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  1. musical fidelity f22 schematic wanted
  2. An intriguing 300B SE-direct-coupled-amplifier
  3. Output capacitor
  4. Cascoded Long Tail Pair Inferno!
  5. Tube ornamental rim
  6. What should be mod first in my amp
  7. EL504/PL504 spice model
  8. Long Tail Pair Phase Inverter with Penthode ?
  9. new spice models available
  10. Output Capacitor Value
  11. Popular tube websites notifier
  12. Convergent Preamplifier Schematich
  13. Source of tubes & associated stuff in Sydney?
  14. Projects involving EF50 tubes?
  15. Kt77?
  16. Best way to translate schematic into actual layout?
  17. Clean to breakup range
  18. 26 preamp problem
  19. mono tube microphone preamp
  20. Help designing a tube amp...
  21. MJE350 pinout and ccs issue
  22. KGB- DC Coupled Hybrid Balance OTL/OCL HeadAmp
  23. negative voltage doubler for ccs
  24. Loftin-White
  25. SET amp from 1619 driving a 809. Opinion wanted.
  26. Re:preamp sputtering noise
  27. Building an ECL82 Single Ended Amp ...
  28. help a newbie build his first tube project
  29. Mercury Vapour rectifiers
  30. El Cheapo Circlotron PSU question....
  31. lookin for a tube buffer
  32. Baby SET w/6FD7 and ilk, for Bas and others....
  33. py500A question
  34. Mundorf Silver-oil VS Jensen copper foil
  35. Can you run a Fender Twin Reverb with only two 6L6's?
  36. Drawing Schematics for Tubes
  37. Drive Current for EL509 Enhanced Triode
  38. How to use Svetlana 6d22s?
  39. James Singapore
  40. Oil Filled Capacitor not upright OK?
  41. Aikido using a #26 tube?
  42. Tube and DIY Newbie Kel84 vs Stoetkit Jr.2
  43. ZOTL and ferrites
  44. 6V6 vs EL84 SE UL
  45. Speaker questions for a Silvertone 1472
  46. Component selection
  47. Snap sound on preamp powerup
  48. Secondary voltage for heaters
  49. good schematic archive site
  50. Transitional SIlvertoneAmp between 1472 and 1482?
  51. Cheap Source for Hammond 125ESE
  52. PCF801 - pentode section has remote or sharp cut-off?
  53. Tube as a desk lamp
  54. Ella EL34 Bias Help
  55. tube diy can or can t
  56. Quad II Problems
  57. Choke input P/supply and critical damping
  58. balanced grounded grid preamp
  59. Fluorescent ballasts in SE
  60. Hammond Transformers and EZ80/EZ81
  61. Look what I found this weekend!
  62. Question on 300B tubes from Parts Connexion
  63. Russian Tubes
  64. Help a first timer to select...
  65. GE 5692 BLACK base?
  66. sources on the web for chinese amps
  67. How much capacitance in a power supply
  68. Parallel 12AT7 for 2A3 driver?
  69. Maida's regulator
  70. Common Mode Chokes for Heater Supplies
  71. Ming Da MC34B....passive or active pre amp?
  72. tube power supply upgrade... elna's, RTX, infinicap
  73. What tube do you think this OPT matches?
  74. safety fuse
  75. Short and sweet review of Sun Audio SV-300BE
  76. Help selecting a DIY schematic
  77. OP Transformer power rating guesstimate
  78. need a lot help on an el34 project :P
  79. Anode Follower
  80. CCS for tubes/valves: PCBs
  81. Improvement to DM's Generic Triode Model for 12AU7
  82. ccs, direct coupling and stuff
  83. Replica Pre QUAD 22 - Questions on mids
  84. Is this cap ok for audio?
  85. Remote Controlled Stepped Attenuator
  86. UltraLinear in toroidal parafeed, my findings.
  87. Help to tame a 12AX7/6AQ5 circuit
  88. DIY something like iMPAMP??
  89. Have you seen this tester?
  90. Help with taming a 12AX7 and 6AQ5a amp
  91. Linear Technology 1083CP adjusting problem
  92. radiation tubes
  93. 813 socket dimensions
  94. Cheap SE output transformers
  95. BIAS and B+ caps WKZ or NH
  96. Cleaning tubes...
  97. Manfred Huber
  98. IEC standards, anywhere?
  99. possible volume and balance control - does this look like it will work well?
  100. EL84 Amp - Baby Huey
  101. 6X4
  102. What do you guys use for HV toggles?
  103. Balanced Operation Output Transformer Questions from N00b
  104. Static stain cleaning
  105. 12AX7 preamp project
  106. SE 1.5W OTL
  107. Cross-coupled NFB for PP Pentode
  108. Parallel triodes - CONS?
  109. output transformer spec questions
  110. Choosing Valve
  111. opinions wanted - Lafayette Stereo 224 Tube Amp
  112. New KT77 Tubes by JJ
  113. 60HL5?
  114. Standby switch
  115. Problems With Simple Gounded Cathode Gain Stage
  116. srpp 6c33c
  117. Mullard 5-20/Maplin 4-20 modification to NON-Ultra Linear mode????
  118. Anyone in gta know their tubes?
  119. 801 low power SE amp
  120. superalloy ( 78% nickel/2%cobalt) EI-66 with Furukawa ultimate wire.
  121. OPT resistance for EL84 PP Class A
  122. Whats in this amplifier?
  123. Whose logo?
  124. pentode phase splitter
  125. Is this EL84M UL PP OK?
  126. Tube preamp question...also, chassis layout
  127. Quad II Mods/Tweeks
  128. Trying to recreate a Fisher SA-16
  129. CCS, how it actually works?
  130. 400V CRC PS, what do I do with it?
  131. Does anyone has MILBERT BAM230 TUBE CAR POWER AMPLIFIER
  132. Valve sockets
  133. Can I use 12AT7?
  134. Music Reference RM5 mkIII
  135. Help: Sun Audio Kits where from? EIFL, ELEX, Sun Audio?
  136. Looking for a link on power supply design
  137. Is feedback required for UL EL84PP?
  138. Someone working on an insane tube project?
  139. Load line frustration
  140. Is 12B4/A good for differential pair?
  141. Heretical Unity Gain line stage PLUS a little gain ?
  142. tube vibration
  143. Small temp voltage on phono input-problem?
  144. What's it all about?
  145. IXYS GaAs Schottky Diodes.
  146. Maplin 4-20
  147. Line preamp using 2 ECC88 per channel
  148. What to use as a nice amp case?
  149. Signal Tube Longevity ?!?
  150. HK 250 power amp tube amp schematic
  151. Need help with connecting OPT.
  152. 6SL7 driving SE EL34 ?
  153. power supply tranny
  154. Output Transformer Background
  155. Schematic
  156. no dc passing the opt
  157. New preamp schematics
  158. Transformer ID & Specs Sheet Help
  159. I Know Some Tube Flavors Are Worth More Than Others...
  160. Why hybrid CCS?
  161. Alembic F-2B
  162. Best cap to cathode tube bypass is ..
  163. Cheap el84 se
  164. Bridge rectifier with capacitors???
  165. 4 volt (dc?) heater from 6.3v
  166. Does anyone recognise this valve amp
  167. PS Capacitor Voltage Rating
  168. Which 6SN7 preamp should I build?
  169. Help on upgrading my Tube Preamp
  170. looking for a non-copyrighted preamp schematic
  171. Problems with cathodyne
  172. more gain needed -> how?
  173. OT: Tribute to Kondo-San
  174. PCL82 SE Tube Amplifier Kit
  175. Rectifier voltage difference, Why?
  176. partial feedback stuff
  177. replace 5y3
  178. Sparking Tubes!
  179. Transformer End Bells
  180. DHT Ultrapath Linestage schematic help
  181. Who manufactured are these EL34's?
  182. Tubes and RoHS compliance?
  183. What do you think about this tube preamp?
  184. What's Ra?
  185. Screen grid resistors
  186. Miller compensation - pros/cons?
  187. G. Kaufman's 6GV8/ECL85 regulated psu
  188. 6CA4/EZ81 heater bias
  189. First stab with PSD for 6CK4 amp-what have I got here?
  190. 81 Rectifier
  191. using 40 VDC supply?
  192. Choke current
  193. Why two diodes per branch on a full wave rectifier?
  194. Alps attenuators
  195. Seeking quality PP pre/mono power project (long)
  196. Transformer location
  197. proper choke placement
  198. 6HE5 as output pentode?
  199. A possible good source for steel chassis
  200. Update on DIY 7591 PP bias cap issue!
  201. 832, can you go SE with these?
  202. PX25 SE without NFB
  203. Change my 8417's Quicksilvers to this?
  204. SE EL84 circuit for bi-amp setup?
  205. CLCLC PSU for 6P14P-EV PP
  206. Shielding a Power Tranny
  207. Unison Research Schema Needed
  208. My 2A3 schematic, comments please.
  209. What happend to the PHOTO GALLERY ?
  210. Valve pre-amp maintenance and purchase
  211. sound of 45 v. 205d v. 2a3 v. 300b for headphones
  212. TPAD Devices Kit
  213. Need Help. Anyone with Philips AG 9016??
  214. Question about input sensitivity?
  215. Any help on sth probably simple?
  216. few questions about my amp, pls come in
  217. 7591 Spice Model ?...Anyone ?... I'm Groveling Over Here !
  218. Need regulated solid state PSU
  219. EC31 - Any Datasheet...?
  220. comments on www.shinrock.com???
  221. need schematic reading help
  222. Sound from dummy load?
  223. Loftin-White
  224. RCA 151 'scope
  225. Coupling cap. values???
  226. stepped attenuator
  227. Ideas for input/driver stage of 300B amp
  228. Schematics for Bogen MXM-A Mixer?
  229. yet another which cap is best for the money question
  230. Lowering the value of the lead resistor
  231. power supply recommendation for EL84 amp
  232. Can ECC40 be used in a phono stage?
  233. Better current source than LM317 on a 12B4 line amp
  234. Bias and max current for my 7591 AB amp...
  235. Making sense of the Aikido calculations?
  236. Computer Grade Capacitors
  237. Pls recommend a power amp to build?
  238. Advice about this 45 amp
  239. Any definitive infor on R-C parafeed out there?
  240. 6AS7 as rectifier tube?
  241. Pre Amps
  242. 12 volt preamp
  243. JE LAB's 2001 2A3 & Preamp???
  244. 12AX7WA
  245. found DIY amp - now what?
  246. Magic Eye spectrum analyzer
  247. Tube Companies
  248. B+ from GZ34 Heater CT ?
  249. Unknown mA on Gardners mains transformer
  250. PSU Question

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