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  1. Phase splitting--how does it work?
  2. Construction technique?
  3. function generator
  4. Ceramic or Magnetic with new preamp?
  5. Melos Triode 200 fuses
  6. Fantasia Disney amp
  7. Ella amplifier problems
  8. SE design questions before I start my project
  9. Single stage preamp
  10. Help me to identify unknown tube
  11. PSU Question...Full Wave Bridge
  12. 6as7g Se
  13. Music Angel Modification
  14. 6SL7 Phono Preamp
  15. Grounded Grid Preamp
  16. Formula question
  17. 6N9S different versions
  18. Stoetkit Amps
  19. PSUD question
  20. 6922 -- curing the ultrasonic RIAA blues
  21. Need Help Setting Heater Voltage
  22. Sub-Miniature Tube Amplifier
  23. Burned out power tube
  24. www.agora.lesina.org
  25. suggestions for a rectifier
  26. scott 222 recap issues
  27. Adcom integrated/tube amp project
  28. Auricaps - 400V vs 450V (SimpleSE)
  29. ratings of output transformer???
  30. Reverb insertion losses
  31. Class-g / class-h
  32. Cascading gain stages in a tube preamp
  33. OT impedances calculations: where's my mistake??
  34. phase splitting transformers
  35. Tubelab some simpleSE related Qs
  36. 6L6 PPP UL amp
  37. g2 driven tubes
  38. Selecting an IT impedance
  39. preamp get a hum when volume is at full or 80% is thier away to stop it??
  40. What can you replace the 12AU7A with???
  41. My 12AX7 zero negative feedback preamp, with measurement
  42. improving the Transcendentsound GGP preamp
  43. Check out my new Phono stage
  44. load line UL v.s. triode
  45. Line-Stage w/ balanced output
  46. Dropped a SIF Ba
  47. RCA logos and boxes
  48. Type 24 or 24a for linestage..?
  49. Line output as line input transformer?
  50. Siemens codes
  51. Moskidos on the way.
  52. Another transformer question
  53. KT88 Push-Pull
  54. 45 -> 813 Interstage
  55. Ulyanov currently manufacturing the 6c33C?
  56. Is PSU Designer II correct?
  57. 50c5 push-pull for guitar?
  58. How much weight can the Hammond chassis hold?
  59. Inner detail, as opposed to?
  60. Power Transformer for 6V6 SE Amp Question
  61. Can this schematic work? 6N6P driver with 6C33C-B OTL
  62. Tube rating
  63. Best driver for KT88 Triode SE.
  64. Unusual tubes to drive a JAN 829B
  65. LTP w/CCS tail and plate loads
  66. EL86 OTL
  67. Russian PIO caps. Should I use them?
  68. Fender Twin Reverb VIBRATO PROBLEM - weak vibrato
  69. 300B shootout
  70. Stay tuned for the Pass F4 tube preamp
  71. 6j4 oscillating?
  72. My 6N23P tubes
  73. Dumb question about Twin Reverb speaker load
  74. Tone linestage idea
  75. SimpleSE amp: multiple taps with cathode feedback
  76. 7W enough for 90dB speakers?
  77. Meaning of "hard to drive"
  78. Plate load resistor question
  79. BWD 216a power supply circuit needed, please help
  80. 1st DIY project in a loooooong time
  81. Another AG9016 "addict"
  82. angela EL34 improvement and mods
  83. $120 battery powered tube amp on eBay??
  84. Help with 6AQ5 schematics
  85. 5691 black base?
  86. DIY vacuum tubes!
  87. Replacing 5-pin DIN inputs on a Telefunken Radio? +weird speaker output?
  88. working out Z out for tube with IXYS IXP10M45S plate load
  89. Review of New S-5 K-16LS Kit
  90. Dumb question.
  91. Suggest KT88 Push-Pull schematics, please.
  92. AIKIDO: Main Thread???
  93. 10Y/45 schematic wanted
  94. Dynaco ST-70 Kits Compaired FYI
  95. Mini amp using 12AU7's as power tubes?
  96. Quick question about star grounding
  97. 3K or 5K OPT in EL35 SimpleSE?
  98. Bogen L60 schematic
  99. k-12
  100. Suggestion on tube for CCS
  101. Whats the model for this?
  102. ECL 82 schematic to suggest
  103. Andrea Ciuffoli's KT88 PP
  104. Looking for comments on Welborne Labs PS10 reg. HT supply
  105. Thoughts and suggestions needed.
  106. PSU shunt capacitor selection
  107. Looking for comments in my first 300B project
  108. Transformer Coupling Questions
  109. ECL82 power supply question
  110. CGV-300B Amp Results...Fun.
  111. power transformer rating and tube current - SimpleSE
  112. Ping Drummerwill.
  113. Taking a Hammond 369BX filament winding to the limit?
  114. Using moter run caps in PSU.
  115. Speaker connect: Speakon or banana
  116. 50k or 100k output impedance.
  117. Need help remembering the name of a hybrid amplifier design book
  118. Measuring Output Impedance of Power Supply
  119. knob with long end for alpha pots
  120. IT tutorial n selection
  121. Anybody help identify these tubes
  122. CT wire -quick question
  123. New Amplifier
  124. Master Volume for Active Tube Crossover?
  125. Tube lifetime
  126. Raleigh Audio Preamp - somebody heard ?
  127. Mikael Abdellah SE KT88 ideas and questions
  128. Masco MA-8 for guitar
  129. Bogen CHB-35 to conversion to B-12/B-15
  130. Melos triode 200+ looking for spare parts
  131. Opinions on integrated amp project
  132. 6AL5 for clipping diodes?
  133. Confusion over Knight 600 tester numbers
  134. 12AU7A: I need fuzz, overdrive and distortion schematic
  135. 12AT7 vs 12AU7 (interchangeable?)
  136. Angela Electronics - Customer Service
  137. PAS visits the naughty side of town (red lit)
  138. Summing at the LTPI
  139. Test of ECC81 to 83
  140. Polypropylene caps
  141. Was this already posted here? Handmade tubes video
  142. Twist dc filament wire?
  143. Power transformer: How Big?
  144. Heater supply options and to Vhk rating of 6X4 & 6203
  145. Hickok TV-7A/U settings for 8417 tube?
  146. Hammond 125ESE and sections
  147. 6P15P hybrid amp schema?
  148. Switching voltage converter for HV supply
  149. VT4C output transformer
  150. Sound Multiplex Amp
  151. Suggestions needed for improving Rogers Cadet II PP power amplifier
  152. Adjustable Line out off of Extra Speaker Jack
  153. Transcendere Audio
  154. Wrong capacitors!
  155. 6LW6 operating points
  156. ?? xmer specs for Scott LC 21 or 130 Preamp for rewind...
  157. Loctal 6SN7?
  158. peavey heritage vtx how can i make it clean?
  159. Need some help with simulation
  160. output tranny for 6AK6
  161. What tubes for 7K6PP X-former
  162. Ham radio op makes his own triodes
  163. Newbie looking for some advice on mods and tubes for Cayin TA-30
  164. Power Transconductance Amp with Tubes, How?
  165. using the 6BX7 at low'ish current in Aikido
  166. What preamp should I build?
  167. Transformer hookup question.
  168. Home made vacuum tubes
  169. My New EL84 PP
  170. Hammond power transformer fillament rating
  171. Need help with a Russian Triode
  172. TRAFO NEEDED FOR EL84 pp
  173. Difference between 6JN6 (Berning output) and 6JB6 tubes?
  174. 2A3 SE Amp
  175. Soldering tubes directly to PCB?
  176. pa amp distortion at low volume
  177. Transformer input for guitar
  178. Potted transformers
  179. if this can works...
  180. Differential scope probes?
  181. Fisher X100B Iron
  182. Solid state power suppy for CAT SL-1
  183. Help with wiring a Hammond Power Transformer
  184. User manual for GTA SE-40 Tube Amp ?
  185. tube caps that fit.. anyone?
  186. Heater wires through conduit
  187. AB2 guitar amp design questions
  188. Wanted - Svet Sk4A bases
  189. AC Characteristics of Glow Tubes?
  190. Bargain Used Transformers: Where?
  191. Top cap tube users: pics of your amps?
  192. Question
  193. „New“ Pentode – measuring resistance between grids G2 and G3 – any idea?
  194. Audio Transformers 101
  195. Thinking about having a 211 SET amp built, anyone know of good schematics?
  196. 4-65A Triode curves?
  197. Is This A Good Reliable Tube Tester?
  198. Tube projects
  199. Push-Pull Cathode Bias Resistors
  200. Opinion on 300B SETs
  201. So how tattered is your Morgan Jones?
  202. Friend wants to buy a nice tube preamp
  203. Large Oil Capacitors
  204. Too awesome for words
  205. M65 stereo preamp question
  206. nasty buzz in old 35EH5 amp
  207. 6C33C tube stamp
  208. Question about VTV 6SN7 Schematic
  209. Simple Magic Eye Circuit Wanted
  210. Mute circuit on sonic frontier line one
  211. Data point software?
  212. MingDa MC-3R / icon audio la3 preamp mods
  213. Biasing
  214. Compactron characteristic curves?
  215. Analog Metric grounded grid preamp kit
  216. Possible group buy of Lundahl input/phase splitter transformers.
  217. Audio Measurements
  218. B/A 20-4 tube mono block??
  219. Strange find.. help ID?
  220. 813 Thoughts
  221. External 12V heater supply conversion question
  222. My Latest Acquisition
  223. 50/60/whatever cycle hum
  224. OEP input transformers. Anyone used ??
  225. Restack transformer from PP to SE
  226. Se 807??
  227. Min 9-pin or 7-pin sockets to fit octal-sized holes?
  228. Question about phono preamp schematic
  229. Lectron JH50 unknown parts?
  230. Fostex or Car Speakers for My Tube Car Amp
  231. schematics? (also some questions)
  232. Regulated Power Supply. Bipolar, JFET or MOS?
  233. UL to triode mode conversion on cathode bias amp-different cathode resistors needed?
  234. Blown up resistor in S-5 amp kit...
  235. EZ80 or 81
  236. Gun or Iron?
  237. Shanling SP-80C Problem - DC Spikes?!
  238. Silvertone Organ amp, weird osc section.
  239. Need some advice on a LTP input stage.
  240. CAT 110V to 220 V conversion
  241. When is a compactron not a compactron?
  242. Looking for big Ni lams
  243. Three PP KT88 designs. Which one ... (please;-)
  244. EAR 834P needing repair
  245. How to make non-polarized electrolytic cap?
  246. Toasted PW tranformer?
  247. Tube Cad from Glass-Ware questions
  248. U-links for earthing
  249. Supreme 45 tube amp
  250. Boxing Day Special

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