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  1. Fisher 400c
  2. Hum Problem
  3. Shanghai: please recommend some audio shops
  4. Calculating max Anode Voltage
  5. One thought about improved Single Ended amplifier
  6. low distortion sweep generator - not a PC
  7. Any articles on how to bias correctly
  8. Max dissp of EH 6sn7
  9. Switched Capacitor Impedance Converter
  10. Chinese Output transformer for 300B SET
  11. Is a VTVM useful?
  12. Permanent thread name proposal
  13. Loctal Rectifiers
  14. Silk Transformers
  15. Noob Power transformer for Tubelab SimpleSE
  16. Gain Q
  17. What cable between PSU and Amp?
  18. luxman mq 36 schematics
  19. Nonstandard tubes for audio? Quadrature grid chorus effect?
  20. Parts assortments sold with organizer
  21. Re-Gapping OPT
  22. I want to begin but I don't know how!!!
  23. Ultralinear with zener on the screen
  24. ReSEPP Design: 5 Tubes 4 Natural Sound
  25. Chinese Tube Amp?
  26. Ampex 351 - Mic pre
  27. Another ground question
  28. for the life of me
  29. Front Panel Express finishes
  30. transformer spec
  31. diode bridge - 10000uF cap - diode tube - small cap - HV+
  32. passive components affected by magnetic fields?
  33. Help on Pentode Octal Phono Stage (POPS)
  34. Cascode gain. Did I do something wrong?
  35. Bad Tube in my "new" Hammond C2 Organ preamp? HELP w/ diagnosis!!
  36. Need tube data for 10Y
  37. Bending aluminum?
  38. Does anyone recognise this 12AU7?
  39. Phase splitting--how does it work?
  40. Construction technique?
  41. function generator
  42. Ceramic or Magnetic with new preamp?
  43. Melos Triode 200 fuses
  44. Fantasia Disney amp
  45. Ella amplifier problems
  46. SE design questions before I start my project
  47. Single stage preamp
  48. Help me to identify unknown tube
  49. PSU Question...Full Wave Bridge
  50. 6as7g Se
  51. Music Angel Modification
  52. 6SL7 Phono Preamp
  53. Grounded Grid Preamp
  54. Formula question
  55. 6N9S different versions
  56. Stoetkit Amps
  57. PSUD question
  58. 6922 -- curing the ultrasonic RIAA blues
  59. Need Help Setting Heater Voltage
  60. Sub-Miniature Tube Amplifier
  61. Burned out power tube
  62. www.agora.lesina.org
  63. suggestions for a rectifier
  64. scott 222 recap issues
  65. Adcom integrated/tube amp project
  66. Auricaps - 400V vs 450V (SimpleSE)
  67. ratings of output transformer???
  68. Reverb insertion losses
  69. Class-g / class-h
  70. Cascading gain stages in a tube preamp
  71. OT impedances calculations: where's my mistake??
  72. phase splitting transformers
  73. Tubelab some simpleSE related Qs
  74. 6L6 PPP UL amp
  75. g2 driven tubes
  76. Selecting an IT impedance
  77. preamp get a hum when volume is at full or 80% is thier away to stop it??
  78. What can you replace the 12AU7A with???
  79. My 12AX7 zero negative feedback preamp, with measurement
  80. improving the Transcendentsound GGP preamp
  81. Check out my new Phono stage
  82. load line UL v.s. triode
  83. Line-Stage w/ balanced output
  84. Dropped a SIF Ba
  85. RCA logos and boxes
  86. Type 24 or 24a for linestage..?
  87. Line output as line input transformer?
  88. Siemens codes
  89. Moskidos on the way.
  90. Another transformer question
  91. KT88 Push-Pull
  92. 45 -> 813 Interstage
  93. Ulyanov currently manufacturing the 6c33C?
  94. Is PSU Designer II correct?
  95. 50c5 push-pull for guitar?
  96. How much weight can the Hammond chassis hold?
  97. Inner detail, as opposed to?
  98. Power Transformer for 6V6 SE Amp Question
  99. Can this schematic work? 6N6P driver with 6C33C-B OTL
  100. Tube rating
  101. Best driver for KT88 Triode SE.
  102. Unusual tubes to drive a JAN 829B
  103. LTP w/CCS tail and plate loads
  104. EL86 OTL
  105. Russian PIO caps. Should I use them?
  106. Fender Twin Reverb VIBRATO PROBLEM - weak vibrato
  107. 300B shootout
  108. Stay tuned for the Pass F4 tube preamp
  109. 6j4 oscillating?
  110. My 6N23P tubes
  111. Dumb question about Twin Reverb speaker load
  112. Tone linestage idea
  113. SimpleSE amp: multiple taps with cathode feedback
  114. 7W enough for 90dB speakers?
  115. Meaning of "hard to drive"
  116. Plate load resistor question
  117. BWD 216a power supply circuit needed, please help
  118. 1st DIY project in a loooooong time
  119. Another AG9016 "addict"
  120. angela EL34 improvement and mods
  121. $120 battery powered tube amp on eBay??
  122. Help with 6AQ5 schematics
  123. 5691 black base?
  124. DIY vacuum tubes!
  125. Replacing 5-pin DIN inputs on a Telefunken Radio? +weird speaker output?
  126. working out Z out for tube with IXYS IXP10M45S plate load
  127. Review of New S-5 K-16LS Kit
  128. Dumb question.
  129. Suggest KT88 Push-Pull schematics, please.
  130. AIKIDO: Main Thread???
  131. 10Y/45 schematic wanted
  132. Dynaco ST-70 Kits Compaired FYI
  133. Mini amp using 12AU7's as power tubes?
  134. Quick question about star grounding
  135. 3K or 5K OPT in EL35 SimpleSE?
  136. Bogen L60 schematic
  137. k-12
  138. Suggestion on tube for CCS
  139. Whats the model for this?
  140. ECL 82 schematic to suggest
  141. Andrea Ciuffoli's KT88 PP
  142. Looking for comments on Welborne Labs PS10 reg. HT supply
  143. Thoughts and suggestions needed.
  144. PSU shunt capacitor selection
  145. Looking for comments in my first 300B project
  146. Transformer Coupling Questions
  147. ECL82 power supply question
  148. CGV-300B Amp Results...Fun.
  149. power transformer rating and tube current - SimpleSE
  150. Ping Drummerwill.
  151. Taking a Hammond 369BX filament winding to the limit?
  152. Using moter run caps in PSU.
  153. Speaker connect: Speakon or banana
  154. 50k or 100k output impedance.
  155. Need help remembering the name of a hybrid amplifier design book
  156. Measuring Output Impedance of Power Supply
  157. knob with long end for alpha pots
  158. IT tutorial n selection
  159. Anybody help identify these tubes
  160. CT wire -quick question
  161. New Amplifier
  162. Master Volume for Active Tube Crossover?
  163. Tube lifetime
  164. Raleigh Audio Preamp - somebody heard ?
  165. Mikael Abdellah SE KT88 ideas and questions
  166. Masco MA-8 for guitar
  167. Bogen CHB-35 to conversion to B-12/B-15
  168. Melos triode 200+ looking for spare parts
  169. Opinions on integrated amp project
  170. 6AL5 for clipping diodes?
  171. Confusion over Knight 600 tester numbers
  172. 12AU7A: I need fuzz, overdrive and distortion schematic
  173. 12AT7 vs 12AU7 (interchangeable?)
  174. Angela Electronics - Customer Service
  175. PAS visits the naughty side of town (red lit)
  176. Summing at the LTPI
  177. Test of ECC81 to 83
  178. Polypropylene caps
  179. Was this already posted here? Handmade tubes video
  180. Twist dc filament wire?
  181. Power transformer: How Big?
  182. Heater supply options and to Vhk rating of 6X4 & 6203
  183. Hickok TV-7A/U settings for 8417 tube?
  184. Hammond 125ESE and sections
  185. 6P15P hybrid amp schema?
  186. Switching voltage converter for HV supply
  187. VT4C output transformer
  188. Sound Multiplex Amp
  189. Suggestions needed for improving Rogers Cadet II PP power amplifier
  190. Adjustable Line out off of Extra Speaker Jack
  191. Transcendere Audio
  192. Wrong capacitors!
  193. 6LW6 operating points
  194. ?? xmer specs for Scott LC 21 or 130 Preamp for rewind...
  195. Loctal 6SN7?
  196. peavey heritage vtx how can i make it clean?
  197. Need some help with simulation
  198. output tranny for 6AK6
  199. What tubes for 7K6PP X-former
  200. Ham radio op makes his own triodes
  201. Newbie looking for some advice on mods and tubes for Cayin TA-30
  202. Power Transconductance Amp with Tubes, How?
  203. using the 6BX7 at low'ish current in Aikido
  204. What preamp should I build?
  205. Transformer hookup question.
  206. Home made vacuum tubes
  207. My New EL84 PP
  208. Hammond power transformer fillament rating
  209. Need help with a Russian Triode
  210. TRAFO NEEDED FOR EL84 pp
  211. Difference between 6JN6 (Berning output) and 6JB6 tubes?
  212. 2A3 SE Amp
  213. Soldering tubes directly to PCB?
  214. pa amp distortion at low volume
  215. Transformer input for guitar
  216. Potted transformers
  217. if this can works...
  218. Differential scope probes?
  219. Fisher X100B Iron
  220. Solid state power suppy for CAT SL-1
  221. Help with wiring a Hammond Power Transformer
  222. User manual for GTA SE-40 Tube Amp ?
  223. tube caps that fit.. anyone?
  224. Heater wires through conduit
  225. AB2 guitar amp design questions
  226. Wanted - Svet Sk4A bases
  227. AC Characteristics of Glow Tubes?
  228. Bargain Used Transformers: Where?
  229. Top cap tube users: pics of your amps?
  230. Question
  231. „New“ Pentode – measuring resistance between grids G2 and G3 – any idea?
  232. Audio Transformers 101
  233. Thinking about having a 211 SET amp built, anyone know of good schematics?
  234. 4-65A Triode curves?
  235. Is This A Good Reliable Tube Tester?
  236. Tube projects
  237. Push-Pull Cathode Bias Resistors
  238. Opinion on 300B SETs
  239. So how tattered is your Morgan Jones?
  240. Friend wants to buy a nice tube preamp
  241. Large Oil Capacitors
  242. Too awesome for words
  243. M65 stereo preamp question
  244. nasty buzz in old 35EH5 amp
  245. 6C33C tube stamp
  246. Question about VTV 6SN7 Schematic
  247. Simple Magic Eye Circuit Wanted
  248. Mute circuit on sonic frontier line one
  249. Data point software?
  250. MingDa MC-3R / icon audio la3 preamp mods

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