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  1. tube stores in moscow
  2. 211 and 845
  3. Need help with amp
  4. Altec 1570B
  5. UL to triode
  6. How can I improve this tube amp (see pics)?
  7. klimo merlin preamp sch wanted
  8. CCS question
  9. *****es brew step 2 ... or grid bias ... how to?
  10. Filaments for the Aikido
  11. RE: RC-19 or RC-30
  12. My experience building a DRD d3A/300B amp
  13. TIP50 + LM317 High Voltage Regulator
  14. Any info on old "Cosmos" amp'?
  15. What more do I need to know?
  16. EBAY Find Of The Year Club LOL
  17. Partial feedback DHP SE amp
  18. newbie question
  19. Tube 1616
  20. Class A tube integrated circuit request
  21. Global Feedback Source Point
  22. These look interesting for that SE project
  23. Phillips AG9008 amp - looking for diagram
  24. 3cx3000
  25. EL86 and speakers? 800 Ohm
  26. Looking for CAT SL-1 Schematic
  27. el84 - 807 ?
  28. Low-voltage Tubebuffer by David Lin
  29. changing diodes with 5AR4 tubes
  30. 801 amp PS
  31. what can I do with these tubes?
  32. How to 'fine tune' your amps?
  33. Otl
  34. Rogers E40a schematic?
  35. Peavey Triple X Rewire! Help!
  36. Butler Monad A 100
  37. Using the UTC LS-33 as a Push-Pull output for 2A3's
  38. 2A3 AC filament hum
  39. A question about diodes...
  40. 5R4WGY/A/B , input filter capacitors
  41. attenuator hook up?
  42. best material for mounting tubes sideways
  43. Amp suggestions needed
  44. CC vs EI I mean toroids are out of question
  45. Newbie need help in designing tube preamp for my 3886 GC??Please Help me!!
  46. Inviting Comment on Schematic
  47. SE 2A3 input stage
  48. DIY Tube Amp Questions
  49. Need tube buffer circuit for sub-woofer out
  50. How to connect electrostatic shield of power transformer?
  51. Your favourite filament supply for DHT's?
  52. Quantum Impex
  53. Channel Switching Real McTube?
  54. so who owns a dac5 or m8 phono
  55. OPT at frequency extremes
  56. Parafeed with resistive load
  57. EL34 SE triode mode A class sch wanted
  58. Dumont (where theres smoke theres sound)
  59. HYBRID- Schematic
  60. I have a pair of JBL control 5 speakers, which valve amp design you recommend?
  61. sovtek 300B
  62. 12au6 preamp
  63. Engineering Drawings PCB Mount Tube Sockets
  64. Help with a choke for first-time DIY...
  65. Power SRPP
  66. Anode Loading Vs. Cathode Loading ?
  67. Purist 2 Line Amp
  68. Yet Another "EURIDICE" Pre Amp, 4CH This Time
  69. radio receiver
  70. Help Vintage Guitar Hummer
  71. Pioneer SM83 and 500k pot
  72. How many ways to connect a pentode...
  73. How do I go about repairing a vintage Pilotone AA-410A monoblock tube amp?
  74. Any pitfalls to tapping voltage doubler?
  75. 5k to 100 or so line transformers
  76. Ongaku 211 and Supravox 215
  77. Help with 6B4G PP amp.
  78. Help me build my Choke I/P preamp PSU
  79. Pinging "DoomPixie"
  80. 6L6 mono amp questions
  81. Help on 300B power trans...
  82. Spud Farmin' Pt. Deux
  83. No Zen
  84. Reuse or rewind choke
  85. Bell Sound Mono Integrated Amplifier
  86. Help with Melos SHA repair
  87. diy guitar tube amp help.
  88. Phase splitter transformers
  89. 6v6 schems
  90. Cathode feedback
  91. Is this a good choice for El34 PP
  92. 6DK6 amp schematics?
  93. so who here builds amps
  94. 3:1 Line Input X-former ?
  95. * 35 watt * 300B SE = super 300B + Class A2
  96. Quirk in Mullard 5-20 circuit
  97. LL1673 as anode load?
  98. preamp/power amp matching
  99. 0A3 and pentode questions (quickie)
  100. where to find transformer to use
  101. C core output design
  102. Unusual Motorola Console
  103. Improving the Aikido line stage...
  104. Poll..anyone interested in an Aikido linestage PCB group buy?
  105. New 6s45p compare to NOS?
  106. Elektra Print L-3500
  107. 300b tube cage
  108. The 'Tater Patch
  109. 2A3 Sovtek characteristics
  110. 300b filament q, yes another one.
  111. Amp repair help needed.
  112. 833a SE Peak A.F. Grid Voltage
  113. DHP driver for 845
  114. Fisher 55-a
  115. Ultralinear Miller capacitance
  116. Simplest OTL?
  117. presence control
  118. Black Gate N cathode formation voltage
  119. Any other reported fragility for 6H30pi?
  120. Help! circuit diagram
  121. Another Gm70 amp !!
  122. 833a Amp 75W SE
  123. Black Gate N-series question
  124. 300B+
  125. Koren's spice models
  126. 50 Power triode
  127. Vertical deflection tubes for audio output?
  128. warmth in different tube types
  129. OT data
  130. Sansui 1000A OPT's
  131. CF biasing and load ???s
  132. improving the Mcintosh C22
  133. An amp that melts 6L6s?
  134. 8ohm speaker on 15 or 3.5 ohm tranny
  135. Choosing a brand as a standard
  136. The power of transformation
  137. wanted- 845 pwr amp p.p.
  138. Heathkit S-33 Information needed.
  139. Leak Stereo 20 - solid state rectifier?
  140. My rebuild 6sn7gt tubes line pre-amp.
  141. CircuitMaker Vacuum Tube model
  142. Mf X-pre
  143. E182CC, E88CC SRPP at low voltage
  144. Debugging my Aikido
  145. SRPP linestage help
  146. Transformer question
  147. Tube Spice Model Problem
  148. Just found a zenith 7g01z in the basement
  149. your next level story - Philosophy of EE 101
  150. JLTI Tube Preamp
  151. squeal in amplifier
  152. ALTEC Line & Bridging Transformer Data??
  153. Tube noob needs some help on PSU
  154. Preamp PSU Design Help
  155. GZ37 Substitution?
  156. help disigning 12AY7 based mic pre
  157. I m confuse ! expert help
  158. Removing a pot.
  159. diyparadiso kits?
  160. Help with linestage power supply
  161. TX103 - RJM 6DJ8 - TX102 preamp
  162. Replace the field coil spk with Electromagnetic dynamic spk
  163. Gu50 output problems
  164. SRPP: adifferent perspective
  165. Fixed or self bias?
  166. 211 amp PSU question
  167. Help! transformer overheating!
  168. more ebay stuff
  169. 6KG6, output stage & PSpice
  170. 6C33C-B Failure Mode?
  171. manley 300b preamp schematic required
  172. 115 V transformer on 230 V ???
  173. Hoffman Amps Turret Lugs?
  174. 300B Reliablity
  175. Metal work in Toronto
  176. What happens when you starve a heater?
  177. se 6c33c or se el34 schematic
  178. AVO MkIV User Guide
  179. Altec A150C and 531B psu
  180. What's been broken?
  181. tubes here...
  182. Voltage drop AZ1 = AZ11 = RGN1064 rectifier tube
  183. The Beast...
  184. Looking for Mikael's KT88 Schematic
  185. 1.2k vs 2.5k TC on a 6550 amp?
  186. Ultimate Tube head phone amp.
  187. Selecting Output Transformers for My WOT Line Preamp
  188. Tube microphone
  189. OP tube convertible PP amps?
  190. The "Valvolozzo" - SE amp with torroids
  191. Phase Splitters
  192. A new setup, advice wanted
  193. 6e2 Magic eye datasheet
  194. Another linestage......
  195. VT52: are the triode and pentode alike?
  196. Long term planning
  197. vintage restoration
  198. Some doubt about my first Tube amp (Heater).
  199. Power supply for Single Ended Amplifier
  200. Another CD player DAC tube modification
  201. philips el6400 tubeamp
  202. NTE Metal Film Resistors?
  203. How much power do I really need?
  204. hey guitar playas, try this one!
  205. 6H30 phono with passive RIAA
  206. I need help troubleshooting a EL84 push pull amp.
  207. Tube Data needed please
  208. Filament Transformer
  209. strange tube
  210. 12AX7 and 12AT7 numerical data
  211. DC/DC converter to power tube amp?
  212. Basic Cathode Follower buffer
  213. Marshall EL84 20/20 schematic needed
  214. Help me!!! I need schematic of Pow-Amp using 6V6
  215. gi30, se pentode?
  216. Any experience with Chinese 6N8P
  217. Source for common mode chokes
  218. Low Power FM stereo transmitter?
  219. Rh807
  220. Replacing a power tube (used as driver for mosfet car amp)...how to bias?
  221. Question about sub out on amp
  222. opt question
  223. Tube socket wanted. (help where)
  224. voltage regulator using ECL84 + OB2
  225. Help! 6sn7GT
  226. tubes n needles
  227. PSpice/LTSpice model for 6AU6/EF94?
  228. 5AR4/GZ34 GT Britain
  229. CCS vs mu-follower. What's the difference?
  230. Need advice on two preamp kits.
  231. My First Tube Amplifier
  232. Output (beam) pentodes / tetrodes suitable for screen grid drive
  233. Patent applications of interest
  234. Rca
  235. Guitar Amps
  236. Melos GK-1 Tube Pre-amp Schematic needed ...
  237. 6L6s and 6AR6s - what can I do with them?
  238. Line stage preamp, based on SY's "Heretical Unity gain line stage"
  239. 1600v HT supply for scope.
  240. Mc 275 CE schema
  241. Help! is this work?
  242. Some questons on a DIY system.
  243. pinout on 6GT5A tube
  244. 50Hz hum after increasing grid stopper
  245. A Heretical Unity Gain Line Stage part II
  246. 832A Push Pull 5W
  247. PSpice/LTSpice model for 12AY7/6072 wanted
  248. Is this circuit I drew ok?
  249. Suggest a preamp for cd/tuner
  250. EL84 to 6l6

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