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  1. Output trannies for 6as7
  2. 2 Toroids = 1 Isolation Transformer?
  3. Finding Transformer Building Supplies
  4. Sagging Heaters
  5. Kofi Annan in: "Kofi's Baby Huey"
  6. Point to point wiring help
  7. help !! PTT2s Line stage
  8. Rickard Berglund, Sweden
  9. "The Sussex Homebrew Valve Tester"
  10. clipping
  11. Wanted: a couple of UNF bolts
  12. H-Bridge Amp Design
  13. need help with yaqin mc10l
  14. Watt the?
  15. DIY tube preamp with 5687
  16. Help with tube stereo build
  17. Tube recommendation for speakers
  18. Bogen mx60a Schematic
  19. Eliminating volume pot?
  20. CXPP100-MS-3.3K or CXPP100-MS-4.2K
  21. tube power supply voltage
  22. Driver Bypass Cap - Value?
  23. Tube bases and plate caps rant
  24. tube dual regulated psu needs amp
  25. Help me choose output transformers
  26. 12GT5-guitar amp.
  27. Verdier dual regulated tube psu
  28. Aikido Phono Amp Output Tubes 12AU7 and 12AX7?
  29. Mullard EL84 ID
  30. schematic request for transformer with 4k primary and UL taps
  31. Plate-Grid feedback: How to get better than DHT performance from cheaper tubes
  32. Anyone going to the Dayton Hamfest?
  33. More class D madness
  34. the SuperHybrid
  35. Tecon Model "55" final mods(?)
  36. Hammond P-T125E OPT
  37. Highbred Amp "TUMOS" Sounds good?
  38. 300B SET which chassis design
  39. Help with creating a simple tube HV regulated supply
  40. Tube Sockets for oddball miniatures
  41. McGohan M506 PA Guitar conversion mods.
  42. Bogen chb35a
  43. My last el84 PP tube amplifier
  44. Ultrapath - Advantages?
  45. Phono preamp with c/em2
  46. 12AY7 plate current
  47. OPT identification
  48. Resistor values at supply to anodes
  49. Typical output impedance for tube amps
  50. Problems with EM87 stereo level indicator for computer line out
  51. VR tube recommendation
  52. Mills MRA-5 resistors in tube circuits
  53. B&K Dyna-Quik 500 shows good tubes as Shorted
  54. Output transformers
  55. dbx 386 upgrade
  56. Sub 6n6p for 6n1p?
  57. SET Amp History in Japan
  58. Grid Bias or Cathode Bias
  59. Oscillating CJ PV-5
  60. FireFly Single Ended Tetrode
  61. Aikido front end for a SE 6C33S
  62. Ground Plane vs Star earth
  63. Circuit board with long post??
  64. ecc804 as Phase Splitter
  65. What can you do with a 3a5?
  66. Auto Wave soldering sockets
  67. Using diode for biasing
  68. No bass in 300b amp
  69. Tube socket and pin cleaning
  70. Help With Left Channel Hum
  71. Volume pot has rustling sound
  72. How best to distribute heater windings
  73. 30MB6 data
  74. Kofi Annan in: "Pushed and Pulled Back!"
  75. How dangerous is it to build an SET?
  76. 6as7 SE OTL
  77. Melody Roll
  78. 8417 Output Transformer
  79. Do you still need matched tubes if running a CCS ?
  80. Is a LM335 a direct replacement for a LM317T?
  81. Bias worry
  82. About the tube 6463
  83. awesome RCA MI 12158 tube amp project
  84. Crazy idea: Output tranny with constant magnetic gap?
  85. Most linear triode-strapped pentode
  86. Aikidio Phono Amp Questions
  87. Sample and Hold
  88. Big push-pull power for dummies
  89. Foxtrot Guitar Amp - Output transformer
  90. Taking my KT88 SE E-linear amp to the next level (long)
  91. Aikido Janus Shunt PSU
  92. 12b4a phase splitter! The best?
  93. Sansui 500EA vs. 500A
  94. Cascoded Ring of Two for Plate Load
  95. 6SL7 distortion
  96. My new PL36 Push-Pull amp
  97. adding line out to guitar tube preamp
  98. Thyratrons
  99. Tube ampl. for repair
  100. Date codes
  101. China Sountrack KT88 need shematic
  102. Anyone know anything about the Luxman A-2003 tube xover?
  103. Dynamic negative feedback?
  104. Need help with Ampeg J-20 crackling buzzing hissing noise issue/blocking distortion?
  105. New bie: some questions, want to start DIY pre amp
  106. Power Transformer issue
  107. Guess That Tube
  108. Poor soundstage with SET 300B
  109. Dedicated ESL amp -- please comment
  110. Buzzing AC relay coil
  111. Stereo amp parallel wired to mono - possible?
  112. Need biasing advice, cathode biased amp.
  113. Before I go ahead and build this...
  114. Beginner Tube Stereo
  115. 6AU6 and 6J5 for Guitar amp or pedal?
  116. Morgan Jones and the ECC88/6922/6DJ8
  117. Help with matching speaker impedance to old tube amp
  118. srpp 2a3 power supply
  119. 12AX7 Tube Question
  120. New problem with Music Angel KT88
  121. Need help changing 12V heater to 6V
  122. Phono cathode follower challenge!!
  123. 6au6 for stereo?
  124. determining input/output impedance
  125. "Singing" output transformers
  126. Sustitute 5842 for EC86
  127. Vege-toobz ;)
  128. precision electronics inc. tube guitar amplifier
  129. Bad channel in RCA Victor Console
  130. Did tone bypass on PAS what about caps
  131. Pe06/40n
  132. Anyone own an HH Scott LK-72 Integrated amp?
  133. HELP!! Howling K12G!!
  134. McIntosh MC60 Bias question
  135. Connecting a MF tube buffer directly to AKM DAC
  136. How to evaluate RF tubes for power and fidelity?
  137. Amity Amp Nutshell Audio
  138. 8086 Tubes?
  139. Lil' Devil P-P Amp
  140. 6SN7 vs. 6SL7 in Darling amp
  141. BBC AM8/6 mono tube amp schematic
  142. ST70 works with PAS but not another preamp
  143. Freds in 6X5 psu?
  144. Hi-End 50W Push-Amplifier inspired to AudioResearch
  145. Audioromy fu-29 - push pull!
  146. Help - MS-6V6 Yaqin schematic
  147. High Voltage Direct Drive amplifier for Plasma loudspeaker
  148. A Direct-Coupled Amplifier with Cathode Follower 6V6
  149. Separo- Full Pictorial Disclosure- opinions please
  150. Hammond Integrated Amp Kits 1950s
  151. LW6-180 schematic
  152. What to look for in a tube preamp?
  153. Russian-English Translation of 4P1L datasheet
  154. Can anybody identify this
  155. New York Audio Labs (NYAL) OTL1
  156. 5F6A via Mechanical Design
  157. New to tubes, need your advice.
  158. Brook 12a clone
  159. What type of audio transformers to use for tubes / valves
  160. need advice about building tube xover as a piece of art
  161. My first amp project, 6BQ5 (EL84) Single-End
  162. MA 6P1 6AQ5 Push-Pull Valve Tube Integrated Amplifier
  163. Stupid AB bias question
  164. Jamoke Direct to LPT/CCS PP EL34
  165. 4 x EL84 (6BQ5) in Push-Pull - Power Supply
  166. RFC: 300B driven by anode follower (6J5/6SN7)
  167. AVO VCM163 oddity
  168. Shuguang SG-50 ( RCA UX-250 replica) comments ???
  169. Schematic question (Trainwreck)
  170. Novel mode of lithium battery bias
  171. power supply problem in my dream amp...
  172. Understanding how to wire up an Output Transformer
  173. Tube sound without the tube! (almost)
  174. Replace Bypass Cap?
  175. Sales On Sound Vintage 40s Tube Amp Info
  176. Why am I blowing fuses when connecting to next component?
  177. New owner to an old Heathkit AA-121
  178. New amp just finished 6080 pp opt
  179. Aikido as DAC I/V?
  180. Have two 572B-162L USA mfg tubes for trade
  181. Potentiometer question
  182. DHT circuit development for noob:)
  183. modifying a schematic
  184. TV-4a/u Weston USM Tube Tester: got a manual or schematic?
  185. Any idea what the primary impedance of the X101-B OPT is?
  186. Transformer Ratings
  187. noisy Gain knob
  188. overcooling question
  189. Ecl82 PP amp rebuild - suggestions?
  190. GU-50 PP amp project - Any favs?
  191. External DC power supply?
  192. shielded wire
  193. Noise & attenuation
  194. Thinking of building the SV300B Push-Pull
  195. Transformers for Push-Pull sweep tubes
  196. 12BG3's
  197. Valve audio circuit design questions.
  198. jcm 800 preamp?
  199. srpp & distortion
  200. Common cathode circuit values
  201. Resilient Mounts - Materials Science help please
  202. Raytheon 6G-B6 information
  203. Output transformers
  204. Filament winding wire diameter
  205. EL34 for ST70
  206. Building a Tube PreAmp for Teddy
  207. series capacitor values..
  208. Music Angel KT88 correct circuit
  209. G1=G2/mu Scaled Drive Strawman Design
  210. Output transformer for 845 SE triode amp
  211. "10 year burn in" T Shirt arrives!!!
  212. Thinking out loud -- VT-33 headphone amp?
  213. Elektor USB magic eye
  214. Maganavox Tubes Made in USA?
  215. Magic Eye VU Meter
  216. More EBAY Madness !!
  217. Major modifications of a Bogen AP-35
  218. Help with circuitmaker Pentode model
  219. Kt-120 ?
  220. Help with 6F5/6L6 rebuild...
  221. What Speaker for Webcor Tube Amp?
  222. Possible use for Pentagrid tubes??
  223. Rogers Cadet III integrated
  224. Quad II - Can 6P3S-E/GU50 be used as KT66 direct replacement?
  225. Using Grid2 screen signal -
  226. 6n6p tube as output tube for small guitar amp
  227. YAAGLI - Yet Another Aikido Ground Loop Issue
  228. Tube rectifier question.
  229. Dac with tube preamp?
  230. 5712 tube data needed
  231. 180 pF capacitor and other questions
  232. Simple question: Stereo to monos. How.
  233. Plate dissipation specs for 21KQ6
  234. Yaqin pre-out for subwoofer?
  235. Grid Chokes and choke load
  236. First tube amp project: GO!
  237. Hybrid Amp
  238. Circuit weirdness?
  239. How suitable is this tranformer for a Tube Amp Project?
  240. Best way to solder gold-plated components?
  241. Phono EQ hiss/white noise!!!
  242. help needed with grounded grid CCS upgrade
  243. Resistor wattage?
  244. SCORE! Kepco Tube Power supplies!
  245. 6SN7-2A3 SE Amp - James Transformers
  246. Capacitor explosion.
  247. JJ ECC81/12AT7 Longevity
  248. 6V6GTA Tubes, H/K A300 Transformers, Now What?
  249. DIY valve radio
  250. U600 rectifier valve datasheet, please !!!

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