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  1. "The Sussex Homebrew Valve Tester"
  2. clipping
  3. Wanted: a couple of UNF bolts
  4. H-Bridge Amp Design
  5. need help with yaqin mc10l
  6. Watt the?
  7. DIY tube preamp with 5687
  8. Help with tube stereo build
  9. Tube recommendation for speakers
  10. Bogen mx60a Schematic
  11. Eliminating volume pot?
  12. CXPP100-MS-3.3K or CXPP100-MS-4.2K
  13. tube power supply voltage
  14. Driver Bypass Cap - Value?
  15. Tube bases and plate caps rant
  16. tube dual regulated psu needs amp
  17. Help me choose output transformers
  18. 12GT5-guitar amp.
  19. Verdier dual regulated tube psu
  20. Aikido Phono Amp Output Tubes 12AU7 and 12AX7?
  21. Mullard EL84 ID
  22. schematic request for transformer with 4k primary and UL taps
  23. Plate-Grid feedback: How to get better than DHT performance from cheaper tubes
  24. Anyone going to the Dayton Hamfest?
  25. More class D madness
  26. the SuperHybrid
  27. Tecon Model "55" final mods(?)
  28. Hammond P-T125E OPT
  29. Highbred Amp "TUMOS" Sounds good?
  30. 300B SET which chassis design
  31. Help with creating a simple tube HV regulated supply
  32. Tube Sockets for oddball miniatures
  33. McGohan M506 PA Guitar conversion mods.
  34. Bogen chb35a
  35. My last el84 PP tube amplifier
  36. Ultrapath - Advantages?
  37. Phono preamp with c/em2
  38. 12AY7 plate current
  39. OPT identification
  40. Resistor values at supply to anodes
  41. Typical output impedance for tube amps
  42. Problems with EM87 stereo level indicator for computer line out
  43. VR tube recommendation
  44. Mills MRA-5 resistors in tube circuits
  45. B&K Dyna-Quik 500 shows good tubes as Shorted
  46. Output transformers
  47. dbx 386 upgrade
  48. Sub 6n6p for 6n1p?
  49. SET Amp History in Japan
  50. Grid Bias or Cathode Bias
  51. Oscillating CJ PV-5
  52. FireFly Single Ended Tetrode
  53. Aikido front end for a SE 6C33S
  54. Ground Plane vs Star earth
  55. Circuit board with long post??
  56. ecc804 as Phase Splitter
  57. What can you do with a 3a5?
  58. Auto Wave soldering sockets
  59. Using diode for biasing
  60. No bass in 300b amp
  61. Tube socket and pin cleaning
  62. Help With Left Channel Hum
  63. Volume pot has rustling sound
  64. How best to distribute heater windings
  65. 30MB6 data
  66. Kofi Annan in: "Pushed and Pulled Back!"
  67. How dangerous is it to build an SET?
  68. 6as7 SE OTL
  69. Melody Roll
  70. 8417 Output Transformer
  71. Do you still need matched tubes if running a CCS ?
  72. Is a LM335 a direct replacement for a LM317T?
  73. Bias worry
  74. About the tube 6463
  75. awesome RCA MI 12158 tube amp project
  76. Crazy idea: Output tranny with constant magnetic gap?
  77. Most linear triode-strapped pentode
  78. Aikidio Phono Amp Questions
  79. Sample and Hold
  80. Big push-pull power for dummies
  81. Foxtrot Guitar Amp - Output transformer
  82. Taking my KT88 SE E-linear amp to the next level (long)
  83. Aikido Janus Shunt PSU
  84. 12b4a phase splitter! The best?
  85. Sansui 500EA vs. 500A
  86. Cascoded Ring of Two for Plate Load
  87. 6SL7 distortion
  88. My new PL36 Push-Pull amp
  89. adding line out to guitar tube preamp
  90. Thyratrons
  91. Tube ampl. for repair
  92. Date codes
  93. China Sountrack KT88 need shematic
  94. Anyone know anything about the Luxman A-2003 tube xover?
  95. Dynamic negative feedback?
  96. Need help with Ampeg J-20 crackling buzzing hissing noise issue/blocking distortion?
  97. New bie: some questions, want to start DIY pre amp
  98. Power Transformer issue
  99. Guess That Tube
  100. Poor soundstage with SET 300B
  101. Dedicated ESL amp -- please comment
  102. Buzzing AC relay coil
  103. Stereo amp parallel wired to mono - possible?
  104. Need biasing advice, cathode biased amp.
  105. Before I go ahead and build this...
  106. Beginner Tube Stereo
  107. 6AU6 and 6J5 for Guitar amp or pedal?
  108. Morgan Jones and the ECC88/6922/6DJ8
  109. Help with matching speaker impedance to old tube amp
  110. srpp 2a3 power supply
  111. 12AX7 Tube Question
  112. New problem with Music Angel KT88
  113. Need help changing 12V heater to 6V
  114. Phono cathode follower challenge!!
  115. 6au6 for stereo?
  116. determining input/output impedance
  117. "Singing" output transformers
  118. Sustitute 5842 for EC86
  119. Vege-toobz ;)
  120. precision electronics inc. tube guitar amplifier
  121. Bad channel in RCA Victor Console
  122. Did tone bypass on PAS what about caps
  123. Pe06/40n
  124. Anyone own an HH Scott LK-72 Integrated amp?
  125. HELP!! Howling K12G!!
  126. McIntosh MC60 Bias question
  127. Connecting a MF tube buffer directly to AKM DAC
  128. How to evaluate RF tubes for power and fidelity?
  129. Amity Amp Nutshell Audio
  130. 8086 Tubes?
  131. Lil' Devil P-P Amp
  132. 6SN7 vs. 6SL7 in Darling amp
  133. BBC AM8/6 mono tube amp schematic
  134. ST70 works with PAS but not another preamp
  135. Freds in 6X5 psu?
  136. Hi-End 50W Push-Amplifier inspired to AudioResearch
  137. Audioromy fu-29 - push pull!
  138. Help - MS-6V6 Yaqin schematic
  139. High Voltage Direct Drive amplifier for Plasma loudspeaker
  140. A Direct-Coupled Amplifier with Cathode Follower 6V6
  141. Separo- Full Pictorial Disclosure- opinions please
  142. Hammond Integrated Amp Kits 1950s
  143. LW6-180 schematic
  144. What to look for in a tube preamp?
  145. Russian-English Translation of 4P1L datasheet
  146. Can anybody identify this
  147. New York Audio Labs (NYAL) OTL1
  148. 5F6A via Mechanical Design
  149. New to tubes, need your advice.
  150. Brook 12a clone
  151. What type of audio transformers to use for tubes / valves
  152. need advice about building tube xover as a piece of art
  153. My first amp project, 6BQ5 (EL84) Single-End
  154. MA 6P1 6AQ5 Push-Pull Valve Tube Integrated Amplifier
  155. Stupid AB bias question
  156. Jamoke Direct to LPT/CCS PP EL34
  157. 4 x EL84 (6BQ5) in Push-Pull - Power Supply
  158. RFC: 300B driven by anode follower (6J5/6SN7)
  159. AVO VCM163 oddity
  160. Shuguang SG-50 ( RCA UX-250 replica) comments ???
  161. Schematic question (Trainwreck)
  162. Novel mode of lithium battery bias
  163. power supply problem in my dream amp...
  164. Understanding how to wire up an Output Transformer
  165. Tube sound without the tube! (almost)
  166. Replace Bypass Cap?
  167. Sales On Sound Vintage 40s Tube Amp Info
  168. Why am I blowing fuses when connecting to next component?
  169. New owner to an old Heathkit AA-121
  170. New amp just finished 6080 pp opt
  171. Aikido as DAC I/V?
  172. Have two 572B-162L USA mfg tubes for trade
  173. Potentiometer question
  174. DHT circuit development for noob:)
  175. modifying a schematic
  176. TV-4a/u Weston USM Tube Tester: got a manual or schematic?
  177. Any idea what the primary impedance of the X101-B OPT is?
  178. Transformer Ratings
  179. noisy Gain knob
  180. overcooling question
  181. Ecl82 PP amp rebuild - suggestions?
  182. GU-50 PP amp project - Any favs?
  183. External DC power supply?
  184. shielded wire
  185. Noise & attenuation
  186. Thinking of building the SV300B Push-Pull
  187. Transformers for Push-Pull sweep tubes
  188. 12BG3's
  189. Valve audio circuit design questions.
  190. jcm 800 preamp?
  191. srpp & distortion
  192. Common cathode circuit values
  193. Resilient Mounts - Materials Science help please
  194. Raytheon 6G-B6 information
  195. Output transformers
  196. Filament winding wire diameter
  197. EL34 for ST70
  198. Building a Tube PreAmp for Teddy
  199. series capacitor values..
  200. Music Angel KT88 correct circuit
  201. G1=G2/mu Scaled Drive Strawman Design
  202. Output transformer for 845 SE triode amp
  203. "10 year burn in" T Shirt arrives!!!
  204. Thinking out loud -- VT-33 headphone amp?
  205. Elektor USB magic eye
  206. Maganavox Tubes Made in USA?
  207. Magic Eye VU Meter
  208. More EBAY Madness !!
  209. Major modifications of a Bogen AP-35
  210. Help with circuitmaker Pentode model
  211. Kt-120 ?
  212. Help with 6F5/6L6 rebuild...
  213. What Speaker for Webcor Tube Amp?
  214. Possible use for Pentagrid tubes??
  215. Rogers Cadet III integrated
  216. Quad II - Can 6P3S-E/GU50 be used as KT66 direct replacement?
  217. Using Grid2 screen signal -
  218. 6n6p tube as output tube for small guitar amp
  219. YAAGLI - Yet Another Aikido Ground Loop Issue
  220. Tube rectifier question.
  221. Dac with tube preamp?
  222. 5712 tube data needed
  223. 180 pF capacitor and other questions
  224. Simple question: Stereo to monos. How.
  225. Plate dissipation specs for 21KQ6
  226. Yaqin pre-out for subwoofer?
  227. Grid Chokes and choke load
  228. First tube amp project: GO!
  229. Hybrid Amp
  230. Circuit weirdness?
  231. How suitable is this tranformer for a Tube Amp Project?
  232. Best way to solder gold-plated components?
  233. Phono EQ hiss/white noise!!!
  234. help needed with grounded grid CCS upgrade
  235. Resistor wattage?
  236. SCORE! Kepco Tube Power supplies!
  237. 6SN7-2A3 SE Amp - James Transformers
  238. Capacitor explosion.
  239. JJ ECC81/12AT7 Longevity
  240. 6V6GTA Tubes, H/K A300 Transformers, Now What?
  241. DIY valve radio
  242. U600 rectifier valve datasheet, please !!!
  243. Capacitors
  244. please help ! 5687 cd player buffer
  245. LK-72 mis-wired or am I confused?
  246. Need help with tube ID.
  247. spud amp 6c45pi vs 5842
  248. Air gapping transformers
  249. Voltage Measurement
  250. Cornell-Dubilier Caps Western Electric 91A Amplifier

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