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  1. another beginers first amp thread!
  2. Western Electric 374A
  3. Musen to Jikken 03/1997
  4. Please help me make a schematic
  5. Tips for Hakko 936-12
  6. AC or DC for 300b Heaters
  7. Two irons for PSU
  8. Which DHT for Line stage?
  9. Pye Mozart 10 amplifier
  10. I need a simple schematic with 6J1P tubes
  11. First tube project. Need advice.
  12. Sound Valves M-40 assistance
  13. Has anyone been keeping up on the 'New Sensor' Controversy?
  14. quad esl output transformer.
  15. penta labs?
  16. transformer links
  17. EL84 auto split
  18. TOPWARD MODEL 605 operation manual & Schematic
  19. PREdator, Diff/CF linestage.
  20. Triode Electronics ??
  21. Full Bridge Amp?
  22. Tube literature on pentodes + transformers
  23. so, who made General Motor's "AUTRONIC EYE" tubes?
  24. 6DJ8 Linestage
  25. Annyone seen this problem?
  26. psu to heater on 4 el34 tubes???
  27. 6C33C-B, Reliability--A theory........
  28. Sun Audio preamps
  29. Anyone Use A Harmon/Kardon XT-2 Xformer For MC ?
  30. Carver Phono
  31. Help With 3 Channel Magnavox
  32. simulation software
  33. trickle charge psu?
  34. tube filter
  35. Holiday S-5 K-12G
  36. Couple of (newbie) tube questions...
  37. valve buffer gainclone
  38. Series wiring for heaters
  39. DIY tube cd player ?
  40. Tubes in mp3 players?
  41. Output Impedance?
  42. Hum Pot Question
  43. Which 6AQ5
  44. White flakes in rectifier tube??
  45. Bogen V20 PA Amp Schematic or ?
  46. 12a?7 in Eico HF-12
  47. Home Made Tubes?? has anyone made one, is it possible??
  48. replace 6N1P with 7308
  49. Plate choke on a line stage?
  50. Looking for datasheet
  51. 811A SET Monoblock physical layout suggestions
  52. Automated bias
  53. OTL or parafeed?
  54. tubes: Jcm 900 Slx 50watt
  55. Reversing mains toroids for HT
  56. 5881/6L6WGC and 12AT7WA replacement
  57. Direction for Mounting Transformers
  58. Ecf80
  59. feedback phasing
  60. Cryotubes? Cryogenically Frozen valves
  61. European Triode Festival 2005
  62. PSU capacitors
  63. Question on shared rectifier / signal tube filament windings
  64. Heathkit rebuild or...?
  65. Fisher 500B OPT/Feedback Questions
  66. Transformer selection question
  67. Grounded Grid Help
  68. EF86 penthode
  69. Any audio use for ER21A?
  70. Upgrading a sonic frontiers SFS-80
  71. Hum problem
  72. low frequency oscillation in 12B4 linestage
  73. Balanced volume control question
  74. Need Help for Power Supply for gg Preamp
  75. OTL 6c33c Ciufolli v8.2 low voltage rails
  76. Any way to extend OPT low-frequency response?
  77. RCA Phono Stage Redux
  78. About tube codes
  79. More Joules? Tube or Solid State PSU?
  80. EL34 schematic confusion
  81. 2-stage DHT: high-mu vs. interstage stepup
  82. Understanding this power supply
  83. 6V6G recommended schematic
  84. parallel CRC Filtering for B+
  85. 6v6. 6lg Gain Max Voltage
  86. More buffer questions
  87. Benchtop PS
  88. Chassis labels
  89. LM317 Regulator Problem
  90. Can I afford my SE amp ??
  91. 12B4 versus 6S4 for linestage
  92. Function Generator Probe?
  93. Otl Set?
  94. Tektronix TDS2000 series is a noisy scope
  95. vanderveen's 30W PP amp..
  96. Roberts/Akai M series amp problems
  97. What speaker to use with my tube clone
  98. What’s the best tube amplifier you can build?
  99. Cathode Follower Buffer Input Impedance
  100. EL84 as Preamp and as Crossover
  101. Wondering if Upcoming DIY design will work with Tubes? Cheap DIY Kits?
  102. EL 84 Single Ended Integrated
  103. "2 Stage" PP 7591 Amp
  104. Jolida 1301a with Mission M71 speakers?
  105. EL34 SE in 430V?
  106. EL 84 PPP/PP Class A Triode schematic
  107. Almarro A318A
  108. beckman berkley model 7360
  109. spice model for UL output transformer?
  110. Need help with my new amp
  111. Motor caps
  112. E88CC Mullard fake
  113. Anyone try sharp cutoff pentodes in a p-p output stage?
  114. 845 A2 Monoblock Project
  115. newb needs help on simple el84 amp PS
  116. Newbie's power supply woes
  117. Question about M7 Preamp
  118. Which amp to DIY as a first project?
  119. help for psu
  120. tube amp
  121. Will a 6BH6 work in an Aikido?
  122. Tubes and maximum ratings
  123. FireFly Amp Question
  124. help needed 1st tube diy
  125. Help for newbie building Toccata preamp
  126. Hybrid amp -> tube for VAS stage
  127. I recently inherited a Heathkit HO-10 monitor o-scope...
  128. Laney PA amp help!
  129. Aikido tube choice
  130. Biasing pre-amp problem
  131. Help with identifying tube
  132. Off Topic Holiday Cheer
  133. Prototype preamp example
  134. PV10AL Transformer burned, help!
  135. EL34 Pentode in Push-Pull!
  136. Mcintosh MX110 repair
  137. Mains Transformer Question
  138. Loaded Question
  139. A BIG SCRATCH in my speakers? Help me please.
  140. New Production Tung Sol 6550 Tubes - Opinions
  141. Looking to build a tube integrated
  142. Which high power CCS for output stage?
  143. Using a mosfet to drop B+?
  144. drawings vs. schematics
  145. New TEK Scopes
  146. Transfos Anyone?
  147. Ripple guidelines for power supplies
  148. Mains transformer orientation
  149. AMD tube integrated tube amp
  150. Using Choke in LCRC filter in power supply
  151. Need good current sink JFET or MOSFET?
  152. Setting Up a Circuit for Testing
  153. 6H6 question
  154. Kennedy Tube Audio Website Hijacked
  155. Yet another 12B4 line stage, or is the 12B4 better than the Grounded Grid.....
  156. transformer for Philips AG9015
  157. Real McTube Help
  158. Where are the 307A / VT225 amps?
  159. Anyone have a single el84 PPP OPT?
  160. Using an old power transformer as a choke?
  161. Convergent Audio Technology SL-1 Scematics
  162. Poinz 6AQ5 Linestage
  163. microphone preamp
  164. Ticking noise, need help.
  165. Humm in my preamp...
  166. Enclosure suggestion/questions
  167. Calculating Tube Parameters +SPICE
  168. Loudspeaker for TUBE DIYer
  169. Tube ID 18R-AL1?
  170. 6l6gc Tube Drive
  171. Need a little help, TT and PC? Amp Kit?
  172. 12ax7 preamp
  173. 308/ecll800 Lorenz
  174. How did you do your Aikido?
  175. Thoughts on this 807 design
  176. Rectifier compatibilty
  177. Tube amp for biamped speaker
  178. 12ae6, 12fk6, 12fm6 diode specs
  179. Any software out there for taking the headache out of composite loadlines?
  180. Driving a single 6L6GC with 12AX7
  181. quick 50c5 to play around with
  182. A question about distortion in SE vs. PP designs:
  183. Need help on first tube amp rebuild -trans problems
  184. HAMMOND 125ESE Transformer WIRING
  185. preamp ps problem
  186. What does everybody really NEED???
  187. Marantz 7C still good today?
  188. Magnavox Chassis #196-55 Resistor Question
  189. 6BL7
  190. altec/peerless mystery amp
  191. 6gk8 triode pentode tube data
  192. Low Current Source
  193. Parallel Single-Ended Questions
  194. Tube power ratings
  195. 6DJ8 or 12xx7 for hybrid amp (Monarchy)
  196. What did I do wrong with LEGACY????
  197. seeking: tube for a SEP parallel feed like an EL84, but with a lower Ra
  198. Tube Tracer
  199. a question of tube behaviour
  200. Which tube? ECC82, 6SN7 or 6SL7
  201. oscillator
  202. The Covi Mark II Circlotron Amp
  203. HT transformers and polarity
  204. Hammond 156C - good Plate choke load??
  205. Music Man sixtyfive reverb head needs help!
  206. DIY pre-amp kit vote
  207. 6550 tubes
  208. Is the 6N6P a direct substitute for the 5687?
  209. SE amp using 1619 instead of 45 triode
  210. Akai M-7 Amp Schematics?
  211. asl 845 monos mods
  212. 3 stages... Two Power Supplies
  213. RCA 7094 tetrodes...
  214. KT88 push pull
  215. Tube amp fan?
  216. Ping gerd.....
  217. Need help finding Sovtel EL84M tubes
  218. Min. current draw for choke input?
  219. Passive RIAA with tubes
  220. Oscillation Mystery
  221. unison research P30K schem?
  222. Can I use a 5R4 GY in place of a 5AR4?
  223. Seeking for all Norman H. Crowhurst papers
  224. best way to elevate heater?
  225. Tube Load Line
  226. Homemade Vacuum Tube
  227. beardm70mk2-want less b+
  228. Need help with tube test data - fast
  229. Show me a schema 6Pi3C-E Push-pull
  230. Help about the 6SN7/5692 linestage
  231. Active load output stage
  232. Power supply question
  233. EL34 Triode Mode - G3 where?
  234. Is "reforming" Electrolytic Capacitors necessary?
  235. Screen grid driver for PL519?
  236. Best replacment for a 6F2
  237. Please Tell Me How To Modify And Upgrade My Music Angle 845 Amplifier?
  238. Pentode to Triode trick.
  239. 6550 making a Popping sound?
  240. Pie-eyed and puzzled...
  241. How about this schematic
  242. tube disorder
  243. PC choke in a preamp ?
  244. selective tone control
  245. time for a laugh
  246. Another New Build Pictures ( G' Amp )
  247. Help finding: 7-pin PCB socket, 90deg horizontal
  248. LC vs. CLC Theory
  249. Input transformer & volume pot
  250. MC34-B Quit working suddenly (newb)

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