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  1. Cathode follower distortion results
  2. Bullet Proof 6L6GC Recommendation PLEASE
  3. newbie recomendations please
  4. NOS Tubes
  5. Audio Research CA-50 tube rolling
  6. OT on Decaware SE84C-S
  7. Change PP Amp Into Phono Pre?
  8. pl84 ore el84
  9. VTL Compact 100 Monoblock x 2.
  10. Battery bias a 6SU7 in the 300b billies
  11. Speaker impedance roughly 6 ohms, 2A3 SET...
  12. B2 Spice SE tranformer parameters
  13. Determining cap values (old radio)
  14. thoughts on 300b operating points with 3k output
  15. Grounded Grid wiring question
  16. PP-Triode , PP-UL , PP-Pentode-strapped-as-Triode
  17. Found some EC8010
  18. SE PX4 or PX25 amp, anyone built one????????
  19. HAL-O Damping Instruments
  20. An intriguing 6S45P direct coupled 300B amplifier
  21. difference between Cayin and Jolida
  22. 417a line preamp help
  23. kenwood trio el84 push pull schematic
  24. Any comments on this design?
  25. Amp for speaker testing
  26. Shielding preamp power supply
  27. Troubleshooting EL34 push pull amp
  28. amp input volume
  29. What Mullard 12AX7 is better?
  30. Universal audio / Avalon mic pre schematics
  31. Since transconductance amps has become so popular lately...
  32. Mecanical PSU hum
  33. help i.d. this amplifier
  34. Question about a hybrid PSU design
  35. 35Z5GT half-wave rectifier
  36. Riviera 725 guitar tubes amp
  37. Best place to use 2 Jupiter Bee caps in tube amp?
  38. what rating for diode of 450Volts DC
  39. Telefunken 6L6GC ???????
  40. Why are my amps doing this?
  41. How to calculate the gain of an input-driver stage?
  42. 6L6 vs EL34
  43. protect your amps
  44. Snap Ring Octal Sockets
  45. Suitable operating point for 6SN7 as a differential driver ?
  46. Suitable rectifier
  47. 6N1P & SV83 mu stage driving 845?
  48. Has anyone built a transformer coupled preamp?
  49. Circuit diagram for RCA vintage 6BQ5 amplifier?
  50. Driver valve discussion
  51. Help to choose the tubes!
  52. Why hum in one channel only?
  53. DC heater noise WORSE than AC
  54. Rdh 4
  55. 900v B+ Silly time.
  56. tube rectifier arrangement
  57. Matrix Amp?
  58. Dynaco Stereo 70 amplifier
  59. Ultimate power switch?
  60. AC or DC current for 300B and 2A3 tube filaments ?
  61. 0.1uF @ 3000V Ceramic?
  62. Power Triodes in current production
  63. Anyone in the world identify eico trans?
  64. Mullard 5-20 in triode mode
  65. THX certification, or integrated near THX Quality,
  66. Feedback resistor on Baxandall tone stack?
  67. SE Pentode or PP Triode ?
  68. how does one "voice" a tube amp
  69. Musical fidelity Nu-Vista
  70. Tube substitutions in Heathkit W5M
  71. PSUD2 question
  72. 6L6 class A P-P CFB amp
  73. i have a matched pair of 3cx1000a7..
  74. Different silvering patterns on tube tops?
  75. Designing Guitar Amp's Project
  76. Help with amp rebuild
  77. Mystery (to me) phase inverter?
  78. Biasing
  79. SE KT88 Amp
  80. Good design?
  81. Auto Biasing
  82. nuvistor MC step up
  83. Corian for tube amp?
  84. 6AQ5 Line stage?
  85. 6550 o/p stage
  86. Help with finding preamp schematic
  87. AVO data for 8417 (Quicksilver) tubes
  88. Any experience with this nice toroidal OT?
  89. 300B SE cathode feedback to grid?
  90. hummmmmmm?
  91. ERO KP1832 Bypass Caps for sale
  92. no bass makes pedro a whiny boy
  93. Iron, glass, sand and lead.
  94. Is this any good? Considerations
  95. 2A3 SET Output Transformer opinions/recommendations
  96. My 6C45 DC 6C41, advice wanted
  97. DIY valve
  98. A good SE project?
  99. who will build me this special "line tubeamp"
  100. PI filters
  101. Designing a simple dc filament supply?
  102. Rogers Cadett amp
  103. HI & a few words/questions ...
  104. 6d22s
  105. eBay
  106. Chassis layout for Stereo JE Labs 300BDX
  107. Output transformer help
  108. CAD Program for Tubes
  109. 801A/816 tubes wanted
  110. This little thing might save your life!
  111. What happens if I loose the cathode bias?
  112. beginners ecl82 power supply
  113. 2MHz, High voltage source?
  114. beginner's ecl82
  115. Handmade Electronics Metal Punches?
  116. EL34 types
  117. Spice Model 6CW4
  118. El/pl 519
  119. Euridice symetric to Amp?
  120. use of 6dj8 as driver on a direct coupled 2a3 se amp
  121. Western Electric 275A Schematic
  122. Where to source 833 power tube
  123. capacitor reactance
  124. Overvoltaging resistors
  125. EL84 Push Pull amp.
  126. Power supply load capacity
  127. Tube preamp problem
  128. E88C (6DL4/ 8255), any circuit for it?
  129. Is there a name for this drive method?
  130. 6BM8 Question
  131. Tube mic preamp/mixer
  132. Please cast your votes..or make a suggestion or 2
  133. RIAA in LTspice
  134. Parallel ECC82 comment please
  135. A push-pull amp i can live with
  136. Sub-miniature russian amp help
  137. Tube Optical-Isolation Unit
  138. MKP in the Powersupply.
  139. 6SN7-GTB Globe (Chinese)
  140. 12BH7 Specs
  141. Is this worth my time?
  142. choke value
  143. ipod + tubes
  144. Leak tl/25+ OPT selection
  145. Gabevee's Maggie (MAG1515)
  146. Can partial feedback be as effective as global fb for decent damping factor?
  147. Which trans wire is which?
  148. What's wrong with this tube?
  149. F: great sound control with ECC82
  150. 30W UL 6L6P-P amp
  151. 300B stereo SE amp and PP2A3 monoblocks
  152. 6S45P matching
  153. Inductors made for crossover in an amp?
  154. PX4 or AVO44 or AV044 based SETA
  155. power conditioning
  156. Microphone preamp with compressor
  157. Current production rectifiers
  158. mu stage help...
  159. Non-Polar caps to cathode bypass
  160. 5u4 / solid state switchable supply
  161. 12AX7 sound ... going with the trend
  162. 6L6 PP Design Recommendations?
  163. EL 34 30W ultra linear
  164. Convert Audion Silver Knight PP monos
  165. Too much gain
  166. The long lost linear gain stage
  167. Philco power tranny diagram/5u4 supply
  168. Kt88 Se
  169. supersize me, please. (powersupply)
  170. Seeking advice on "Circlotron" cross-coupled feedback OTL design
  171. Best 6CA7?
  172. ECC99 line preamp
  173. coupling caps???
  174. variable regulated negitive grid supply
  175. hum loop advice
  176. Against all odds...
  177. 6as7 se amp
  178. Help .. tube amplifier .. 1st !
  179. winding a toroidal pp output
  180. solid state Vs Tube Rectification
  181. Cryoed Tubes...what To Expect?
  182. I'm looking for 6H13C tubes
  183. Which ST-70 ?
  184. Some questions about Van Scoyoc X-coupled splitter
  185. Quicksilver 8417 bias runaway?
  186. Most effective use of valve pre & active xover
  187. Tube possibilities for 2.9k-ohm speaker?
  188. Help on Preamp Mute Switch
  189. Fixed bias supply problems...
  190. Help with VTL preamp...
  191. question about 811A and 572B
  192. Dual Stereo Cathode Folower Setup
  193. tube tester
  194. Audio Innovation 1000 SE
  195. 6as7 PP Schematic Help
  196. Newbie Question: Need help diagnosing a problem, tubes on, music fades out quickly
  197. 7591EH failure
  198. opt frequency response
  199. Anyone got any opinions on this?
  200. My ForePlay Processor Controlled Preamp
  201. Tube ghetto blaster ?
  202. Help trouble shooting
  203. "The Fisher" tube amp 7189 output tubes
  204. UTC output transformers specs
  205. Regulation options for 807 g2
  206. My Mullard 5/20
  207. Anyone tried Black Beauty caps??
  208. KT88 power amp
  209. High voltage regulator
  210. Filament voltage ?
  211. Unity Gain Unbalanced to Balanced Phase Splitter
  212. Anyone know the g1-g2 capacitance of 6AU6?
  213. Any good Transformer or Tube manufactureres in India ?
  214. McMartin MA-20?
  215. Help with Jolida 302A
  216. need 13fd7 curves
  217. Drd Kt88?
  218. miniature tube amp
  219. 300B pp schematic found, what about it?
  220. Tube Output Stage
  221. se otl
  222. Toroidals as OPTs?
  223. Tube advice
  224. Understanding OPT primary Z and load matching.
  225. help with Optomal placement of output transformers.
  226. 50h B26
  227. Anyone know what this is?? Strange tube/ bulb.
  228. Please ID output transformer
  229. Cheap and Easy Tube Phono Preamp
  230. Carbon film vs metal film resistors in a stepped attenuator?
  231. Alps pots vs. TKD pots? TKD worth the extra$$?
  232. Opamp as tube driver: Protection ideas?
  233. Looking for schematics CROFT OTL APPARITION
  234. ISO (new Tango) info...
  235. Noob Question on Driver Stages
  236. High Voltage Reference
  237. DIY valve amp
  238. JJ multisection caps
  239. Inverted Interstage Transformer
  240. regarding to the design of iron-cored inductors (chokes)
  241. Trying to find an amp
  242. 12v tube output stage for cs43122 based dac?
  243. Wattages & Loudness: ?I'm Lost?
  244. cmrr of common cathode
  245. The Next Step. (and budget tube amplifier kits/designs).
  246. non-diy amplifiers with choke input power supplies
  247. Does a cathode bypass capacitor reduce hum?
  248. a tube convert tries a mosfet
  249. Motorboating in leak 20
  250. New MC preamp is comming alive

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