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  1. Linear Technology 1083CP adjusting problem
  2. radiation tubes
  3. 813 socket dimensions
  4. Cheap SE output transformers
  5. BIAS and B+ caps WKZ or NH
  6. Cleaning tubes...
  7. Manfred Huber
  8. IEC standards, anywhere?
  9. possible volume and balance control - does this look like it will work well?
  10. EL84 Amp - Baby Huey
  11. 6X4
  12. What do you guys use for HV toggles?
  13. Balanced Operation Output Transformer Questions from N00b
  14. Static stain cleaning
  15. 12AX7 preamp project
  16. SE 1.5W OTL
  17. Cross-coupled NFB for PP Pentode
  18. Parallel triodes - CONS?
  19. output transformer spec questions
  20. Choosing Valve
  21. opinions wanted - Lafayette Stereo 224 Tube Amp
  22. New KT77 Tubes by JJ
  23. 60HL5?
  24. Standby switch
  25. Problems With Simple Gounded Cathode Gain Stage
  26. srpp 6c33c
  27. Mullard 5-20/Maplin 4-20 modification to NON-Ultra Linear mode????
  28. Anyone in gta know their tubes?
  29. 801 low power SE amp
  30. superalloy ( 78% nickel/2%cobalt) EI-66 with Furukawa ultimate wire.
  31. OPT resistance for EL84 PP Class A
  32. Whats in this amplifier?
  33. Whose logo?
  34. pentode phase splitter
  35. Is this EL84M UL PP OK?
  36. Tube preamp question...also, chassis layout
  37. Quad II Mods/Tweeks
  38. Trying to recreate a Fisher SA-16
  39. CCS, how it actually works?
  40. 400V CRC PS, what do I do with it?
  41. Does anyone has MILBERT BAM230 TUBE CAR POWER AMPLIFIER
  42. Valve sockets
  43. Can I use 12AT7?
  44. Music Reference RM5 mkIII
  45. Help: Sun Audio Kits where from? EIFL, ELEX, Sun Audio?
  46. Looking for a link on power supply design
  47. Is feedback required for UL EL84PP?
  48. Someone working on an insane tube project?
  49. Load line frustration
  50. Is 12B4/A good for differential pair?
  51. Heretical Unity Gain line stage PLUS a little gain ?
  52. tube vibration
  53. Small temp voltage on phono input-problem?
  54. What's it all about?
  55. IXYS GaAs Schottky Diodes.
  56. Maplin 4-20
  57. Line preamp using 2 ECC88 per channel
  58. What to use as a nice amp case?
  59. Signal Tube Longevity ?!?
  60. HK 250 power amp tube amp schematic
  61. Need help with connecting OPT.
  62. 6SL7 driving SE EL34 ?
  63. power supply tranny
  64. Output Transformer Background
  65. Schematic
  66. no dc passing the opt
  67. New preamp schematics
  68. Transformer ID & Specs Sheet Help
  69. I Know Some Tube Flavors Are Worth More Than Others...
  70. Why hybrid CCS?
  71. Alembic F-2B
  72. Best cap to cathode tube bypass is ..
  73. Cheap el84 se
  74. Bridge rectifier with capacitors???
  75. 4 volt (dc?) heater from 6.3v
  76. Does anyone recognise this valve amp
  77. PS Capacitor Voltage Rating
  78. Which 6SN7 preamp should I build?
  79. Help on upgrading my Tube Preamp
  80. looking for a non-copyrighted preamp schematic
  81. Problems with cathodyne
  82. more gain needed -> how?
  83. OT: Tribute to Kondo-San
  84. PCL82 SE Tube Amplifier Kit
  85. Rectifier voltage difference, Why?
  86. partial feedback stuff
  87. replace 5y3
  88. Sparking Tubes!
  89. Transformer End Bells
  90. DHT Ultrapath Linestage schematic help
  91. Who manufactured are these EL34's?
  92. Tubes and RoHS compliance?
  93. What do you think about this tube preamp?
  94. What's Ra?
  95. Screen grid resistors
  96. Miller compensation - pros/cons?
  97. G. Kaufman's 6GV8/ECL85 regulated psu
  98. 6CA4/EZ81 heater bias
  99. First stab with PSD for 6CK4 amp-what have I got here?
  100. 81 Rectifier
  101. using 40 VDC supply?
  102. Choke current
  103. Why two diodes per branch on a full wave rectifier?
  104. Alps attenuators
  105. Seeking quality PP pre/mono power project (long)
  106. Transformer location
  107. proper choke placement
  108. 6HE5 as output pentode?
  109. A possible good source for steel chassis
  110. Update on DIY 7591 PP bias cap issue!
  111. 832, can you go SE with these?
  112. PX25 SE without NFB
  113. Change my 8417's Quicksilvers to this?
  114. SE EL84 circuit for bi-amp setup?
  115. CLCLC PSU for 6P14P-EV PP
  116. Shielding a Power Tranny
  117. Unison Research Schema Needed
  118. My 2A3 schematic, comments please.
  119. What happend to the PHOTO GALLERY ?
  120. Valve pre-amp maintenance and purchase
  121. sound of 45 v. 205d v. 2a3 v. 300b for headphones
  122. TPAD Devices Kit
  123. Need Help. Anyone with Philips AG 9016??
  124. Question about input sensitivity?
  125. Any help on sth probably simple?
  126. few questions about my amp, pls come in
  127. 7591 Spice Model ?...Anyone ?... I'm Groveling Over Here !
  128. Need regulated solid state PSU
  129. EC31 - Any Datasheet...?
  130. comments on www.shinrock.com???
  131. need schematic reading help
  132. Sound from dummy load?
  133. Loftin-White
  134. RCA 151 'scope
  135. Coupling cap. values???
  136. stepped attenuator
  137. Ideas for input/driver stage of 300B amp
  138. Schematics for Bogen MXM-A Mixer?
  139. yet another which cap is best for the money question
  140. Lowering the value of the lead resistor
  141. power supply recommendation for EL84 amp
  142. Can ECC40 be used in a phono stage?
  143. Better current source than LM317 on a 12B4 line amp
  144. Bias and max current for my 7591 AB amp...
  145. Making sense of the Aikido calculations?
  146. Computer Grade Capacitors
  147. Pls recommend a power amp to build?
  148. Advice about this 45 amp
  149. Any definitive infor on R-C parafeed out there?
  150. 6AS7 as rectifier tube?
  151. Pre Amps
  152. 12 volt preamp
  153. JE LAB's 2001 2A3 & Preamp???
  154. 12AX7WA
  155. found DIY amp - now what?
  156. Magic Eye spectrum analyzer
  157. Tube Companies
  158. B+ from GZ34 Heater CT ?
  159. Unknown mA on Gardners mains transformer
  160. PSU Question
  161. how to mount rca jacks and volume control in wood enclosure?
  162. Freaky Whistle in Guitar Amp
  163. Giaime's last nightmare - aka RIAA faceoff
  164. 5687 dc 5687 tube amp need help
  165. Input cap needed
  166. 6BQ5\EL84 line amp
  167. Capacitor Values Why so high? & What can I do?
  168. Bias pot question
  169. What I have: 4 Tubes. What I need...
  170. let me fix this bias
  171. A small no-fuss pentode/pentode SE amp
  172. Bleeder Resistor Placement
  173. Modifying Heathkit AA 151
  174. Interstage transformer for PI.
  175. Motorrun caps ... GND side?
  176. mono center channel out to stereo
  177. Audio Research REF 2 MkII
  178. 717a plate volts
  179. valve preamp criticisms?
  180. LOT of tubes. what can I do?
  181. substitution for 7355
  182. KT88 heaters
  183. Software for drawing tube schematics?
  184. Guitar Amp HUUUM with an MP3! Reverb Problem
  185. New books posted
  186. Compound bias
  187. Tube Oscillation or Microphonic Question
  188. WTB:OT for el 34 35 watt tube amplifier
  189. Questions on 6H30 simple PF?
  190. "Super Davohm" 1w .1% wirewound
  191. Heathkit AA-100
  192. 6159 for SE Power amp
  193. Do SMPS have a home at high end audio?
  194. Kofi Annan in: "300beee!" or "Kofi Gets a Toy"
  195. cathode capacitance on anode follower
  196. looking for a building shematic for ECLL800
  197. Iron learning.
  198. Tube Amp - Crackling Sound on Left Channel
  199. Pspice preamp simulation
  200. Supply voltage for 12v6 12B4 heaters
  201. Studio Tube Preamp
  202. New project and my first circuit...
  203. Champ clone fried my soundcard
  204. Choke coupled phase invertor
  205. long cable line drive
  206. What To Do?
  207. Simple Method To Measure Source Resistance?
  208. is this true????
  209. query on the PSU of a preamp
  210. Meshplate Help needed
  211. 6072 tube preamplifier.
  212. hybrid rectifiers and PIV rating
  213. transformerless amp help plz ...
  214. Help me build a tube MIC preamp plz
  215. chinese 845 amp blowing fuses
  216. Question about PIV rating of diodes...
  217. Triode strapped heptode?
  218. The Fisher 500C/800C Challenge (long..dialup warning)
  219. 5 wire output transformer
  220. Orcad & tube library
  221. Wall Wart Tube Power
  222. How can I lower B+ of power supply?
  223. How do you put a CCS under a diff. pair of DHTs???
  224. Just need to make sure.
  225. restoring a marantz 7c
  226. Who sells a tube bass guitar amp kit??
  227. What is Simplest and Best 6L6 PP circuit? (PK)
  228. Good DIY Transformer Article (in Thai)
  229. Tube Swapping Question
  230. Toroid choke question
  231. Pentode CCS for parafeed SEP??
  232. subminiature tube suggestion
  233. MQ431 or Triode's DynaClone
  234. Conrad Johnson MV 45 schematic help
  235. signal wiring
  236. NEW B Need Help on Output Tx Problem
  237. center tap of heater winding
  238. Dynaco Mk IV question
  239. Does this tube amp has enough cap
  240. Acrosound TO-330 output transformers
  241. PP transformer for SE use
  242. Holiday Time!
  243. another beginers first amp thread!
  244. Western Electric 374A
  245. Musen to Jikken 03/1997
  246. Please help me make a schematic
  247. Tips for Hakko 936-12
  248. AC or DC for 300b Heaters
  249. Two irons for PSU
  250. Which DHT for Line stage?

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