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  1. need output transformer for Fisher
  2. help for E182CC linestage/driver
  3. User Beware: A Report On Jj Tubes
  4. Depletion mode mosfets for 2mA CCS ?
  5. New tube stash question
  6. Stepped attenuator recommendation...
  7. Pros and cons of Cascoded front ends
  8. EF86 as a volume pot, line pre 2008
  9. RCA voltage regulator
  10. Input voltage attenuation
  11. Valve Buffer amp
  12. 6y6ga
  13. Filmosound L-1 6V6 Volume pot issue
  14. 3C24 in a SE output stage - output transformer impedance recommendation !!!
  15. Another 3f4 spice triode model: 5718 submini triode
  16. hp-8903B advice??
  17. need info on how to convert my bogen k10 for guitars use
  18. Differential Amplfiers - current sources under/over the triodes
  19. Impedance rate VS impedance stability
  20. Anyone running Mikael's SE KT88 in Pentode?
  21. what double triode is less microphonic ?
  22. Need advice on proper use of anode chokes.
  23. Grounding problem?
  24. Current regulation for filament of say a 300B
  25. diagram for OTP 6.6K valve KT88
  26. Dynaco Pas Transformer
  27. Regulated screen supply
  28. Shocked!!!
  29. set el84 tube amp
  30. tube preamp RIAA
  31. 4E27 as a substitution of 845
  32. LS 37 lite audio phono
  33. I want to build an amp!!!
  34. Multimeter test leads?
  35. Choosing proper g2 grid stoppers for SE UL..?
  36. audio note P1SE improvements
  37. Help for choke input regulated PSU
  38. 5687 perveance
  39. Where Can I Pick Up Neutral
  40. Hyperlinear line preamp
  41. What tube to use.
  42. Using mains transformer as output transformer
  43. AutoCAD of tube Packages?
  44. Has Anyone Tried This Before??
  45. More Tube Learning (for me) Cathode followers
  46. weird hum problem
  47. Weird oscillation
  48. Tube stash strategy and testing (long)
  49. Choke loaded LTP
  50. LM Ericsson 2C51 help!
  51. Antek TXs??Any use em???
  52. Speaker impedance questions (SE KT88)
  53. Spud-Assist: Totem-Pole Current-Mirror PP Hybrid
  54. my 6922 / E88CC preamp
  55. For the moderator
  56. 3 amps for HE speakers
  57. Pentode sounds great
  58. Shindo claret
  59. james 6123hs
  60. 6550 Amplifier
  61. ARC Ls 15 Schematic
  62. Super spud-amp?
  63. Basic Oscilloscope Usage Questions
  64. Grounded Cathode phase?
  65. Simple SE, how to wire CFB with outputs for different speaker impedances?
  66. PCB Board designer?
  67. Speaker for your low power tube amp?
  68. Tube collection Database.
  69. E288cc value?
  70. Hi End Tube Project
  71. parallel SE 2A3
  72. Want to build a tube/SS hybrid preamp for HT
  73. Do anyone has schematic for Counterpoint SA3000 ?
  74. Thermistor B+ or primary
  75. Measuring AC at Radio Frequencies
  76. The MingDa MC67-HA meets Frankenstein
  77. What's the biggest full wave damper diode?
  78. Maximising Tube Life
  79. Darling power supply calculations
  80. This is nice - Pix Ongen tube RIAA amp
  81. Tubelab SE 45... Super amp!?
  82. DAC - tube gain stage w/ AC heaters
  83. Microphonics?
  84. Insides of Tango Transformers
  85. Thoughts on horizontal sweep tubes?
  86. 2A3 Design Issues (Long)
  87. Design using EL42 output pentodes
  88. Blumlein's Garter Bias question
  89. Original ECL86 "Baby Huey" thread
  90. Too low heater voltage?
  91. Tube and digital?
  92. 807 monoblocks
  93. What to swap a 6AV6 for?
  94. Pot Noise Help
  95. cathode bias circuit question
  96. ECC40 driver stage for 2A3
  97. heater current and 6922 - 6n6p swap
  98. Tube Crystal Clock Oscillator
  99. Decware Zen Plate Model ZSP1
  100. Battery Power Preamp E188CC review please !
  101. 6sl7
  102. Tube sale at AES
  103. 5v3a
  104. 813 trioded Datasheet and curves
  105. TCJ My-Stock DB
  106. 845 Amp
  107. Ripple filtering help... strange slow rise and fall of voltage
  108. Plate and Filament Transformers
  109. Tentlabs Neg Bias Vs Machmat AFB
  110. Looking for 12AT7/ECC81 phonostage schematic
  111. 6AV5 PP amp Design Review
  112. 6sn7 Preamp power supply
  113. Please: tube kit for <$300?
  114. making a load line
  115. Telefunken Consoles: not just for tube and iron scavenging!
  116. Genalex Gold Lion KT77
  117. driving HD600
  118. Counterpoint SA-3000
  119. Phono stage for 2 7F7s (stereo) plus buffer?
  120. Help and your input on YAQIN MC10L EL34
  121. EL Cheapo Quad amplifier???
  122. Noob questions about a K-12/K-502 kit
  123. 3 quick transformer questions
  124. Push Pull Output tranies for SE amp?
  125. Tube Rectifier Capacitance?
  126. rca 189 b console amps need more info
  127. upgrade transformer?
  128. Parasitic oscillation? (picture)
  129. newbie question : driver/output relationship, input sensitivity
  130. Unknown tube logo
  131. Impedance, the 10x rule, losses & bandwidth
  132. el84/6bq5 PSE
  133. A very odd phase inverter- comments?
  134. Please check my work :)
  135. NOS purchase, should I be concerned?
  136. Strange splitter in the Audio Research D4
  137. 6ak5/5654 plate resistance
  138. Further Troubleshooting Simple SE
  139. What is the purpose of the g2 bypass cap?
  140. questionable 2a3 schematic
  141. overdrive circuit for hammond organs(need help)
  142. A singular experiment with a unheated tube.
  143. Limited bass response in one channel
  144. Show me your fave phonostage circuits.
  145. tube heater voltage, how much is too much?
  146. Para feed choke
  147. Dynaco ST35 power?
  148. Tips/comments for upcoming 300B build
  149. page Eli Duttman's Simple p-p with 5965 MQ EXO-173 and 6AQ5
  150. DHT cathode follower idea
  151. GK71 Output Transformer
  152. Schematics for A.I. Mod 2D
  153. Determing Battery Voltage for cathode bias
  154. OT for audio but still tube
  155. Getting transfer characteristics
  156. Pentodes and Choke Loading
  157. Stepped airgap choke ?
  158. Noob question
  159. SE 300B Integrated Amp: Help choose circuit design
  160. SunAudio 2A3 to 300B
  161. Filament Snubber Cap Explodes! What happened?
  162. Alot of 12AX7's about
  163. DIY tube microphone preamp
  164. Tube tester and PSUD II questions
  165. Wurlitzer/Fisher Amp Musings
  166. please check my work
  167. How to get cathode bias info from grid bias info?
  168. SE 300B Integrated Amp: Transformers
  169. Positive feedback, improperly drawn screen, or WTF?
  170. GE Console RC 7100 A - need some help!
  171. Output tube for 600V B+, 5800 ohm primary PP, tertiary 25% UL taps?
  172. Still tring to find a couple 100uf motor runs
  173. small push-pull amp to preamp
  174. OpAmp Swap?
  175. Electraprint EL84 PP with PSA-2N
  176. Bogen MX-60A- output transformer bandwidth?
  177. 6AS7 Parallel Feed Amp
  178. PSpice model of output transformer
  179. Super 6BG6 vs. 6550
  180. 5687 line stage
  181. Audio Standards
  182. 4 x used 5867A (TB3/750) triodes
  183. 12au7 who has the best ultra low noise ???
  184. Questions about tweaking the Miniblok SET...
  185. The core -sonic reasons
  186. Removing pot from valve pre amp
  187. Power transformer question
  188. Tube construction materials
  189. LTP second grid
  190. How to figure out the bias point of fisher X-100A
  191. Schematic help! (Bell)
  192. Audio Note Soro SE SCHEMATICS
  193. 807 Tube Triode Connected
  194. Would you pls help.
  195. came across this nice 200W tube amp schematic
  196. Anyone seen this amp topology before?
  197. Max. grid resistance
  198. Yaqin mc10l &quot;popping&quot;
  199. Audio Electronics Supply
  200. Alamo Fury 2566
  201. My friends in the USA - tube stores in LA
  202. Can this marraige work?
  203. RJM with 12AY7
  204. Bias winding to power sand
  205. FM Tube radio design
  206. What do you use? Not technical but relative.
  207. looking for a pre-amp schematic
  208. I have waay too many 6DJ8's
  209. Tango NP126
  210. Two 6J5 versus one 6SN7
  211. Bunch of questions regarding plate CCS and some else.
  212. Tube Store in Washington DC (6C33C Triode Buy Where??)
  213. Scott 399 Receiver Schematics?
  214. Need help with 6l6GC choices
  215. Need Hammond/Everett drawings.
  216. 6V6 PP-based Baby Huey/Mullard inspired design needed...
  217. Ecf80
  218. Please Explain difference Mono vs Push Pull vs Single End etc
  219. VU Meters
  220. diy preamps, bottlehead, decware....
  221. Power supply choke help needed
  222. LED cathode biasing in push-pull input stage
  223. applying fixed bias to cathode followers
  224. Battieries for B+
  225. Put amp in chassis, then, right channel doesn't work!
  226. hammond transformers?
  227. Two Rectifiers, One transformer
  228. Tubes currently in production
  229. Rachel's Corner - Shuguang
  230. Small 50C5 Amp improvements
  231. Low voltage pentode?
  232. TX distortion
  233. DIY U-L curves
  234. Transformer spacing
  235. Covers for budget output transformers
  236. Correct for bipolar voltage doubler?
  237. Source for 100uf motor run cap.
  238. magnavox 185aa with 4-6v6
  239. Yaqin 300B re-biasing
  240. Line Amp Diy 6j1
  241. Diy Line Amp£_£_6sn7
  242. Diy Line Amp Audio Note M7
  243. Diy Line Amp Cat Sl-1
  244. Diy Line Amp Malanz 7
  245. Diy Line Amp Htm
  246. Diy Line Amp 5670
  247. Diy Line Amp Jp-80
  248. Quality difference between output transformers
  249. A group-build project for a tube power amp in India
  250. pilot light ideas please

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