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  1. Granite tiles
  2. SE Triode amp for a newbie
  3. tube is flashing and glowing very bright!
  4. Suggestions for another amplifier project.
  5. almost just another newbie thread...
  6. ts9 pt9 triode
  7. help Etude 124BA keep blowing fuse.
  8. Metal 6L6s?
  9. Hybrid amplifier help...
  10. Tube input and mosfet output
  11. musical fidelity f22 schematic wanted
  12. An intriguing 300B SE-direct-coupled-amplifier
  13. Output capacitor
  14. Cascoded Long Tail Pair Inferno!
  15. Tube ornamental rim
  16. What should be mod first in my amp
  17. EL504/PL504 spice model
  18. Long Tail Pair Phase Inverter with Penthode ?
  19. new spice models available
  20. Output Capacitor Value
  21. Popular tube websites notifier
  22. Convergent Preamplifier Schematich
  23. Source of tubes & associated stuff in Sydney?
  24. Projects involving EF50 tubes?
  25. Kt77?
  26. Best way to translate schematic into actual layout?
  27. Clean to breakup range
  28. 26 preamp problem
  29. mono tube microphone preamp
  30. Help designing a tube amp...
  31. MJE350 pinout and ccs issue
  32. KGB- DC Coupled Hybrid Balance OTL/OCL HeadAmp
  33. negative voltage doubler for ccs
  34. Loftin-White
  35. SET amp from 1619 driving a 809. Opinion wanted.
  36. Re:preamp sputtering noise
  37. Building an ECL82 Single Ended Amp ...
  38. help a newbie build his first tube project
  39. Mercury Vapour rectifiers
  40. El Cheapo Circlotron PSU question....
  41. lookin for a tube buffer
  42. Baby SET w/6FD7 and ilk, for Bas and others....
  43. py500A question
  44. Mundorf Silver-oil VS Jensen copper foil
  45. Drawing Schematics for Tubes
  46. Drive Current for EL509 Enhanced Triode
  47. How to use Svetlana 6d22s?
  48. James Singapore
  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. Component selection
  54. Snap sound on preamp powerup
  55. Secondary voltage for heaters
  56. good schematic archive site
  57. Transitional SIlvertoneAmp between 1472 and 1482?
  58. Cheap Source for Hammond 125ESE
  59. PCF801 - pentode section has remote or sharp cut-off?
  60. Tube as a desk lamp
  61. Ella EL34 Bias Help
  62. tube diy can or can t
  63. Quad II Problems
  64. Choke input P/supply and critical damping
  65. balanced grounded grid preamp
  66. Fluorescent ballasts in SE
  67. Hammond Transformers and EZ80/EZ81
  68. Look what I found this weekend!
  69. Question on 300B tubes from Parts Connexion
  70. Russian Tubes
  71. Help a first timer to select...
  72. GE 5692 BLACK base?
  73. sources on the web for chinese amps
  74. How much capacitance in a power supply
  75. Parallel 12AT7 for 2A3 driver?
  76. Maida's regulator
  77. Common Mode Chokes for Heater Supplies
  78. Ming Da MC34B....passive or active pre amp?
  79. tube power supply upgrade... elna's, RTX, infinicap
  80. What tube do you think this OPT matches?
  81. safety fuse
  82. Short and sweet review of Sun Audio SV-300BE
  83. Help selecting a DIY schematic
  84. OP Transformer power rating guesstimate
  85. need a lot help on an el34 project :P
  86. Anode Follower
  87. CCS for tubes/valves: PCBs
  88. Improvement to DM's Generic Triode Model for 12AU7
  89. ccs, direct coupling and stuff
  90. Replica Pre QUAD 22 - Questions on mids
  91. Is this cap ok for audio?
  92. Remote Controlled Stepped Attenuator
  93. UltraLinear in toroidal parafeed, my findings.
  94. Help to tame a 12AX7/6AQ5 circuit
  95. DIY something like iMPAMP??
  96. Have you seen this tester?
  97. Help with taming a 12AX7 and 6AQ5a amp
  98. Linear Technology 1083CP adjusting problem
  99. radiation tubes
  100. 813 socket dimensions
  101. Cheap SE output transformers
  102. BIAS and B+ caps WKZ or NH
  103. Cleaning tubes...
  104. Manfred Huber
  105. IEC standards, anywhere?
  106. possible volume and balance control - does this look like it will work well?
  107. EL84 Amp - Baby Huey
  108. 6X4
  109. What do you guys use for HV toggles?
  110. Balanced Operation Output Transformer Questions from N00b
  111. Static stain cleaning
  112. 12AX7 preamp project
  113. SE 1.5W OTL
  114. Cross-coupled NFB for PP Pentode
  115. Parallel triodes - CONS?
  116. output transformer spec questions
  117. Choosing Valve
  118. opinions wanted - Lafayette Stereo 224 Tube Amp
  119. New KT77 Tubes by JJ
  120. 60HL5?
  121. Standby switch
  122. Problems With Simple Gounded Cathode Gain Stage
  123. srpp 6c33c
  124. Mullard 5-20/Maplin 4-20 modification to NON-Ultra Linear mode????
  125. Anyone in gta know their tubes?
  126. 801 low power SE amp
  127. superalloy ( 78% nickel/2%cobalt) EI-66 with Furukawa ultimate wire.
  128. OPT resistance for EL84 PP Class A
  129. Whats in this amplifier?
  130. Whose logo?
  131. pentode phase splitter
  132. Is this EL84M UL PP OK?
  133. Tube preamp question...also, chassis layout
  134. Quad II Mods/Tweeks
  135. Trying to recreate a Fisher SA-16
  136. CCS, how it actually works?
  137. 400V CRC PS, what do I do with it?
  138. Does anyone has MILBERT BAM230 TUBE CAR POWER AMPLIFIER
  139. Valve sockets
  140. Can I use 12AT7?
  141. Music Reference RM5 mkIII
  142. Help: Sun Audio Kits where from? EIFL, ELEX, Sun Audio?
  143. Looking for a link on power supply design
  144. Is feedback required for UL EL84PP?
  145. Someone working on an insane tube project?
  146. Load line frustration
  147. Is 12B4/A good for differential pair?
  148. Heretical Unity Gain line stage PLUS a little gain ?
  149. tube vibration
  150. Small temp voltage on phono input-problem?
  151. What's it all about?
  152. IXYS GaAs Schottky Diodes.
  153. Maplin 4-20
  154. Line preamp using 2 ECC88 per channel
  155. What to use as a nice amp case?
  156. Signal Tube Longevity ?!?
  157. HK 250 power amp tube amp schematic
  158. Need help with connecting OPT.
  159. 6SL7 driving SE EL34 ?
  160. power supply tranny
  161. Output Transformer Background
  162. Schematic
  163. no dc passing the opt
  164. New preamp schematics
  165. Transformer ID & Specs Sheet Help
  166. I Know Some Tube Flavors Are Worth More Than Others...
  167. Why hybrid CCS?
  168. Best cap to cathode tube bypass is ..
  169. Cheap el84 se
  170. Bridge rectifier with capacitors???
  171. 4 volt (dc?) heater from 6.3v
  172. Does anyone recognise this valve amp
  173. Which 6SN7 preamp should I build?
  174. Help on upgrading my Tube Preamp
  175. looking for a non-copyrighted preamp schematic
  176. Problems with cathodyne
  177. more gain needed -> how?
  178. OT: Tribute to Kondo-San
  179. PCL82 SE Tube Amplifier Kit
  180. Rectifier voltage difference, Why?
  181. partial feedback stuff
  182. replace 5y3
  183. Sparking Tubes!
  184. Transformer End Bells
  185. DHT Ultrapath Linestage schematic help
  186. Who manufactured are these EL34's?
  187. Tubes and RoHS compliance?
  188. What do you think about this tube preamp?
  189. What's Ra?
  190. Screen grid resistors
  191. Miller compensation - pros/cons?
  192. G. Kaufman's 6GV8/ECL85 regulated psu
  193. 6CA4/EZ81 heater bias
  194. First stab with PSD for 6CK4 amp-what have I got here?
  195. 81 Rectifier
  196. using 40 VDC supply?
  197. Choke current
  198. Why two diodes per branch on a full wave rectifier?
  199. Alps attenuators
  200. Seeking quality PP pre/mono power project (long)
  201. Transformer location
  202. proper choke placement
  203. 6HE5 as output pentode?
  204. A possible good source for steel chassis
  205. Update on DIY 7591 PP bias cap issue!
  206. 832, can you go SE with these?
  207. PX25 SE without NFB
  208. Change my 8417's Quicksilvers to this?
  209. SE EL84 circuit for bi-amp setup?
  210. CLCLC PSU for 6P14P-EV PP
  211. Shielding a Power Tranny
  212. Unison Research Schema Needed
  213. My 2A3 schematic, comments please.
  214. What happend to the PHOTO GALLERY ?
  215. Valve pre-amp maintenance and purchase
  216. sound of 45 v. 205d v. 2a3 v. 300b for headphones
  217. TPAD Devices Kit
  218. Need Help. Anyone with Philips AG 9016??
  219. Question about input sensitivity?
  220. Any help on sth probably simple?
  221. few questions about my amp, pls come in
  222. 7591 Spice Model ?...Anyone ?... I'm Groveling Over Here !
  223. Need regulated solid state PSU
  224. EC31 - Any Datasheet...?
  225. comments on www.shinrock.com???
  226. need schematic reading help
  227. Sound from dummy load?
  228. Loftin-White
  229. RCA 151 'scope
  230. Coupling cap. values???
  231. stepped attenuator
  232. Ideas for input/driver stage of 300B amp
  233. Schematics for Bogen MXM-A Mixer?
  234. yet another which cap is best for the money question
  235. Lowering the value of the lead resistor
  236. power supply recommendation for EL84 amp
  237. Can ECC40 be used in a phono stage?
  238. Better current source than LM317 on a 12B4 line amp
  239. Bias and max current for my 7591 AB amp...
  240. Making sense of the Aikido calculations?
  241. Computer Grade Capacitors
  242. Pls recommend a power amp to build?
  243. Advice about this 45 amp
  244. Any definitive infor on R-C parafeed out there?
  245. 6AS7 as rectifier tube?
  246. Pre Amps
  247. 12 volt preamp
  248. JE LAB's 2001 2A3 & Preamp???
  249. 12AX7WA
  250. found DIY amp - now what?

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