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  1. Tubelab some simpleSE related Qs
  2. 6L6 PPP UL amp
  3. g2 driven tubes
  4. Selecting an IT impedance
  5. preamp get a hum when volume is at full or 80% is thier away to stop it??
  6. What can you replace the 12AU7A with???
  7. My 12AX7 zero negative feedback preamp, with measurement
  8. improving the Transcendentsound GGP preamp
  9. Check out my new Phono stage
  10. load line UL v.s. triode
  11. Line-Stage w/ balanced output
  12. Dropped a SIF Ba
  13. RCA logos and boxes
  14. Type 24 or 24a for linestage..?
  15. Line output as line input transformer?
  16. Siemens codes
  17. Moskidos on the way.
  18. Another transformer question
  19. KT88 Push-Pull
  20. 45 -> 813 Interstage
  21. Ulyanov currently manufacturing the 6c33C?
  22. Is PSU Designer II correct?
  23. 50c5 push-pull for guitar?
  24. How much weight can the Hammond chassis hold?
  25. Inner detail, as opposed to?
  26. Power Transformer for 6V6 SE Amp Question
  27. Can this schematic work? 6N6P driver with 6C33C-B OTL
  28. Tube rating
  29. Best driver for KT88 Triode SE.
  30. Unusual tubes to drive a JAN 829B
  31. LTP w/CCS tail and plate loads
  32. EL86 OTL
  33. Russian PIO caps. Should I use them?
  34. Fender Twin Reverb VIBRATO PROBLEM - weak vibrato
  35. 300B shootout
  36. Stay tuned for the Pass F4 tube preamp
  37. 6j4 oscillating?
  38. My 6N23P tubes
  39. Dumb question about Twin Reverb speaker load
  40. Tone linestage idea
  41. SimpleSE amp: multiple taps with cathode feedback
  42. 7W enough for 90dB speakers?
  43. Meaning of "hard to drive"
  44. Plate load resistor question
  45. BWD 216a power supply circuit needed, please help
  46. 1st DIY project in a loooooong time
  47. Another AG9016 "addict"
  48. angela EL34 improvement and mods
  49. $120 battery powered tube amp on eBay??
  50. Help with 6AQ5 schematics
  51. 5691 black base?
  52. DIY vacuum tubes!
  53. Replacing 5-pin DIN inputs on a Telefunken Radio? +weird speaker output?
  54. working out Z out for tube with IXYS IXP10M45S plate load
  55. Review of New S-5 K-16LS Kit
  56. Dumb question.
  57. Suggest KT88 Push-Pull schematics, please.
  58. AIKIDO: Main Thread???
  59. 10Y/45 schematic wanted
  60. Dynaco ST-70 Kits Compaired FYI
  61. Mini amp using 12AU7's as power tubes?
  62. Quick question about star grounding
  63. 3K or 5K OPT in EL35 SimpleSE?
  64. Bogen L60 schematic
  65. k-12
  66. Suggestion on tube for CCS
  67. Whats the model for this?
  68. ECL 82 schematic to suggest
  69. Andrea Ciuffoli's KT88 PP
  70. Looking for comments on Welborne Labs PS10 reg. HT supply
  71. Thoughts and suggestions needed.
  72. PSU shunt capacitor selection
  73. Looking for comments in my first 300B project
  74. Transformer Coupling Questions
  75. ECL82 power supply question
  76. CGV-300B Amp Results...Fun.
  77. power transformer rating and tube current - SimpleSE
  78. Ping Drummerwill.
  79. Taking a Hammond 369BX filament winding to the limit?
  80. Using moter run caps in PSU.
  81. Speaker connect: Speakon or banana
  82. 50k or 100k output impedance.
  83. Need help remembering the name of a hybrid amplifier design book
  84. Measuring Output Impedance of Power Supply
  85. knob with long end for alpha pots
  86. IT tutorial n selection
  87. Anybody help identify these tubes
  88. CT wire -quick question
  89. New Amplifier
  90. Master Volume for Active Tube Crossover?
  91. Tube lifetime
  92. Raleigh Audio Preamp - somebody heard ?
  93. Mikael Abdellah SE KT88 ideas and questions
  94. Masco MA-8 for guitar
  95. Bogen CHB-35 to conversion to B-12/B-15
  96. Melos triode 200+ looking for spare parts
  97. Opinions on integrated amp project
  98. 6AL5 for clipping diodes?
  99. Confusion over Knight 600 tester numbers
  100. 12AU7A: I need fuzz, overdrive and distortion schematic
  101. 12AT7 vs 12AU7 (interchangeable?)
  102. Angela Electronics - Customer Service
  103. PAS visits the naughty side of town (red lit)
  104. Summing at the LTPI
  105. Test of ECC81 to 83
  106. Polypropylene caps
  107. Was this already posted here? Handmade tubes video
  108. Twist dc filament wire?
  109. Power transformer: How Big?
  110. Heater supply options and to Vhk rating of 6X4 & 6203
  111. Hickok TV-7A/U settings for 8417 tube?
  112. Hammond 125ESE and sections
  113. 6P15P hybrid amp schema?
  114. Switching voltage converter for HV supply
  115. VT4C output transformer
  116. Sound Multiplex Amp
  117. Suggestions needed for improving Rogers Cadet II PP power amplifier
  118. Adjustable Line out off of Extra Speaker Jack
  119. Transcendere Audio
  120. Wrong capacitors!
  121. 6LW6 operating points
  122. ?? xmer specs for Scott LC 21 or 130 Preamp for rewind...
  123. Loctal 6SN7?
  124. peavey heritage vtx how can i make it clean?
  125. Need some help with simulation
  126. output tranny for 6AK6
  127. What tubes for 7K6PP X-former
  128. Ham radio op makes his own triodes
  129. Newbie looking for some advice on mods and tubes for Cayin TA-30
  130. Power Transconductance Amp with Tubes, How?
  131. using the 6BX7 at low'ish current in Aikido
  132. What preamp should I build?
  133. Transformer hookup question.
  134. Home made vacuum tubes
  135. My New EL84 PP
  136. Hammond power transformer fillament rating
  137. Need help with a Russian Triode
  138. TRAFO NEEDED FOR EL84 pp
  139. Difference between 6JN6 (Berning output) and 6JB6 tubes?
  140. 2A3 SE Amp
  141. Soldering tubes directly to PCB?
  142. pa amp distortion at low volume
  143. Transformer input for guitar
  144. Potted transformers
  145. if this can works...
  146. Differential scope probes?
  147. Fisher X100B Iron
  148. Solid state power suppy for CAT SL-1
  149. Help with wiring a Hammond Power Transformer
  150. User manual for GTA SE-40 Tube Amp ?
  151. tube caps that fit.. anyone?
  152. Heater wires through conduit
  153. AB2 guitar amp design questions
  154. Wanted - Svet Sk4A bases
  155. AC Characteristics of Glow Tubes?
  156. Bargain Used Transformers: Where?
  157. Top cap tube users: pics of your amps?
  158. Question
  159. „New“ Pentode – measuring resistance between grids G2 and G3 – any idea?
  160. Audio Transformers 101
  161. Thinking about having a 211 SET amp built, anyone know of good schematics?
  162. 4-65A Triode curves?
  163. Is This A Good Reliable Tube Tester?
  164. Tube projects
  165. Push-Pull Cathode Bias Resistors
  166. Opinion on 300B SETs
  167. So how tattered is your Morgan Jones?
  168. Friend wants to buy a nice tube preamp
  169. Large Oil Capacitors
  170. Too awesome for words
  171. M65 stereo preamp question
  172. nasty buzz in old 35EH5 amp
  173. 6C33C tube stamp
  174. Question about VTV 6SN7 Schematic
  175. Simple Magic Eye Circuit Wanted
  176. Mute circuit on sonic frontier line one
  177. Data point software?
  178. MingDa MC-3R / icon audio la3 preamp mods
  179. Biasing
  180. Compactron characteristic curves?
  181. Analog Metric grounded grid preamp kit
  182. Possible group buy of Lundahl input/phase splitter transformers.
  183. Audio Measurements
  184. B/A 20-4 tube mono block??
  185. Strange find.. help ID?
  186. 813 Thoughts
  187. External 12V heater supply conversion question
  188. My Latest Acquisition
  189. 50/60/whatever cycle hum
  190. OEP input transformers. Anyone used ??
  191. Restack transformer from PP to SE
  192. Se 807??
  193. Min 9-pin or 7-pin sockets to fit octal-sized holes?
  194. Question about phono preamp schematic
  195. Lectron JH50 unknown parts?
  196. Fostex or Car Speakers for My Tube Car Amp
  197. schematics? (also some questions)
  198. Regulated Power Supply. Bipolar, JFET or MOS?
  199. UL to triode mode conversion on cathode bias amp-different cathode resistors needed?
  200. Blown up resistor in S-5 amp kit...
  201. EZ80 or 81
  202. Gun or Iron?
  203. Shanling SP-80C Problem - DC Spikes?!
  204. Silvertone Organ amp, weird osc section.
  205. Need some advice on a LTP input stage.
  206. CAT 110V to 220 V conversion
  207. When is a compactron not a compactron?
  208. Looking for big Ni lams
  209. Three PP KT88 designs. Which one ... (please;-)
  210. EAR 834P needing repair
  211. How to make non-polarized electrolytic cap?
  212. Toasted PW tranformer?
  213. Tube Cad from Glass-Ware questions
  214. U-links for earthing
  215. Supreme 45 tube amp
  216. Boxing Day Special
  217. Look what Santa brought!
  218. Soft Start for Tubes
  219. Need help to check out this preamp schematic.
  220. What dimensions for perforated AL sheet?
  221. NC pins on submin tubes
  222. Cheap alternative to EF86
  223. MOSFET follower driver oscillation
  224. Fender "Twin Reverb Amp" has no output.
  225. Hi-Fi system build
  226. Car Tube Amp
  227. Tube Identification
  228. Supratek schematics?
  229. Choice of OTL output capacitors
  230. Feedback scheme.
  231. Christmas Eve
  232. Best tubes for Scott 222
  233. HH Scott 222 speaker recommendations and upgrades
  234. mixing coupling cap types
  235. Transformer chassis layout
  236. SimpleSE / Edcor CXSE OPT
  237. Star ground help
  238. What causes my 0D3 to extinguish?
  239. converting UL in triode
  240. Beyer Dynamic BV35570
  241. Lundahl LL1527 phase-splitter
  242. Morgan Jones HPA ...strange startup behaviour
  243. Best Sounding Phono Input Tube
  244. We417+300b
  245. class-A PP amplifier with 2x 845 question
  246. Kismet-300B-amp
  247. Will differential share the same THD characteristics as SE, if same triode is used?
  248. The biggest bunch of tubes ever seen
  249. DHT AC Filament Noise
  250. augmented cathode follower?

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