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  1. Suggestions for another amplifier project.
  2. almost just another newbie thread...
  3. Bogen PA--->Guitar Amp, few questions
  4. ts9 pt9 triode
  5. help Etude 124BA keep blowing fuse.
  6. Metal 6L6s?
  7. Hybrid amplifier help...
  8. Tube input and mosfet output
  9. musical fidelity f22 schematic wanted
  10. An intriguing 300B SE-direct-coupled-amplifier
  11. Output capacitor
  12. Cascoded Long Tail Pair Inferno!
  13. Tube ornamental rim
  14. What should be mod first in my amp
  15. EL504/PL504 spice model
  16. Long Tail Pair Phase Inverter with Penthode ?
  17. new spice models available
  18. Output Capacitor Value
  19. Popular tube websites notifier
  20. Convergent Preamplifier Schematich
  21. Source of tubes & associated stuff in Sydney?
  22. Projects involving EF50 tubes?
  23. Kt77?
  24. Best way to translate schematic into actual layout?
  25. Clean to breakup range
  26. 26 preamp problem
  27. mono tube microphone preamp
  28. Help designing a tube amp...
  29. MJE350 pinout and ccs issue
  30. KGB- DC Coupled Hybrid Balance OTL/OCL HeadAmp
  31. negative voltage doubler for ccs
  32. Loftin-White
  33. SET amp from 1619 driving a 809. Opinion wanted.
  34. Re:preamp sputtering noise
  35. Building an ECL82 Single Ended Amp ...
  36. help a newbie build his first tube project
  37. Mercury Vapour rectifiers
  38. El Cheapo Circlotron PSU question....
  39. lookin for a tube buffer
  40. Baby SET w/6FD7 and ilk, for Bas and others....
  41. py500A question
  42. Mundorf Silver-oil VS Jensen copper foil
  43. Can you run a Fender Twin Reverb with only two 6L6's?
  44. Drawing Schematics for Tubes
  45. Drive Current for EL509 Enhanced Triode
  46. How to use Svetlana 6d22s?
  47. James Singapore
  48. Oil Filled Capacitor not upright OK?
  49. Aikido using a #26 tube?
  50. Tube and DIY Newbie Kel84 vs Stoetkit Jr.2
  51. ZOTL and ferrites
  52. 6V6 vs EL84 SE UL
  53. Speaker questions for a Silvertone 1472
  54. Component selection
  55. Snap sound on preamp powerup
  56. Secondary voltage for heaters
  57. good schematic archive site
  58. Transitional SIlvertoneAmp between 1472 and 1482?
  59. Cheap Source for Hammond 125ESE
  60. PCF801 - pentode section has remote or sharp cut-off?
  61. Tube as a desk lamp
  62. Ella EL34 Bias Help
  63. tube diy can or can t
  64. Quad II Problems
  65. Choke input P/supply and critical damping
  66. balanced grounded grid preamp
  67. Fluorescent ballasts in SE
  68. Hammond Transformers and EZ80/EZ81
  69. Look what I found this weekend!
  70. Question on 300B tubes from Parts Connexion
  71. Russian Tubes
  72. Help a first timer to select...
  73. GE 5692 BLACK base?
  74. sources on the web for chinese amps
  75. How much capacitance in a power supply
  76. Parallel 12AT7 for 2A3 driver?
  77. Maida's regulator
  78. Common Mode Chokes for Heater Supplies
  79. Ming Da MC34B....passive or active pre amp?
  80. tube power supply upgrade... elna's, RTX, infinicap
  81. What tube do you think this OPT matches?
  82. safety fuse
  83. Short and sweet review of Sun Audio SV-300BE
  84. Help selecting a DIY schematic
  85. OP Transformer power rating guesstimate
  86. need a lot help on an el34 project :P
  87. Anode Follower
  88. CCS for tubes/valves: PCBs
  89. Improvement to DM's Generic Triode Model for 12AU7
  90. ccs, direct coupling and stuff
  91. Replica Pre QUAD 22 - Questions on mids
  92. Is this cap ok for audio?
  93. Remote Controlled Stepped Attenuator
  94. UltraLinear in toroidal parafeed, my findings.
  95. Help to tame a 12AX7/6AQ5 circuit
  96. DIY something like iMPAMP??
  97. Have you seen this tester?
  98. Help with taming a 12AX7 and 6AQ5a amp
  99. Linear Technology 1083CP adjusting problem
  100. radiation tubes
  101. 813 socket dimensions
  102. Cheap SE output transformers
  103. BIAS and B+ caps WKZ or NH
  104. Cleaning tubes...
  105. Manfred Huber
  106. IEC standards, anywhere?
  107. possible volume and balance control - does this look like it will work well?
  108. EL84 Amp - Baby Huey
  109. 6X4
  110. What do you guys use for HV toggles?
  111. Balanced Operation Output Transformer Questions from N00b
  112. Static stain cleaning
  113. 12AX7 preamp project
  114. SE 1.5W OTL
  115. Cross-coupled NFB for PP Pentode
  116. Parallel triodes - CONS?
  117. output transformer spec questions
  118. Choosing Valve
  119. opinions wanted - Lafayette Stereo 224 Tube Amp
  120. New KT77 Tubes by JJ
  121. 60HL5?
  122. Standby switch
  123. Problems With Simple Gounded Cathode Gain Stage
  124. srpp 6c33c
  125. Mullard 5-20/Maplin 4-20 modification to NON-Ultra Linear mode????
  126. Anyone in gta know their tubes?
  127. 801 low power SE amp
  128. superalloy ( 78% nickel/2%cobalt) EI-66 with Furukawa ultimate wire.
  129. OPT resistance for EL84 PP Class A
  130. Whats in this amplifier?
  131. Whose logo?
  132. pentode phase splitter
  133. Is this EL84M UL PP OK?
  134. Tube preamp question...also, chassis layout
  135. Quad II Mods/Tweeks
  136. Trying to recreate a Fisher SA-16
  137. CCS, how it actually works?
  138. 400V CRC PS, what do I do with it?
  139. Does anyone has MILBERT BAM230 TUBE CAR POWER AMPLIFIER
  140. Valve sockets
  141. Can I use 12AT7?
  142. Music Reference RM5 mkIII
  143. Help: Sun Audio Kits where from? EIFL, ELEX, Sun Audio?
  144. Looking for a link on power supply design
  145. Is feedback required for UL EL84PP?
  146. Someone working on an insane tube project?
  147. Load line frustration
  148. Is 12B4/A good for differential pair?
  149. Heretical Unity Gain line stage PLUS a little gain ?
  150. tube vibration
  151. Small temp voltage on phono input-problem?
  152. What's it all about?
  153. IXYS GaAs Schottky Diodes.
  154. Maplin 4-20
  155. Line preamp using 2 ECC88 per channel
  156. What to use as a nice amp case?
  157. Signal Tube Longevity ?!?
  158. HK 250 power amp tube amp schematic
  159. Need help with connecting OPT.
  160. 6SL7 driving SE EL34 ?
  161. power supply tranny
  162. Output Transformer Background
  163. Schematic
  164. no dc passing the opt
  165. New preamp schematics
  166. Transformer ID & Specs Sheet Help
  167. I Know Some Tube Flavors Are Worth More Than Others...
  168. Why hybrid CCS?
  169. Alembic F-2B
  170. Best cap to cathode tube bypass is ..
  171. Cheap el84 se
  172. Bridge rectifier with capacitors???
  173. 4 volt (dc?) heater from 6.3v
  174. Does anyone recognise this valve amp
  175. PS Capacitor Voltage Rating
  176. Which 6SN7 preamp should I build?
  177. Help on upgrading my Tube Preamp
  178. looking for a non-copyrighted preamp schematic
  179. Problems with cathodyne
  180. more gain needed -> how?
  181. OT: Tribute to Kondo-San
  182. PCL82 SE Tube Amplifier Kit
  183. Rectifier voltage difference, Why?
  184. partial feedback stuff
  185. replace 5y3
  186. Sparking Tubes!
  187. Transformer End Bells
  188. DHT Ultrapath Linestage schematic help
  189. Who manufactured are these EL34's?
  190. Tubes and RoHS compliance?
  191. What do you think about this tube preamp?
  192. What's Ra?
  193. Screen grid resistors
  194. Miller compensation - pros/cons?
  195. G. Kaufman's 6GV8/ECL85 regulated psu
  196. 6CA4/EZ81 heater bias
  197. First stab with PSD for 6CK4 amp-what have I got here?
  198. 81 Rectifier
  199. using 40 VDC supply?
  200. Choke current
  201. Why two diodes per branch on a full wave rectifier?
  202. Alps attenuators
  203. Seeking quality PP pre/mono power project (long)
  204. Transformer location
  205. proper choke placement
  206. 6HE5 as output pentode?
  207. A possible good source for steel chassis
  208. Update on DIY 7591 PP bias cap issue!
  209. 832, can you go SE with these?
  210. PX25 SE without NFB
  211. Change my 8417's Quicksilvers to this?
  212. SE EL84 circuit for bi-amp setup?
  213. CLCLC PSU for 6P14P-EV PP
  214. Shielding a Power Tranny
  215. Unison Research Schema Needed
  216. My 2A3 schematic, comments please.
  217. What happend to the PHOTO GALLERY ?
  218. Valve pre-amp maintenance and purchase
  219. sound of 45 v. 205d v. 2a3 v. 300b for headphones
  220. TPAD Devices Kit
  221. Need Help. Anyone with Philips AG 9016??
  222. Question about input sensitivity?
  223. Any help on sth probably simple?
  224. few questions about my amp, pls come in
  225. 7591 Spice Model ?...Anyone ?... I'm Groveling Over Here !
  226. Need regulated solid state PSU
  227. EC31 - Any Datasheet...?
  228. comments on www.shinrock.com???
  229. need schematic reading help
  230. Sound from dummy load?
  231. Loftin-White
  232. RCA 151 'scope
  233. Coupling cap. values???
  234. stepped attenuator
  235. Ideas for input/driver stage of 300B amp
  236. Schematics for Bogen MXM-A Mixer?
  237. yet another which cap is best for the money question
  238. Lowering the value of the lead resistor
  239. power supply recommendation for EL84 amp
  240. Can ECC40 be used in a phono stage?
  241. Better current source than LM317 on a 12B4 line amp
  242. Bias and max current for my 7591 AB amp...
  243. Making sense of the Aikido calculations?
  244. Computer Grade Capacitors
  245. Pls recommend a power amp to build?
  246. Advice about this 45 amp
  247. Any definitive infor on R-C parafeed out there?
  248. 6AS7 as rectifier tube?
  249. Pre Amps
  250. 12 volt preamp

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