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  1. EL34 UL Curves
  2. datasheet for ge 5star and rca command 5814a?
  3. PS choke voltage/current quetsion
  4. push pull power amp design question (a lot of actually :) )
  5. Knight Amplifier Repair Question
  6. Grant G100AS circuit diagram?
  7. Hashimoto A-105 - summary so far
  8. Related Audio Worlds largest
  9. Why do valves go microphonic?
  10. Allen Wright Superreg manual
  11. Need help on resistor values for 5687 aikido kit
  12. Pioneer SM83 PP amps
  13. Techtube valves/tubes
  14. Datasheet for Russian 6p3s-e
  15. Continually Blowing Fuses
  16. I am done with AES -- a short rant.
  17. CineMag CMMI-15/15B
  18. In market for a Capacitor meter - for a tube project!
  19. What amp(s) would you buy under $1500
  20. Etf 2008
  21. All FET Aikido
  22. what 12au7 have different tone ??vintage and modern
  23. Can 3.5W 2A3 amp drive proAc 1SC?
  24. British seven pin sockets
  25. Pentodes, triode mode and grid screen dissipation 101
  26. Yakov Aronov amps
  27. Suitable tube pre-amp for Phase Linear 400?
  28. Goldpoint value?
  29. TubelabSE 300B power transformer ?
  30. 316A socket
  31. Hashimoto A105 - some results (ECC99)
  32. Some uses for old transformers
  33. Power Supply Question
  34. PY82 as rectifier
  35. Jackson 637 Tube tester Info needed
  36. pro-ject tube box
  37. Some dumb Questions on Heater CCS supply
  38. Aikido loses power?
  39. Quicksilver 8417/12FQ7 mods
  40. Calculations for an AIKIDO
  41. Music Angel Empty shells
  42. Enclosure for tube amp/speaker/reverb unit
  43. Need help troubleshooting preamp trouble
  44. Compactrons on the brain!
  45. XSE vs. GSXE Edcors
  46. output transformer
  47. How to simulate OPT in LTspice?
  48. 311-b
  49. PSU Design help !!!
  50. BDT Preamp build
  51. Russian tubes / capacitors purchasing
  52. Bored with Leak ST20 - ideas?
  53. KT-88 Music Angel problems with sound level
  54. Fusion Hybrid 300B
  55. I'm new here..... :(
  56. DIY/Buy/Kit
  57. Ralph from Atma-sphere will be giving a talk 09/16
  58. Modified USB DAC board, DDDAC with triode buffer
  59. LS50/GU50 Both Grid Drive
  60. Aikido filament question
  61. 6l6 Se.
  62. Feedback requested on 7591 PP design
  63. Blackburn Mullard/Philips video
  64. DIY sheilded B+ cable
  65. Experimenters Tube Sockets
  66. Used freebies precipitate questions
  67. Mains toroid as IT with DC balance?
  68. Tubes for Viva Solista 845 SET amp
  69. SE transformer for PP duty?
  70. Warning: new SS relay question / No flame I
  71. Tube Haunts Thread?
  72. Problem with Maida regulator
  73. 2 stage SE IT coupled amps..
  74. BUF420M Current Sink
  75. Direct from the mains?
  76. PSU capacitors: 30uF film ok instead of 100uF electrolytic?
  77. Annealed silicon core opt`s
  78. Designing a "cheap" highish-power PP amp...
  79. Improvements for the Mikael Abdellah KT88???
  80. DC supply on driver tube hums..
  81. Sun Audio SV-2A3
  82. Mullard Blackburn Tube Factory Tour Video
  83. SE amp: Please suggest a better operating point
  84. Paralleling Outputs or Bi-amp
  85. triple triode common cathode - only want to use 2 triodes
  86. Luxman 3045 Mono Block Tube Amp
  87. Eye tube for balancing multi amp system
  88. 12ax7 preamp.
  89. External PSU for Quad 22 pre-amplifier
  90. Keep Blowing Fuses
  91. learning tube rectified psu
  92. 17JB6... guitar amp?
  93. Series of Diode on HT Plate
  94. Quad II power amps......power output transformers!!!
  95. Mullard (factory) making tubes again
  96. CFB and A2 operation
  97. DIY triode
  98. Interesting symmetrical amp from 1955 magazine
  99. 6N23P, 6S19P anybody knows?
  100. Worlds smallest HiFi valve amp
  101. A DIY Interruptus Moment
  102. Noisy EL84 amp needs new front end
  103. Loosening up magnetic "stiction"
  104. The Return Of Blackburn Mullards?
  105. Can I use different value cap?
  106. tubelab SimpleSe power transformer connection question
  107. need output transformer for Fisher
  108. help for E182CC linestage/driver
  109. User Beware: A Report On Jj Tubes
  110. Depletion mode mosfets for 2mA CCS ?
  111. New tube stash question
  112. Stepped attenuator recommendation...
  113. Pros and cons of Cascoded front ends
  114. EF86 as a volume pot, line pre 2008
  115. RCA voltage regulator
  116. Input voltage attenuation
  117. Valve Buffer amp
  118. 6y6ga
  119. Filmosound L-1 6V6 Volume pot issue
  120. 3C24 in a SE output stage - output transformer impedance recommendation !!!
  121. Another 3f4 spice triode model: 5718 submini triode
  122. hp-8903B advice??
  123. need info on how to convert my bogen k10 for guitars use
  124. Differential Amplfiers - current sources under/over the triodes
  125. Impedance rate VS impedance stability
  126. Anyone running Mikael's SE KT88 in Pentode?
  127. what double triode is less microphonic ?
  128. Need advice on proper use of anode chokes.
  129. Grounding problem?
  130. Current regulation for filament of say a 300B
  131. diagram for OTP 6.6K valve KT88
  132. Dynaco Pas Transformer
  133. Regulated screen supply
  134. Shocked!!!
  135. set el84 tube amp
  136. tube preamp RIAA
  137. 4E27 as a substitution of 845
  138. LS 37 lite audio phono
  139. I want to build an amp!!!
  140. Multimeter test leads?
  141. Choosing proper g2 grid stoppers for SE UL..?
  142. audio note P1SE improvements
  143. Help for choke input regulated PSU
  144. 5687 perveance
  145. Where Can I Pick Up Neutral
  146. Hyperlinear line preamp
  147. What tube to use.
  148. Using mains transformer as output transformer
  149. AutoCAD of tube Packages?
  150. Has Anyone Tried This Before??
  151. More Tube Learning (for me) Cathode followers
  152. weird hum problem
  153. Simple technique for guitar amp channel switching?
  154. Weird oscillation
  155. Tube stash strategy and testing (long)
  156. Choke loaded LTP
  157. LM Ericsson 2C51 help!
  158. Antek TXs??Any use em???
  159. Speaker impedance questions (SE KT88)
  160. Spud-Assist: Totem-Pole Current-Mirror PP Hybrid
  161. my 6922 / E88CC preamp
  162. For the moderator
  163. 3 amps for HE speakers
  164. Pentode sounds great
  165. Shindo claret
  166. james 6123hs
  167. 6550 Amplifier
  168. ARC Ls 15 Schematic
  169. Super spud-amp?
  170. Basic Oscilloscope Usage Questions
  171. Grounded Cathode phase?
  172. Simple SE, how to wire CFB with outputs for different speaker impedances?
  173. PCB Board designer?
  174. Speaker for your low power tube amp?
  175. Tube collection Database.
  176. E288cc value?
  177. Hi End Tube Project
  178. parallel SE 2A3
  179. Want to build a tube/SS hybrid preamp for HT
  180. Do anyone has schematic for Counterpoint SA3000 ?
  181. Thermistor B+ or primary
  182. Measuring AC at Radio Frequencies
  183. The MingDa MC67-HA meets Frankenstein
  184. What's the biggest full wave damper diode?
  185. Maximising Tube Life
  186. Darling power supply calculations
  187. This is nice - Pix Ongen tube RIAA amp
  188. Tubelab SE 45... Super amp!?
  189. DAC - tube gain stage w/ AC heaters
  190. Microphonics?
  191. Insides of Tango Transformers
  192. Thoughts on horizontal sweep tubes?
  193. 2A3 Design Issues (Long)
  194. Design using EL42 output pentodes
  195. Blumlein's Garter Bias question
  196. Original ECL86 "Baby Huey" thread
  197. Too low heater voltage?
  198. Tube and digital?
  199. 807 monoblocks
  200. What to swap a 6AV6 for?
  201. Pot Noise Help
  202. cathode bias circuit question
  203. ECC40 driver stage for 2A3
  204. heater current and 6922 - 6n6p swap
  205. Tube Crystal Clock Oscillator
  206. Decware Zen Plate Model ZSP1
  207. Battery Power Preamp E188CC review please !
  208. 6sl7
  209. Tube sale at AES
  210. 5v3a
  211. 813 trioded Datasheet and curves
  212. Importance of resistor working voltage spec?
  213. TCJ My-Stock DB
  214. 845 Amp
  215. Ripple filtering help... strange slow rise and fall of voltage
  216. Plate and Filament Transformers
  217. Tentlabs Neg Bias Vs Machmat AFB
  218. Looking for 12AT7/ECC81 phonostage schematic
  219. 6AV5 PP amp Design Review
  220. 6sn7 Preamp power supply
  221. Please: tube kit for <$300?
  222. making a load line
  223. Telefunken Consoles: not just for tube and iron scavenging!
  224. Genalex Gold Lion KT77
  225. driving HD600
  226. Counterpoint SA-3000
  227. Phono stage for 2 7F7s (stereo) plus buffer?
  228. Help and your input on YAQIN MC10L EL34
  229. EL Cheapo Quad amplifier???
  230. Noob questions about a K-12/K-502 kit
  231. 3 quick transformer questions
  232. Push Pull Output tranies for SE amp?
  233. Tube Rectifier Capacitance?
  234. rca 189 b console amps need more info
  235. upgrade transformer?
  236. Parasitic oscillation? (picture)
  237. newbie question : driver/output relationship, input sensitivity
  238. Unknown tube logo
  239. Impedance, the 10x rule, losses & bandwidth
  240. el84/6bq5 PSE
  241. A very odd phase inverter- comments?
  242. Please check my work :)
  243. NOS purchase, should I be concerned?
  244. Strange splitter in the Audio Research D4
  245. 6ak5/5654 plate resistance
  246. Further Troubleshooting Simple SE
  247. What is the purpose of the g2 bypass cap?
  248. questionable 2a3 schematic
  249. overdrive circuit for hammond organs(need help)
  250. A singular experiment with a unheated tube.

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