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  1. "Singing" output transformers
  2. Sustitute 5842 for EC86
  3. Vege-toobz ;)
  4. Bad channel in RCA Victor Console
  5. Did tone bypass on PAS what about caps
  6. Pe06/40n
  7. Anyone own an HH Scott LK-72 Integrated amp?
  8. HELP!! Howling K12G!!
  9. McIntosh MC60 Bias question
  10. Connecting a MF tube buffer directly to AKM DAC
  11. How to evaluate RF tubes for power and fidelity?
  12. Amity Amp Nutshell Audio
  13. 8086 Tubes?
  14. Lil' Devil P-P Amp
  15. 6SN7 vs. 6SL7 in Darling amp
  16. BBC AM8/6 mono tube amp schematic
  17. ST70 works with PAS but not another preamp
  18. Freds in 6X5 psu?
  19. Hi-End 50W Push-Amplifier inspired to AudioResearch
  20. Audioromy fu-29 - push pull!
  21. Help - MS-6V6 Yaqin schematic
  22. High Voltage Direct Drive amplifier for Plasma loudspeaker
  23. A Direct-Coupled Amplifier with Cathode Follower 6V6
  24. Separo- Full Pictorial Disclosure- opinions please
  25. Hammond Integrated Amp Kits 1950s
  26. LW6-180 schematic
  27. What to look for in a tube preamp?
  28. Russian-English Translation of 4P1L datasheet
  29. Can anybody identify this
  30. New York Audio Labs (NYAL) OTL1
  31. 5F6A via Mechanical Design
  32. New to tubes, need your advice.
  33. Brook 12a clone
  34. What type of audio transformers to use for tubes / valves
  35. need advice about building tube xover as a piece of art
  36. My first amp project, 6BQ5 (EL84) Single-End
  37. MA 6P1 6AQ5 Push-Pull Valve Tube Integrated Amplifier
  38. Stupid AB bias question
  39. Jamoke Direct to LPT/CCS PP EL34
  40. 4 x EL84 (6BQ5) in Push-Pull - Power Supply
  41. RFC: 300B driven by anode follower (6J5/6SN7)
  42. AVO VCM163 oddity
  43. Shuguang SG-50 ( RCA UX-250 replica) comments ???
  44. Novel mode of lithium battery bias
  45. power supply problem in my dream amp...
  46. Understanding how to wire up an Output Transformer
  47. Tube sound without the tube! (almost)
  48. Replace Bypass Cap?
  49. Sales On Sound Vintage 40s Tube Amp Info
  50. Why am I blowing fuses when connecting to next component?
  51. New owner to an old Heathkit AA-121
  52. New amp just finished 6080 pp opt
  53. Aikido as DAC I/V?
  54. Have two 572B-162L USA mfg tubes for trade
  55. Potentiometer question
  56. DHT circuit development for noob:)
  57. modifying a schematic
  58. TV-4a/u Weston USM Tube Tester: got a manual or schematic?
  59. Any idea what the primary impedance of the X101-B OPT is?
  60. Transformer Ratings
  61. noisy Gain knob
  62. overcooling question
  63. Ecl82 PP amp rebuild - suggestions?
  64. GU-50 PP amp project - Any favs?
  65. External DC power supply?
  66. shielded wire
  67. Noise & attenuation
  68. Thinking of building the SV300B Push-Pull
  69. Transformers for Push-Pull sweep tubes
  70. 12BG3's
  71. Valve audio circuit design questions.
  72. srpp & distortion
  73. Common cathode circuit values
  74. Resilient Mounts - Materials Science help please
  75. Raytheon 6G-B6 information
  76. Output transformers
  77. Filament winding wire diameter
  78. EL34 for ST70
  79. Building a Tube PreAmp for Teddy
  80. series capacitor values..
  81. Music Angel KT88 correct circuit
  82. G1=G2/mu Scaled Drive Strawman Design
  83. Output transformer for 845 SE triode amp
  84. "10 year burn in" T Shirt arrives!!!
  85. Thinking out loud -- VT-33 headphone amp?
  86. Elektor USB magic eye
  87. Maganavox Tubes Made in USA?
  88. Magic Eye VU Meter
  89. More EBAY Madness !!
  90. Major modifications of a Bogen AP-35
  91. Help with circuitmaker Pentode model
  92. Kt-120 ?
  93. Help with 6F5/6L6 rebuild...
  94. What Speaker for Webcor Tube Amp?
  95. Possible use for Pentagrid tubes??
  96. Rogers Cadet III integrated
  97. Quad II - Can 6P3S-E/GU50 be used as KT66 direct replacement?
  98. Using Grid2 screen signal -
  99. YAAGLI - Yet Another Aikido Ground Loop Issue
  100. Tube rectifier question.
  101. Dac with tube preamp?
  102. 5712 tube data needed
  103. 180 pF capacitor and other questions
  104. Simple question: Stereo to monos. How.
  105. Plate dissipation specs for 21KQ6
  106. Yaqin pre-out for subwoofer?
  107. Grid Chokes and choke load
  108. First tube amp project: GO!
  109. Hybrid Amp
  110. Circuit weirdness?
  111. How suitable is this tranformer for a Tube Amp Project?
  112. Best way to solder gold-plated components?
  113. Phono EQ hiss/white noise!!!
  114. help needed with grounded grid CCS upgrade
  115. Resistor wattage?
  116. SCORE! Kepco Tube Power supplies!
  117. 6SN7-2A3 SE Amp - James Transformers
  118. JJ ECC81/12AT7 Longevity
  119. 6V6GTA Tubes, H/K A300 Transformers, Now What?
  120. DIY valve radio
  121. U600 rectifier valve datasheet, please !!!
  122. Capacitors
  123. please help ! 5687 cd player buffer
  124. LK-72 mis-wired or am I confused?
  125. Need help with tube ID.
  126. spud amp 6c45pi vs 5842
  127. Air gapping transformers
  128. Voltage Measurement
  129. Cornell-Dubilier Caps Western Electric 91A Amplifier
  130. My take on a modern ST-70
  131. pls suggest a project
  132. Help with input stage driver for EL84 output stage
  133. Trying to make sense of the Sweet Peach
  134. Cornell-Dubilier Paper In Oil Capacitors
  135. lm3886 + cathode follower PS problem
  136. Completely differential amplifier final stage
  137. Capacitors in series for coupling?
  138. Help needed with messed-up-amp repairs.
  139. 6DJ8 tube schematic as balanced line stage?
  140. 6DJ8 (balanced) tube line stage
  141. Knight amp circut voltages
  142. Yet another passive attenuator
  143. What tube is this?
  144. El Cheapo ok for a first build?
  145. Anyone in Vancouver with a tube tester?
  146. How long can I expect a tube to last
  147. Output transformers... which one...?
  148. My MA845 modded and questions
  149. Sun Audio SV-2a3 HK Clone
  150. departure and tube slop
  151. Wire construction for capped tube plates
  152. Grid resistor location
  153. Meng Yue X1 trial
  154. Yarland pro845
  155. Faulty 5881 tube ?
  156. MF Xpre - help pls!!
  157. Heaters Voltage
  158. Pleas help identify this McIntosh valve amplifier
  159. Curves for Triode Connected 6EW6
  160. microwave oven transformer..
  161. Marantz 8b tubes
  162. Request: The schematic of Audible illusions MODULUS 3
  163. How many watts are really needed?
  164. Worn Tube Rectifier
  165. Bogen CHB35a Problem
  166. 29KQ6 Datasheet
  167. Help selecting a thermistor
  168. Beard P.101, new-to-me.
  169. Audioromy 838 Amp Broke need help..
  170. How to Read faded Tube Numbers
  171. Test data for 6H30PI & Hickok 539??
  172. Tube Text books "Reich"
  173. PCL805 parafeed SE idea + question
  174. 12V driver tubes for Engineer's Amp?
  175. >200W with 6BG6GA
  176. Leak stereo 20 modification
  177. Baby Huey components
  178. Monstrous 1kW amp!
  179. blue glow, how?
  180. Using different transformer taps for each needed B+
  181. Heating DHT Cathodes a new way???
  182. Noise problem in 572-10 PP amplifier
  183. Power transformer question (Bud?? calling Bud)
  184. Identifying 12AX7 Tubes
  185. PAS3 to volume pot
  186. Jean Hiraga SE KT88
  187. Millivolt signal and tube sockets
  188. 6N1P Data sheet differences
  189. Confident in buying tubes on ebay ?
  190. CCS Troubles
  191. Mengyue el34b schematic needed
  192. safest way to power up a new build
  193. Phono amp Raytheon 6418 tubes
  194. YL1350 Help characteristic and output tranies
  195. EL84 PP using 5K plate to plate primate OPT
  196. VR tube flashing?
  197. Tabletop 12au7 Amp
  198. Renovated website: www.pmillett.com, www.tubebooks.org
  199. Troubleshooting Eico HF-85
  200. Custom chassis europe
  201. Mixer from pre-amp design
  202. SE Output Tranny - Dumb Question
  203. What Tube for a Differential Amplifier?
  204. Thinking of buying a Lumley Reference ST70 with attached passive pre
  205. Psu
  206. Protection of the Irreplaceable
  207. Trix T621 PA amplifier (British)
  208. Resistor types ??? (carbon or metal film)
  209. First Amp Build
  210. Help ID these little PP output xfrmrs?
  211. Rectifier voltage drop question
  212. dc and ac heater supply in Aikido
  213. Can I obtain a suitable B+ voltage with spare parts?
  214. Multi tap transformers dont use the whole windings?
  215. First layout with spud
  216. EL152, GU50 and EL156
  217. Convert a 110 volt Mcintosh Mc275 to 230volt
  218. transformer maker list
  219. design a preamp, so easy....
  220. SRPP - determining load and balancing
  221. Idea for all C3g phono stage
  222. temp check
  223. Pentode Question
  224. K & K Audio Transformer phase splitter?
  225. Transformer Efficiency
  226. How to test a 6H30 tube
  227. Karaoke Tube Hi-end In The Future
  228. What makes the old McIntosh stuff so good?
  229. Paralell 10M45's for 71A DHT filament?
  230. Rod Coleman CCS/gyrator help
  231. Differential amp.Do they pass 2nd harmonics or reject them?
  232. A half 6sl7 tube
  233. failing tube
  234. Capacitor in series - Resistor across ?
  235. Tube preamp choise...
  236. Some general tube questions from a Tube newbie !!
  237. How unsafe is an Autotransformer?
  238. Can a dual triode use a common cathode resistor?
  239. Dared MC-7P
  240. SRC2496 Miniatube tube output stage
  241. Tubetech smc2b multiband compressor
  242. Tweaking/correction question - Xindak MT-1 balance
  243. Em87/ em84
  244. Pioneer SM-83 restoration
  245. Best GM70 version suited for audio??
  246. PSUDII transformer question
  247. what are these caps doing?
  248. Distortion VS OPT impedence
  249. Heater wiring approaches
  250. Rogers pops, crackle and static are driving me mad!

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