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  1. Using a CCS on SE Output Stage
  2. First amp build... help please!
  3. multiple independent grid biasing from 1 mosfet
  4. Eico HF-81 modification opinion
  5. 4K or 5K Output Transformer
  6. Noisy input on Michaelson & Austin TVA-1
  7. Precision Electronics S-35 help,
  8. Rogers Cadet 3 Problem
  9. Triode Electronics VS Hammond
  10. TRIODE OPERATION USING THE SCREEN GRIDS AS THE CONTROL GRID - this work ?
  11. Start up delay needed???
  12. Connecting a stereo amp as a mono-block
  13. HQ-DHT (All tube DHT amli) 26-45-2A3
  14. 24A tube in triode mode, help !!!
  15. Amperite Ballast
  16. Need super quiet 6.3V filament supply schematic
  17. (Sound Space)Houston 2A3 Power Amplifier
  18. James Burgess 2A3 Monoblocks
  19. Funny tube tale from southamerica
  20. RCA 7189 Black Plates
  21. Preamp nasty noise and hum
  22. EDCOR VS One Electron
  23. Parallel output tubes/valves in push pull. Advantages/disadvantages?
  24. Robinhood output transformers?
  25. looking for help diagnosing volume loss on tube amplified reel to reel player
  26. Question about power consumption Hagerman Cornet Octal
  27. valve rectifier in PSUD
  28. Can you explain what this is ?
  29. volume rise with frequency problem
  30. 1 + 1 = 3 :)
  31. What would the perfect multi-way speaker for a tube amp look like?
  32. GU50 compared with EL84
  33. Counterpoint SA-4 manual and schematics
  34. Ever heard of a Valvo 16ECC ?
  35. the Reversal SRPP
  36. Want to build a C3G linestage
  37. 30A5 tubes
  38. Good speakers to match a K-12
  39. Driving Long Cables, how much current?
  40. twin triode question
  41. Am I going to blow up my 7189s
  42. How is wattage calculated when only using a single section?
  43. Counterpoint SA5 problems and a question.
  44. Headphone Amplifier 6922EH
  45. Fuse Clip for Small Plate Cap Use
  46. Advice sought on medium power triode for tube headphone amplifier
  47. Not the 111M; A Precise 116 Tube Tester
  48. Input stage
  49. Does anyone have any FFT plots from real Class-AB tube amps?
  50. Testing for a Damaged Output Trafo
  51. What has happened to WE Huntsville lately?
  52. Output Transformers Sun HCT 1003 KT
  53. Plexiglass case for small tubes?
  54. 100 Best Sound Tubes
  55. Input tube bias
  56. eschematic amplifier sinle end 12at7 6av6 6bq5
  57. Wiring - Audio Note Transformer Parallel Single-Ended 300B
  58. HV using zener diode
  59. Akai M8 rebuild up and running!
  60. Best current production 2a3
  61. what happens when plugging a stereo source into mono jack on a tube amp?
  62. Transformer coupled Gainclone idea.
  63. Audio Research VT100
  64. output transformer turns per volt
  65. valves and metal cones= bad mating?
  66. Why do you need a grid to ground resistor on a line stage?
  67. Need some help with RIAA Preamp
  68. Swapping transformer cores
  69. got hold of a bunch of tubes...
  70. output transformer secondary configuration
  71. WE/Ultrapath B+ Where?
  72. Blending 12ax7 parallel gain stages
  73. Sudden spark.
  74. Priboj Reborn
  75. Misunderstand of sijosae schematic
  76. 12AX7 Identification
  77. GM70 Datasheet Error!!
  78. Using old Hammond iron
  79. Need confirmation on LED bias for circuit
  80. Tone control problems
  81. Tube Parameter "Attenuation, Harmonic" What is it?
  82. Bias adjust on '65 Twin Reverb Reissue AB763 - 2004?
  83. Need HELP on Randall RGT100ES 6L6 to EL34
  84. Tube amp with Dual Triode
  85. Fisher X-101-C bias question
  86. DC Current-Regulated 300B filaments?
  87. Anyone ever use DC to heat rectifier tubes?
  88. Tantalum Resistor Watt?
  89. Help Choosing Power Supply Voltage Regulator Aikido Phono Amp
  90. Best sounding remote control volume
  91. plate and screen voltage
  92. 12AT7 plate voltage
  93. Latest LTspice giving crazy FFT results
  94. Dynakit PC-3A as a balance pre?
  95. e283cc better sounding than?
  96. Porchlight Scratchbuild
  97. No output and Loud squeals! Help!
  98. Low mu triode for phase splitter
  99. Help figuring which is the center tap???
  100. Help with Paco SA-40
  101. Best tube/sonics
  102. One Half 12AU7
  103. 1939 Novachord - 163 Tube Monster!!
  104. Gyrators to replace PSU chokes?
  105. Output trannies for 6as7
  106. 2 Toroids = 1 Isolation Transformer?
  107. Finding Transformer Building Supplies
  108. Sagging Heaters
  109. Kofi Annan in: "Kofi's Baby Huey"
  110. Point to point wiring help
  111. help !! PTT2s Line stage
  112. Rickard Berglund, Sweden
  113. "The Sussex Homebrew Valve Tester"
  114. clipping
  115. Wanted: a couple of UNF bolts
  116. H-Bridge Amp Design
  117. need help with yaqin mc10l
  118. Watt the?
  119. DIY tube preamp with 5687
  120. Help with tube stereo build
  121. Tube recommendation for speakers
  122. Bogen mx60a Schematic
  123. Eliminating volume pot?
  124. CXPP100-MS-3.3K or CXPP100-MS-4.2K
  125. tube power supply voltage
  126. Driver Bypass Cap - Value?
  127. Tube bases and plate caps rant
  128. tube dual regulated psu needs amp
  129. Help me choose output transformers
  130. 12GT5-guitar amp.
  131. Verdier dual regulated tube psu
  132. Aikido Phono Amp Output Tubes 12AU7 and 12AX7?
  133. Mullard EL84 ID
  134. schematic request for transformer with 4k primary and UL taps
  135. Plate-Grid feedback: How to get better than DHT performance from cheaper tubes
  136. Anyone going to the Dayton Hamfest?
  137. More class D madness
  138. the SuperHybrid
  139. Tecon Model "55" final mods(?)
  140. Hammond P-T125E OPT
  141. Highbred Amp "TUMOS" Sounds good?
  142. 300B SET which chassis design
  143. Help with creating a simple tube HV regulated supply
  144. Tube Sockets for oddball miniatures
  145. McGohan M506 PA Guitar conversion mods.
  146. Bogen chb35a
  147. My last el84 PP tube amplifier
  148. Ultrapath - Advantages?
  149. Phono preamp with c/em2
  150. 12AY7 plate current
  151. OPT identification
  152. Resistor values at supply to anodes
  153. Typical output impedance for tube amps
  154. Problems with EM87 stereo level indicator for computer line out
  155. VR tube recommendation
  156. Mills MRA-5 resistors in tube circuits
  157. B&K Dyna-Quik 500 shows good tubes as Shorted
  158. Output transformers
  159. dbx 386 upgrade
  160. Sub 6n6p for 6n1p?
  161. SET Amp History in Japan
  162. Grid Bias or Cathode Bias
  163. Oscillating CJ PV-5
  164. FireFly Single Ended Tetrode
  165. Aikido front end for a SE 6C33S
  166. Ground Plane vs Star earth
  167. Circuit board with long post??
  168. ecc804 as Phase Splitter
  169. What can you do with a 3a5?
  170. Auto Wave soldering sockets
  171. Using diode for biasing
  172. No bass in 300b amp
  173. Tube socket and pin cleaning
  174. Help With Left Channel Hum
  175. Volume pot has rustling sound
  176. How best to distribute heater windings
  177. 30MB6 data
  178. Kofi Annan in: "Pushed and Pulled Back!"
  179. How dangerous is it to build an SET?
  180. 6as7 SE OTL
  181. Melody Roll
  182. 8417 Output Transformer
  183. Do you still need matched tubes if running a CCS ?
  184. Is a LM335 a direct replacement for a LM317T?
  185. Bias worry
  186. About the tube 6463
  187. awesome RCA MI 12158 tube amp project
  188. Crazy idea: Output tranny with constant magnetic gap?
  189. Most linear triode-strapped pentode
  190. Aikidio Phono Amp Questions
  191. Sample and Hold
  192. Big push-pull power for dummies
  193. Foxtrot Guitar Amp - Output transformer
  194. Taking my KT88 SE E-linear amp to the next level (long)
  195. Aikido Janus Shunt PSU
  196. 12b4a phase splitter! The best?
  197. Sansui 500EA vs. 500A
  198. Cascoded Ring of Two for Plate Load
  199. 6SL7 distortion
  200. My new PL36 Push-Pull amp
  201. adding line out to guitar tube preamp
  202. Thyratrons
  203. Tube ampl. for repair
  204. Date codes
  205. China Sountrack KT88 need shematic
  206. Anyone know anything about the Luxman A-2003 tube xover?
  207. Dynamic negative feedback?
  208. Need help with Ampeg J-20 crackling buzzing hissing noise issue/blocking distortion?
  209. New bie: some questions, want to start DIY pre amp
  210. Power Transformer issue
  211. Guess That Tube
  212. Poor soundstage with SET 300B
  213. Dedicated ESL amp -- please comment
  214. Buzzing AC relay coil
  215. Stereo amp parallel wired to mono - possible?
  216. Need biasing advice, cathode biased amp.
  217. Before I go ahead and build this...
  218. Beginner Tube Stereo
  219. 6AU6 and 6J5 for Guitar amp or pedal?
  220. Morgan Jones and the ECC88/6922/6DJ8
  221. Help with matching speaker impedance to old tube amp
  222. srpp 2a3 power supply
  223. 12AX7 Tube Question
  224. New problem with Music Angel KT88
  225. Need help changing 12V heater to 6V
  226. Phono cathode follower challenge!!
  227. 6au6 for stereo?
  228. determining input/output impedance
  229. "Singing" output transformers
  230. Sustitute 5842 for EC86
  231. Vege-toobz ;)
  232. precision electronics inc. tube guitar amplifier
  233. Bad channel in RCA Victor Console
  234. Did tone bypass on PAS what about caps
  235. Pe06/40n
  236. Anyone own an HH Scott LK-72 Integrated amp?
  237. HELP!! Howling K12G!!
  238. McIntosh MC60 Bias question
  239. Connecting a MF tube buffer directly to AKM DAC
  240. How to evaluate RF tubes for power and fidelity?
  241. Amity Amp Nutshell Audio
  242. 8086 Tubes?
  243. Lil' Devil P-P Amp
  244. 6SN7 vs. 6SL7 in Darling amp
  245. BBC AM8/6 mono tube amp schematic
  246. ST70 works with PAS but not another preamp
  247. Freds in 6X5 psu?
  248. Hi-End 50W Push-Amplifier inspired to AudioResearch
  249. Audioromy fu-29 - push pull!
  250. Help - MS-6V6 Yaqin schematic

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