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  1. Pls recommend a power amp to build?
  2. Advice about this 45 amp
  3. Any definitive infor on R-C parafeed out there?
  4. 6AS7 as rectifier tube?
  5. Pre Amps
  6. 12 volt preamp
  7. JE LAB's 2001 2A3 & Preamp???
  8. 12AX7WA
  9. found DIY amp - now what?
  10. Magic Eye spectrum analyzer
  11. Tube Companies
  12. B+ from GZ34 Heater CT ?
  13. Unknown mA on Gardners mains transformer
  14. PSU Question
  15. how to mount rca jacks and volume control in wood enclosure?
  16. Freaky Whistle in Guitar Amp
  17. Giaime's last nightmare - aka RIAA faceoff
  18. 5687 dc 5687 tube amp need help
  19. Input cap needed
  20. 6BQ5\EL84 line amp
  21. Capacitor Values Why so high? & What can I do?
  22. Bias pot question
  23. What I have: 4 Tubes. What I need...
  24. let me fix this bias
  25. A small no-fuss pentode/pentode SE amp
  26. Bleeder Resistor Placement
  27. Modifying Heathkit AA 151
  28. Interstage transformer for PI.
  29. Motorrun caps ... GND side?
  30. mono center channel out to stereo
  31. Audio Research REF 2 MkII
  32. 717a plate volts
  33. valve preamp criticisms?
  34. LOT of tubes. what can I do?
  35. substitution for 7355
  36. KT88 heaters
  37. Software for drawing tube schematics?
  38. Guitar Amp HUUUM with an MP3! Reverb Problem
  39. New books posted
  40. Compound bias
  41. Tube Oscillation or Microphonic Question
  42. WTB:OT for el 34 35 watt tube amplifier
  43. Questions on 6H30 simple PF?
  44. "Super Davohm" 1w .1% wirewound
  45. Heathkit AA-100
  46. 6159 for SE Power amp
  47. Do SMPS have a home at high end audio?
  48. Kofi Annan in: "300beee!" or "Kofi Gets a Toy"
  49. cathode capacitance on anode follower
  50. looking for a building shematic for ECLL800
  51. Iron learning.
  52. Tube Amp - Crackling Sound on Left Channel
  53. Pspice preamp simulation
  54. Supply voltage for 12v6 12B4 heaters
  55. Studio Tube Preamp
  56. New project and my first circuit...
  57. Champ clone fried my soundcard
  58. Choke coupled phase invertor
  59. long cable line drive
  60. What To Do?
  61. Simple Method To Measure Source Resistance?
  62. is this true????
  63. query on the PSU of a preamp
  64. Meshplate Help needed
  65. 6072 tube preamplifier.
  66. hybrid rectifiers and PIV rating
  67. transformerless amp help plz ...
  68. Help me build a tube MIC preamp plz
  69. chinese 845 amp blowing fuses
  70. Question about PIV rating of diodes...
  71. Triode strapped heptode?
  72. The Fisher 500C/800C Challenge (long..dialup warning)
  73. 5 wire output transformer
  74. Orcad & tube library
  75. Wall Wart Tube Power
  76. How can I lower B+ of power supply?
  77. How do you put a CCS under a diff. pair of DHTs???
  78. Just need to make sure.
  79. restoring a marantz 7c
  80. Who sells a tube bass guitar amp kit??
  81. What is Simplest and Best 6L6 PP circuit? (PK)
  82. Good DIY Transformer Article (in Thai)
  83. Tube Swapping Question
  84. Toroid choke question
  85. Pentode CCS for parafeed SEP??
  86. subminiature tube suggestion
  87. MQ431 or Triode's DynaClone
  88. Conrad Johnson MV 45 schematic help
  89. signal wiring
  90. NEW B Need Help on Output Tx Problem
  91. center tap of heater winding
  92. Dynaco Mk IV question
  93. Does this tube amp has enough cap
  94. Acrosound TO-330 output transformers
  95. PP transformer for SE use
  96. Holiday Time!
  97. another beginers first amp thread!
  98. Western Electric 374A
  99. Musen to Jikken 03/1997
  100. Please help me make a schematic
  101. Tips for Hakko 936-12
  102. AC or DC for 300b Heaters
  103. Two irons for PSU
  104. Which DHT for Line stage?
  105. Pye Mozart 10 amplifier
  106. I need a simple schematic with 6J1P tubes
  107. First tube project. Need advice.
  108. Sound Valves M-40 assistance
  109. Has anyone been keeping up on the 'New Sensor' Controversy?
  110. quad esl output transformer.
  111. penta labs?
  112. New Build (Guitar Amp)
  113. transformer links
  114. EL84 auto split
  115. TOPWARD MODEL 605 operation manual & Schematic
  116. PREdator, Diff/CF linestage.
  117. Triode Electronics ??
  118. Full Bridge Amp?
  119. Tube literature on pentodes + transformers
  120. so, who made General Motor's "AUTRONIC EYE" tubes?
  121. 6DJ8 Linestage
  122. Annyone seen this problem?
  123. psu to heater on 4 el34 tubes???
  124. 6C33C-B, Reliability--A theory........
  125. Sun Audio preamps
  126. Anyone Use A Harmon/Kardon XT-2 Xformer For MC ?
  127. Carver Phono
  128. Help With 3 Channel Magnavox
  129. simulation software
  130. trickle charge psu?
  131. tube filter
  132. Holiday S-5 K-12G
  133. Couple of (newbie) tube questions...
  134. valve buffer gainclone
  135. Series wiring for heaters
  136. DIY tube cd player ?
  137. Tubes in mp3 players?
  138. Output Impedance?
  139. Hum Pot Question
  140. Which 6AQ5
  141. White flakes in rectifier tube??
  142. Bogen V20 PA Amp Schematic or ?
  143. 12a?7 in Eico HF-12
  144. Home Made Tubes?? has anyone made one, is it possible??
  145. replace 6N1P with 7308
  146. Plate choke on a line stage?
  147. Looking for datasheet
  148. 811A SET Monoblock physical layout suggestions
  149. Automated bias
  150. OTL or parafeed?
  151. tubes: Jcm 900 Slx 50watt
  152. Reversing mains toroids for HT
  153. 5881/6L6WGC and 12AT7WA replacement
  154. Direction for Mounting Transformers
  155. Ecf80
  156. feedback phasing
  157. Cryotubes? Cryogenically Frozen valves
  158. European Triode Festival 2005
  159. PSU capacitors
  160. Question on shared rectifier / signal tube filament windings
  161. Heathkit rebuild or...?
  162. Fisher 500B OPT/Feedback Questions
  163. Transformer selection question
  164. Grounded Grid Help
  165. EF86 penthode
  166. Any audio use for ER21A?
  167. Upgrading a sonic frontiers SFS-80
  168. Hum problem
  169. low frequency oscillation in 12B4 linestage
  170. Balanced volume control question
  171. Need Help for Power Supply for gg Preamp
  172. OTL 6c33c Ciufolli v8.2 low voltage rails
  173. Any way to extend OPT low-frequency response?
  174. RCA Phono Stage Redux
  175. About tube codes
  176. More Joules? Tube or Solid State PSU?
  177. EL34 schematic confusion
  178. 2-stage DHT: high-mu vs. interstage stepup
  179. Understanding this power supply
  180. 6V6G recommended schematic
  181. parallel CRC Filtering for B+
  182. 6v6. 6lg Gain Max Voltage
  183. More buffer questions
  184. Benchtop PS
  185. Chassis labels
  186. LM317 Regulator Problem
  187. Can I afford my SE amp ??
  188. 12B4 versus 6S4 for linestage
  189. Function Generator Probe?
  190. Otl Set?
  191. Tektronix TDS2000 series is a noisy scope
  192. vanderveen's 30W PP amp..
  193. Roberts/Akai M series amp problems
  194. What speaker to use with my tube clone
  195. What’s the best tube amplifier you can build?
  196. Cathode Follower Buffer Input Impedance
  197. EL84 as Preamp and as Crossover
  198. Wondering if Upcoming DIY design will work with Tubes? Cheap DIY Kits?
  199. EL 84 Single Ended Integrated
  200. "2 Stage" PP 7591 Amp
  201. Jolida 1301a with Mission M71 speakers?
  202. EL34 SE in 430V?
  203. EL 84 PPP/PP Class A Triode schematic
  204. Almarro A318A
  205. beckman berkley model 7360
  206. spice model for UL output transformer?
  207. Need help with my new amp
  208. Motor caps
  209. E88CC Mullard fake
  210. Anyone try sharp cutoff pentodes in a p-p output stage?
  211. 845 A2 Monoblock Project
  212. newb needs help on simple el84 amp PS
  213. Newbie's power supply woes
  214. Question about M7 Preamp
  215. Which amp to DIY as a first project?
  216. help for psu
  217. tube amp
  218. Will a 6BH6 work in an Aikido?
  219. Tubes and maximum ratings
  220. FireFly Amp Question
  221. help needed 1st tube diy
  222. Help for newbie building Toccata preamp
  223. Diy Orange guitar amp
  224. Hybrid amp -> tube for VAS stage
  225. I recently inherited a Heathkit HO-10 monitor o-scope...
  226. Laney PA amp help!
  227. Aikido tube choice
  228. Biasing pre-amp problem
  229. Help with identifying tube
  230. Off Topic Holiday Cheer
  231. Prototype preamp example
  232. PV10AL Transformer burned, help!
  233. EL34 Pentode in Push-Pull!
  234. Mcintosh MX110 repair
  235. Mains Transformer Question
  236. Loaded Question
  237. A BIG SCRATCH in my speakers? Help me please.
  238. New Production Tung Sol 6550 Tubes - Opinions
  239. Looking to build a tube integrated
  240. Which high power CCS for output stage?
  241. Using a mosfet to drop B+?
  242. drawings vs. schematics
  243. New TEK Scopes
  244. Transfos Anyone?
  245. Ripple guidelines for power supplies
  246. Mains transformer orientation
  247. New Nightmare (Guitar Amp)
  248. AMD tube integrated tube amp
  249. Using Choke in LCRC filter in power supply
  250. Need good current sink JFET or MOSFET?

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