?
  121. Annealed silicon core opt`s
  122. Designing a "cheap" highish-power PP amp...
  123. Improvements for the Mikael Abdellah KT88???
  124. DC supply on driver tube hums..
  125. Sun Audio SV-2A3
  126. Mullard Blackburn Tube Factory Tour Video
  127. SE amp: Please suggest a better operating point
  128. Paralleling Outputs or Bi-amp
  129. triple triode common cathode - only want to use 2 triodes
  130. Luxman 3045 Mono Block Tube Amp
  131. Eye tube for balancing multi amp system
  132. 12ax7 preamp.
  133. External PSU for Quad 22 pre-amplifier
  134. Keep Blowing Fuses
  135. learning tube rectified psu
  136. 17JB6... guitar amp?
  137. Series of Diode on HT Plate
  138. Quad II power amps......power output transformers!!!
  139. Mullard (factory) making tubes again
  140. CFB and A2 operation
  141. DIY triode
  142. Interesting symmetrical amp from 1955 magazine
  143. 6N23P, 6S19P anybody knows?
  144. Worlds smallest HiFi valve amp
  145. A DIY Interruptus Moment
  146. Noisy EL84 amp needs new front end
  147. Loosening up magnetic "stiction"
  148. The Return Of Blackburn Mullards?
  149. Can I use different value cap?
  150. tubelab SimpleSe power transformer connection question
  151. need output transformer for Fisher
  152. help for E182CC linestage/driver
  153. User Beware: A Report On Jj Tubes
  154. Depletion mode mosfets for 2mA CCS ?
  155. New tube stash question
  156. Stepped attenuator recommendation...
  157. Pros and cons of Cascoded front ends
  158. EF86 as a volume pot, line pre 2008
  159. RCA voltage regulator
  160. Input voltage attenuation
  161. Valve Buffer amp
  162. 6y6ga
  163. Filmosound L-1 6V6 Volume pot issue
  164. 3C24 in a SE output stage - output transformer impedance recommendation !!!
  165. Another 3f4 spice triode model: 5718 submini triode
  166. hp-8903B advice??
  167. need info on how to convert my bogen k10 for guitars use
  168. Differential Amplfiers - current sources under/over the triodes
  169. Impedance rate VS impedance stability
  170. Anyone running Mikael's SE KT88 in Pentode?
  171. what double triode is less microphonic ?
  172. Need advice on proper use of anode chokes.
  173. Grounding problem?
  174. Current regulation for filament of say a 300B
  175. diagram for OTP 6.6K valve KT88
  176. Dynaco Pas Transformer
  177. Regulated screen supply
  178. Shocked!!!
  179. set el84 tube amp
  180. tube preamp RIAA
  181. 4E27 as a substitution of 845
  182. LS 37 lite audio phono
  183. I want to build an amp!!!
  184. Multimeter test leads?
  185. Choosing proper g2 grid stoppers for SE UL..?
  186. audio note P1SE improvements
  187. Help for choke input regulated PSU
  188. 5687 perveance
  189. Where Can I Pick Up Neutral
  190. Hyperlinear line preamp
  191. What tube to use.
  192. Using mains transformer as output transformer
  193. AutoCAD of tube Packages?
  194. Has Anyone Tried This Before??
  195. More Tube Learning (for me) Cathode followers
  196. weird hum problem
  197. Simple technique for guitar amp channel switching?
  198. Weird oscillation
  199. Tube stash strategy and testing (long)
  200. Choke loaded LTP
  201. LM Ericsson 2C51 help!
  202. Antek TXs??Any use em???
  203. Speaker impedance questions (SE KT88)
  204. Spud-Assist: Totem-Pole Current-Mirror PP Hybrid
  205. my 6922 / E88CC preamp
  206. For the moderator
  207. 3 amps for HE speakers
  208. Pentode sounds great
  209. Shindo claret
  210. james 6123hs
  211. 6550 Amplifier
  212. ARC Ls 15 Schematic
  213. Super spud-amp?
  214. Basic Oscilloscope Usage Questions
  215. Grounded Cathode phase?
  216. Simple SE, how to wire CFB with outputs for different speaker impedances?
  217. PCB Board designer?
  218. Speaker for your low power tube amp?
  219. Tube collection Database.
  220. E288cc value?
  221. Hi End Tube Project
  222. parallel SE 2A3
  223. Want to build a tube/SS hybrid preamp for HT
  224. Do anyone has schematic for Counterpoint SA3000 ?
  225. Thermistor B+ or primary
  226. Measuring AC at Radio Frequencies
  227. The MingDa MC67-HA meets Frankenstein
  228. What's the biggest full wave damper diode?
  229. Maximising Tube Life
  230. Darling power supply calculations
  231. This is nice - Pix Ongen tube RIAA amp
  232. Tubelab SE 45... Super amp!?
  233. DAC - tube gain stage w/ AC heaters
  234. Microphonics?
  235. Insides of Tango Transformers
  236. Thoughts on horizontal sweep tubes?
  237. 2A3 Design Issues (Long)
  238. Design using EL42 output pentodes
  239. Blumlein's Garter Bias question
  240. Original ECL86 "Baby Huey" thread
  241. Too low heater voltage?
  242. Tube and digital?
  243. 807 monoblocks
  244. What to swap a 6AV6 for?
  245. Pot Noise Help
  246. cathode bias circuit question
  247. ECC40 driver stage for 2A3
  248. heater current and 6922 - 6n6p swap
  249. Tube Crystal Clock Oscillator
  250. Decware Zen Plate Model ZSP1

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