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  1. glass audio 1995 "Single Ended Glory"
  2. Manual for Heathkit AA-121 Power Amp
  3. Low gain triode recommendation plz
  4. Tubelab PP question
  5. Output transformer impedance question
  6. Choke... The side makes difference?
  7. Tubelab...Why "sandy" SE amps?
  8. Fostex Meets Pentode I need some NFB
  9. Oddball Sweep tubes in PP
  10. big doubt: dynakit st35 VS diytube st35clone
  11. Noob - where to start?
  12. Compactron Output Tubes
  13. XPP amp
  14. Tubelab SE ... which 5AR4 ?
  15. Getting only 400 hours on Class A2 PP tube
  16. Pete Millett's 829B amp -> monoblocks
  17. 6JU8A Spec confusion
  18. post on amp design by a newbie
  19. (INDIA) ECC802S/EL84 build, hardware requirements
  20. 6gw8 /ECL86 El Cheapo modifications
  21. Danielak's 300B design
  22. 6080 @ 800A Question ...
  23. Groundplane layout theory
  24. delay on for 83 mercury vapor
  25. Anyone tried "Weber Copper" SS rectifyers?
  26. Scored a bunch of tubes at HamCon
  27. AB2 Anyone else done similiar
  28. 6v6 pp amplifier
  29. Loud 60 cycle Hum from tube amp.
  30. Building a Preamp
  31. another Big One....:)
  32. JJ factory pictures ...
  33. Good enough CFs
  34. What's a good way to clean tubes w/o taking off the labeling?
  35. 6BX7 or 12B4A for small SE amp?
  36. Schematic collection posted by a kind soul...
  37. Dumb question, but...
  38. Zen Quad 22
  39. I'm baffled -- 6AK6 push-pull amp
  40. pin count question
  41. 1G3 Max Dissapation?
  42. Edcor Transformers
  43. 12EL6 preamp
  44. Request for EICO HF-20 experiences and ideas
  45. So would this work?
  46. Small-signal (or small power) pentode that can handle 400V (or more)?
  47. Are 6GM8's rare?
  48. How to lower mains voltage using resistors
  49. Music angel XD-SE EL34
  50. Potential project for some inherited transformers
  51. Car Tube Amp?
  52. Marantz 7 Preamp
  53. Euridice pramp but with 45
  54. Tubelab SE Parafeed Monoblocks (5 channel)
  55. Can 6AK6's take high voltages?
  56. Tube equal to one section of a 12AX7?
  57. HK 'Deuce front end on G2 drive output stage?
  58. Direct-coupled cathode/source follower driver in PP?
  59. CCS power supply loading..
  60. Photo Gallery -- Simple SE build
  61. Buying vintage good tubes
  62. current tube manufacturers and or brands
  63. PSU with TL783-question
  64. Hashimoto H-20-7U for 6v6 in triode SE..?
  65. Speakers impedance
  66. mesh plate el34 (supereTNT)
  67. Tagboard amps
  68. Built the DDDAC MKII USB audio card, modified it to feed SRPP tube amp line stage
  69. 6CL6 vs. 12BY7A
  70. Suggestions for a good tube line amp
  71. 12el6
  72. High Squareness Ratio of a Transformer
  73. What causes a tube to crack?
  74. Ming Da MC-7R transformers for Quad 22 clone.
  75. SimpleSE and Switches
  76. Bias and distortion 6EM7
  77. Need ideas - 6L6GA & 6X5GT
  78. tube microphone preamp design ideas
  79. Firestone Air Chief
  80. Zenith Console find, amp suggestions?
  81. 5842 russian equiv 6S45P or 6C45PI ?
  82. bizarre or good topology idea?
  83. 12 EL6 car preamp
  84. Waxy substance leaking from vintage OPT
  85. Output transformer protection fuses
  86. 5670 SRPP DC coupled to 6S4A
  87. L as last filter element?
  88. Strong cigarette smell in a tube amp
  89. Gas coupling?
  90. Differences between nos Tesla E88CC?
  91. Harmonic parrot food?
  92. Modified 6V6 amp, 350 volt @ 250 K HZ output
  93. best current production el34
  94. Help for correct grounding a Dared VP-845
  95. two 6AL5s as a bridge rectifier
  96. JFET Switching on my tube amp
  97. Leak / Dynaco DIY
  98. S-5 tube amp kits
  99. I wanna build a CHEAP mono tube amp, need advice....
  100. 12ax7
  101. Testing for tube shorts
  102. KT66 alternatives in Quad II amps?
  103. FOR TUBE: 350V High Voltage Regulator
  104. what guideline to match pre and amp?
  105. New to list and 300B amp kits
  106. Krank 100w head w/ only 14v output
  107. Silvertone 1448 Output Transformer?
  108. Primary impedance output transformer
  109. isolation transformer
  110. Cloning transformers
  111. EAR509
  112. Tubelab web site down, no more SimpleSE
  113. Schematics of potential interest
  114. super capacitor for dc heater
  115. Need a kit ??
  116. Edcor XSM10K/15K like intestage in tube SE ?
  117. Does anyone know of an LTSpice model for 12B4?
  118. where to order V-Cap ?
  119. Input Volume Pot
  120. Red Army Power-amp
  121. Cloning a HF-60
  122. Michaelson & Austin TVA-1 info
  123. analyze a circuit...quiescence current and R-Load
  124. how to calculate SE Coupling Cap Voltage ?
  125. Tubelab Simple SE Rectifier Problem?
  126. Mullard ECC88
  127. Engineering vs tube rolling
  128. Diode Peak working voltage ?
  129. Help wanted; combining topologies to "new" 807 PPP design ?
  130. Tubelab Simple SE with two Transformers - Centertaps?
  131. Hybrid Amp
  132. transformer information need help
  133. Replacing a cathode resistor with a CCS
  134. DC offset and relays
  135. Sourcing JJ 300B tubes
  136. Decware Vs Rogue Audio
  137. Global Feedback on Mikael's KT88SE
  138. Generating big voltage swings without 'iron'
  139. 6AS7G Grid Voltage ??
  140. Next project 6EM7
  141. Anyone built a tube-based (6BE6 or 6HS8) volume control?
  142. What to replace these caps with?
  143. 5691 plate value ratings
  144. Bussiness trip to Singapore
  145. Paco mike tube amp
  146. Emergency help with Wes' amp
  147. 2A3 without cathode bypass cap???
  148. Best way to burn-in my new SE xfrmers on the bench?
  149. tubelabse pt wiring
  150. Need help with my ST70
  151. 6sn7 direct coupled and transformer coupled
  152. Hickok 605A Test 6DJ8
  153. Grounded Grid Preamp
  154. Beginner WLTM fixer of 300B hum...
  155. Bell 2420 tube amplifier. Bias question. 6v6 push pull
  156. How to figure gain on split-load with positive feedback?
  157. Mikaels KT88SE & VTV Octal Linestage
  158. idiot needs help making sense of funny squigles - Filmosound
  159. Custom Transformer?
  160. How are this schematic ?
  161. Need help with a Tube preamp Kit (6Z4, 6N3)
  162. data sheets for 7239 and 8068
  163. John Swenson's New BDT preamp
  164. no coupling caps
  165. 6SN7GT brand
  166. tube voltage regulator error amp
  167. driving 845's
  168. Just ordered a Korg EMX-1
  169. Maida for Screen Supply
  170. cracked el34 -> replacement squeals
  171. SimpleSE goes Push Pull
  172. Possibly defective Mullard 12AT7?
  173. Basic measurement question re: shorts
  174. EL84 DC 10Y Project
  175. TubeCad Journal FET CCS
  176. russian tube
  177. Source for #81 light bulb for Hickok Fuse
  178. pchw 's tube hybrid amp accurian info
  179. 3c24 se amp
  180. schematic of firstsoundaudio pre amp
  181. 300b-98c mesh bias
  182. 6SN7 coin base tubes
  183. tube rectifiers and electrolytic reforming w/ variac
  184. I'm running my leak stereo 20 single ended. WHAT???
  185. Varnish on old transformer
  186. SE parallel output questions
  187. Darius Loftin White explained
  188. best capacitor
  189. New Sensor's "Mullard" EL34 reissue?
  190. Best Way to Control Plate Voltage?
  191. Any Mods for a Noisy Leak Point one Stereo?
  192. tubes for 87db spendor
  193. 4v for rectifier tube
  194. Need help rebuilding old PA amplifier!
  195. inverted?
  196. Old Tube Radio - Restoration Project
  197. quick - need parts retailers Wash DC area
  198. H&K Tubeman Circuit Questions (added schematics!)
  199. Marshalls: Why did 600V B+ become 470V?
  200. Raising filament winding above cathode with a EZ81 in the circuit OK?
  201. Problem with Beard Audio
  202. 100K pot in a preamp?
  203. Motor Run Capacitor
  204. Power transformer for 6883B tube uses?
  205. EAGLE PCB help with socket on it
  206. Rca Mi-38188
  207. C- Battery Supply
  208. Seperating Preamp from Amp in Integrated Amps
  209. Please help me in getting rid of the buzz.
  210. Tube Phono stage dilema
  211. Grounding with single tap secondary...
  212. VTL - Manley stereo 75
  213. What about KT100 in SE ?
  214. Tube amplifier kit needed to drive low efficiency speaker
  215. feeling very pleased with myself
  216. Quicksilver Retube
  217. My Totem Arro 4 ohm load on KT-88 based amp
  218. using flash camera (and maybe laptop screen or fluorescent) inverters to power tubes
  219. for fans of the EL38 - the E3375
  220. 811a Opt
  221. Pure class-A or class AB?
  222. 12B4 PP Full Differential Amp Notion
  223. My opinion on Audio Note M10 schematic - Japan version
  224. B&K 650 tubecharts
  225. Help, I need your advice - What Next?
  226. Sloppy, Unreadable, Childlike schematics
  227. Anybody going to tomorrow's NVCF fair in Leamington?
  228. Pete's SE E-Linear
  229. 0A2 or 0D3 ?
  230. Counterpoint SA7 modification.. shottky diodes.. thoughts?
  231. LTP feedback
  232. Need help with my super six...
  233. EL509 as a CF
  234. SE Diode
  235. 6FD7, 6BM8 or other
  236. My OLD Project....... cheap tube audio project!!!
  237. tube noise
  238. Fisher 400 questions
  239. RL12P35 amplifier
  240. 6AS7 ppp
  241. 6j5 dc coupled to 12b4a as 2a3 driver
  242. '81 Twin problems
  243. The sound of different EL34s.
  244. Output transformer and FB
  245. Triode curves for 6AU5
  246. 26/el-84 amp possible..?
  247. Vaic 52B monos
  248. Hour Meter for a Tube Amp..
  249. volume pot replacement
  250. Ampex 600

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