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  1. Pse El34
  2. Mcintosh MR65 Tube Tuner
  3. Problem: Really Bright glowing 6CA7
  4. New member introduction & question
  5. The "PowerTotem"... a new way to SET?
  6. Please advice on KT88 Push Pull
  7. console "guitar amp" part 2
  8. Odd's n Ends Revisited 6V6 SE amp
  9. Bottlehead Foreplay with chipamp
  10. Next Amp: 2a3PSE, 300B or KT88SE UL
  11. transformer list
  12. do 300b amps really sound any good?
  13. Capacitance For Mono Block Design
  14. pilot 264
  15. Octal equivalents for 6C45?
  16. lm3875 chipamp and tube pre loud buzzing
  17. Using a spdt switch to select between triode mode and pentode mode on a guitar amp.
  18. 32 ohm bass amp.
  19. PSE UL EL84 or 6V6 or EL34?
  20. Paraphase Splitter - why is it unpopular?
  21. Tubed IR spectrophotometer
  22. Very Basic 12AX7 Heater Question
  23. 6072A/12AY7 for an AKG C12 Microphone
  24. SET Suggestions
  25. Will ccs work with a DHT?
  26. Resistor type and power rating
  27. tube patents
  28. Why use E182CC?
  29. tube
  30. understanding transformer codes
  31. Maida regulator, these results expected?
  32. Moto chassis pulled! pics!
  33. glasshouse kit amps. Any good?
  34. class B
  35. a.r.t. mpa tube pre amp
  36. Upper and lower triode in E88CC
  37. Booster Amps
  38. Help on Magnavox Paraphase (Gabevee?)
  39. New stock pre -amp tubes. Whats good?
  40. CV2492 / 6922 / E88CC
  41. HK Citation II Bias "issues"
  42. 3k vs. 5k transformer for PP 2A3
  43. Turret terminal board for line stage construction?
  44. Tube Cage Question
  45. Small and easy ESL amp
  46. SOVTEK 6550WE's any good?
  47. power tube for drivers
  48. 12B4A line driver/preamp
  49. Question about tube amp power supply caps
  50. Why separate AC heater supplies for driver and power tubes?
  51. Using one half of double triode
  52. huh ?
  53. holy cow, this sounds nice
  54. my SY CCS is only giving me 15mA
  55. Changing filter cap in HH Scott
  56. Why Class AB is bad
  57. Problem, please help !!!!!!
  58. Eico hf-30 reworking
  59. KT88 Bias Adjustment
  60. Interstage Distortion Measurements
  61. Survey: Aikido distortion
  62. Loftin-White Mod
  63. Music Angel EL34
  64. How much filtering required for DC heaters?
  65. What is the best input/driver for 2A3 SE?
  66. tube kits....
  67. !2ax7 heater wiring? Series / parallel?
  68. Shunt regulator
  69. Trying to choose a project...
  70. Old Projector amp conversion project
  71. Experiences with TJ Mesh Plate DHT's
  72. The lost Millman Seely chapters on audio amps
  73. Individual fixed bias and transf coupling
  74. Transmitter e-tour
  75. 7984
  76. Screen driven EL36 / 6CM5 /PL36 /25E5
  77. Clone Marantz 7C power supply
  78. On - board supply ?
  79. Name that EL34!
  80. How much plate voltage for 6N1P's?
  81. minimalist valve pre for follower
  82. Schematic opinion needed (guitar amp)
  83. Tube availability: what would you do?
  84. Silvertone 1472 Makeover
  85. Looking for EL32 schematic
  86. oil bath cooling for tubes?
  87. Aikido Crackle Hiss Noise Solved
  88. Mini-p1 tweaks
  89. Refried Power Supply?
  90. The Edcor meets the 6AV5
  91. old console radio as guitar amp
  92. Anyone have curves for a 5HC7?
  93. Any common cathode (grounded grid) schematics?
  94. SIMPLE tube amplifier for...dummy guy...
  95. ground and earth
  96. Tube Cad Journal dead
  97. First amp
  98. 6922 direct coupled to 2A3
  99. Ok guys, get your daggers out.......
  100. How would you build a hybrid LM3xxx amp?
  101. Tade no tube amp!
  102. Sherwood 5500
  103. Most accurate way of matching triodes ?
  104. Help Identify This AMP!
  105. Old Tube Equipment Turnon
  106. Current Sourced Cathode Follower
  107. Tube Tester Data
  108. noob pre/pwer amp recording ?s
  109. Anyone heard of "in-rush" limiter resistor
  110. Will adding a 10H/125mA choke hurt bass performance
  111. Fixed bias vs. auto bias
  112. Not your average output transformer problem
  113. Balanced Audio Technology VK 3i preamplifier
  114. Musical Fidelity X10-D - changing tubes problem
  115. power transformers in series
  116. Loud sudden rumbling when turn on amp
  117. Help with tube amplification?
  118. UTC CG-431 Terminal Arrangement
  119. Mingda MC34B tweaks
  120. Symphonic Line Die Erleuchtung Reference
  121. 6SL7 Diffamp front end
  122. PT/OPT Orientation questions
  123. Effect of using 50k pot instead of 100k pot in tube preamp?
  124. Using the Crowhurst articles and Claus Byrith
  125. 12SX7
  126. Bridge SE amplifier
  127. Cad Sw
  128. Kit amps in the UK
  129. ECC82 based preamp
  130. How important is the coupling cap?
  131. any pcb layout for marshall standard 50w valve amp ?
  132. pentode driven 300b set amp - any info?
  133. Circlotron Preamp with ECC88.
  134. Removing tone controls - Need a little help
  135. SE EL84 amplifier schematics
  136. Output coupling - Choke-coil method?
  137. 7788 tube mic preamp design
  138. Amperex 6085 Tube- Where to Buy?
  139. Can a 5687 drive four 813's in triode mode ?
  140. Schematics needed for Heathkit S33
  141. Tube Sparking
  142. Vacuum Tube Pre O.C.L.
  143. Why no single triode OTL power stages?
  144. 6922 .2 sections in parallel
  145. Pre-amp input remote control
  146. Any benefit to DC heater on parallel supply rectifier (GZ34)?
  147. Relpacing 6EU7s with 12AX7s - Good idea?
  148. These Valves good for anything?
  149. buzz problem
  150. Help with trafo
  151. Svetlana EL509 III tubes
  152. Noise on Aikido output
  153. Book “Single Ended Amplifiers” by John (not Gordon) Rankin
  154. EV4417 6CM5 (6x) P-P Amp Schematic
  155. Need recommendation for cathode bypass cap
  156. Simplest flea-powered amp?
  157. Decisions, Decisions - Help me select iron
  158. 966 mercury vapor rectifier
  159. Sound Practices CDs
  160. Question about DIY EL34PP amp
  161. noisy noisy noisy noisy noisy tube
  162. Help needed lowering B+ for DIY amp
  163. 6SN7 CCS
  164. Russian 6L6 family sketchy?
  165. HT regulator using 78xx
  166. Audio Research CA50
  167. Granite tiles
  168. SE Triode amp for a newbie
  169. tube is flashing and glowing very bright!
  170. Suggestions for another amplifier project.
  171. almost just another newbie thread...
  172. Bogen PA--->Guitar Amp, few questions
  173. ts9 pt9 triode
  174. help Etude 124BA keep blowing fuse.
  175. Metal 6L6s?
  176. Hybrid amplifier help...
  177. Tube input and mosfet output
  178. musical fidelity f22 schematic wanted
  179. An intriguing 300B SE-direct-coupled-amplifier
  180. Output capacitor
  181. Cascoded Long Tail Pair Inferno!
  182. Tube ornamental rim
  183. What should be mod first in my amp
  184. EL504/PL504 spice model
  185. Long Tail Pair Phase Inverter with Penthode ?
  186. new spice models available
  187. Output Capacitor Value
  188. Popular tube websites notifier
  189. Convergent Preamplifier Schematich
  190. Source of tubes & associated stuff in Sydney?
  191. Projects involving EF50 tubes?
  192. Kt77?
  193. Best way to translate schematic into actual layout?
  194. Clean to breakup range
  195. 26 preamp problem
  196. mono tube microphone preamp
  197. Help designing a tube amp...
  198. MJE350 pinout and ccs issue
  199. KGB- DC Coupled Hybrid Balance OTL/OCL HeadAmp
  200. negative voltage doubler for ccs
  201. Loftin-White
  202. SET amp from 1619 driving a 809. Opinion wanted.
  203. Re:preamp sputtering noise
  204. Building an ECL82 Single Ended Amp ...
  205. help a newbie build his first tube project
  206. Mercury Vapour rectifiers
  207. El Cheapo Circlotron PSU question....
  208. lookin for a tube buffer
  209. Baby SET w/6FD7 and ilk, for Bas and others....
  210. py500A question
  211. Mundorf Silver-oil VS Jensen copper foil
  212. Can you run a Fender Twin Reverb with only two 6L6's?
  213. Drawing Schematics for Tubes
  214. Drive Current for EL509 Enhanced Triode
  215. How to use Svetlana 6d22s?
  216. James Singapore
  217. Oil Filled Capacitor not upright OK?
  218. Aikido using a #26 tube?
  219. Tube and DIY Newbie Kel84 vs Stoetkit Jr.2
  220. ZOTL and ferrites
  221. 6V6 vs EL84 SE UL
  222. Speaker questions for a Silvertone 1472
  223. Component selection
  224. Snap sound on preamp powerup
  225. Secondary voltage for heaters
  226. good schematic archive site
  227. Transitional SIlvertoneAmp between 1472 and 1482?
  228. Cheap Source for Hammond 125ESE
  229. PCF801 - pentode section has remote or sharp cut-off?
  230. Tube as a desk lamp
  231. Ella EL34 Bias Help
  232. tube diy can or can t
  233. Quad II Problems
  234. Choke input P/supply and critical damping
  235. balanced grounded grid preamp
  236. Fluorescent ballasts in SE
  237. Hammond Transformers and EZ80/EZ81
  238. Look what I found this weekend!
  239. Question on 300B tubes from Parts Connexion
  240. Russian Tubes
  241. Help a first timer to select...
  242. GE 5692 BLACK base?
  243. sources on the web for chinese amps
  244. How much capacitance in a power supply
  245. Parallel 12AT7 for 2A3 driver?
  246. Maida's regulator
  247. Common Mode Chokes for Heater Supplies
  248. Ming Da MC34B....passive or active pre amp?
  249. tube power supply upgrade... elna's, RTX, infinicap
  250. What tube do you think this OPT matches?

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