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  1. El84 Pp
  2. Preamp, Euridice?
  3. Has anyone built a PS like this?
  4. Tube sockets in Eagle?
  5. E235L tubes
  6. Grid Input Transformers
  7. Aikido Power Supply
  8. ralph power pp amp with 807 ?
  9. fender clone, 6SJ7 vs. 6SN7
  10. tube stores in moscow
  11. 211 and 845
  12. Need help with amp
  13. Altec 1570B
  14. UL to triode
  15. How can I improve this tube amp (see pics)?
  16. klimo merlin preamp sch wanted
  17. CCS question
  18. *****es brew step 2 ... or grid bias ... how to?
  19. Filaments for the Aikido
  20. RE: RC-19 or RC-30
  21. My experience building a DRD d3A/300B amp
  22. TIP50 + LM317 High Voltage Regulator
  23. Any info on old "Cosmos" amp'?
  24. What more do I need to know?
  25. EBAY Find Of The Year Club LOL
  26. Partial feedback DHP SE amp
  27. newbie question
  28. Tube 1616
  29. Class A tube integrated circuit request
  30. Global Feedback Source Point
  31. These look interesting for that SE project
  32. Phillips AG9008 amp - looking for diagram
  33. 3cx3000
  34. EL86 and speakers? 800 Ohm
  35. Looking for CAT SL-1 Schematic
  36. el84 - 807 ?
  37. Low-voltage Tubebuffer by David Lin
  38. changing diodes with 5AR4 tubes
  39. 801 amp PS
  40. what can I do with these tubes?
  41. How to 'fine tune' your amps?
  42. Otl
  43. Rogers E40a schematic?
  44. Peavey Triple X Rewire! Help!
  45. Butler Monad A 100
  46. Using the UTC LS-33 as a Push-Pull output for 2A3's
  47. 2A3 AC filament hum
  48. A question about diodes...
  49. 5R4WGY/A/B , input filter capacitors
  50. attenuator hook up?
  51. best material for mounting tubes sideways
  52. Amp suggestions needed
  53. CC vs EI I mean toroids are out of question
  54. Newbie need help in designing tube preamp for my 3886 GC??Please Help me!!
  55. Inviting Comment on Schematic
  56. SE 2A3 input stage
  57. DIY Tube Amp Questions
  58. Need tube buffer circuit for sub-woofer out
  59. How to connect electrostatic shield of power transformer?
  60. Your favourite filament supply for DHT's?
  61. Quantum Impex
  62. Channel Switching Real McTube?
  63. so who owns a dac5 or m8 phono
  64. OPT at frequency extremes
  65. Parafeed with resistive load
  66. EL34 SE triode mode A class sch wanted
  67. Dumont (where theres smoke theres sound)
  68. HYBRID- Schematic
  69. I have a pair of JBL control 5 speakers, which valve amp design you recommend?
  70. sovtek 300B
  71. 12au6 preamp
  72. Engineering Drawings PCB Mount Tube Sockets
  73. Help with a choke for first-time DIY...
  74. Power SRPP
  75. Anode Loading Vs. Cathode Loading ?
  76. Purist 2 Line Amp
  77. Yet Another "EURIDICE" Pre Amp, 4CH This Time
  78. radio receiver
  79. Help Vintage Guitar Hummer
  80. Pioneer SM83 and 500k pot
  81. How many ways to connect a pentode...
  82. How do I go about repairing a vintage Pilotone AA-410A monoblock tube amp?
  83. Any pitfalls to tapping voltage doubler?
  84. 5k to 100 or so line transformers
  85. Ongaku 211 and Supravox 215
  86. Help with 6B4G PP amp.
  87. Help me build my Choke I/P preamp PSU
  88. Pinging "DoomPixie"
  89. 6L6 mono amp questions
  90. Help on 300B power trans...
  91. Spud Farmin' Pt. Deux
  92. No Zen
  93. Reuse or rewind choke
  94. Bell Sound Mono Integrated Amplifier
  95. Help with Melos SHA repair
  96. diy guitar tube amp help.
  97. Phase splitter transformers
  98. 6v6 schems
  99. Cathode feedback
  100. Is this a good choice for El34 PP
  101. 6DK6 amp schematics?
  102. so who here builds amps
  103. 3:1 Line Input X-former ?
  104. * 35 watt * 300B SE = super 300B + Class A2
  105. Quirk in Mullard 5-20 circuit
  106. LL1673 as anode load?
  107. preamp/power amp matching
  108. 0A3 and pentode questions (quickie)
  109. where to find transformer to use
  110. C core output design
  111. Unusual Motorola Console
  112. Improving the Aikido line stage...
  113. Poll..anyone interested in an Aikido linestage PCB group buy?
  114. New 6s45p compare to NOS?
  115. Elektra Print L-3500
  116. 300b tube cage
  117. The 'Tater Patch
  118. 2A3 Sovtek characteristics
  119. 300b filament q, yes another one.
  120. Amp repair help needed.
  121. 833a SE Peak A.F. Grid Voltage
  122. DHP driver for 845
  123. Fisher 55-a
  124. Ultralinear Miller capacitance
  125. Simplest OTL?
  126. presence control
  127. Black Gate N cathode formation voltage
  128. Any other reported fragility for 6H30pi?
  129. Help! circuit diagram
  130. Another Gm70 amp !!
  131. 833a Amp 75W SE
  132. Black Gate N-series question
  133. 300B+
  134. Koren's spice models
  135. 50 Power triode
  136. Vertical deflection tubes for audio output?
  137. warmth in different tube types
  138. OT data
  139. Sansui 1000A OPT's
  140. CF biasing and load ???s
  141. improving the Mcintosh C22
  142. An amp that melts 6L6s?
  143. 8ohm speaker on 15 or 3.5 ohm tranny
  144. Choosing a brand as a standard
  145. The power of transformation
  146. wanted- 845 pwr amp p.p.
  147. Heathkit S-33 Information needed.
  148. Leak Stereo 20 - solid state rectifier?
  149. My rebuild 6sn7gt tubes line pre-amp.
  150. CircuitMaker Vacuum Tube model
  151. Mf X-pre
  152. E182CC, E88CC SRPP at low voltage
  153. Debugging my Aikido
  154. SRPP linestage help
  155. Transformer question
  156. Tube Spice Model Problem
  157. Just found a zenith 7g01z in the basement
  158. your next level story - Philosophy of EE 101
  159. JLTI Tube Preamp
  160. squeal in amplifier
  161. ALTEC Line & Bridging Transformer Data??
  162. Tube noob needs some help on PSU
  163. Preamp PSU Design Help
  164. GZ37 Substitution?
  165. help disigning 12AY7 based mic pre
  166. I m confuse ! expert help
  167. Removing a pot.
  168. diyparadiso kits?
  169. Help with linestage power supply
  170. TX103 - RJM 6DJ8 - TX102 preamp
  171. Replace the field coil spk with Electromagnetic dynamic spk
  172. Gu50 output problems
  173. SRPP: adifferent perspective
  174. Fixed or self bias?
  175. 211 amp PSU question
  176. Help! transformer overheating!
  177. more ebay stuff
  178. 6KG6, output stage & PSpice
  179. 6C33C-B Failure Mode?
  180. manley 300b preamp schematic required
  181. 115 V transformer on 230 V ???
  182. Hoffman Amps Turret Lugs?
  183. 300B Reliablity
  184. Metal work in Toronto
  185. What happens when you starve a heater?
  186. se 6c33c or se el34 schematic
  187. AVO MkIV User Guide
  188. Altec A150C and 531B psu
  189. What's been broken?
  190. tubes here...
  191. Voltage drop AZ1 = AZ11 = RGN1064 rectifier tube
  192. The Beast...
  193. Looking for Mikael's KT88 Schematic
  194. 1.2k vs 2.5k TC on a 6550 amp?
  195. Ultimate Tube head phone amp.
  196. Selecting Output Transformers for My WOT Line Preamp
  197. Tube microphone
  198. OP tube convertible PP amps?
  199. The "Valvolozzo" - SE amp with torroids
  200. Phase Splitters
  201. A new setup, advice wanted
  202. 6e2 Magic eye datasheet
  203. Another linestage......
  204. VT52: are the triode and pentode alike?
  205. Long term planning
  206. vintage restoration
  207. Some doubt about my first Tube amp (Heater).
  208. Power supply for Single Ended Amplifier
  209. Another CD player DAC tube modification
  210. philips el6400 tubeamp
  211. NTE Metal Film Resistors?
  212. How much power do I really need?
  213. hey guitar playas, try this one!
  214. 6H30 phono with passive RIAA
  215. I need help troubleshooting a EL84 push pull amp.
  216. Tube Data needed please
  217. Filament Transformer
  218. strange tube
  219. 12AX7 and 12AT7 numerical data
  220. DC/DC converter to power tube amp?
  221. Basic Cathode Follower buffer
  222. Marshall EL84 20/20 schematic needed
  223. Help me!!! I need schematic of Pow-Amp using 6V6
  224. gi30, se pentode?
  225. Any experience with Chinese 6N8P
  226. Source for common mode chokes
  227. Low Power FM stereo transmitter?
  228. Rh807
  229. Replacing a power tube (used as driver for mosfet car amp)...how to bias?
  230. Question about sub out on amp
  231. opt question
  232. Tube socket wanted. (help where)
  233. voltage regulator using ECL84 + OB2
  234. Help! 6sn7GT
  235. tubes n needles
  236. PSpice/LTSpice model for 6AU6/EF94?
  237. 5AR4/GZ34 GT Britain
  238. CCS vs mu-follower. What's the difference?
  239. Need advice on two preamp kits.
  240. My First Tube Amplifier
  241. Output (beam) pentodes / tetrodes suitable for screen grid drive
  242. Patent applications of interest
  243. Rca
  244. Guitar Amps
  245. Melos GK-1 Tube Pre-amp Schematic needed ...
  246. 6L6s and 6AR6s - what can I do with them?
  247. Line stage preamp, based on SY's "Heretical Unity gain line stage"
  248. 1600v HT supply for scope.
  249. Mc 275 CE schema
  250. Help! is this work?

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