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  1. Loftin White
  2. Thump when I switch on.
  3. 845 Amplifier
  4. 2A3 PSE reincarnation.
  5. PSE to SE - Pros and Cons
  6. Chinese Amp
  7. Kit amp for the Quad 57s
  8. Bellari Phono Preamp
  9. MELQUIADES amplifier ?
  10. 300b amp speaker driving problems
  11. 845 Nuvistor Amp
  12. Glasshouse passive pre
  13. how to wire an amp....
  14. Power Supply Headache
  15. 300b pse monoblocks on ebay
  16. More Power Supply Ignorance!
  17. Noisy 6922's in phono stage
  18. Tube CAD/SE AMP CAD
  19. Mains Transformer
  20. Single Ended EL34 amp
  21. ecc83 opinions
  22. yuk!!
  23. cheap passive pre
  24. Recommend Valve Book For Newbies
  25. mine!!
  26. now's the time...
  27. 5-20 Output Transformers
  28. wanted, bit of metalwork...
  29. just done this
  30. just built the most amazing preamp
  31. Thorsten WE91 Variant
  32. scam???
  33. criminal
  34. 845 Meltdown
  35. just built this....
  36. very nice chassis
  37. Aikido driver into an Interstage in Parafeed
  38. Lite Audio Phono Stage
  39. aikido is up and running
  40. lm3875 and tube pre loud buzzing
  41. filament tx problem
  42. 6SN7 Pre-amp
  43. Electrostatic headphone amp?
  44. Zen and the Art......
  45. Output Transformer Question
  46. Solid State
  47. balanced input
  48. what i wanted to do....
  49. For Nick - Yet another Pentode input amp
  50. Low noise HT
  51. Low noise HT - non BG!
  52. Pentode driven PT15 trioded for Stuart
  53. 211 Amp
  54. Cable for preamp input cables
  55. partial feedback
  56. feed back etc?
  57. DH Diode Valve Bridge Rectification
  58. Simple 12v tube buffer
  59. Help IS this a Good Phono Amp
  60. impedence matching
  61. Bluebell 211 Amp
  62. Recommended SE amp for electrostatic speakers
  63. Computer amplifier ?
  64. Quad 11 Problem !
  65. GM70 Tractor mk2 - oh my
  66. E55L pentode spud?
  67. EL34 - Son of Rocky
  68. Cathode Capacitors - Which and why?
  69. GK 71 triode curves
  70. Of Sledgehammers and Walnuts
  71. 6v6
  72. Sonic Impact T-Amp
  73. SV572 series
  74. iPod gets retro with valve amp dock
  75. Rather nice looking 845 SE amp
  76. Pentode driven 2A3 ?
  77. KR Audio Tubes
  78. what i did next....
  79. Cheap project competition
  80. Building first Amp Transformer Help
  81. transformer noise
  82. 45, first steps
  83. a few good circuits to try....
  84. Great Phonostage Mod.
  85. Mic TX's
  86. 45 Amp Circuit
  87. Voltage doubler question?
  88. Voltage doubler question?
  89. Pass Zen
  90. AC Heaters
  91. vvt transformers
  92. SE psu stuff....
  93. class D - anyone?
  94. £100 amplifier, is it really possible?
  95. 6sj7 >>> El34se
  96. Filtered Mains Inlets
  97. 832 valve heaters
  98. 832 power supply
  99. P-P output transformers
  100. PX25 Blimey!
  101. Bugle!
  102. To220...
  103. problem with my quad, can anyone help?
  104. 300b S/E problems.
  105. quick questions about WD KEL84
  106. 300b pp power supply
  107. What phono pre?
  108. so, i was thinking of buying these
  109. Audionote tantalums
  110. kel84.
  111. Martin's amp
  112. Maplin Millennium 4-20 amps ?
  113. Quick DC polarity question
  114. Voltage drop with valve rectifier
  115. new 300b amp circuit
  116. psu ripple questions
  117. ae europe
  118. Help getting the right HT needed.
  119. Kel84, what valves
  120. psud2 question
  121. power supply damping in psu d.
  122. Lm1084
  123. Question re Nick G's power supply
  124. PSU Offload voltage test Help
  125. "WAD" Mullard 5-20
  126. 'new' topology
  127. kel84 caps
  128. Chassis
  129. mullard el84
  130. Help PSU Voltage way off
  131. Newby first build amp 832.
  132. operating points
  133. My new amplifier
  134. Now the Learning Begins
  135. Tone controls
  136. Transformer Voltages in Duncan’s PSU Designer II
  137. LDR passive
  138. Choke Tuning Advice Pleas
  139. Tractor - Oh no, not again!
  140. Upgrading my 300B Fi Primer
  141. Headphone Amp Tweaking idea,s Pleas
  142. minimal design for Class-A
  143. james - shunt reg q
  144. The 300b gets a reprieve
  145. Cyrus 1 amp overhaul
  146. "Panzer" Amp 6C33 + C3m
  147. PX4 Hum
  148. Bursts of HF oscillation
  149. Breadbording techniques
  150. noise
  151. Bench Supply
  152. Tung Sol 6550s
  153. A civilised little number
  154. what are the advantages of Battery Bios
  155. Transformer types for MF X-PSU clone
  156. Rankin's amps
  157. Advice needed on this please....
  158. Not only SE but single valve too
  159. what have i been up to?
  160. Which 2A3 Amp
  161. PX4 Perfection
  162. New Gordon Rankin design
  163. PS condenser bypassing resistor values?
  164. PT15 valve ?
  165. Musical fidelity a1 amp
  166. Are TVC/Autoformers slow?
  167. OT - guitar amp question while the Cm3/300B is on the bench
  168. how much AC?
  169. Time to Gut the 6SN7/300b ! Throw your ideas at me !
  170. 6SN7 feedback
  171. Open Ioop network
  172. That 300B Fi Primer amp again...
  173. Question on shunt regulation, JamesD's in particular
  174. DC Heating
  175. what about pt15?
  176. Find me a circuit!!
  177. ECL82/6BM8 substitute for ECL83?
  178. Two Grids?
  179. recommended Output TX's for PT15 ?
  180. Guitar amp design
  181. son of rocky takes a dive
  182. Bruce Berman Homebrew 76 Pre
  183. Tube Phono Amps
  184. Constant Current uses
  185. Power Supply Model using PSUD
  186. EL34 driver for PT15
  187. Leach Head Amp
  188. Chassis, and cutting
  189. Buzzing mains Transformers
  190. Transformer Burn-In?
  191. DC supply for DHT ( PT15 amp )
  192. Mullard R4-250 tetrode
  193. How hard can I drive an E180F?
  194. decouple driver stage HT supply from output stage?
  195. Band-limiting a preamp output.
  196. Rocky Returns
  197. Power Supply Design Strategy, From Morgan Jones
  198. PT15 - finally done it !
  199. 500-600v Ht Ps ?
  200. Beginners amp
  201. 2A3 PP amp
  202. ECL82 Amp Transformer Question
  203. Of Ipods , preamps and PT15 power amp
  204. True realism
  205. On Hum Buckers, DHT's and DC heating
  206. El 84
  207. Next Headphone amp - suggestions ?
  208. Triple T-Amp Project
  209. amplifier squealing
  210. C3g triode connected with interstage?
  211. on holiday so.... more phonos
  212. Thorsten Phono Amp problem.
  213. Trix Pix
  214. aikido headphone amp
  215. Duncan's psu'd
  216. Useful source?
  217. Half wave rect
  218. How do I learn more about "impedance" ?
  219. Earthing
  220. Choice of drivers - DHT or Pentode?
  221. What should I do next?
  222. One way to build an amp
  223. Questions about PSE designs
  224. My Phono Amp's a radio!
  225. New amplifier
  226. PSUII Upgrade
  227. valve eqivalent?
  228. Audionote M3 preamp circuit.
  229. Transformer Question
  230. Line stage preamps
  231. who's the cutting edge...
  232. James Transformers
  233. In rush current and blowing slow blow fuses.
  234. new preamp?
  235. Coupling and bypass capacitor values
  236. Zout:RIAA R1 ratio question
  237. Where to get black gate caps from?
  238. Project 13/6EM7: A piece of Single-ended Heaven?
  239. Van Der Veen Tx's
  240. power/output xformers from maplin
  241. 6sn7 Hybrid amps?
  242. Lumley Transformer Replacement
  243. MV rectifiers
  244. Hummmm gonnnnne
  245. 2a3
  246. Slightly O/T, guitar amps.
  247. New Chassis fabrication
  248. Have i blown my phono stage?
  249. Transformer shrouds/cowlings ?
  250. Passive Preamp with S&B transformers