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  1. old console amp
  2. st35 vs millett DCPP vs tubelab simple SE
  3. New Tim Mellows OTL project
  4. Melted my mains transformer - Where to find replacement ?
  5. Strange.................
  6. Effect of high mains voltage?
  7. Kent SL 21 Tube head need help!!
  8. Hexfred or SIC rectifiers in choke supplies
  9. 'Strange' bass boost with impedance transformer
  10. Did my tubes go south ?
  11. Use of Tango NN-600-600 Transformers ?
  12. Anyone have an explanation for break(burn)in
  13. The Right Tube & TRannie
  14. 6SL7 / 6SN7 Phono
  15. Tube integrated amp in China.
  16. Power supply issues with Borbely style 12AU7/MOSFET hybrid
  17. heater elevation ground point
  18. Edison 12, can anyone help?
  19. Delay B+ using relay?
  20. New Schematic Linestage Tube Preamp using EF86 & 12AX7
  21. Phonostage (WAD clone) and 12B4A Preamp Build
  22. Interstage coupling feedback
  23. Just received a Yaqin MC-10T and have a couple of questions.
  24. Amplifier Troubleshooting
  25. Audio Preamplifier with PCC88
  26. Need Help With These TriodeDick Preamp Scematics
  27. I need help with my amp project
  28. Looking for unbalanced to balanced transformer
  29. Power Transformer Question
  30. My First Tube Amp Project S5 K-12G
  31. 6E2 vacuum tube compatibility
  32. Tube condenser microphone help!
  33. Audio transformer feedback loop
  34. yaqin vk amp without the loudness button uk version
  35. PP driver stage with local feedback
  36. Leader LAG-120B Audio Generator Manual Wanted
  37. Transformer brand question
  38. Single ended at 24Vcc 1+1W @ 8 ohm - three tubes
  39. EL41 PP power supply questions
  40. Reduce output on a ECC88CC class A pre-amp !
  41. SE OT impedance question
  42. DIY Tube amp book?
  43. 6P6P tubes?? will 6V6's work?
  44. RH84 amplifier build, but very weak distorted output
  45. Paralleling filament transformers
  46. 6ak5 triode mode disipation
  47. Equalize or Not Equilize when driving a tube amp ?
  48. How to retire from DIY and sell off all your workshop contents?
  49. New to tubes and diyaudio here, question about torrids and tube amps...
  50. PC Based Oscilliscope for Tube Curcuits
  51. Lamp in HV Centre Tap - why?
  52. EL156 PP
  53. 300B resistor
  54. Has anyone here bought from ussr-tubes.com ?
  55. Which cathode bypass capacitor?
  56. RIAA Schematic for-6SL7,7308 or?
  57. Chassis' for Tube Gear
  58. Convergent Audio Tech SL1 preamp
  59. Buy Them While You Can Not When You...
  60. Does anyone know of Thomas Martens?
  61. OTL for 40-80ohm speakers
  62. Morrison Dinosaur
  63. pcl86=14gw8 ??
  64. My little SE with GU50
  65. Source follower in a DC-coupled pp amp?
  66. Tube chassis for retail sale.
  67. Poor man's power supply
  68. High voltage driver for AB2 operation GU81m tubes
  69. 5AR4 rectified power supply question
  70. Direct Coupled Amp
  71. Is this EL84 kit from Germany worth fooling with?
  72. 6v6 PP Pentode mode
  73. 5 pin octal tube socket
  74. RCA Manual Typo?
  75. pete millet low mu preamp
  76. Capability to drive the 211 PP
  77. 6BG6G SE advice needed.
  78. Signal Generator: Which one to buy ? What to look for in a signal generator ?
  79. Power booster
  80. I've just build this steroe amplifier
  81. What amp to build? Push Pull, SE? thoughts?
  82. amp sounds bad- fatman itube 252
  83. 6C33 single ended class A2 (cathode network question)
  84. Sweet Peach EL34b Amp - Distortion?
  85. 6C33C socket types, where to buy?
  86. haedphone amp. using 6418< NEED HELP
  87. finished my 6au6/807 amplifier
  88. Thinking about building an S5 16LS 16W amp I've got some questions for the forum./
  89. Broskie "Unbalancer" - transformer specifications
  90. Tube chess.
  91. How Its Made - Vacuum Tubes
  92. Please help me understand power supply load
  93. 12AU7 - How absolute are maximum ratings?
  94. Tube rejuvination
  95. Article: Samsung brings back tubes in audio dock
  96. 1st build suggestions
  97. Parallel SE output
  98. Fixed Bias question
  99. vintage ua 610 schematic
  100. Which KT88 PP and which Transformers?
  101. Some more special small-signal tv tubes
  102. MR 67 Coupling Caps
  103. Help - YAQIN MS-20L schematic
  104. Power and Speaker cables
  105. v1 tube keeps going microphonic help! 5e3 build
  106. Leak TL12+ with triode mode EF86
  107. diy tube dampers
  108. VTVM troubleshooting help
  109. PP amp crossover distortion
  110. Sanity check please? ST-70(-ish) power supply
  111. Thoughts of apparent noise on ground - due to power tx?
  112. hybride circlotron
  113. Clone
  114. 8156 Beam Pentode Compactron
  115. DOUBLE TRIODE (6N16B)
  116. looking for Tube I/V analog for dac schematic ?
  117. NewBee PPEL84
  118. Whooaa! Now we're talking.
  119. Cinema Engineering AT-18
  120. Back from school
  121. Amp ideas for my spare 3.3k output transformers.
  122. HEllo and a few suggestions please
  123. 1SH24B Pre-Amp (or buffer?)
  124. Anode cap for GU 29 / QQE06/40
  125. Back to back autotransformers for B+?
  126. Sound Valves M60 schematics
  127. Volume Pot for RH84
  128. Mengyue mini el34b
  129. Which Chinese integrated tube amp have the power for Rock Song ?
  130. Help on transformers please
  131. 300B alternatives
  132. Anybody using a tube amp in their car?
  133. What is a KT88-98?
  134. 6au6 line stage a bad idea?
  135. Making a Kron tube
  136. AY Symphonies preamp
  137. Need to Upgrade Tube Preamp Volume Pot
  138. Tubelab Simple SE low B+
  139. Filament AC or DC?
  140. rasping sound from Dared VP-16
  141. Anyone have any "small signal" pentode models?
  142. Power amp distortion for modern amps
  143. Help with EL504-based amplifier
  144. Tubes: Are they worth it?
  145. Radio Shack Boston Monobloc (fuse question)
  146. 829B 3E29 Pentode PPP?
  147. Fixed Autobias?
  148. Best wishes
  149. Radiotron A504 amplifier schematic
  150. Blown power tube - a short story
  151. Hickok 752A calibration?
  152. replace EL34 with EL37 !?
  153. Mono push-pull driver PCB
  154. Magnavox 139AA schematics, info?
  155. Anyone knows what driver tube on DowdyLama's GM-70......
  156. Building an amp around the QB5/1750 transmitter tube
  157. Instrument amp from '59 Lowrey donor chassis.
  158. cascoded gyrator loaded 6H9C to low idle.
  159. vacuum tube DAC and connection
  160. Dynaco ST70 II Right Channel Out
  161. ST70 Inrush Issue
  162. ECC88 OTL heaphone amp
  163. Help with deciding to build or buy Tube amp.
  164. Luxman LV-105 static on on channel
  165. equivlent of FU-50
  166. placing the volume control
  167. PP 300B ''transformer coupled''
  168. My First Tube Preamp
  169. Tube amp kit and speaker recommendations?
  170. First design GU81M SE triode
  171. Instruments & Amps forum - where is it?
  172. Power supply capacitor question for tubelab simple ss
  173. EL300 = 6FN5 / PL300 = 35FN5 tube
  174. 6U8 driving 45
  175. very low impedance white follower with 6H13C
  176. EL86 Any idea helps.
  177. 6112 and 6111 Mini-preamp
  178. Expert advice on what preamp to chose
  179. Harman Kardon DPR-7, Commander series pre/mixer
  180. input transformer - mumetal casing etc.
  181. Oil-filled caps: ASC versus Panasonic
  182. SOHA headphone amp
  183. Using a single triode as a .......
  184. Sonic Frontiers SFP-1 Phono Stage
  185. Help!! with attenuation.
  186. power up inrush current limiter - anyone using?
  187. Audioromy FU-29, Latest Model 828A Mini Review
  188. Vertical-deflection
  189. Drilling a hole
  190. Edcor CXPP25-MS-8K V Triode Z-565
  191. bad opt measured values
  192. Mu Follower Driver for Push-Pull
  193. Hickok 539 question...
  194. need datasheets for a phillips transformer if anyone has any
  195. Chicago power XFMR question.
  196. Coupling Capacitor - Pls Help
  197. Help please on Christmas gift
  198. Audio Note P-zero
  199. SE EL34 Schematic - What do you think?
  200. Playing with hybrid amp: SRPP + MOSFET
  201. 300B filament supply question
  202. KT88 Parallel Push Pull
  203. cheating life out of old tubes?
  204. dBu transformer ratings
  205. Dared MP-2a3c mods
  206. Output transformers (Wolpert)
  207. Using Mains Transformers as Outputs
  208. Tube just for show...
  209. first project - first post - poddwatt
  210. High power CCS
  211. Analog Summing
  212. My new el34 + 12ax7 VCT amp. (Need Ideas For my first headphone vacuum tube amp Too~)
  213. cascode tubes
  214. High Fidelity by Pilot (circa 1953)
  215. Hardware help please
  216. integrated amps 100 per channel
  217. KT88 mounting question
  218. Output Transformer question
  219. Angstrom Thermionic
  220. ECC88 tube buffer NEEDED !
  221. Marshall 8080, missing components
  222. Paralell SE 807 Amp design
  223. Putting together a tweaker friendly amplifier!
  224. Tube chassis
  225. DHT headphone Hybrid-CF+
  226. Looking for specs on this Beyer Xfmr
  227. Resistors for Berning EA-2101?
  228. Uneven Plate Glow
  229. Parafeed transformer sounds thin
  230. Lightbulbs as ccs
  231. My AWESOME First DIY amp
  232. Cary audio design SLI 80
  233. A1538 OPT?
  234. Genalex A2900 Keep or Sell?
  235. 6CB6 Spice Model wanted
  236. XFMR Help?
  237. 12 volt to 300 volt inverter question for tubes
  238. These amps should be verboten!
  239. how to use PCL86 instead of ecl86
  240. PSU for Aikido (4x 12SN7)
  241. SCA35 and AU-70
  242. Analisys of power amp limitations of tube bias range
  243. DIY Phono Preamp ??
  244. NOS 211 RCA or National Union?
  245. Iron Powder + Resin Output Transformer
  246. The Radio Hat Challenge
  247. EU regulations
  248. Transconductance for kt-90 in plain english
  249. Craftsmen RC-2
  250. Valve Amplification Company V100

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