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  1. 2E24 ultralinear
  2. tube pin numbers
  3. Will This possibly work?
  4. What is the right current for a 300B at 400V and -80V grid bias?
  5. Simple Cap-Coupled CF Advise Needed
  6. tube amp layout reality check
  7. plitron
  8. How long does a 7199 last?
  9. Modding Tube Mixer Into DAW Front End
  10. CAE Cascode Diffamp Front End
  11. recommended resistor wattage
  12. 6.3V Rectifier Tube Lit by 5V
  13. Precision Electronics Amp w/ 6GT5's, Convert to 6L6's?
  14. WE121A, Please critique me
  15. Grommes / Western Electric G5M Tube Mixer Mods
  16. schemes needed
  17. PP to PPP
  18. aikido voltage swing
  19. voltage drop across a CCS...
  20. bogen db20 Schematic
  21. Mullards branded as Telefunkens???
  22. Pentodes; plate resistance; damping...
  23. PP amp has become SE?
  24. anyone mod a NYAL Moscode superIt?
  25. update to phillips sepp otl?
  26. DC filament supply LC or CL
  27. No Bass Control
  28. Unison Research Simply2 or s2schematics
  29. Border Patrol Power Supply
  30. Any leads on repairing a vintage Alamo Capri tube amp? >>
  31. nanocrystalline amorphous OPT
  32. El84 Pp
  33. Preamp, Euridice?
  34. Has anyone built a PS like this?
  35. Tube sockets in Eagle?
  36. E235L tubes
  37. Grid Input Transformers
  38. Aikido Power Supply
  39. ralph power pp amp with 807 ?
  40. tube stores in moscow
  41. 211 and 845
  42. Need help with amp
  43. Altec 1570B
  44. UL to triode
  45. How can I improve this tube amp (see pics)?
  46. klimo merlin preamp sch wanted
  47. CCS question
  48. *****es brew step 2 ... or grid bias ... how to?
  49. Filaments for the Aikido
  50. RE: RC-19 or RC-30
  51. My experience building a DRD d3A/300B amp
  52. TIP50 + LM317 High Voltage Regulator
  53. Any info on old "Cosmos" amp'?
  54. What more do I need to know?
  55. EBAY Find Of The Year Club LOL
  56. Partial feedback DHP SE amp
  57. newbie question
  58. Tube 1616
  59. Class A tube integrated circuit request
  60. Global Feedback Source Point
  61. These look interesting for that SE project
  62. Phillips AG9008 amp - looking for diagram
  63. 3cx3000
  64. EL86 and speakers? 800 Ohm
  65. Looking for CAT SL-1 Schematic
  66. el84 - 807 ?
  67. Low-voltage Tubebuffer by David Lin
  68. changing diodes with 5AR4 tubes
  69. 801 amp PS
  70. what can I do with these tubes?
  71. How to 'fine tune' your amps?
  72. Otl
  73. Rogers E40a schematic?
  74. Butler Monad A 100
  75. Using the UTC LS-33 as a Push-Pull output for 2A3's
  76. 2A3 AC filament hum
  77. A question about diodes...
  78. 5R4WGY/A/B , input filter capacitors
  79. attenuator hook up?
  80. best material for mounting tubes sideways
  81. Amp suggestions needed
  82. CC vs EI I mean toroids are out of question
  83. Newbie need help in designing tube preamp for my 3886 GC??Please Help me!!
  84. Inviting Comment on Schematic
  85. SE 2A3 input stage
  86. DIY Tube Amp Questions
  87. Need tube buffer circuit for sub-woofer out
  88. How to connect electrostatic shield of power transformer?
  89. Your favourite filament supply for DHT's?
  90. Quantum Impex
  91. Channel Switching Real McTube?
  92. so who owns a dac5 or m8 phono
  93. OPT at frequency extremes
  94. Parafeed with resistive load
  95. EL34 SE triode mode A class sch wanted
  96. Dumont (where theres smoke theres sound)
  97. HYBRID- Schematic
  98. I have a pair of JBL control 5 speakers, which valve amp design you recommend?
  99. sovtek 300B
  100. 12au6 preamp
  101. Engineering Drawings PCB Mount Tube Sockets
  102. Help with a choke for first-time DIY...
  103. Power SRPP
  104. Anode Loading Vs. Cathode Loading ?
  105. Purist 2 Line Amp
  106. Yet Another "EURIDICE" Pre Amp, 4CH This Time
  107. radio receiver
  108. Pioneer SM83 and 500k pot
  109. How many ways to connect a pentode...
  110. How do I go about repairing a vintage Pilotone AA-410A monoblock tube amp?
  111. Any pitfalls to tapping voltage doubler?
  112. 5k to 100 or so line transformers
  113. Ongaku 211 and Supravox 215
  114. Help with 6B4G PP amp.
  115. Help me build my Choke I/P preamp PSU
  116. Pinging "DoomPixie"
  117. 6L6 mono amp questions
  118. Help on 300B power trans...
  119. Spud Farmin' Pt. Deux
  120. No Zen
  121. Reuse or rewind choke
  122. Bell Sound Mono Integrated Amplifier
  123. Help with Melos SHA repair
  124. Phase splitter transformers
  125. 6v6 schems
  126. Cathode feedback
  127. Is this a good choice for El34 PP
  128. 6DK6 amp schematics?
  129. so who here builds amps
  130. 3:1 Line Input X-former ?
  131. * 35 watt * 300B SE = super 300B + Class A2
  132. Quirk in Mullard 5-20 circuit
  133. LL1673 as anode load?
  134. preamp/power amp matching
  135. 0A3 and pentode questions (quickie)
  136. where to find transformer to use
  137. C core output design
  138. Unusual Motorola Console
  139. Improving the Aikido line stage...
  140. Poll..anyone interested in an Aikido linestage PCB group buy?
  141. New 6s45p compare to NOS?
  142. Elektra Print L-3500
  143. 300b tube cage
  144. The 'Tater Patch
  145. 2A3 Sovtek characteristics
  146. 300b filament q, yes another one.
  147. Amp repair help needed.
  148. 833a SE Peak A.F. Grid Voltage
  149. DHP driver for 845
  150. Fisher 55-a
  151. Ultralinear Miller capacitance
  152. Simplest OTL?
  153. presence control
  154. Black Gate N cathode formation voltage
  155. Any other reported fragility for 6H30pi?
  156. Help! circuit diagram
  157. Another Gm70 amp !!
  158. 833a Amp 75W SE
  159. Black Gate N-series question
  160. 300B+
  161. Koren's spice models
  162. 50 Power triode
  163. Vertical deflection tubes for audio output?
  164. warmth in different tube types
  165. OT data
  166. Sansui 1000A OPT's
  167. CF biasing and load ???s
  168. improving the Mcintosh C22
  169. An amp that melts 6L6s?
  170. 8ohm speaker on 15 or 3.5 ohm tranny
  171. Choosing a brand as a standard
  172. The power of transformation
  173. wanted- 845 pwr amp p.p.
  174. Heathkit S-33 Information needed.
  175. Leak Stereo 20 - solid state rectifier?
  176. My rebuild 6sn7gt tubes line pre-amp.
  177. CircuitMaker Vacuum Tube model
  178. Mf X-pre
  179. E182CC, E88CC SRPP at low voltage
  180. Debugging my Aikido
  181. SRPP linestage help
  182. Transformer question
  183. Tube Spice Model Problem
  184. Just found a zenith 7g01z in the basement
  185. your next level story - Philosophy of EE 101
  186. JLTI Tube Preamp
  187. squeal in amplifier
  188. ALTEC Line & Bridging Transformer Data??
  189. Tube noob needs some help on PSU
  190. Preamp PSU Design Help
  191. GZ37 Substitution?
  192. help disigning 12AY7 based mic pre
  193. I m confuse ! expert help
  194. Removing a pot.
  195. diyparadiso kits?
  196. Help with linestage power supply
  197. TX103 - RJM 6DJ8 - TX102 preamp
  198. Replace the field coil spk with Electromagnetic dynamic spk
  199. Gu50 output problems
  200. SRPP: adifferent perspective
  201. Fixed or self bias?
  202. 211 amp PSU question
  203. Help! transformer overheating!
  204. more ebay stuff
  205. 6KG6, output stage & PSpice
  206. 6C33C-B Failure Mode?
  207. manley 300b preamp schematic required
  208. 115 V transformer on 230 V ???
  209. Hoffman Amps Turret Lugs?
  210. 300B Reliablity
  211. Metal work in Toronto
  212. What happens when you starve a heater?
  213. se 6c33c or se el34 schematic
  214. AVO MkIV User Guide
  215. Altec A150C and 531B psu
  216. What's been broken?
  217. tubes here...
  218. Voltage drop AZ1 = AZ11 = RGN1064 rectifier tube
  219. The Beast...
  220. Looking for Mikael's KT88 Schematic
  221. 1.2k vs 2.5k TC on a 6550 amp?
  222. Ultimate Tube head phone amp.
  223. Selecting Output Transformers for My WOT Line Preamp
  224. Tube microphone
  225. OP tube convertible PP amps?
  226. The "Valvolozzo" - SE amp with torroids
  227. Phase Splitters
  228. A new setup, advice wanted
  229. 6e2 Magic eye datasheet
  230. Another linestage......
  231. VT52: are the triode and pentode alike?
  232. Long term planning
  233. vintage restoration
  234. Some doubt about my first Tube amp (Heater).
  235. Power supply for Single Ended Amplifier
  236. Another CD player DAC tube modification
  237. philips el6400 tubeamp
  238. NTE Metal Film Resistors?
  239. How much power do I really need?
  240. 6H30 phono with passive RIAA
  241. I need help troubleshooting a EL84 push pull amp.
  242. Tube Data needed please
  243. Filament Transformer
  244. strange tube
  245. 12AX7 and 12AT7 numerical data
  246. DC/DC converter to power tube amp?
  247. Basic Cathode Follower buffer
  248. Help me!!! I need schematic of Pow-Amp using 6V6
  249. gi30, se pentode?
  250. Any experience with Chinese 6N8P

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