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  1. Shizuki capacitors?
  2. Spectrum Analyzer: What to get ? What to look for in a spectrum analyzer ?
  3. Amperex Orange Globe 12ax7 ,Brimar cv4004
  4. Question about transformer lamination stacking techniques
  5. line preamplifier with 6c10
  6. Homebrew Toroidal Output Transformer
  7. Line output tube
  8. MJK's SSSchadeode
  9. Any one know were to buy the fu-80 tube?
  10. Maida Regulator PCB
  11. Suggestions for 7k output transformers.
  12. Help: Fluke 87V Meter Calibration
  13. Searching for Primaluna Prologue Three schematic
  14. JCM Build - Hum and Crackle
  15. Silvertone radio to Guitar Amp conversion question.
  16. Pentode Regulation Question
  17. pentodes with CCS load?
  18. Are these tube PCBs any good ?
  19. china 6L6 SEdiy
  20. What are your opinions of the ST-70 and St-120
  21. Baffle Step Compensation Tube Circuit
  22. 6L6 to 7027 cathode resistor value
  23. PCB to mount snapmout electrolytic capacitors
  24. Dared MC-7P Upgrades
  25. adapter to go from 6L6 to 807
  26. My Experience with a Jolida 202s (SoFar..)
  27. Cathodyne gain calculator link
  28. Dynakit ST-35?
  29. PSUD modeling old amp PS fails.
  30. Fisher 800 push-pull output stage not symmetrical. Why?
  31. Question of D3a driving 300B
  32. old console amp
  33. st35 vs millett DCPP vs tubelab simple SE
  34. New Tim Mellows OTL project
  35. Melted my mains transformer - Where to find replacement ?
  36. Strange.................
  37. Effect of high mains voltage?
  38. Kent SL 21 Tube head need help!!
  39. Hexfred or SIC rectifiers in choke supplies
  40. 'Strange' bass boost with impedance transformer
  41. Did my tubes go south ?
  42. Use of Tango NN-600-600 Transformers ?
  43. Anyone have an explanation for break(burn)in
  44. The Right Tube & TRannie
  45. 6SL7 / 6SN7 Phono
  46. Tube integrated amp in China.
  47. Power supply issues with Borbely style 12AU7/MOSFET hybrid
  48. heater elevation ground point
  49. Edison 12, can anyone help?
  50. Delay B+ using relay?
  51. New Schematic Linestage Tube Preamp using EF86 & 12AX7
  52. Phonostage (WAD clone) and 12B4A Preamp Build
  53. Interstage coupling feedback
  54. Just received a Yaqin MC-10T and have a couple of questions.
  55. Amplifier Troubleshooting
  56. Audio Preamplifier with PCC88
  57. Need Help With These TriodeDick Preamp Scematics
  58. I need help with my amp project
  59. Looking for unbalanced to balanced transformer
  60. Power Transformer Question
  61. My First Tube Amp Project S5 K-12G
  62. 6E2 vacuum tube compatibility
  63. Tube condenser microphone help!
  64. Audio transformer feedback loop
  65. yaqin vk amp without the loudness button uk version
  66. PP driver stage with local feedback
  67. Leader LAG-120B Audio Generator Manual Wanted
  68. Transformer brand question
  69. Single ended at 24Vcc 1+1W @ 8 ohm - three tubes
  70. EL41 PP power supply questions
  71. Reduce output on a ECC88CC class A pre-amp !
  72. SE OT impedance question
  73. DIY Tube amp book?
  74. 6P6P tubes?? will 6V6's work?
  75. RH84 amplifier build, but very weak distorted output
  76. Paralleling filament transformers
  77. 6ak5 triode mode disipation
  78. Equalize or Not Equilize when driving a tube amp ?
  79. How to retire from DIY and sell off all your workshop contents?
  80. New to tubes and diyaudio here, question about torrids and tube amps...
  81. PC Based Oscilliscope for Tube Curcuits
  82. Lamp in HV Centre Tap - why?
  83. EL156 PP
  84. 300B resistor
  85. Has anyone here bought from ussr-tubes.com ?
  86. Which cathode bypass capacitor?
  87. RIAA Schematic for-6SL7,7308 or?
  88. Chassis' for Tube Gear
  89. Convergent Audio Tech SL1 preamp
  90. Buy Them While You Can Not When You...
  91. Does anyone know of Thomas Martens?
  92. OTL for 40-80ohm speakers
  93. Morrison Dinosaur
  94. pcl86=14gw8 ??
  95. My little SE with GU50
  96. Source follower in a DC-coupled pp amp?
  97. Tube chassis for retail sale.
  98. Poor man's power supply
  99. High voltage driver for AB2 operation GU81m tubes
  100. 5AR4 rectified power supply question
  101. Direct Coupled Amp
  102. Is this EL84 kit from Germany worth fooling with?
  103. 6v6 PP Pentode mode
  104. 5 pin octal tube socket
  105. RCA Manual Typo?
  106. pete millet low mu preamp
  107. Capability to drive the 211 PP
  108. 6BG6G SE advice needed.
  109. Signal Generator: Which one to buy ? What to look for in a signal generator ?
  110. Power booster
  111. I've just build this steroe amplifier
  112. What amp to build? Push Pull, SE? thoughts?
  113. amp sounds bad- fatman itube 252
  114. 6C33 single ended class A2 (cathode network question)
  115. Sweet Peach EL34b Amp - Distortion?
  116. 6C33C socket types, where to buy?
  117. haedphone amp. using 6418< NEED HELP
  118. finished my 6au6/807 amplifier
  119. Thinking about building an S5 16LS 16W amp I've got some questions for the forum./
  120. Broskie "Unbalancer" - transformer specifications
  121. Tube chess.
  122. How Its Made - Vacuum Tubes
  123. Please help me understand power supply load
  124. 12AU7 - How absolute are maximum ratings?
  125. Tube rejuvination
  126. Article: Samsung brings back tubes in audio dock
  127. 1st build suggestions
  128. Parallel SE output
  129. Fixed Bias question
  130. vintage ua 610 schematic
  131. Which KT88 PP and which Transformers?
  132. Some more special small-signal tv tubes
  133. MR 67 Coupling Caps
  134. Help - YAQIN MS-20L schematic
  135. Power and Speaker cables
  136. v1 tube keeps going microphonic help! 5e3 build
  137. Leak TL12+ with triode mode EF86
  138. diy tube dampers
  139. VTVM troubleshooting help
  140. PP amp crossover distortion
  141. Sanity check please? ST-70(-ish) power supply
  142. Thoughts of apparent noise on ground - due to power tx?
  143. hybride circlotron
  144. Clone
  145. 8156 Beam Pentode Compactron
  146. DOUBLE TRIODE (6N16B)
  147. looking for Tube I/V analog for dac schematic ?
  148. NewBee PPEL84
  149. Whooaa! Now we're talking.
  150. Cinema Engineering AT-18
  151. Back from school
  152. Amp ideas for my spare 3.3k output transformers.
  153. HEllo and a few suggestions please
  154. 1SH24B Pre-Amp (or buffer?)
  155. Anode cap for GU 29 / QQE06/40
  156. Back to back autotransformers for B+?
  157. Sound Valves M60 schematics
  158. Volume Pot for RH84
  159. Mengyue mini el34b
  160. Which Chinese integrated tube amp have the power for Rock Song ?
  161. Help on transformers please
  162. 300B alternatives
  163. Anybody using a tube amp in their car?
  164. What is a KT88-98?
  165. 6au6 line stage a bad idea?
  166. Making a Kron tube
  167. AY Symphonies preamp
  168. Need to Upgrade Tube Preamp Volume Pot
  169. Tubelab Simple SE low B+
  170. Filament AC or DC?
  171. rasping sound from Dared VP-16
  172. Anyone have any "small signal" pentode models?
  173. Power amp distortion for modern amps
  174. Help with EL504-based amplifier
  175. Tubes: Are they worth it?
  176. Radio Shack Boston Monobloc (fuse question)
  177. 829B 3E29 Pentode PPP?
  178. Fixed Autobias?
  179. Best wishes
  180. Radiotron A504 amplifier schematic
  181. Blown power tube - a short story
  182. Hickok 752A calibration?
  183. replace EL34 with EL37 !?
  184. Mono push-pull driver PCB
  185. Magnavox 139AA schematics, info?
  186. Anyone knows what driver tube on DowdyLama's GM-70......
  187. Building an amp around the QB5/1750 transmitter tube
  188. Instrument amp from '59 Lowrey donor chassis.
  189. cascoded gyrator loaded 6H9C to low idle.
  190. vacuum tube DAC and connection
  191. Dynaco ST70 II Right Channel Out
  192. ST70 Inrush Issue
  193. ECC88 OTL heaphone amp
  194. Help with deciding to build or buy Tube amp.
  195. Luxman LV-105 static on on channel
  196. equivlent of FU-50
  197. placing the volume control
  198. PP 300B ''transformer coupled''
  199. My First Tube Preamp
  200. Tube amp kit and speaker recommendations?
  201. First design GU81M SE triode
  202. Instruments & Amps forum - where is it?
  203. Power supply capacitor question for tubelab simple ss
  204. EL300 = 6FN5 / PL300 = 35FN5 tube
  205. 6U8 driving 45
  206. very low impedance white follower with 6H13C
  207. EL86 Any idea helps.
  208. 6112 and 6111 Mini-preamp
  209. Expert advice on what preamp to chose
  210. Harman Kardon DPR-7, Commander series pre/mixer
  211. input transformer - mumetal casing etc.
  212. Oil-filled caps: ASC versus Panasonic
  213. SOHA headphone amp
  214. Using a single triode as a .......
  215. Sonic Frontiers SFP-1 Phono Stage
  216. Help!! with attenuation.
  217. power up inrush current limiter - anyone using?
  218. Audioromy FU-29, Latest Model 828A Mini Review
  219. Vertical-deflection
  220. Drilling a hole
  221. Edcor CXPP25-MS-8K V Triode Z-565
  222. bad opt measured values
  223. Mu Follower Driver for Push-Pull
  224. Hickok 539 question...
  225. need datasheets for a phillips transformer if anyone has any
  226. Chicago power XFMR question.
  227. Coupling Capacitor - Pls Help
  228. Help please on Christmas gift
  229. Audio Note P-zero
  230. SE EL34 Schematic - What do you think?
  231. Playing with hybrid amp: SRPP + MOSFET
  232. 300B filament supply question
  233. KT88 Parallel Push Pull
  234. cheating life out of old tubes?
  235. dBu transformer ratings
  236. Dared MP-2a3c mods
  237. Output transformers (Wolpert)
  238. Using Mains Transformers as Outputs
  239. Tube just for show...
  240. first project - first post - poddwatt
  241. High power CCS
  242. Analog Summing
  243. My new el34 + 12ax7 VCT amp. (Need Ideas For my first headphone vacuum tube amp Too~)
  244. cascode tubes
  245. High Fidelity by Pilot (circa 1953)
  246. Hardware help please
  247. integrated amps 100 per channel
  248. KT88 mounting question
  249. Output Transformer question
  250. Angstrom Thermionic

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