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  1. Hello again, plus a couple of Q`s.
  2. My first home audio amp.
  3. Boostrapping?
  4. KT88 budget- Sovtek, Valve Art, EH?
  5. looking for schematic with 6em7 as a driver or...
  6. Multi-Channel Contol Unit
  7. TAD-EL84-STR experience?
  8. OTL question
  9. Good SET for newbie
  10. 6n1p simpl(ish) design
  11. Short list of DIY tube amps with PCBs available...
  12. Parallel feed (choke load) in output stage
  13. Few general question for starter?
  14. winding a simple PP output transformer
  15. Cats prefer 12E1's
  16. Tube vicinity heat problems(maybe?)
  17. Help me design pre-amp PS
  18. Power Amplifier With EL 34
  19. psu design problem
  20. Anyone have info about Jukka Tolonen?
  21. What do you think about this hybrid amp?
  22. Power supplies in mic tube preamps
  23. Hammond 1629SE
  24. 41 Valve Amp? vs 45
  25. DeWald M-1200
  26. Pilot AA-903B Tube Amp
  27. MC225 schematic needed
  28. Can you make a +/- supply with valve rectification ?
  29. Audio Innovations Series 500 problems
  30. Big, Heavy, Tube regulated Lambda Power supply
  31. Audio Note DAC Output Transformer Hookup
  32. Got some tubes, help me properly evaluate them
  33. current flow, which direction?
  34. Tube flashes upon turn on, why?
  35. Odd hum problem
  36. DHT and resistors in parallel w/ heater
  37. Presenting the "Fartbottle" deluxe.
  38. amp mod
  39. Need info about rare Siemens Cf "post tube"
  40. Tube defect - What is the problem.
  41. el84 amp
  42. VIETA A-215 Schematics
  43. 6AR6/6098 ultralinear
  44. Tube kit for beginner
  45. earthing!!!!!!!!!!
  46. Heating only one half of a double triode
  47. Quick question regarding PSU Designer II
  48. calculate +B in EL34 SE triode conect
  49. Help with driver transformer
  50. Tube buffer for a cd player
  51. VSE riaa equalizer phono stage
  52. AC or DC Heater?
  53. looking for a good valve amp to fix
  54. Best operating point for 7044 and 5687
  55. S&B TX102 and preamplier stages
  56. I need help
  57. 6AS7 Mono Block's
  58. Filter/Regulator for B+ Supply
  59. Ecf 83
  60. cheap but good SET amplifier?
  61. DRD calculator
  62. Luxkit A1020 need help!!!
  63. Sophia Electric™ 300B 2.5V Mesh Plate Tubes
  64. benifits of auto bias
  65. KR Enterprice
  66. Preamp Boards From Hong Kong
  67. earthing
  68. Best sounding medium priced EL34 tube?
  69. 6CA5 Rectifier - B2Spice Model
  70. Help needed for a 6L6 Push pull amp
  71. constant current filament regs
  72. 6SN7 Basics (Newbie)
  73. Anyone tried the EH fat bottle 6CA7?
  74. TJ Tubes
  75. My tubes are going down. HELP !!!!
  76. Tino Zottola...where are you ?
  77. Lilliput amp
  78. filament rails
  79. Ss Diodes??
  80. Tube mic preamp
  81. CCS Filament Regulators for split filaments
  82. Quicksilver 8417 power supply caps?
  83. Audio Research LS7
  84. simple valve preamp
  85. valve preamp
  86. stand by switch or not?
  87. Omega Grand 6 and which amp?
  88. Line amp to speakers
  89. a bit more bass?
  90. Output transformer application help please.
  91. 5687 pre...some problems
  92. Recommendations needed for designs of PP pentode strapped as Triode
  93. KT88 push pull noob questions (sry)
  94. Need help identifying Stromberg Carlson Amp
  95. help needed diagnosing Grounded Grid power supply
  96. Building a tube Model????
  97. EL34 best for triode strapping ?
  98. Subwoofer amp
  99. Replacing Valves
  100. help me on 845 scheme....
  101. Help valve newb salvage some old TV tubes
  102. Cathode follower distortion results
  103. Bullet Proof 6L6GC Recommendation PLEASE
  104. newbie recomendations please
  105. NOS Tubes
  106. Audio Research CA-50 tube rolling
  107. OT on Decaware SE84C-S
  108. Change PP Amp Into Phono Pre?
  109. pl84 ore el84
  110. VTL Compact 100 Monoblock x 2.
  111. Battery bias a 6SU7 in the 300b billies
  112. Speaker impedance roughly 6 ohms, 2A3 SET...
  113. B2 Spice SE tranformer parameters
  114. Determining cap values (old radio)
  115. thoughts on 300b operating points with 3k output
  116. Grounded Grid wiring question
  117. PP-Triode , PP-UL , PP-Pentode-strapped-as-Triode
  118. Found some EC8010
  119. SE PX4 or PX25 amp, anyone built one????????
  120. HAL-O Damping Instruments
  121. An intriguing 6S45P direct coupled 300B amplifier
  122. difference between Cayin and Jolida
  123. 417a line preamp help
  124. kenwood trio el84 push pull schematic
  125. Any comments on this design?
  126. Amp for speaker testing
  127. Shielding preamp power supply
  128. Troubleshooting EL34 push pull amp
  129. amp input volume
  130. What Mullard 12AX7 is better?
  131. Universal audio / Avalon mic pre schematics
  132. Since transconductance amps has become so popular lately...
  133. Mecanical PSU hum
  134. help i.d. this amplifier
  135. Question about a hybrid PSU design
  136. 35Z5GT half-wave rectifier
  137. what rating for diode of 450Volts DC
  138. Telefunken 6L6GC ???????
  139. Why are my amps doing this?
  140. How to calculate the gain of an input-driver stage?
  141. 6L6 vs EL34
  142. protect your amps
  143. Snap Ring Octal Sockets
  144. Suitable operating point for 6SN7 as a differential driver ?
  145. Suitable rectifier
  146. 6N1P & SV83 mu stage driving 845?
  147. Has anyone built a transformer coupled preamp?
  148. Circuit diagram for RCA vintage 6BQ5 amplifier?
  149. Driver valve discussion
  150. Help to choose the tubes!
  151. Why hum in one channel only?
  152. DC heater noise WORSE than AC
  153. Rdh 4
  154. 900v B+ Silly time.
  155. tube rectifier arrangement
  156. Matrix Amp?
  157. Dynaco Stereo 70 amplifier
  158. Ultimate power switch?
  159. AC or DC current for 300B and 2A3 tube filaments ?
  160. 0.1uF @ 3000V Ceramic?
  161. Power Triodes in current production
  162. Anyone in the world identify eico trans?
  163. Mullard 5-20 in triode mode
  164. THX certification, or integrated near THX Quality,
  165. Feedback resistor on Baxandall tone stack?
  166. SE Pentode or PP Triode ?
  167. how does one "voice" a tube amp
  168. Musical fidelity Nu-Vista
  169. Tube substitutions in Heathkit W5M
  170. PSUD2 question
  171. 6L6 class A P-P CFB amp
  172. i have a matched pair of 3cx1000a7..
  173. Different silvering patterns on tube tops?
  174. Help with amp rebuild
  175. Mystery (to me) phase inverter?
  176. Biasing
  177. SE KT88 Amp
  178. Good design?
  179. Auto Biasing
  180. nuvistor MC step up
  181. Corian for tube amp?
  182. 6AQ5 Line stage?
  183. 6550 o/p stage
  184. Help with finding preamp schematic
  185. Any experience with this nice toroidal OT?
  186. 300B SE cathode feedback to grid?
  187. hummmmmmm?
  188. no bass makes pedro a whiny boy
  189. Iron, glass, sand and lead.
  190. Is this any good? Considerations
  191. 2A3 SET Output Transformer opinions/recommendations
  192. My 6C45 DC 6C41, advice wanted
  193. DIY valve
  194. A good SE project?
  195. who will build me this special "line tubeamp"
  196. PI filters
  197. Designing a simple dc filament supply?
  198. Rogers Cadett amp
  199. HI & a few words/questions ...
  200. 6d22s
  201. eBay
  202. Chassis layout for Stereo JE Labs 300BDX
  203. Output transformer help
  204. CAD Program for Tubes
  205. 801A/816 tubes wanted
  206. This little thing might save your life!
  207. What happens if I loose the cathode bias?
  208. beginners ecl82 power supply
  209. 2MHz, High voltage source?
  210. beginner's ecl82
  211. Handmade Electronics Metal Punches?
  212. EL34 types
  213. Spice Model 6CW4
  214. El/pl 519
  215. Euridice symetric to Amp?
  216. use of 6dj8 as driver on a direct coupled 2a3 se amp
  217. Western Electric 275A Schematic
  218. Where to source 833 power tube
  219. capacitor reactance
  220. Overvoltaging resistors
  221. EL84 Push Pull amp.
  222. Power supply load capacity
  223. Tube preamp problem
  224. E88C (6DL4/ 8255), any circuit for it?
  225. Is there a name for this drive method?
  226. 6BM8 Question
  227. Tube mic preamp/mixer
  228. Please cast your votes..or make a suggestion or 2
  229. RIAA in LTspice
  230. Parallel ECC82 comment please
  231. A push-pull amp i can live with
  232. Sub-miniature russian amp help
  233. Tube Optical-Isolation Unit
  234. MKP in the Powersupply.
  235. 6SN7-GTB Globe (Chinese)
  236. 12BH7 Specs
  237. Is this worth my time?
  238. choke value
  239. ipod + tubes
  240. Leak tl/25+ OPT selection
  241. Gabevee's Maggie (MAG1515)
  242. Can partial feedback be as effective as global fb for decent damping factor?
  243. Which trans wire is which?
  244. What's wrong with this tube?
  245. F: great sound control with ECC82
  246. 30W UL 6L6P-P amp
  247. 300B stereo SE amp and PP2A3 monoblocks
  248. 6S45P matching
  249. Inductors made for crossover in an amp?
  250. PX4 or AVO44 or AV044 based SETA

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