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  1. Problem: Really Bright glowing 6CA7
  2. New member introduction & question
  3. The "PowerTotem"... a new way to SET?
  4. Please advice on KT88 Push Pull
  5. Odd's n Ends Revisited 6V6 SE amp
  6. Bottlehead Foreplay with chipamp
  7. Next Amp: 2a3PSE, 300B or KT88SE UL
  8. transformer list
  9. do 300b amps really sound any good?
  10. Capacitance For Mono Block Design
  11. pilot 264
  12. Octal equivalents for 6C45?
  13. lm3875 chipamp and tube pre loud buzzing
  14. PSE UL EL84 or 6V6 or EL34?
  15. Paraphase Splitter - why is it unpopular?
  16. Tubed IR spectrophotometer
  17. Very Basic 12AX7 Heater Question
  18. 6072A/12AY7 for an AKG C12 Microphone
  19. SET Suggestions
  20. Will ccs work with a DHT?
  21. Resistor type and power rating
  22. tube patents
  23. Why use E182CC?
  24. tube
  25. understanding transformer codes
  26. Maida regulator, these results expected?
  27. Moto chassis pulled! pics!
  28. glasshouse kit amps. Any good?
  29. class B
  30. a.r.t. mpa tube pre amp
  31. Upper and lower triode in E88CC
  32. Booster Amps
  33. Help on Magnavox Paraphase (Gabevee?)
  34. New stock pre -amp tubes. Whats good?
  35. CV2492 / 6922 / E88CC
  36. HK Citation II Bias "issues"
  37. 3k vs. 5k transformer for PP 2A3
  38. Turret terminal board for line stage construction?
  39. Tube Cage Question
  40. Small and easy ESL amp
  41. SOVTEK 6550WE's any good?
  42. power tube for drivers
  43. 12B4A line driver/preamp
  44. Question about tube amp power supply caps
  45. Why separate AC heater supplies for driver and power tubes?
  46. Using one half of double triode
  47. huh ?
  48. holy cow, this sounds nice
  49. my SY CCS is only giving me 15mA
  50. Changing filter cap in HH Scott
  51. Why Class AB is bad
  52. Problem, please help !!!!!!
  53. Eico hf-30 reworking
  54. KT88 Bias Adjustment
  55. Interstage Distortion Measurements
  56. Survey: Aikido distortion
  57. Loftin-White Mod
  58. Music Angel EL34
  59. How much filtering required for DC heaters?
  60. What is the best input/driver for 2A3 SE?
  61. tube kits....
  62. !2ax7 heater wiring? Series / parallel?
  63. Shunt regulator
  64. Trying to choose a project...
  65. Old Projector amp conversion project
  66. Experiences with TJ Mesh Plate DHT's
  67. The lost Millman Seely chapters on audio amps
  68. Individual fixed bias and transf coupling
  69. Transmitter e-tour
  70. 7984
  71. Screen driven EL36 / 6CM5 /PL36 /25E5
  72. Clone Marantz 7C power supply
  73. On - board supply ?
  74. Name that EL34!
  75. How much plate voltage for 6N1P's?
  76. minimalist valve pre for follower
  77. Tube availability: what would you do?
  78. Silvertone 1472 Makeover
  79. Looking for EL32 schematic
  80. oil bath cooling for tubes?
  81. Aikido Crackle Hiss Noise Solved
  82. Mini-p1 tweaks
  83. Refried Power Supply?
  84. The Edcor meets the 6AV5
  85. Anyone have curves for a 5HC7?
  86. Any common cathode (grounded grid) schematics?
  87. SIMPLE tube amplifier for...dummy guy...
  88. ground and earth
  89. Tube Cad Journal dead
  90. First amp
  91. 6922 direct coupled to 2A3
  92. Ok guys, get your daggers out.......
  93. How would you build a hybrid LM3xxx amp?
  94. Tade no tube amp!
  95. Sherwood 5500
  96. Most accurate way of matching triodes ?
  97. Help Identify This AMP!
  98. Old Tube Equipment Turnon
  99. Current Sourced Cathode Follower
  100. Tube Tester Data
  101. noob pre/pwer amp recording ?s
  102. Anyone heard of "in-rush" limiter resistor
  103. Will adding a 10H/125mA choke hurt bass performance
  104. Fixed bias vs. auto bias
  105. Not your average output transformer problem
  106. Balanced Audio Technology VK 3i preamplifier
  107. Musical Fidelity X10-D - changing tubes problem
  108. power transformers in series
  109. Loud sudden rumbling when turn on amp
  110. Help with tube amplification?
  111. UTC CG-431 Terminal Arrangement
  112. Mingda MC34B tweaks
  113. Symphonic Line Die Erleuchtung Reference
  114. 6SL7 Diffamp front end
  115. PT/OPT Orientation questions
  116. Effect of using 50k pot instead of 100k pot in tube preamp?
  117. Using the Crowhurst articles and Claus Byrith
  118. 12SX7
  119. Bridge SE amplifier
  120. Cad Sw
  121. Kit amps in the UK
  122. ECC82 based preamp
  123. How important is the coupling cap?
  124. pentode driven 300b set amp - any info?
  125. Circlotron Preamp with ECC88.
  126. Removing tone controls - Need a little help
  127. SE EL84 amplifier schematics
  128. Output coupling - Choke-coil method?
  129. 7788 tube mic preamp design
  130. Amperex 6085 Tube- Where to Buy?
  131. Can a 5687 drive four 813's in triode mode ?
  132. Schematics needed for Heathkit S33
  133. Tube Sparking
  134. Vacuum Tube Pre O.C.L.
  135. Why no single triode OTL power stages?
  136. 6922 .2 sections in parallel
  137. Pre-amp input remote control
  138. Any benefit to DC heater on parallel supply rectifier (GZ34)?
  139. Relpacing 6EU7s with 12AX7s - Good idea?
  140. These Valves good for anything?
  141. buzz problem
  142. Help with trafo
  143. Svetlana EL509 III tubes
  144. Noise on Aikido output
  145. Book “Single Ended Amplifiers” by John (not Gordon) Rankin
  146. EV4417 6CM5 (6x) P-P Amp Schematic
  147. Need recommendation for cathode bypass cap
  148. Simplest flea-powered amp?
  149. Decisions, Decisions - Help me select iron
  150. 966 mercury vapor rectifier
  151. Sound Practices CDs
  152. Question about DIY EL34PP amp
  153. noisy noisy noisy noisy noisy tube
  154. Help needed lowering B+ for DIY amp
  155. 6SN7 CCS
  156. Russian 6L6 family sketchy?
  157. HT regulator using 78xx
  158. Audio Research CA50
  159. Granite tiles
  160. SE Triode amp for a newbie
  161. tube is flashing and glowing very bright!
  162. Suggestions for another amplifier project.
  163. almost just another newbie thread...
  164. ts9 pt9 triode
  165. help Etude 124BA keep blowing fuse.
  166. Metal 6L6s?
  167. Hybrid amplifier help...
  168. Tube input and mosfet output
  169. musical fidelity f22 schematic wanted
  170. An intriguing 300B SE-direct-coupled-amplifier
  171. Output capacitor
  172. Cascoded Long Tail Pair Inferno!
  173. Tube ornamental rim
  174. What should be mod first in my amp
  175. EL504/PL504 spice model
  176. Long Tail Pair Phase Inverter with Penthode ?
  177. new spice models available
  178. Output Capacitor Value
  179. Popular tube websites notifier
  180. Convergent Preamplifier Schematich
  181. Source of tubes & associated stuff in Sydney?
  182. Projects involving EF50 tubes?
  183. Kt77?
  184. Best way to translate schematic into actual layout?
  185. Clean to breakup range
  186. 26 preamp problem
  187. mono tube microphone preamp
  188. Help designing a tube amp...
  189. MJE350 pinout and ccs issue
  190. KGB- DC Coupled Hybrid Balance OTL/OCL HeadAmp
  191. negative voltage doubler for ccs
  192. Loftin-White
  193. SET amp from 1619 driving a 809. Opinion wanted.
  194. Re:preamp sputtering noise
  195. Building an ECL82 Single Ended Amp ...
  196. help a newbie build his first tube project
  197. Mercury Vapour rectifiers
  198. El Cheapo Circlotron PSU question....
  199. lookin for a tube buffer
  200. Baby SET w/6FD7 and ilk, for Bas and others....
  201. py500A question
  202. Mundorf Silver-oil VS Jensen copper foil
  203. Drawing Schematics for Tubes
  204. Drive Current for EL509 Enhanced Triode
  205. How to use Svetlana 6d22s?
  206. James Singapore
  207. Oil Filled Capacitor not upright OK?
  208. Aikido using a #26 tube?
  209. Tube and DIY Newbie Kel84 vs Stoetkit Jr.2
  210. ZOTL and ferrites
  211. 6V6 vs EL84 SE UL
  212. Speaker questions for a Silvertone 1472
  213. Component selection
  214. Snap sound on preamp powerup
  215. Secondary voltage for heaters
  216. good schematic archive site
  217. Transitional SIlvertoneAmp between 1472 and 1482?
  218. Cheap Source for Hammond 125ESE
  219. PCF801 - pentode section has remote or sharp cut-off?
  220. Tube as a desk lamp
  221. Ella EL34 Bias Help
  222. tube diy can or can t
  223. Quad II Problems
  224. Choke input P/supply and critical damping
  225. balanced grounded grid preamp
  226. Fluorescent ballasts in SE
  227. Hammond Transformers and EZ80/EZ81
  228. Look what I found this weekend!
  229. Question on 300B tubes from Parts Connexion
  230. Russian Tubes
  231. Help a first timer to select...
  232. GE 5692 BLACK base?
  233. sources on the web for chinese amps
  234. How much capacitance in a power supply
  235. Parallel 12AT7 for 2A3 driver?
  236. Maida's regulator
  237. Common Mode Chokes for Heater Supplies
  238. Ming Da MC34B....passive or active pre amp?
  239. tube power supply upgrade... elna's, RTX, infinicap
  240. What tube do you think this OPT matches?
  241. safety fuse
  242. Short and sweet review of Sun Audio SV-300BE
  243. Help selecting a DIY schematic
  244. OP Transformer power rating guesstimate
  245. need a lot help on an el34 project :P
  246. Anode Follower
  247. CCS for tubes/valves: PCBs
  248. Improvement to DM's Generic Triode Model for 12AU7
  249. ccs, direct coupling and stuff
  250. Replica Pre QUAD 22 - Questions on mids

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