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  1. Kofi Annan in: "Pushed and Pulled Back!"
  2. How dangerous is it to build an SET?
  3. 6as7 SE OTL
  4. Melody Roll
  5. 8417 Output Transformer
  6. Do you still need matched tubes if running a CCS ?
  7. Is a LM335 a direct replacement for a LM317T?
  8. Bias worry
  9. About the tube 6463
  10. awesome RCA MI 12158 tube amp project
  11. Crazy idea: Output tranny with constant magnetic gap?
  12. Most linear triode-strapped pentode
  13. Aikidio Phono Amp Questions
  14. Sample and Hold
  15. Big push-pull power for dummies
  16. Foxtrot Guitar Amp - Output transformer
  17. Taking my KT88 SE E-linear amp to the next level (long)
  18. Aikido Janus Shunt PSU
  19. 12b4a phase splitter! The best?
  20. Sansui 500EA vs. 500A
  21. Cascoded Ring of Two for Plate Load
  22. 6SL7 distortion
  23. My new PL36 Push-Pull amp
  24. adding line out to guitar tube preamp
  25. Thyratrons
  26. Tube ampl. for repair
  27. Date codes
  28. China Sountrack KT88 need shematic
  29. Anyone know anything about the Luxman A-2003 tube xover?
  30. Dynamic negative feedback?
  31. Need help with Ampeg J-20 crackling buzzing hissing noise issue/blocking distortion?
  32. New bie: some questions, want to start DIY pre amp
  33. Power Transformer issue
  34. Guess That Tube
  35. Poor soundstage with SET 300B
  36. Dedicated ESL amp -- please comment
  37. Buzzing AC relay coil
  38. Stereo amp parallel wired to mono - possible?
  39. Need biasing advice, cathode biased amp.
  40. Before I go ahead and build this...
  41. Beginner Tube Stereo
  42. 6AU6 and 6J5 for Guitar amp or pedal?
  43. Morgan Jones and the ECC88/6922/6DJ8
  44. Help with matching speaker impedance to old tube amp
  45. srpp 2a3 power supply
  46. 12AX7 Tube Question
  47. New problem with Music Angel KT88
  48. Need help changing 12V heater to 6V
  49. Phono cathode follower challenge!!
  50. 6au6 for stereo?
  51. determining input/output impedance
  52. "Singing" output transformers
  53. Sustitute 5842 for EC86
  54. Vege-toobz ;)
  55. precision electronics inc. tube guitar amplifier
  56. Bad channel in RCA Victor Console
  57. Did tone bypass on PAS what about caps
  58. Pe06/40n
  59. Anyone own an HH Scott LK-72 Integrated amp?
  60. HELP!! Howling K12G!!
  61. McIntosh MC60 Bias question
  62. Connecting a MF tube buffer directly to AKM DAC
  63. How to evaluate RF tubes for power and fidelity?
  64. Amity Amp Nutshell Audio
  65. 8086 Tubes?
  66. Lil' Devil P-P Amp
  67. 6SN7 vs. 6SL7 in Darling amp
  68. BBC AM8/6 mono tube amp schematic
  69. ST70 works with PAS but not another preamp
  70. Freds in 6X5 psu?
  71. Hi-End 50W Push-Amplifier inspired to AudioResearch
  72. Audioromy fu-29 - push pull!
  73. Help - MS-6V6 Yaqin schematic
  74. High Voltage Direct Drive amplifier for Plasma loudspeaker
  75. A Direct-Coupled Amplifier with Cathode Follower 6V6
  76. Separo- Full Pictorial Disclosure- opinions please
  77. Hammond Integrated Amp Kits 1950s
  78. LW6-180 schematic
  79. What to look for in a tube preamp?
  80. Russian-English Translation of 4P1L datasheet
  81. Can anybody identify this
  82. New York Audio Labs (NYAL) OTL1
  83. 5F6A via Mechanical Design
  84. New to tubes, need your advice.
  85. Brook 12a clone
  86. What type of audio transformers to use for tubes / valves
  87. need advice about building tube xover as a piece of art
  88. My first amp project, 6BQ5 (EL84) Single-End
  89. MA 6P1 6AQ5 Push-Pull Valve Tube Integrated Amplifier
  90. Stupid AB bias question
  91. Jamoke Direct to LPT/CCS PP EL34
  92. 4 x EL84 (6BQ5) in Push-Pull - Power Supply
  93. RFC: 300B driven by anode follower (6J5/6SN7)
  94. AVO VCM163 oddity
  95. Shuguang SG-50 ( RCA UX-250 replica) comments ???
  96. Schematic question (Trainwreck)
  97. Novel mode of lithium battery bias
  98. power supply problem in my dream amp...
  99. Understanding how to wire up an Output Transformer
  100. Tube sound without the tube! (almost)
  101. Replace Bypass Cap?
  102. Sales On Sound Vintage 40s Tube Amp Info
  103. Why am I blowing fuses when connecting to next component?
  104. New owner to an old Heathkit AA-121
  105. New amp just finished 6080 pp opt
  106. Aikido as DAC I/V?
  107. Have two 572B-162L USA mfg tubes for trade
  108. Potentiometer question
  109. DHT circuit development for noob:)
  110. modifying a schematic
  111. TV-4a/u Weston USM Tube Tester: got a manual or schematic?
  112. Any idea what the primary impedance of the X101-B OPT is?
  113. Transformer Ratings
  114. noisy Gain knob
  115. overcooling question
  116. Ecl82 PP amp rebuild - suggestions?
  117. GU-50 PP amp project - Any favs?
  118. External DC power supply?
  119. shielded wire
  120. Noise & attenuation
  121. Thinking of building the SV300B Push-Pull
  122. Transformers for Push-Pull sweep tubes
  123. 12BG3's
  124. Valve audio circuit design questions.
  125. jcm 800 preamp?
  126. srpp & distortion
  127. Common cathode circuit values
  128. Resilient Mounts - Materials Science help please
  129. Raytheon 6G-B6 information
  130. Output transformers
  131. Filament winding wire diameter
  132. EL34 for ST70
  133. Building a Tube PreAmp for Teddy
  134. series capacitor values..
  135. Music Angel KT88 correct circuit
  136. G1=G2/mu Scaled Drive Strawman Design
  137. Output transformer for 845 SE triode amp
  138. "10 year burn in" T Shirt arrives!!!
  139. Thinking out loud -- VT-33 headphone amp?
  140. Elektor USB magic eye
  141. Maganavox Tubes Made in USA?
  142. Magic Eye VU Meter
  143. More EBAY Madness !!
  144. Major modifications of a Bogen AP-35
  145. Help with circuitmaker Pentode model
  146. Kt-120 ?
  147. Help with 6F5/6L6 rebuild...
  148. What Speaker for Webcor Tube Amp?
  149. Possible use for Pentagrid tubes??
  150. Rogers Cadet III integrated
  151. Quad II - Can 6P3S-E/GU50 be used as KT66 direct replacement?
  152. Using Grid2 screen signal -
  153. 6n6p tube as output tube for small guitar amp
  154. YAAGLI - Yet Another Aikido Ground Loop Issue
  155. Tube rectifier question.
  156. Dac with tube preamp?
  157. 5712 tube data needed
  158. 180 pF capacitor and other questions
  159. Simple question: Stereo to monos. How.
  160. Plate dissipation specs for 21KQ6
  161. Yaqin pre-out for subwoofer?
  162. Grid Chokes and choke load
  163. First tube amp project: GO!
  164. Hybrid Amp
  165. Circuit weirdness?
  166. How suitable is this tranformer for a Tube Amp Project?
  167. Best way to solder gold-plated components?
  168. Phono EQ hiss/white noise!!!
  169. help needed with grounded grid CCS upgrade
  170. Resistor wattage?
  171. SCORE! Kepco Tube Power supplies!
  172. 6SN7-2A3 SE Amp - James Transformers
  173. Capacitor explosion.
  174. JJ ECC81/12AT7 Longevity
  175. 6V6GTA Tubes, H/K A300 Transformers, Now What?
  176. DIY valve radio
  177. U600 rectifier valve datasheet, please !!!
  178. Capacitors
  179. please help ! 5687 cd player buffer
  180. LK-72 mis-wired or am I confused?
  181. Need help with tube ID.
  182. spud amp 6c45pi vs 5842
  183. Air gapping transformers
  184. Voltage Measurement
  185. Cornell-Dubilier Caps Western Electric 91A Amplifier
  186. My take on a modern ST-70
  187. pls suggest a project
  188. Help with input stage driver for EL84 output stage
  189. Trying to make sense of the Sweet Peach
  190. Cornell-Dubilier Paper In Oil Capacitors
  191. lm3886 + cathode follower PS problem
  192. Completely differential amplifier final stage
  193. Capacitors in series for coupling?
  194. Help needed with messed-up-amp repairs.
  195. 6DJ8 tube schematic as balanced line stage?
  196. 6DJ8 (balanced) tube line stage
  197. Knight amp circut voltages
  198. Make Mono Phonograph into Mic Preamp?
  199. Yet another passive attenuator
  200. What tube is this?
  201. El Cheapo ok for a first build?
  202. Anyone in Vancouver with a tube tester?
  203. How long can I expect a tube to last
  204. Output transformers... which one...?
  205. My MA845 modded and questions
  206. Sun Audio SV-2a3 HK Clone
  207. departure and tube slop
  208. Wire construction for capped tube plates
  209. Grid resistor location
  210. Meng Yue X1 trial
  211. Yarland pro845
  212. Faulty 5881 tube ?
  213. MF Xpre - help pls!!
  214. Heaters Voltage
  215. Pleas help identify this McIntosh valve amplifier
  216. Curves for Triode Connected 6EW6
  217. microwave oven transformer..
  218. Marantz 8b tubes
  219. Request: The schematic of Audible illusions MODULUS 3
  220. How many watts are really needed?
  221. Worn Tube Rectifier
  222. Bogen CHB35a Problem
  223. 29KQ6 Datasheet
  224. Help selecting a thermistor
  225. Beard P.101, new-to-me.
  226. Audioromy 838 Amp Broke need help..
  227. Inexpensive Guitar Amp
  228. How to Read faded Tube Numbers
  229. Test data for 6H30PI & Hickok 539??
  230. Tube Text books "Reich"
  231. PCL805 parafeed SE idea + question
  232. 12V driver tubes for Engineer's Amp?
  233. >200W with 6BG6GA
  234. Leak stereo 20 modification
  235. Baby Huey components
  236. Monstrous 1kW amp!
  237. blue glow, how?
  238. Using different transformer taps for each needed B+
  239. Heating DHT Cathodes a new way???
  240. Noise problem in 572-10 PP amplifier
  241. Power transformer question (Bud?? calling Bud)
  242. Identifying 12AX7 Tubes
  243. PAS3 to volume pot
  244. 5F6A Amp build help (Fender Bassman)
  245. Jean Hiraga SE KT88
  246. ASC motor run caps....can they be mounted horizontal???
  247. Millivolt signal and tube sockets
  248. 6N1P Data sheet differences
  249. Confident in buying tubes on ebay ?
  250. CCS Troubles

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