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  1. triode strapped tetrode
  2. 6F6G UL Amplifier
  3. Build a VT100?
  4. turrets for tube PC driver board needed
  5. Mikael Abdellah's kt88, (LOADLINES)
  6. piezo amp discussion on loudspeaker forum
  7. Balanced interconnect to differential amp - how would you do it?
  8. Ebay Tube Preamp Kit
  9. Kiwame resistors
  10. Mains isolation - would this work?
  11. 6CA7 Mikael Abdellah's KT88 SE amp?
  12. Tube heaters AC or DC?
  13. Question about system design with the K-12
  14. CCS on SE 2A3 cathode
  15. Saucepan Amplifier
  16. Rectifier query
  17. Fisher 400c
  18. Hum Problem
  19. Shanghai: please recommend some audio shops
  20. Calculating max Anode Voltage
  21. One thought about improved Single Ended amplifier
  22. low distortion sweep generator - not a PC
  23. Any articles on how to bias correctly
  24. Max dissp of EH 6sn7
  25. Switched Capacitor Impedance Converter
  26. Chinese Output transformer for 300B SET
  27. Is a VTVM useful?
  28. Permanent thread name proposal
  29. Loctal Rectifiers
  30. Silk Transformers
  31. Noob Power transformer for Tubelab SimpleSE
  32. Gain Q
  33. What cable between PSU and Amp?
  34. luxman mq 36 schematics
  35. Nonstandard tubes for audio? Quadrature grid chorus effect?
  36. Parts assortments sold with organizer
  37. Re-Gapping OPT
  38. I want to begin but I don't know how!!!
  39. Ultralinear with zener on the screen
  40. ReSEPP Design: 5 Tubes 4 Natural Sound
  41. Chinese Tube Amp?
  42. Ampex 351 - Mic pre
  43. Another ground question
  44. for the life of me
  45. Front Panel Express finishes
  46. transformer spec
  47. diode bridge - 10000uF cap - diode tube - small cap - HV+
  48. passive components affected by magnetic fields?
  49. Help on Pentode Octal Phono Stage (POPS)
  50. Cascode gain. Did I do something wrong?
  51. Bad Tube in my "new" Hammond C2 Organ preamp? HELP w/ diagnosis!!
  52. Need tube data for 10Y
  53. Bending aluminum?
  54. Does anyone recognise this 12AU7?
  55. Phase splitting--how does it work?
  56. Construction technique?
  57. function generator
  58. Ceramic or Magnetic with new preamp?
  59. Melos Triode 200 fuses
  60. Fantasia Disney amp
  61. Ella amplifier problems
  62. SE design questions before I start my project
  63. Single stage preamp
  64. Help me to identify unknown tube
  65. PSU Question...Full Wave Bridge
  66. 6as7g Se
  67. Music Angel Modification
  68. 6SL7 Phono Preamp
  69. Grounded Grid Preamp
  70. Formula question
  71. 6N9S different versions
  72. Stoetkit Amps
  73. PSUD question
  74. 6922 -- curing the ultrasonic RIAA blues
  75. Need Help Setting Heater Voltage
  76. Sub-Miniature Tube Amplifier
  77. Burned out power tube
  78. www.agora.lesina.org
  79. suggestions for a rectifier
  80. scott 222 recap issues
  81. Adcom integrated/tube amp project
  82. Auricaps - 400V vs 450V (SimpleSE)
  83. ratings of output transformer???
  84. Class-g / class-h
  85. Cascading gain stages in a tube preamp
  86. OT impedances calculations: where's my mistake??
  87. phase splitting transformers
  88. Tubelab some simpleSE related Qs
  89. 6L6 PPP UL amp
  90. g2 driven tubes
  91. Selecting an IT impedance
  92. preamp get a hum when volume is at full or 80% is thier away to stop it??
  93. What can you replace the 12AU7A with???
  94. My 12AX7 zero negative feedback preamp, with measurement
  95. improving the Transcendentsound GGP preamp
  96. Check out my new Phono stage
  97. load line UL v.s. triode
  98. Line-Stage w/ balanced output
  99. Dropped a SIF Ba
  100. RCA logos and boxes
  101. Type 24 or 24a for linestage..?
  102. Line output as line input transformer?
  103. Siemens codes
  104. Moskidos on the way.
  105. Another transformer question
  106. KT88 Push-Pull
  107. 45 -> 813 Interstage
  108. Ulyanov currently manufacturing the 6c33C?
  109. Is PSU Designer II correct?
  110. How much weight can the Hammond chassis hold?
  111. Inner detail, as opposed to?
  112. Power Transformer for 6V6 SE Amp Question
  113. Can this schematic work? 6N6P driver with 6C33C-B OTL
  114. Tube rating
  115. Best driver for KT88 Triode SE.
  116. Unusual tubes to drive a JAN 829B
  117. LTP w/CCS tail and plate loads
  118. EL86 OTL
  119. 300B shootout
  120. Stay tuned for the Pass F4 tube preamp
  121. 6j4 oscillating?
  122. My 6N23P tubes
  123. Tone linestage idea
  124. SimpleSE amp: multiple taps with cathode feedback
  125. 7W enough for 90dB speakers?
  126. Meaning of "hard to drive"
  127. Plate load resistor question
  128. BWD 216a power supply circuit needed, please help
  129. 1st DIY project in a loooooong time
  130. Another AG9016 "addict"
  131. angela EL34 improvement and mods
  132. $120 battery powered tube amp on eBay??
  133. Help with 6AQ5 schematics
  134. 5691 black base?
  135. DIY vacuum tubes!
  136. Replacing 5-pin DIN inputs on a Telefunken Radio? +weird speaker output?
  137. working out Z out for tube with IXYS IXP10M45S plate load
  138. Review of New S-5 K-16LS Kit
  139. Dumb question.
  140. Suggest KT88 Push-Pull schematics, please.
  141. AIKIDO: Main Thread???
  142. 10Y/45 schematic wanted
  143. Dynaco ST-70 Kits Compaired FYI
  144. Mini amp using 12AU7's as power tubes?
  145. Quick question about star grounding
  146. 3K or 5K OPT in EL35 SimpleSE?
  147. Bogen L60 schematic
  148. k-12
  149. Suggestion on tube for CCS
  150. Whats the model for this?
  151. ECL 82 schematic to suggest
  152. Andrea Ciuffoli's KT88 PP
  153. Looking for comments on Welborne Labs PS10 reg. HT supply
  154. Thoughts and suggestions needed.
  155. PSU shunt capacitor selection
  156. Looking for comments in my first 300B project
  157. Transformer Coupling Questions
  158. ECL82 power supply question
  159. CGV-300B Amp Results...Fun.
  160. power transformer rating and tube current - SimpleSE
  161. Ping Drummerwill.
  162. Taking a Hammond 369BX filament winding to the limit?
  163. Speaker connect: Speakon or banana
  164. 50k or 100k output impedance.
  165. Need help remembering the name of a hybrid amplifier design book
  166. Measuring Output Impedance of Power Supply
  167. knob with long end for alpha pots
  168. IT tutorial n selection
  169. Anybody help identify these tubes
  170. CT wire -quick question
  171. New Amplifier
  172. Master Volume for Active Tube Crossover?
  173. Tube lifetime
  174. Raleigh Audio Preamp - somebody heard ?
  175. Mikael Abdellah SE KT88 ideas and questions
  176. Bogen CHB-35 to conversion to B-12/B-15
  177. Melos triode 200+ looking for spare parts
  178. Opinions on integrated amp project
  179. 6AL5 for clipping diodes?
  180. Confusion over Knight 600 tester numbers
  181. 12AU7A: I need fuzz, overdrive and distortion schematic
  182. 12AT7 vs 12AU7 (interchangeable?)
  183. Angela Electronics - Customer Service
  184. PAS visits the naughty side of town (red lit)
  185. Summing at the LTPI
  186. Test of ECC81 to 83
  187. Was this already posted here? Handmade tubes video
  188. Twist dc filament wire?
  189. Power transformer: How Big?
  190. Heater supply options and to Vhk rating of 6X4 & 6203
  191. Hickok TV-7A/U settings for 8417 tube?
  192. Hammond 125ESE and sections
  193. 6P15P hybrid amp schema?
  194. Switching voltage converter for HV supply
  195. VT4C output transformer
  196. Sound Multiplex Amp
  197. Suggestions needed for improving Rogers Cadet II PP power amplifier
  198. Adjustable Line out off of Extra Speaker Jack
  199. Transcendere Audio
  200. Wrong capacitors!
  201. 6LW6 operating points
  202. ?? xmer specs for Scott LC 21 or 130 Preamp for rewind...
  203. Loctal 6SN7?
  204. Need some help with simulation
  205. output tranny for 6AK6
  206. What tubes for 7K6PP X-former
  207. Ham radio op makes his own triodes
  208. Newbie looking for some advice on mods and tubes for Cayin TA-30
  209. Power Transconductance Amp with Tubes, How?
  210. using the 6BX7 at low'ish current in Aikido
  211. What preamp should I build?
  212. Transformer hookup question.
  213. Home made vacuum tubes
  214. My New EL84 PP
  215. Hammond power transformer fillament rating
  216. Need help with a Russian Triode
  217. TRAFO NEEDED FOR EL84 pp
  218. Difference between 6JN6 (Berning output) and 6JB6 tubes?
  219. 2A3 SE Amp
  220. Soldering tubes directly to PCB?
  221. pa amp distortion at low volume
  222. Potted transformers
  223. if this can works...
  224. Differential scope probes?
  225. Fisher X100B Iron
  226. Solid state power suppy for CAT SL-1
  227. Help with wiring a Hammond Power Transformer
  228. User manual for GTA SE-40 Tube Amp ?
  229. tube caps that fit.. anyone?
  230. Heater wires through conduit
  231. Wanted - Svet Sk4A bases
  232. AC Characteristics of Glow Tubes?
  233. Bargain Used Transformers: Where?
  234. Top cap tube users: pics of your amps?
  235. Question
  236. „New“ Pentode – measuring resistance between grids G2 and G3 – any idea?
  237. Audio Transformers 101
  238. Thinking about having a 211 SET amp built, anyone know of good schematics?
  239. 4-65A Triode curves?
  240. Is This A Good Reliable Tube Tester?
  241. Tube projects
  242. Push-Pull Cathode Bias Resistors
  243. Opinion on 300B SETs
  244. So how tattered is your Morgan Jones?
  245. Friend wants to buy a nice tube preamp
  246. Large Oil Capacitors
  247. Too awesome for words
  248. M65 stereo preamp question
  249. nasty buzz in old 35EH5 amp
  250. 6C33C tube stamp

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