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  1. 6SN7 troubles!! Help.
  2. Scott LK-72 kit tube amp
  3. Converting AMPEX PR-10
  4. Do I have this CCS configured correctly? Tube preamp..
  5. My current 71a amp
  6. Where to by a tube amp chasis?
  7. JE Labs 300b round 2! layout
  8. OTL Help
  9. Picture of my first tube amp
  10. Your thoughts please
  11. Mcintosh Output Transformers
  12. signal wire
  13. Using 866A Mercury Vapour Rectifiers?
  14. Progress on my JE Labs 300B
  15. Marantz T-1
  16. SE 6c41c/6s41s amp
  17. the unstable sound from tube pre-amp !
  18. Info on Croft Integrated Amp
  19. My first amp: Grounding
  20. how do I increase the bass in 12B4 pre-amp?
  21. DIY curve tester
  22. Anyone has a copy of the superreg of Allan Wright's design
  23. Is this a C core OPT?
  24. Tube Makers
  25. Je labs 300b round 1 : Ding! Ding!
  26. Can someone help me with DIY hybrid preamp? 2sk170 - 6dj8 - cascode
  27. neophyte - transformer potting
  28. Tube CAD Question
  29. Pioneer TX-5A Tuner
  30. Testing Tubes
  31. my first amp: the PSU
  32. Tube Amp Questions
  33. Check my first design, 6900/2A3 IT
  34. EL84 BIAS - how much ??
  35. Best 300B SE OPT?
  36. About tube tape recorder heads
  37. KronZilla
  38. hows this for linear?
  39. What do you think of this circuit?
  40. What are the Most helpful tube websites
  41. Je labs 300b DIY project for NG?
  42. Foreplay pre with Solid State amp? Really?!
  43. Feedback wanted on PSU design
  44. Blue glowing tube
  45. I need a schematic.
  46. vt-25 single-ended
  47. Caps...what the...
  48. Is the KEL-84 a good Starting Point?
  49. Modifications for HK Citation II Power Amplifier
  50. What tube to use?
  51. DC Filament power supply
  52. el34 electroharmonix fat bulb break-in?
  53. MQ-100 Project close to completion!
  54. 6N30P for high voltage
  55. Sweet! Just bought two 1950s PA amps, 300B questions
  56. Comments on a preamp design
  57. Phillps Tube Data
  58. my first valve amp
  59. schematic telequipment D 52
  60. sowter 9050 or Lundahl LL1660 line out transformer?
  61. Can someone explain parafeed & direct coupled & a.c. coupled?
  62. Tube Bias question
  63. Learning PSpice
  64. manley mic pre
  65. GK1 Images
  66. Is this top of bottom view of 12AX7 / 6N30P?
  67. Whatever happend to Svetlana?
  68. R-Core Output Trans from ICL
  69. 26/45 Choice help needed
  70. learning, building and testing tube amp
  71. Where is John Broskie ?
  72. Double push-pull versus single push-pull
  73. Differential SE Amp
  74. Help with homebrew mic preamp please!!!
  75. Chokes.. Importance of and function?
  76. The best of both worlds?
  77. Tango XE Output Iron (merged)
  78. Triode Festival 2002 pictures
  79. Starwars Tubes?
  80. 300B mesh plate, 2,5 Volt Heater
  81. EL84 and EL34 sound
  82. Pcb software for tube designs
  83. Heathkit AA-151 for starting my first DIY build???
  84. Necessary equipment/tools for building
  85. Transcendent T16otl
  86. Gabe's PP EL84 amp kit, anyone?
  87. Russian tubes.
  88. Power Transformers
  89. Using PP output transformers for single ended amp
  90. 6bq5/el84
  91. distortion in one channel of tube amp
  92. Otl
  93. Discoloration inside a tube?
  94. PEARL audio archives
  95. Vademecum nomenclature
  96. 2A3 amp part 1,2,3 (merged)
  97. Luxman MQ360
  98. Paralleling Tubes and SRPP
  99. need amp fast-- found this one, but need schematics
  100. 6922
  101. Thought I better say hello,
  102. 8 watt, 11MSB8 tube amp
  103. Tube amp design parameters (distortion)
  104. help on power supply issues and more!
  105. EL-84 substitute for 7189A
  106. SE OTL amp - What do you think?
  107. Help with tube preamp for solid-state setup
  108. need help/schematics for a tube amp project
  109. SE with the KR300BXL from KR Enterprice
  110. 60Hz/220V??
  111. Regulator for Tube Power Amp
  112. Loose glass envelope
  113. Speaker impedances and output transformers
  114. Dyna Pas 3X?
  115. 12b4a
  116. Good Looking Chassis's
  117. Good Looking Chassis's
  118. 12b4a
  119. Speakers for tubeamp?
  120. SRPP question
  121. 5687 push-pull amp
  122. active plate load v.s. constant current...
  123. 300B Push-Pull and PSE
  124. Tube vs solid state amps
  125. mic preamp help
  126. Newbie question on cheap amp kits
  127. Tube Dampers
  128. Opinions: best current production tubes
  129. line operated design.
  130. Romulus
  131. Hello from Italy & First Question :)
  132. Initial experiences with a common mode choke
  133. Cleaning oxidised tube pins.
  134. 6DJ8/ECC88 IEC 10M Master Series
  135. Electrostatic Shields
  136. E = m x c^2 .... Energy = mass x lightspeed squared
  137. Question about Preamps
  138. Tube Amp Help?
  139. Tube subwoofer amp
  140. Tomb Raider
  141. Anyone make a VU with a magic eye ?
  142. Sovtek datasheets...
  143. 300B pepsi challenge
  144. Templetone AM Raidio ??
  145. Russian EL509 / 6KG6 quality question??
  146. problems after rebuild
  147. Tubes and Solid State Overview
  148. does anyone know this amp?
  149. A-openís new motherboard with vacuum tube preamp
  150. freaky new phonostage
  151. Cathode bypass caps?
  152. 6x5 rectifier substitutes
  153. Found 2000 tubes and gear
  154. Soundcraftsmen 220
  155. Pops and Hisses from garage sale...
  156. Line Output Transformer needs schema
  157. What happens when tube fails
  158. "Aperture" Preamp Chassis
  159. My DIY amp (some pics)
  160. DIY Hi-fi Stereo Tube Amplifier
  161. Blue Tubes the glow
  162. Fisher 80c - knob missing...
  163. .22uf cap in place of .25uf coupling cap, OK?
  164. Balancing PP output - which?
  165. Bias procedure + Schematics cta 501
  166. Magnetic Interactions
  167. Looking for Data/Information on E182CC and 6SN7 tubes
  168. ARC Classic 60 circuit
  169. How to make balanced outputs in a pre amplifier
  170. Audio Research Phono Reference
  171. Copland 501 no sound, NEWBIE
  172. looking for a tube - help!
  173. 6H30 vs 5687 vs 12AU7 vs ?
  174. Output transformer makes odd whining noise
  175. 807 pp amp - help
  176. MFA MC Reference
  177. output xformer comparison
  178. Need GU-81m data
  179. Audio Research Ls 2
  180. Focusing radiated cathode heat back on itself
  181. Audio Research New 12AX7
  182. Old amp-rebuild or dismantle?
  183. Very old tube-amp!
  184. 6bq5
  185. Pro's&con's of PCB's
  186. Tubeamp for tube-newbie
  187. Preamp with 6sn7 & 6sl7 SRPP ???
  188. Any new computer designed tubes?
  189. torroidal x-former suppliers?
  190. torroidal x-former suppliers?
  191. Bridging question
  192. Motherboard w/ integrated tube line stage
  193. Amp idea - your commend pls
  194. 6L6's with low voltage
  195. Jensen Caps!!??
  196. Class of operation measuring
  197. Consonance Amps.
  198. Class AB vs. Class A
  199. Fisher 800C phase inverter adjustment
  200. VT-229s
  201. Fisher Stereo Separation question.
  202. Inverting mode ?
  203. What tubes are best for preamp?
  204. balanced stereo tube preamp for a recording studio
  205. Line preamp for 2A3 amp
  206. 6C33C/6H6P amp - which one?
  207. EC8020: Where I could buy some samples ?
  208. Hi guys, What tube amp projects are there for around $100 or less?
  209. Low-pass filter and driver stage (...only experts !!!)
  210. looking for ultralinear push-pull project
  211. ..my little ecc82 preamp-project
  212. Magnavox 15wp-p
  213. 6c45
  214. Jadis
  215. Cathode bypass cap ?
  216. 6c33c Question
  217. Hi guys. i just got some tubes, and im wondering...
  218. 5687 long tail pair
  219. PSU capacitance and Toobe Rectifiers
  220. Isolation of mains xformers from circuit for headamp
  221. Tube buffer
  222. PSU transformer-tappings
  223. Trouble biasing Copland CTA-501
  224. Where can i find information about diy output transformers?
  225. Input signals and my amp
  226. Looking for a partnering poweramp
  227. Need some help here,please - 3V only amp!
  228. 211 power amp
  229. Hickok 600/605/800 settings?
  230. Power rating for push pull configuration question
  231. Beginners Project: Need a schematics for a small simple EL84 SE (or PSE) amp
  232. tuner
  233. All triode no feedback direct drive for ESL
  234. 5842 or EC8010 with OPT!
  235. Anode choke question
  236. Info about cross coupled phase inverter
  237. I once saw....(looking for a tube amp)
  238. what do you tube gurus think about this?
  239. Tube line-buffer for cd
  240. Just finished my first tubes-preamp
  241. 5687/6900 spice model
  242. Schemi for a small SE EL84 amp
  243. Commercial Tube Monitor Amps
  244. Plate follower and applications
  245. Luxman 3045 tube mono-blocks
  246. Flanagan's book?
  247. Simple follower with 12AX7
  248. Balanced tube linestage???
  249. Tuner with tubes
  250. Lumley reference

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