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  1. An Electronic Loss Compressor
  2. K-12g one channel louder than the other
  3. Sun SV2a3 or 45?
  4. Red imP(asse)
  5. An application of C-Vac: the SolidGlass amplifier
  6. Fixing crooked laminate stacks?
  7. EF184 driver
  8. Woo Audio WA7 temperature
  9. Resistor w/cap or LED or battery bias?
  10. Transformers Back to back vs. Voltage Doubler
  11. 211: 75W or 100W?
  12. Does really need a balanced preamp ?
  13. Power Transformer Hum
  14. Options for how to use this old tube PA amp? > 200W
  15. Flash getter question
  16. Heath W4 Output Xfmr - anyone measure one??
  17. Tube buffer with 6n3-EV
  18. First time with hi-fi, need some advise with amp desing
  19. Newbie wants to build SET 6C33C
  20. Another PP GU50
  21. SE Waveform
  22. Problem with CCS for filaments
  23. UL / Distributed Load - Screen vs. CFB Winding Ratios
  24. 50W PP - KT88 Build
  25. OP Tx and PPP to PP change over
  26. I need a little more advice on a Glassware Janus shunt regularor
  27. Pentode noise
  28. Dynaco ST-35 Circuits
  29. BIG Transformer Covers - Where to Find?
  30. Amplification breaks up after some time
  31. 6A5G schematic; changes from the 6Y6G tube
  32. ECC83 differential preamp optimisation
  33. 6Y6G SE SCHEMATIC NEEDING HELP!
  34. Need help identifying this tube...
  35. AMI DD project. Someone did some mods before me and I don't know whats what.
  36. (v?)Tailor PA-500 Tube Amp
  37. Transformer arrangement?
  38. Don't be stupid, you can't possibly do that with output transformers?
  39. Maximum Plate/Screen Voltage 6550 in UL
  40. Paper insulation for output transformers?
  41. Best PP OPT 30-100W range
  42. Tripath TA2020 + 6N3 Tube buffer
  43. El34 as triode
  44. tube preamp vol ctrl -- before or after?
  45. matisse preamp -review
  46. Ribbon Microphone Preamp
  47. Looking for tubes 6CL8 pentode Triode with lower output ratings
  48. Reducing Signal Level Without Affecting Tone
  49. VTVM/VOM???
  50. Micro amp - all-tube, direct heated, portable and IT FITS
  51. Wiring a 6AS7G to be Push Pull within its own envelope
  52. Wima MKP
  53. Will this circuit work ?
  54. new amp build
  55. MKP DC-LINK vs electrolytic power supply 4 tube amp
  56. Looking for ECC81
  57. Unison Research S6 (old version) auto or fixed bias?
  58. Troubleshooting a restored Edison 12 valve amplifier
  59. Counterpoint SA-220
  60. LTSpice models needed
  61. Magnavox 6V6 amp upgrade
  62. breadboard for tubes
  63. Looking for ideas... 50W OPTs
  64. SE Power Supply PCB
  65. Speakers for the 16LS Stereo Tube Amplifier
  66. will E80CF fit into yaqin 100b
  67. RH84 Rev2 Build w/Premium parts
  68. Single ended KT88 / 6SN7 not enough power
  69. Problem with push-pull KT88
  70. opinions please!
  71. Tube testing 101?
  72. Top aluminum plate from ProtoPanel.com
  73. 6GK5/300B
  74. Screen driven sweep tubes - the return of the evil kink?
  75. Parafeed 45 amps
  76. Has anyone tried the 6p1p EV?
  77. ECC88 mu-follower
  78. Reducing gain of a WE91 type amp
  79. 6sn7 mu-follower
  80. AES Preamp mods
  81. Oh! Darling
  82. Testing 3B22 on Hickok 752a
  83. Has anyone ever used the 6C41C in PP?
  84. RH 6V6
  85. Unholtz-Dickie amp, 4-1000's
  86. Somewhat Newbie..
  87. grounding RCA inputs
  88. ESS9018 I/V
  89. Catode follower with 6N7S (6n7GT)
  90. Recommended RIAA Values for this Circuit
  91. PC board design for PSE amp
  92. Audio Research SP-11 HV Regulator
  93. heathkit SA2
  94. russian 1578 tube production years
  95. partial list of tubes I have
  96. Bench Power Supply Questions ?
  97. Identify this tube?
  98. your input - bulb / led / neon selection for short tester
  99. Potted choke orientation/amp layout
  100. Tamura F-2012
  101. Joining output windings
  102. B&K 650 tube tester
  103. 5687 LTSpice model needed
  104. Can you identify this transformer? 70V line matching?
  105. I had to post this..the 211 in all its glory!
  106. Help with preamp/driver/output setup
  107. Accident - Shorted Cathode to grid!!
  108. Correct B+ for EL84 UL PP
  109. RH807 output transformer....what did you use?
  110. Headphone tube amp with balanced output?
  111. Tube buffer with 6n1p-EV
  112. First little SE
  113. ID Nice Unknown Tube
  114. Bell and Howell Model-601
  115. what should my mulit reader be on to bias yaqin 100b
  116. Fixing an old Tandberg Huldra 6 Radio
  117. 30W sweep tube amp
  118. Atmosphère S-40 with KT88, does someone know about this amp?
  119. What happens when Output transformer max voltage (slightly) exceeded?
  120. what type is the best?
  121. Kiwame carbon resistors
  122. Rocker Switch Wiring
  123. RH6550
  124. Diodes for Marantz 8B
  125. Diodes for Marantz 8B
  126. Telefunken 2430 Opus Resistor Burnout
  127. yaqin 100b with 2 different kt88 valves 2 are Genelex Gold Lion and 2 are Svetlena wi
  128. Conrad Johnson MV40 copy and Fisher OP's
  129. Are EF86 Tubes inherently microphonic?
  130. Counterpoint SA-1000 Hum in left channel Pinging Anatech!
  131. Need a rectifier tube...
  132. Looking for Harman Kardon Allegro A-10 Schematic or PhotoFact.
  133. How much spl can a triode take?
  134. Octal CCDA kit - help needed!
  135. Mod input of 6AU6/6AQ5 amp for iPod
  136. Put a tube on your PC just for fun..
  137. ST35 Cathode Feedback
  138. Series Shunt tube regulator
  139. Help ID this tube ^&$**@# lettering!
  140. Adding a db VU meter to an existing tube mic pre
  141. Quad 22 interstage cap?
  142. First test of my AX84 HI-octane
  143. 4P1L triode PP (40W!!?)
  144. KT88 shootout vintage vs new vs 90
  145. Help needed to identify this british made Amp
  146. PSU II Question
  147. Quality tube buffer with ECC83
  148. K12g Amp Question
  149. Stark 9-66 tube tester - repair help
  150. output transfo problem
  151. Pair of Fisher CA-40 Oddballs
  152. Model 601 tube amp.
  153. Model 601 Tube amp
  154. First power amp build. Is this normal??
  155. Compactronized 6146
  156. Preamp and inverter on B7G base tubes circuit.
  157. Advice and Suggestions on Amp designs
  158. Help who tube buffer x10-d
  159. EL803S-6CW5 / EL86 amp design check (schematic attached)
  160. amp buzz in one channel on inrush / power on
  161. SE 8-10W monoblock build help
  162. GlassWare Tube CAD
  163. SMD Parts and the DIYer
  164. 6CW5 / EL86 operating point
  165. RH84 power output
  166. 6n6p-ir
  167. Transformer bubbling
  168. Crackling noise.... pls help on Pre-amp
  169. RH84 amp. Plate is 300V. What voltage...
  170. Amplificator Class A 2 X EL504
  171. Help in testing 12ax7 and 7869 tubes
  172. Micro-Cap Tubes Parameters question
  173. Cathode Bypass Capacitor
  174. NOOB ALERT! sooo omany questions.....
  175. IS THIS A REAL E810F ???
  176. Chassis design question / cooling of small signal valves
  177. 5 leads pp output transformer
  178. Vote and Comment: SRPP vs. Aikido vs. Grounded Grid
  179. NEED ADVICE ON THIS SCHEMATIC AND WILL IT WOFK
  180. Help Identifying a Console Pull Amplifier
  181. sunaudio 2A3 circuit...is it good for newbie?
  182. KT120: When does it starts to sing ?
  183. Simple Time Delay (no more excuses for not having one)
  184. Cary SLP-05
  185. 6SN7 Grounded Grid
  186. input selector switch replacement help
  187. help needed with transformer wiring
  188. Tube Schematic Drawig Packages
  189. 12AU7 - 5V4G easy amplifier
  190. Glassware CCA 9-pin PDF
  191. Replacement for the tube 6922 (ECC88)?
  192. Which probes for my first scope?
  193. PP CATHODE BIAS WITH "CCS"
  194. current output tube amplifier
  195. Tube amp for a small room (newbie-like)
  196. What is this old thing from1929?
  197. Arduino cathode current HT etc
  198. Bizzare Output Transformer Connectivity...
  199. OPT to KT88?
  200. Help needed on identifing tube
  201. Amplifier circuit from tube radio
  202. Amplifier circuit from tube radio
  203. Using Valves Library in EAGLE CAD
  204. Biggest noval power pentode?
  205. Akita 12V preamp thoughts
  206. Help, what is this (Marconi 6204) ?
  207. Anyone try DHT 33 or 1Q5 Pentodes wired as Triode?
  208. Would this be a good buy?
  209. Looking for a complete DIY Tube amp
  210. Schematic by TS LIM Pre-amp
  211. Fisher Model 100 'AZ' Mono Amp Rebuild w/ Oscillations
  212. Measuring inductance
  213. Leak stereo 20
  214. Gain and gm of a QQE03/20 anyone ??
  215. Power supply options for tube amplifiers.
  216. CCS question mA
  217. Help wanted with testing and finetuning.
  218. YAQIN VK2100 pre amp
  219. Identify record player and valve
  220. AC Line Filter
  221. blue flash inside 5Y3GT
  222. Heater-Cathode Leakage
  223. Old Tube Kit
  224. Point to Point SET KT88/6550 Build
  225. D3a - MOSFET HYBRID CIRCLOTRON
  226. Aikido CCDA
  227. output impedance
  228. Bizzaro fix for hum problem needs explanation! Pretty Please
  229. Bizzaro fix for hum problem needs explanation! Pretty Please
  230. Questions regarding first build - K-502
  231. Good tube tech in Brooklyn NYC?
  232. Looking for LTspice tube models
  233. Audio Research SP15 : faulty phono stage
  234. Spark 810 looking for the diagram
  235. HP 8903B Question ?
  236. 1955 Hammond Organ Tube Amp
  237. Suggestions Please
  238. Croft Series 4 PL519 regulator
  239. Rectifier ID
  240. Adding headphone output to Darling amp
  241. CLC vs CLCLC Filter Power Supply
  242. Where to get Vacuum Tube Valley magazine?
  243. Magnavox 8802 HELP!!!
  244. Vaa for KT120
  245. Tubes in a Home Theater?
  246. Yaqin mc 10l tube risers?
  247. Wiring an LED strip into an amp?
  248. Need a bit more power :)
  249. yaqin 100b kt88-98 bulb blown and smoking coming from the amp
  250. Amp. 2x5W RV12 P2000driver RL12 P10 final

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