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  1. Tube recommendation for speakers
  2. Bogen mx60a Schematic
  3. Eliminating volume pot?
  4. CXPP100-MS-3.3K or CXPP100-MS-4.2K
  5. tube power supply voltage
  6. Driver Bypass Cap - Value?
  7. Tube bases and plate caps rant
  8. tube dual regulated psu needs amp
  9. Help me choose output transformers
  10. 12GT5-guitar amp.
  11. Verdier dual regulated tube psu
  12. Aikido Phono Amp Output Tubes 12AU7 and 12AX7?
  13. Mullard EL84 ID
  14. schematic request for transformer with 4k primary and UL taps
  15. Plate-Grid feedback: How to get better than DHT performance from cheaper tubes
  16. Anyone going to the Dayton Hamfest?
  17. More class D madness
  18. the SuperHybrid
  19. Tecon Model "55" final mods(?)
  20. Hammond P-T125E OPT
  21. Highbred Amp "TUMOS" Sounds good?
  22. 300B SET which chassis design
  23. Help with creating a simple tube HV regulated supply
  24. Tube Sockets for oddball miniatures
  25. McGohan M506 PA Guitar conversion mods.
  26. Bogen chb35a
  27. My last el84 PP tube amplifier
  28. Ultrapath - Advantages?
  29. Phono preamp with c/em2
  30. 12AY7 plate current
  31. OPT identification
  32. Resistor values at supply to anodes
  33. Typical output impedance for tube amps
  34. Problems with EM87 stereo level indicator for computer line out
  35. VR tube recommendation
  36. Mills MRA-5 resistors in tube circuits
  37. B&K Dyna-Quik 500 shows good tubes as Shorted
  38. Output transformers
  39. dbx 386 upgrade
  40. Sub 6n6p for 6n1p?
  41. SET Amp History in Japan
  42. Grid Bias or Cathode Bias
  43. Oscillating CJ PV-5
  44. FireFly Single Ended Tetrode
  45. Aikido front end for a SE 6C33S
  46. Ground Plane vs Star earth
  47. Circuit board with long post??
  48. ecc804 as Phase Splitter
  49. What can you do with a 3a5?
  50. Auto Wave soldering sockets
  51. Using diode for biasing
  52. No bass in 300b amp
  53. Tube socket and pin cleaning
  54. Help With Left Channel Hum
  55. Volume pot has rustling sound
  56. How best to distribute heater windings
  57. 30MB6 data
  58. Kofi Annan in: "Pushed and Pulled Back!"
  59. How dangerous is it to build an SET?
  60. 6as7 SE OTL
  61. Melody Roll
  62. 8417 Output Transformer
  63. Do you still need matched tubes if running a CCS ?
  64. Is a LM335 a direct replacement for a LM317T?
  65. Bias worry
  66. About the tube 6463
  67. awesome RCA MI 12158 tube amp project
  68. Crazy idea: Output tranny with constant magnetic gap?
  69. Most linear triode-strapped pentode
  70. Aikidio Phono Amp Questions
  71. Sample and Hold
  72. Big push-pull power for dummies
  73. Foxtrot Guitar Amp - Output transformer
  74. Taking my KT88 SE E-linear amp to the next level (long)
  75. Aikido Janus Shunt PSU
  76. 12b4a phase splitter! The best?
  77. Sansui 500EA vs. 500A
  78. Cascoded Ring of Two for Plate Load
  79. 6SL7 distortion
  80. My new PL36 Push-Pull amp
  81. adding line out to guitar tube preamp
  82. Thyratrons
  83. Tube ampl. for repair
  84. Date codes
  85. China Sountrack KT88 need shematic
  86. Anyone know anything about the Luxman A-2003 tube xover?
  87. Dynamic negative feedback?
  88. Need help with Ampeg J-20 crackling buzzing hissing noise issue/blocking distortion?
  89. New bie: some questions, want to start DIY pre amp
  90. Power Transformer issue
  91. Guess That Tube
  92. Poor soundstage with SET 300B
  93. Dedicated ESL amp -- please comment
  94. Buzzing AC relay coil
  95. Stereo amp parallel wired to mono - possible?
  96. Need biasing advice, cathode biased amp.
  97. Before I go ahead and build this...
  98. Beginner Tube Stereo
  99. 6AU6 and 6J5 for Guitar amp or pedal?
  100. Morgan Jones and the ECC88/6922/6DJ8
  101. Help with matching speaker impedance to old tube amp
  102. srpp 2a3 power supply
  103. 12AX7 Tube Question
  104. New problem with Music Angel KT88
  105. Need help changing 12V heater to 6V
  106. Phono cathode follower challenge!!
  107. 6au6 for stereo?
  108. determining input/output impedance
  109. "Singing" output transformers
  110. Sustitute 5842 for EC86
  111. Vege-toobz ;)
  112. precision electronics inc. tube guitar amplifier
  113. Bad channel in RCA Victor Console
  114. Did tone bypass on PAS what about caps
  115. Pe06/40n
  116. Anyone own an HH Scott LK-72 Integrated amp?
  117. HELP!! Howling K12G!!
  118. McIntosh MC60 Bias question
  119. Connecting a MF tube buffer directly to AKM DAC
  120. How to evaluate RF tubes for power and fidelity?
  121. Amity Amp Nutshell Audio
  122. 8086 Tubes?
  123. Lil' Devil P-P Amp
  124. 6SN7 vs. 6SL7 in Darling amp
  125. BBC AM8/6 mono tube amp schematic
  126. ST70 works with PAS but not another preamp
  127. Freds in 6X5 psu?
  128. Hi-End 50W Push-Amplifier inspired to AudioResearch
  129. Audioromy fu-29 - push pull!
  130. Help - MS-6V6 Yaqin schematic
  131. High Voltage Direct Drive amplifier for Plasma loudspeaker
  132. A Direct-Coupled Amplifier with Cathode Follower 6V6
  133. Separo- Full Pictorial Disclosure- opinions please
  134. Hammond Integrated Amp Kits 1950s
  135. LW6-180 schematic
  136. What to look for in a tube preamp?
  137. Russian-English Translation of 4P1L datasheet
  138. Can anybody identify this
  139. New York Audio Labs (NYAL) OTL1
  140. 5F6A via Mechanical Design
  141. New to tubes, need your advice.
  142. Brook 12a clone
  143. What type of audio transformers to use for tubes / valves
  144. need advice about building tube xover as a piece of art
  145. My first amp project, 6BQ5 (EL84) Single-End
  146. MA 6P1 6AQ5 Push-Pull Valve Tube Integrated Amplifier
  147. Stupid AB bias question
  148. Jamoke Direct to LPT/CCS PP EL34
  149. 4 x EL84 (6BQ5) in Push-Pull - Power Supply
  150. RFC: 300B driven by anode follower (6J5/6SN7)
  151. AVO VCM163 oddity
  152. Shuguang SG-50 ( RCA UX-250 replica) comments ???
  153. Schematic question (Trainwreck)
  154. Novel mode of lithium battery bias
  155. power supply problem in my dream amp...
  156. Understanding how to wire up an Output Transformer
  157. Tube sound without the tube! (almost)
  158. Replace Bypass Cap?
  159. Sales On Sound Vintage 40s Tube Amp Info
  160. Why am I blowing fuses when connecting to next component?
  161. New owner to an old Heathkit AA-121
  162. New amp just finished 6080 pp opt
  163. Aikido as DAC I/V?
  164. Have two 572B-162L USA mfg tubes for trade
  165. Potentiometer question
  166. DHT circuit development for noob:)
  167. modifying a schematic
  168. TV-4a/u Weston USM Tube Tester: got a manual or schematic?
  169. Any idea what the primary impedance of the X101-B OPT is?
  170. Transformer Ratings
  171. noisy Gain knob
  172. overcooling question
  173. Ecl82 PP amp rebuild - suggestions?
  174. GU-50 PP amp project - Any favs?
  175. External DC power supply?
  176. shielded wire
  177. Noise & attenuation
  178. Thinking of building the SV300B Push-Pull
  179. Transformers for Push-Pull sweep tubes
  180. 12BG3's
  181. Valve audio circuit design questions.
  182. jcm 800 preamp?
  183. srpp & distortion
  184. Common cathode circuit values
  185. Resilient Mounts - Materials Science help please
  186. Raytheon 6G-B6 information
  187. Output transformers
  188. Filament winding wire diameter
  189. EL34 for ST70
  190. Building a Tube PreAmp for Teddy
  191. series capacitor values..
  192. Music Angel KT88 correct circuit
  193. G1=G2/mu Scaled Drive Strawman Design
  194. Output transformer for 845 SE triode amp
  195. "10 year burn in" T Shirt arrives!!!
  196. Thinking out loud -- VT-33 headphone amp?
  197. Elektor USB magic eye
  198. Maganavox Tubes Made in USA?
  199. Magic Eye VU Meter
  200. More EBAY Madness !!
  201. Major modifications of a Bogen AP-35
  202. Help with circuitmaker Pentode model
  203. Kt-120 ?
  204. Help with 6F5/6L6 rebuild...
  205. What Speaker for Webcor Tube Amp?
  206. Possible use for Pentagrid tubes??
  207. Rogers Cadet III integrated
  208. Quad II - Can 6P3S-E/GU50 be used as KT66 direct replacement?
  209. Using Grid2 screen signal -
  210. 6n6p tube as output tube for small guitar amp
  211. YAAGLI - Yet Another Aikido Ground Loop Issue
  212. Tube rectifier question.
  213. Dac with tube preamp?
  214. 5712 tube data needed
  215. 180 pF capacitor and other questions
  216. Simple question: Stereo to monos. How.
  217. Plate dissipation specs for 21KQ6
  218. Yaqin pre-out for subwoofer?
  219. Grid Chokes and choke load
  220. First tube amp project: GO!
  221. Hybrid Amp
  222. Circuit weirdness?
  223. How suitable is this tranformer for a Tube Amp Project?
  224. Best way to solder gold-plated components?
  225. Phono EQ hiss/white noise!!!
  226. help needed with grounded grid CCS upgrade
  227. Resistor wattage?
  228. SCORE! Kepco Tube Power supplies!
  229. 6SN7-2A3 SE Amp - James Transformers
  230. Capacitor explosion.
  231. JJ ECC81/12AT7 Longevity
  232. 6V6GTA Tubes, H/K A300 Transformers, Now What?
  233. DIY valve radio
  234. U600 rectifier valve datasheet, please !!!
  235. Capacitors
  236. please help ! 5687 cd player buffer
  237. LK-72 mis-wired or am I confused?
  238. Need help with tube ID.
  239. spud amp 6c45pi vs 5842
  240. Air gapping transformers
  241. Voltage Measurement
  242. Cornell-Dubilier Caps Western Electric 91A Amplifier
  243. My take on a modern ST-70
  244. pls suggest a project
  245. Help with input stage driver for EL84 output stage
  246. Trying to make sense of the Sweet Peach
  247. Cornell-Dubilier Paper In Oil Capacitors
  248. lm3886 + cathode follower PS problem
  249. Completely differential amplifier final stage
  250. Capacitors in series for coupling?

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