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  1. PX25 SE without NFB
  2. Change my 8417's Quicksilvers to this?
  3. SE EL84 circuit for bi-amp setup?
  4. CLCLC PSU for 6P14P-EV PP
  5. Shielding a Power Tranny
  6. Unison Research Schema Needed
  7. My 2A3 schematic, comments please.
  8. What happend to the PHOTO GALLERY ?
  9. Valve pre-amp maintenance and purchase
  10. sound of 45 v. 205d v. 2a3 v. 300b for headphones
  11. TPAD Devices Kit
  12. Need Help. Anyone with Philips AG 9016??
  13. Question about input sensitivity?
  14. Any help on sth probably simple?
  15. few questions about my amp, pls come in
  16. 7591 Spice Model ?...Anyone ?... I'm Groveling Over Here !
  17. Need regulated solid state PSU
  18. EC31 - Any Datasheet...?
  19. comments on www.shinrock.com???
  20. need schematic reading help
  21. Sound from dummy load?
  22. Loftin-White
  23. RCA 151 'scope
  24. Coupling cap. values???
  25. stepped attenuator
  26. Ideas for input/driver stage of 300B amp
  27. Schematics for Bogen MXM-A Mixer?
  28. yet another which cap is best for the money question
  29. Lowering the value of the lead resistor
  30. power supply recommendation for EL84 amp
  31. Can ECC40 be used in a phono stage?
  32. Better current source than LM317 on a 12B4 line amp
  33. Bias and max current for my 7591 AB amp...
  34. Making sense of the Aikido calculations?
  35. Computer Grade Capacitors
  36. Pls recommend a power amp to build?
  37. Advice about this 45 amp
  38. Any definitive infor on R-C parafeed out there?
  39. 6AS7 as rectifier tube?
  40. Pre Amps
  41. 12 volt preamp
  42. JE LAB's 2001 2A3 & Preamp???
  43. 12AX7WA
  44. found DIY amp - now what?
  45. Magic Eye spectrum analyzer
  46. Tube Companies
  47. B+ from GZ34 Heater CT ?
  48. Unknown mA on Gardners mains transformer
  49. PSU Question
  50. how to mount rca jacks and volume control in wood enclosure?
  51. Freaky Whistle in Guitar Amp
  52. Giaime's last nightmare - aka RIAA faceoff
  53. 5687 dc 5687 tube amp need help
  54. Input cap needed
  55. 6BQ5\EL84 line amp
  56. Capacitor Values Why so high? & What can I do?
  57. Bias pot question
  58. What I have: 4 Tubes. What I need...
  59. let me fix this bias
  60. A small no-fuss pentode/pentode SE amp
  61. Bleeder Resistor Placement
  62. Modifying Heathkit AA 151
  63. Interstage transformer for PI.
  64. Motorrun caps ... GND side?
  65. mono center channel out to stereo
  66. Audio Research REF 2 MkII
  67. 717a plate volts
  68. valve preamp criticisms?
  69. LOT of tubes. what can I do?
  70. substitution for 7355
  71. KT88 heaters
  72. Software for drawing tube schematics?
  73. Guitar Amp HUUUM with an MP3! Reverb Problem
  74. New books posted
  75. Compound bias
  76. Tube Oscillation or Microphonic Question
  77. WTB:OT for el 34 35 watt tube amplifier
  78. Questions on 6H30 simple PF?
  79. "Super Davohm" 1w .1% wirewound
  80. Heathkit AA-100
  81. 6159 for SE Power amp
  82. Do SMPS have a home at high end audio?
  83. Kofi Annan in: "300beee!" or "Kofi Gets a Toy"
  84. cathode capacitance on anode follower
  85. looking for a building shematic for ECLL800
  86. Iron learning.
  87. Tube Amp - Crackling Sound on Left Channel
  88. Pspice preamp simulation
  89. Supply voltage for 12v6 12B4 heaters
  90. Studio Tube Preamp
  91. New project and my first circuit...
  92. Champ clone fried my soundcard
  93. Choke coupled phase invertor
  94. long cable line drive
  95. What To Do?
  96. Simple Method To Measure Source Resistance?
  97. is this true????
  98. query on the PSU of a preamp
  99. Meshplate Help needed
  100. 6072 tube preamplifier.
  101. hybrid rectifiers and PIV rating
  102. transformerless amp help plz ...
  103. Help me build a tube MIC preamp plz
  104. chinese 845 amp blowing fuses
  105. Question about PIV rating of diodes...
  106. Triode strapped heptode?
  107. The Fisher 500C/800C Challenge (long..dialup warning)
  108. 5 wire output transformer
  109. Orcad & tube library
  110. Wall Wart Tube Power
  111. How can I lower B+ of power supply?
  112. How do you put a CCS under a diff. pair of DHTs???
  113. Just need to make sure.
  114. restoring a marantz 7c
  115. Who sells a tube bass guitar amp kit??
  116. What is Simplest and Best 6L6 PP circuit? (PK)
  117. Good DIY Transformer Article (in Thai)
  118. Tube Swapping Question
  119. Toroid choke question
  120. Pentode CCS for parafeed SEP??
  121. subminiature tube suggestion
  122. MQ431 or Triode's DynaClone
  123. Conrad Johnson MV 45 schematic help
  124. signal wiring
  125. NEW B Need Help on Output Tx Problem
  126. center tap of heater winding
  127. Dynaco Mk IV question
  128. Does this tube amp has enough cap
  129. Acrosound TO-330 output transformers
  130. PP transformer for SE use
  131. Holiday Time!
  132. another beginers first amp thread!
  133. Western Electric 374A
  134. Musen to Jikken 03/1997
  135. Please help me make a schematic
  136. Tips for Hakko 936-12
  137. AC or DC for 300b Heaters
  138. Two irons for PSU
  139. Which DHT for Line stage?
  140. Pye Mozart 10 amplifier
  141. I need a simple schematic with 6J1P tubes
  142. First tube project. Need advice.
  143. Sound Valves M-40 assistance
  144. Has anyone been keeping up on the 'New Sensor' Controversy?
  145. quad esl output transformer.
  146. penta labs?
  147. New Build (Guitar Amp)
  148. transformer links
  149. EL84 auto split
  150. TOPWARD MODEL 605 operation manual & Schematic
  151. PREdator, Diff/CF linestage.
  152. Triode Electronics ??
  153. Full Bridge Amp?
  154. Tube literature on pentodes + transformers
  155. so, who made General Motor's "AUTRONIC EYE" tubes?
  156. 6DJ8 Linestage
  157. Annyone seen this problem?
  158. psu to heater on 4 el34 tubes???
  159. 6C33C-B, Reliability--A theory........
  160. Sun Audio preamps
  161. Anyone Use A Harmon/Kardon XT-2 Xformer For MC ?
  162. Carver Phono
  163. Help With 3 Channel Magnavox
  164. simulation software
  165. trickle charge psu?
  166. tube filter
  167. Holiday S-5 K-12G
  168. Couple of (newbie) tube questions...
  169. valve buffer gainclone
  170. Series wiring for heaters
  171. DIY tube cd player ?
  172. Tubes in mp3 players?
  173. Output Impedance?
  174. Hum Pot Question
  175. Which 6AQ5
  176. White flakes in rectifier tube??
  177. Bogen V20 PA Amp Schematic or ?
  178. 12a?7 in Eico HF-12
  179. Home Made Tubes?? has anyone made one, is it possible??
  180. replace 6N1P with 7308
  181. Plate choke on a line stage?
  182. Looking for datasheet
  183. 811A SET Monoblock physical layout suggestions
  184. Automated bias
  185. OTL or parafeed?
  186. tubes: Jcm 900 Slx 50watt
  187. Reversing mains toroids for HT
  188. 5881/6L6WGC and 12AT7WA replacement
  189. Direction for Mounting Transformers
  190. Ecf80
  191. feedback phasing
  192. Cryotubes? Cryogenically Frozen valves
  193. European Triode Festival 2005
  194. PSU capacitors
  195. Question on shared rectifier / signal tube filament windings
  196. Heathkit rebuild or...?
  197. Fisher 500B OPT/Feedback Questions
  198. Transformer selection question
  199. Grounded Grid Help
  200. EF86 penthode
  201. Any audio use for ER21A?
  202. Upgrading a sonic frontiers SFS-80
  203. Hum problem
  204. low frequency oscillation in 12B4 linestage
  205. Balanced volume control question
  206. Need Help for Power Supply for gg Preamp
  207. OTL 6c33c Ciufolli v8.2 low voltage rails
  208. Any way to extend OPT low-frequency response?
  209. RCA Phono Stage Redux
  210. About tube codes
  211. More Joules? Tube or Solid State PSU?
  212. EL34 schematic confusion
  213. 2-stage DHT: high-mu vs. interstage stepup
  214. Understanding this power supply
  215. 6V6G recommended schematic
  216. parallel CRC Filtering for B+
  217. 6v6. 6lg Gain Max Voltage
  218. More buffer questions
  219. Benchtop PS
  220. Chassis labels
  221. LM317 Regulator Problem
  222. Can I afford my SE amp ??
  223. 12B4 versus 6S4 for linestage
  224. Function Generator Probe?
  225. Otl Set?
  226. Tektronix TDS2000 series is a noisy scope
  227. vanderveen's 30W PP amp..
  228. Roberts/Akai M series amp problems
  229. What speaker to use with my tube clone
  230. What’s the best tube amplifier you can build?
  231. Cathode Follower Buffer Input Impedance
  232. EL84 as Preamp and as Crossover
  233. Wondering if Upcoming DIY design will work with Tubes? Cheap DIY Kits?
  234. EL 84 Single Ended Integrated
  235. "2 Stage" PP 7591 Amp
  236. Jolida 1301a with Mission M71 speakers?
  237. EL34 SE in 430V?
  238. EL 84 PPP/PP Class A Triode schematic
  239. Almarro A318A
  240. beckman berkley model 7360
  241. spice model for UL output transformer?
  242. Need help with my new amp
  243. Motor caps
  244. E88CC Mullard fake
  245. Anyone try sharp cutoff pentodes in a p-p output stage?
  246. 845 A2 Monoblock Project
  247. newb needs help on simple el84 amp PS
  248. Newbie's power supply woes
  249. Question about M7 Preamp
  250. Which amp to DIY as a first project?

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