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

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