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  1. Hammond P-T125E OPT
  2. Highbred Amp "TUMOS" Sounds good?
  3. 300B SET which chassis design
  4. Help with creating a simple tube HV regulated supply
  5. Tube Sockets for oddball miniatures
  6. Bogen chb35a
  7. My last el84 PP tube amplifier
  8. Ultrapath - Advantages?
  9. Phono preamp with c/em2
  10. 12AY7 plate current
  11. OPT identification
  12. Resistor values at supply to anodes
  13. Typical output impedance for tube amps
  14. Problems with EM87 stereo level indicator for computer line out
  15. VR tube recommendation
  16. Mills MRA-5 resistors in tube circuits
  17. B&K Dyna-Quik 500 shows good tubes as Shorted
  18. Output transformers
  19. Sub 6n6p for 6n1p?
  20. SET Amp History in Japan
  21. Grid Bias or Cathode Bias
  22. Oscillating CJ PV-5
  23. FireFly Single Ended Tetrode
  24. Aikido front end for a SE 6C33S
  25. Ground Plane vs Star earth
  26. Circuit board with long post??
  27. ecc804 as Phase Splitter
  28. What can you do with a 3a5?
  29. Auto Wave soldering sockets
  30. Using diode for biasing
  31. No bass in 300b amp
  32. Tube socket and pin cleaning
  33. Help With Left Channel Hum
  34. Volume pot has rustling sound
  35. How best to distribute heater windings
  36. 30MB6 data
  37. Kofi Annan in: "Pushed and Pulled Back!"
  38. How dangerous is it to build an SET?
  39. 6as7 SE OTL
  40. Melody Roll
  41. 8417 Output Transformer
  42. Do you still need matched tubes if running a CCS ?
  43. Is a LM335 a direct replacement for a LM317T?
  44. Bias worry
  45. About the tube 6463
  46. awesome RCA MI 12158 tube amp project
  47. Crazy idea: Output tranny with constant magnetic gap?
  48. Most linear triode-strapped pentode
  49. Aikidio Phono Amp Questions
  50. Sample and Hold
  51. Big push-pull power for dummies
  52. Taking my KT88 SE E-linear amp to the next level (long)
  53. Aikido Janus Shunt PSU
  54. 12b4a phase splitter! The best?
  55. Sansui 500EA vs. 500A
  56. Cascoded Ring of Two for Plate Load
  57. 6SL7 distortion
  58. My new PL36 Push-Pull amp
  59. Thyratrons
  60. Tube ampl. for repair
  61. Date codes
  62. China Sountrack KT88 need shematic
  63. Anyone know anything about the Luxman A-2003 tube xover?
  64. Dynamic negative feedback?
  65. New bie: some questions, want to start DIY pre amp
  66. Power Transformer issue
  67. Guess That Tube
  68. Poor soundstage with SET 300B
  69. Dedicated ESL amp -- please comment
  70. Buzzing AC relay coil
  71. Stereo amp parallel wired to mono - possible?
  72. Need biasing advice, cathode biased amp.
  73. Before I go ahead and build this...
  74. Beginner Tube Stereo
  75. Morgan Jones and the ECC88/6922/6DJ8
  76. Help with matching speaker impedance to old tube amp
  77. srpp 2a3 power supply
  78. 12AX7 Tube Question
  79. New problem with Music Angel KT88
  80. Need help changing 12V heater to 6V
  81. Phono cathode follower challenge!!
  82. 6au6 for stereo?
  83. determining input/output impedance
  84. "Singing" output transformers
  85. Sustitute 5842 for EC86
  86. Vege-toobz ;)
  87. Bad channel in RCA Victor Console
  88. Did tone bypass on PAS what about caps
  89. Pe06/40n
  90. Anyone own an HH Scott LK-72 Integrated amp?
  91. HELP!! Howling K12G!!
  92. McIntosh MC60 Bias question
  93. Connecting a MF tube buffer directly to AKM DAC
  94. How to evaluate RF tubes for power and fidelity?
  95. Amity Amp Nutshell Audio
  96. 8086 Tubes?
  97. Lil' Devil P-P Amp
  98. 6SN7 vs. 6SL7 in Darling amp
  99. BBC AM8/6 mono tube amp schematic
  100. ST70 works with PAS but not another preamp
  101. Freds in 6X5 psu?
  102. Hi-End 50W Push-Amplifier inspired to AudioResearch
  103. Audioromy fu-29 - push pull!
  104. Help - MS-6V6 Yaqin schematic
  105. High Voltage Direct Drive amplifier for Plasma loudspeaker
  106. A Direct-Coupled Amplifier with Cathode Follower 6V6
  107. Separo- Full Pictorial Disclosure- opinions please
  108. Hammond Integrated Amp Kits 1950s
  109. LW6-180 schematic
  110. What to look for in a tube preamp?
  111. Russian-English Translation of 4P1L datasheet
  112. Can anybody identify this
  113. New York Audio Labs (NYAL) OTL1
  114. New to tubes, need your advice.
  115. Brook 12a clone
  116. What type of audio transformers to use for tubes / valves
  117. need advice about building tube xover as a piece of art
  118. My first amp project, 6BQ5 (EL84) Single-End
  119. MA 6P1 6AQ5 Push-Pull Valve Tube Integrated Amplifier
  120. Stupid AB bias question
  121. Jamoke Direct to LPT/CCS PP EL34
  122. 4 x EL84 (6BQ5) in Push-Pull - Power Supply
  123. RFC: 300B driven by anode follower (6J5/6SN7)
  124. Shuguang SG-50 ( RCA UX-250 replica) comments ???
  125. Novel mode of lithium battery bias
  126. power supply problem in my dream amp...
  127. Understanding how to wire up an Output Transformer
  128. Tube sound without the tube! (almost)
  129. Replace Bypass Cap?
  130. Sales On Sound Vintage 40s Tube Amp Info
  131. Why am I blowing fuses when connecting to next component?
  132. New owner to an old Heathkit AA-121
  133. New amp just finished 6080 pp opt
  134. Aikido as DAC I/V?
  135. Potentiometer question
  136. DHT circuit development for noob:)
  137. modifying a schematic
  138. Any idea what the primary impedance of the X101-B OPT is?
  139. Transformer Ratings
  140. noisy Gain knob
  141. overcooling question
  142. Ecl82 PP amp rebuild - suggestions?
  143. GU-50 PP amp project - Any favs?
  144. External DC power supply?
  145. shielded wire
  146. Noise & attenuation
  147. Thinking of building the SV300B Push-Pull
  148. Transformers for Push-Pull sweep tubes
  149. 12BG3's
  150. Valve audio circuit design questions.
  151. srpp & distortion
  152. Common cathode circuit values
  153. Resilient Mounts - Materials Science help please
  154. Raytheon 6G-B6 information
  155. Output transformers
  156. Filament winding wire diameter
  157. EL34 for ST70
  158. Building a Tube PreAmp for Teddy
  159. series capacitor values..
  160. Music Angel KT88 correct circuit
  161. G1=G2/mu Scaled Drive Strawman Design
  162. Output transformer for 845 SE triode amp
  163. "10 year burn in" T Shirt arrives!!!
  164. Thinking out loud -- VT-33 headphone amp?
  165. Elektor USB magic eye
  166. Maganavox Tubes Made in USA?
  167. Magic Eye VU Meter
  168. More EBAY Madness !!
  169. Major modifications of a Bogen AP-35
  170. Help with circuitmaker Pentode model
  171. Kt-120 ?
  172. Help with 6F5/6L6 rebuild...
  173. What Speaker for Webcor Tube Amp?
  174. Possible use for Pentagrid tubes??
  175. Rogers Cadet III integrated
  176. Quad II - Can 6P3S-E/GU50 be used as KT66 direct replacement?
  177. Using Grid2 screen signal -
  178. YAAGLI - Yet Another Aikido Ground Loop Issue
  179. Tube rectifier question.
  180. Dac with tube preamp?
  181. 5712 tube data needed
  182. 180 pF capacitor and other questions
  183. Simple question: Stereo to monos. How.
  184. Plate dissipation specs for 21KQ6
  185. Yaqin pre-out for subwoofer?
  186. Grid Chokes and choke load
  187. First tube amp project: GO!
  188. Hybrid Amp
  189. Circuit weirdness?
  190. How suitable is this tranformer for a Tube Amp Project?
  191. Best way to solder gold-plated components?
  192. Phono EQ hiss/white noise!!!
  193. help needed with grounded grid CCS upgrade
  194. SCORE! Kepco Tube Power supplies!
  195. 6SN7-2A3 SE Amp - James Transformers
  196. JJ ECC81/12AT7 Longevity
  197. 6V6GTA Tubes, H/K A300 Transformers, Now What?
  198. DIY valve radio
  199. U600 rectifier valve datasheet, please !!!
  200. Capacitors
  201. please help ! 5687 cd player buffer
  202. LK-72 mis-wired or am I confused?
  203. Need help with tube ID.
  204. spud amp 6c45pi vs 5842
  205. Air gapping transformers
  206. Voltage Measurement
  207. My take on a modern ST-70
  208. pls suggest a project
  209. Help with input stage driver for EL84 output stage
  210. Trying to make sense of the Sweet Peach
  211. Cornell-Dubilier Paper In Oil Capacitors
  212. lm3886 + cathode follower PS problem
  213. Completely differential amplifier final stage
  214. Capacitors in series for coupling?
  215. Help needed with messed-up-amp repairs.
  216. 6DJ8 tube schematic as balanced line stage?
  217. 6DJ8 (balanced) tube line stage
  218. Knight amp circut voltages
  219. Yet another passive attenuator
  220. What tube is this?
  221. El Cheapo ok for a first build?
  222. Anyone in Vancouver with a tube tester?
  223. How long can I expect a tube to last
  224. Output transformers... which one...?
  225. My MA845 modded and questions
  226. Sun Audio SV-2a3 HK Clone
  227. departure and tube slop
  228. Wire construction for capped tube plates
  229. Grid resistor location
  230. Meng Yue X1 trial
  231. Yarland pro845
  232. Faulty 5881 tube ?
  233. MF Xpre - help pls!!
  234. Heaters Voltage
  235. Pleas help identify this McIntosh valve amplifier
  236. Curves for Triode Connected 6EW6
  237. microwave oven transformer..
  238. Marantz 8b tubes
  239. Request: The schematic of Audible illusions MODULUS 3
  240. How many watts are really needed?
  241. Worn Tube Rectifier
  242. Bogen CHB35a Problem
  243. 29KQ6 Datasheet
  244. Help selecting a thermistor
  245. Beard P.101, new-to-me.
  246. Audioromy 838 Amp Broke need help..
  247. How to Read faded Tube Numbers
  248. Tube Text books "Reich"
  249. PCL805 parafeed SE idea + question
  250. 12V driver tubes for Engineer's Amp?

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