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  1. recommended resistor wattage
  2. 6.3V Rectifier Tube Lit by 5V
  3. Precision Electronics Amp w/ 6GT5's, Convert to 6L6's?
  4. WE121A, Please critique me
  5. Grommes / Western Electric G5M Tube Mixer Mods
  6. schemes needed
  7. PP to PPP
  8. aikido voltage swing
  9. voltage drop across a CCS...
  10. bogen db20 Schematic
  11. Mullards branded as Telefunkens???
  12. Pentodes; plate resistance; damping...
  13. PP amp has become SE?
  14. anyone mod a NYAL Moscode superIt?
  15. update to phillips sepp otl?
  16. DC filament supply LC or CL
  17. No Bass Control
  18. Unison Research Simply2 or s2schematics
  19. Border Patrol Power Supply
  20. Any leads on repairing a vintage Alamo Capri tube amp? >>
  21. nanocrystalline amorphous OPT
  22. El84 Pp
  23. Preamp, Euridice?
  24. Has anyone built a PS like this?
  25. Tube sockets in Eagle?
  26. E235L tubes
  27. Grid Input Transformers
  28. Aikido Power Supply
  29. ralph power pp amp with 807 ?
  30. fender clone, 6SJ7 vs. 6SN7
  31. tube stores in moscow
  32. 211 and 845
  33. Need help with amp
  34. Altec 1570B
  35. UL to triode
  36. How can I improve this tube amp (see pics)?
  37. klimo merlin preamp sch wanted
  38. CCS question
  39. *****es brew step 2 ... or grid bias ... how to?
  40. Filaments for the Aikido
  41. RE: RC-19 or RC-30
  42. My experience building a DRD d3A/300B amp
  43. TIP50 + LM317 High Voltage Regulator
  44. Any info on old "Cosmos" amp'?
  45. What more do I need to know?
  46. EBAY Find Of The Year Club LOL
  47. Partial feedback DHP SE amp
  48. newbie question
  49. Tube 1616
  50. Class A tube integrated circuit request
  51. Global Feedback Source Point
  52. These look interesting for that SE project
  53. Phillips AG9008 amp - looking for diagram
  54. 3cx3000
  55. EL86 and speakers? 800 Ohm
  56. Looking for CAT SL-1 Schematic
  57. el84 - 807 ?
  58. Low-voltage Tubebuffer by David Lin
  59. changing diodes with 5AR4 tubes
  60. 801 amp PS
  61. what can I do with these tubes?
  62. How to 'fine tune' your amps?
  63. Otl
  64. Rogers E40a schematic?
  65. Peavey Triple X Rewire! Help!
  66. Butler Monad A 100
  67. Using the UTC LS-33 as a Push-Pull output for 2A3's
  68. 2A3 AC filament hum
  69. A question about diodes...
  70. 5R4WGY/A/B , input filter capacitors
  71. attenuator hook up?
  72. best material for mounting tubes sideways
  73. Amp suggestions needed
  74. CC vs EI I mean toroids are out of question
  75. Newbie need help in designing tube preamp for my 3886 GC??Please Help me!!
  76. Inviting Comment on Schematic
  77. SE 2A3 input stage
  78. DIY Tube Amp Questions
  79. Need tube buffer circuit for sub-woofer out
  80. How to connect electrostatic shield of power transformer?
  81. Your favourite filament supply for DHT's?
  82. Quantum Impex
  83. Channel Switching Real McTube?
  84. so who owns a dac5 or m8 phono
  85. OPT at frequency extremes
  86. Parafeed with resistive load
  87. EL34 SE triode mode A class sch wanted
  88. Dumont (where theres smoke theres sound)
  89. HYBRID- Schematic
  90. I have a pair of JBL control 5 speakers, which valve amp design you recommend?
  91. sovtek 300B
  92. 12au6 preamp
  93. Engineering Drawings PCB Mount Tube Sockets
  94. Help with a choke for first-time DIY...
  95. Power SRPP
  96. Anode Loading Vs. Cathode Loading ?
  97. Purist 2 Line Amp
  98. Yet Another "EURIDICE" Pre Amp, 4CH This Time
  99. radio receiver
  100. Help Vintage Guitar Hummer
  101. Pioneer SM83 and 500k pot
  102. How many ways to connect a pentode...
  103. How do I go about repairing a vintage Pilotone AA-410A monoblock tube amp?
  104. Any pitfalls to tapping voltage doubler?
  105. 5k to 100 or so line transformers
  106. Ongaku 211 and Supravox 215
  107. Help with 6B4G PP amp.
  108. Help me build my Choke I/P preamp PSU
  109. Pinging "DoomPixie"
  110. 6L6 mono amp questions
  111. Help on 300B power trans...
  112. Spud Farmin' Pt. Deux
  113. No Zen
  114. Reuse or rewind choke
  115. Bell Sound Mono Integrated Amplifier
  116. Help with Melos SHA repair
  117. diy guitar tube amp help.
  118. Phase splitter transformers
  119. 6v6 schems
  120. Cathode feedback
  121. Is this a good choice for El34 PP
  122. 6DK6 amp schematics?
  123. so who here builds amps
  124. 3:1 Line Input X-former ?
  125. * 35 watt * 300B SE = super 300B + Class A2
  126. Quirk in Mullard 5-20 circuit
  127. LL1673 as anode load?
  128. preamp/power amp matching
  129. 0A3 and pentode questions (quickie)
  130. where to find transformer to use
  131. C core output design
  132. Unusual Motorola Console
  133. Improving the Aikido line stage...
  134. Poll..anyone interested in an Aikido linestage PCB group buy?
  135. New 6s45p compare to NOS?
  136. Elektra Print L-3500
  137. 300b tube cage
  138. The 'Tater Patch
  139. 2A3 Sovtek characteristics
  140. 300b filament q, yes another one.
  141. Amp repair help needed.
  142. 833a SE Peak A.F. Grid Voltage
  143. DHP driver for 845
  144. Fisher 55-a
  145. Ultralinear Miller capacitance
  146. Simplest OTL?
  147. presence control
  148. Black Gate N cathode formation voltage
  149. Any other reported fragility for 6H30pi?
  150. Help! circuit diagram
  151. Another Gm70 amp !!
  152. 833a Amp 75W SE
  153. Black Gate N-series question
  154. 300B+
  155. Koren's spice models
  156. 50 Power triode
  157. Vertical deflection tubes for audio output?
  158. warmth in different tube types
  159. OT data
  160. Sansui 1000A OPT's
  161. CF biasing and load ???s
  162. improving the Mcintosh C22
  163. An amp that melts 6L6s?
  164. 8ohm speaker on 15 or 3.5 ohm tranny
  165. Choosing a brand as a standard
  166. The power of transformation
  167. wanted- 845 pwr amp p.p.
  168. Heathkit S-33 Information needed.
  169. Leak Stereo 20 - solid state rectifier?
  170. My rebuild 6sn7gt tubes line pre-amp.
  171. CircuitMaker Vacuum Tube model
  172. Mf X-pre
  173. E182CC, E88CC SRPP at low voltage
  174. Debugging my Aikido
  175. SRPP linestage help
  176. Transformer question
  177. Tube Spice Model Problem
  178. Just found a zenith 7g01z in the basement
  179. your next level story - Philosophy of EE 101
  180. JLTI Tube Preamp
  181. squeal in amplifier
  182. ALTEC Line & Bridging Transformer Data??
  183. Tube noob needs some help on PSU
  184. Preamp PSU Design Help
  185. GZ37 Substitution?
  186. help disigning 12AY7 based mic pre
  187. I m confuse ! expert help
  188. Removing a pot.
  189. diyparadiso kits?
  190. Help with linestage power supply
  191. TX103 - RJM 6DJ8 - TX102 preamp
  192. Replace the field coil spk with Electromagnetic dynamic spk
  193. Gu50 output problems
  194. SRPP: adifferent perspective
  195. Fixed or self bias?
  196. 211 amp PSU question
  197. Help! transformer overheating!
  198. more ebay stuff
  199. 6KG6, output stage & PSpice
  200. 6C33C-B Failure Mode?
  201. manley 300b preamp schematic required
  202. 115 V transformer on 230 V ???
  203. Hoffman Amps Turret Lugs?
  204. 300B Reliablity
  205. Metal work in Toronto
  206. What happens when you starve a heater?
  207. se 6c33c or se el34 schematic
  208. AVO MkIV User Guide
  209. Altec A150C and 531B psu
  210. What's been broken?
  211. tubes here...
  212. Voltage drop AZ1 = AZ11 = RGN1064 rectifier tube
  213. The Beast...
  214. Looking for Mikael's KT88 Schematic
  215. 1.2k vs 2.5k TC on a 6550 amp?
  216. Ultimate Tube head phone amp.
  217. Selecting Output Transformers for My WOT Line Preamp
  218. Tube microphone
  219. OP tube convertible PP amps?
  220. The "Valvolozzo" - SE amp with torroids
  221. Phase Splitters
  222. A new setup, advice wanted
  223. 6e2 Magic eye datasheet
  224. Another linestage......
  225. VT52: are the triode and pentode alike?
  226. Long term planning
  227. vintage restoration
  228. Some doubt about my first Tube amp (Heater).
  229. Power supply for Single Ended Amplifier
  230. Another CD player DAC tube modification
  231. philips el6400 tubeamp
  232. NTE Metal Film Resistors?
  233. How much power do I really need?
  234. hey guitar playas, try this one!
  235. 6H30 phono with passive RIAA
  236. I need help troubleshooting a EL84 push pull amp.
  237. Tube Data needed please
  238. Filament Transformer
  239. strange tube
  240. 12AX7 and 12AT7 numerical data
  241. DC/DC converter to power tube amp?
  242. Basic Cathode Follower buffer
  243. Marshall EL84 20/20 schematic needed
  244. Help me!!! I need schematic of Pow-Amp using 6V6
  245. gi30, se pentode?
  246. Any experience with Chinese 6N8P
  247. Source for common mode chokes
  248. Low Power FM stereo transmitter?
  249. Rh807
  250. Replacing a power tube (used as driver for mosfet car amp)...how to bias?

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