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  1. LM4702+6L6GB/807
  2. TubeAudio Mixer Blog
  3. Finally started on my 6L6 amp. Need tube suggestions.
  4. Just another Scott thread
  5. Design for overdriven output stage
  6. Seeking Articals On Audio Transformer Design & Construction.
  7. Bias el34 pp
  8. Photo Gallery.
  9. Precision S35
  10. 6L6WGB
  11. 6BQ7A Driver
  12. Advise for Simpson 340 signal generator problem
  13. Armaco TTHF or Calrad AP 15 What to do What to do?...
  14. Screen Power and Warmup
  15. Wanting copies of Prof. Alexander Bereskin's transformer winding pictures.
  16. Edcor CXSE25-8-3.2K or Transcendar TT-017-OT?
  17. PP 2A3 Fixed Bias
  18. RL12P35 convert to el34
  19. Statistical regulator from VA 4rd edition
  20. Matching Impedances (the Math behind it) Please Advise if you have a grasp. Xfmrs etc
  21. Help 6AQ5 pushpull
  22. HV Logic Control Approach
  23. Valve heater question
  24. Phase inverter adjustment - Fisher 80AZ
  25. Repurposing a Bogen CHB-35A
  26. SMPS
  27. Interstage and bias failure
  28. Grid 2 current for GU19-1
  29. 6x5 tube
  30. IT coupled 6BG6GA
  31. Mystery noise has got me baffled
  32. Dynaco PAS: too much liposuction?
  33. LP Tape Noise
  34. YAKOV ARONOV MA-100
  35. Help for balance-tone control-mode selector bypass
  36. Design of transformers for valve amplifiers
  37. Opinions please: seeking a first class DIY SET amp design
  38. PSU for 6N6P
  39. HOT B+ capacitors!
  40. Analog meter monitoring HT supply
  41. Lamm LL2.1 DC Offset problem
  42. 6L6GT/6SJ7 Valve Amp DIY
  43. BHExchange for BottleHead's
  44. 6BY5GA elevated heater question
  45. Tone controls
  46. EL84 "IP" questions
  47. KIT Single ended KT88
  48. HELP needed - LEAK Varislope 2 Stereo + Stereo 20 with pictures...
  49. All tube cap tube amp?
  50. 12AX7 preamp for DAC
  51. Grid resistors -> GND
  52. OTL headphone amp distorting & clipping: weak power supply?
  53. Broken bias resistors (Yaqin MC-10L)
  54. Tube Enclosure suggestion from Europe.
  55. Benefit/SQ of tube stage at the input of ss power amp
  56. Is 6907 and QQV03-20A tubes are same?
  57. Found some chokes
  58. 6SN7 at low plate currents
  59. 12AU7, 12BH7, Darker Less Bright Option
  60. Heater current effects
  61. Not using all the sections on multi-section cap
  62. DC heater supply dies on me
  63. 1972 Leak Varislope 2 Stereo
  64. OPT secondary ground, stacked supplies
  65. OTL for HeaPhone
  66. Voltage doubler and filament supply
  67. Please suggest me a 6V6 class AB amp
  68. Need Review of wiring up of this SRPP 6AS7 tube amp
  69. Hum in a triode 1H6G...help !
  70. 40w Class A PP KT66?
  71. My new small amp EL84 SE Triode
  72. tube preamp output impedance
  73. pete millet 807 amp
  74. Lost Negative Bias-Fixed Bias
  75. Aikido ('dead quiet') output impedance
  76. Looking for lineamp buffer schematics
  77. Nagra VPA 845
  78. How to match 6C45?
  79. Yet another question about cathode bias (led+pnp)
  80. Ideal System for 1960?
  81. What replaces an IN541 diode?
  82. Bottlehead Eros or Tube4Hifi PH16
  83. Psvane 2a3 T Mk II reliable vender
  84. Odd Wima cap markings
  85. Chinese Amp kit experience
  86. Considerations about headph. OCL
  87. Trying to solve a Plate Follower Problem
  88. Footprint Noval ECC83 Altium
  89. Interference in hybrid amp
  90. wiring DHT filaments with center tapped secondaries
  91. B+ of Curcio Daniel II
  92. Stepped Attenuators Questions
  93. Noisy Ground? (Probably not a loop)
  94. New Production Telefunken
  95. Tube horizontal mounting position
  96. "Ask Jan First" parts website in Germany
  97. EZ215 Stereo 5881 Amp Project
  98. CCS help dn2540 send 340v to the chassis
  99. That's What She Said RH84 Build Log
  100. Help figuring out this output transformer.
  101. 5881 PPP Cathode Bias B+
  102. Measuring DHT filament V with minimal effect.
  103. 100hz hum with Audio Research vs-55
  104. Volume potentiometer
  105. Driver for 2A3C
  106. Regulated B+ sounds worse?
  107. Sylvania console amp rebuild...
  108. E130L Micron
  109. Question Re: Ground Loop Breakers
  110. Source for D3A/7721?
  111. ID a salvaged choke
  112. Magnetwire gauge size converted to metric
  113. ccs what is the best way
  114. parafeed test/measurement setup question.
  115. how do balance pots work?
  116. Issue with parafeed in SPICE
  117. GU-50 Dissected
  118. Need help on ground wiring for Scott 222-B
  119. Heathkit A9-C Mod
  120. Need a 240v, 5vac - 6-10A rectifier transformer
  121. Free Canadian Westinghouse Receiver #101: Super Heterodyne
  122. 6AS7 SET amp discussion from Photo Gallery
  123. DHT 100hz hum
  124. HP 8903B and Pete Millett's Software Problem ?
  125. How to identify an ARC D70 version ?
  126. Valve amp first build - questions
  127. Transfrmer Impedance Question
  128. Disappointing results from RH84
  129. Anyone Loose a Counterpoint SA-5000?
  130. Installing a 610 in to a B&K 500
  131. My first tube preamp (4S)....
  132. Recycling old iron with stiff wires.
  133. 6EM7 as driver... help !!!
  134. changing R1 value in SE amp
  135. Heater CCS makes for low voltage
  136. DHT & Indirect on same line?
  137. Which tube preamplifier kit for LM3886 amplifier?
  138. budgie pre-amp
  139. ecl82 class A pp, need schematic
  140. Input low pass preferred method
  141. cary SLP50A
  142. se output options for single/balanced tda1541
  143. FM noise in Fisher 90-T in FM mode
  144. ST Triodes?
  145. TUBECAD SE.
  146. RH84 build with SS recto and voltage doubler (any input?)
  147. Tube identification
  148. Brand new cap overheating - argh
  149. High Power Valves
  150. Tubelab SSE B+ and cathode resistor questions
  151. HIFI world 6080 se
  152. EF86 triode question
  153. Connecting a Headphone Jack to a Preamp
  154. PSE 300B "French connexion"
  155. Making a custom tube characteristic graph
  156. 300B DRD power supply
  157. Insanely High Common Mode Voltage Shunt Measurement
  158. Heathkit AA-151 troubles
  159. Tube Power supply question...
  160. Noob question on power transformer primary input voltage
  161. Dynaco ST35 testing for a blown power transformer
  162. 6n6p tube buffer
  163. Welborne Labs
  164. GU-50 triode
  165. Help track down noise in gyrator
  166. Earphone Amp Improvements
  167. Protecting Wire
  168. 45 SET : tubelab vs get*set*go vs ?
  169. 6SL7 in Maggy 175 amp...
  170. Heater soft start for series-connected preamp valves
  171. low/no gain follower
  172. Data for 6BD2A or 6BD2
  173. isolation test
  174. Western Electric 437A preamp
  175. solid-state rectrification
  176. Class AB
  177. push-pull
  178. Need help ID tango-lookalike transformers
  179. TV Valves blast from the past..
  180. Tubes suggestions for parafeed headphones amp ?
  181. CCS Loadline
  182. Universal power supply for ECC85 EL84
  183. Conversion Project
  184. Dynaco PAS I/O PCB Grounding
  185. CCS for anode load
  186. OTL Power Supply: Halfwave vs Virtual Ground
  187. Can NOS tubes have emission staining on the glass?
  188. Pentode pre/compressor (warning nube attempt at circuit drafting) --suppressor grid
  189. Capacitor Drain for Tube Bench Power Supply ?
  190. Diodes, diodes, diodes...
  191. Grid leak resistors and dc-coupling
  192. Output transformer at speaker?
  193. Newbie just wondering if this PP amp looks ok
  194. 6P36S push pull HiFi amp
  195. Another Output Transformer Wiring Question
  196. Cathode bias for EL84 PPP
  197. Output Transformer Wiring Question
  198. NJ7P Tube Database
  199. solving my old radiogram sound issues - help
  200. 6H9c Idle Current.
  201. 12E1 SE amp suggestions.
  202. Direct Coupled Output Stage, DC Bias Balance
  203. Pre-amp tube suggestions for 2A3 output tube
  204. AirTight ATM-1 Schematic
  205. Counterpoint SA 5000 Service manual and PSU
  206. Rectifier tube ? - Berman 76 preamp
  207. Cathode feedback (SE amp)
  208. Will anybody interest in stamp size ccs module?
  209. Fairchild voltage questions
  210. Help with a Sylvania 7695 Project
  211. Flicker Noise dominates triode noise in audio (AES)
  212. A tube for SE with 1k-1k5 load
  213. scott stereomaster 233 restoration
  214. Homebrew Dynaco MkIII Problems - PLEASE HELP!
  215. What to do with C3g tubes
  216. Can anyone ID an output transformer's part number?
  217. Nestorovic NA-1 & Alpha-1 Schematics
  218. Data for 6BD2
  219. Ken Shindo R.I.P
  220. HiFi 6n9p EL34 B + 5z3p Class A Tube valve amplifier
  221. Seas Trym with SE KT88 amplifier?
  222. 845-Amp-IT-Coupled
  223. Data for 6RA3
  224. Miniwatt N3 not turning on!
  225. Help with tube for power supply...
  226. AVC vs TVC for 10y line preamp
  227. help needed with Lumley 120 monoblocks + Sonus Fabre speakers
  228. help on 845 amp
  229. High voltage power tube question
  230. Tribute OPT for PSE 300B
  231. Floating Paraphase.
  232. 6Q7G as driver in RH807
  233. Custom tubes4hifi m-125 monoblocks
  234. Antique Audio Preamlifier made in USA
  235. directly heated tube rectifiers
  236. Biasing a 12EA6 low voltage pentode
  237. Power supply doubt
  238. Vinyl Savor's Octal 6GL7 preamp?
  239. 837 tube
  240. Tone control bypass (Kontakt KT-7)
  241. drdwers
  242. Amplifier Sensitivity?
  243. identify nickel laminations
  244. Recapping Vintage EL84 amp
  245. Luxman Active 3-way Tube Crossover
  246. opinion on dynaco mark VI
  247. How can i have 450 Volts ?
  248. Balanced Preamp
  249. ecc99-300b
  250. Question about the tube specs/testing?

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