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  1. Distortion expected in SE DC coupled 26/45 amp
  2. One Channel is Louder than the other on my Tube Phono Pre
  3. Need a Zobel Network (or RC shunt) in tube amplifier?
  4. Aikido 12VAC Help needed
  5. Novarria TU-30 output transformer
  6. Question on Schematic
  7. CJ PV-10A
  8. Mcintosh C2200 ReCap
  9. simple tube amp for music
  10. SE Parafeed Signal Return ?
  11. RCA VC274
  12. Heathkit w5
  13. tube rectifier for 1000v AC
  14. Tone Control Intercept Point on TU 8200
  15. Help with transformer and power switch wiring
  16. Mullard 5-20 iron
  17. Hard data on HP928
  18. Glassware Audio
  19. 5U4G problem
  20. Schematic fr mono el84 SE wanted
  21. qualtek power module
  22. Low Static Hum Issue
  23. Look over my whacko schematic?
  24. PSU inrush current
  25. Heathkit A7 Output transformer
  26. THose lovely triodes
  27. Just picked up a shoebox of tubes from Craigslist
  28. Lower the primary impedance of the OPT to reduce distortion?
  29. Parallel/Series heater question
  30. Jay's Cheaterpants Hong Kong Marantz 7 Clone Build-Along
  31. Unused half of dual triode in low gain input stage in mono blocks?
  32. 12AL8 PP Amp Low Volume - Is this all or i can get more?
  33. Power supply resistors
  34. Aikido Headphone amplifier
  35. preamp
  36. How to turn Salvaged Parts into Projects..
  37. Output polarity?
  38. Help with this circuit
  39. Doing silly stuff for fun
  40. Modern Mullard head scratching
  41. Leben cs660p un identified component
  42. KT88 or 6L6 High-mu triode curves
  43. Edcor 240V primary 50hz humming
  44. Aikido quesion
  45. Why 6L6 is not more popular as power tube?
  46. 304TL SET schematic redesign. EML-20b Alternative?
  47. Question about Mullard EL84 Aplication note
  48. Magnavox tuner preamp 570111
  49. Tube amps on E-Bay
  50. Input, Output and Transfer Capacitance Question
  51. K502 Mods
  52. filament supply rectifier
  53. Triode as Voltage-Controled Dynamic Resistance in Compressor/Limiter
  54. RHSpud: Novice build
  55. 2A3 Amp - Not Another One...
  56. 12b4a pp
  57. replacing ECC82 with ECC99
  58. 2A3 input sensitivity
  59. Amp for JBL 2447 driver?
  60. Rare Philips 12ax7 Code Need Help
  61. Two quick questions on 35W4
  62. To convert Novar pins for Magnovale pins
  63. Mingda mc7r late design tweaking
  64. PSU for KT-90 PPP
  65. Noisy amp
  66. Book Recommendation for Newbies
  67. High power GU46 SE amplifier - help with certain issues
  68. Boyuu hifi Equis A10 EL34B+6N2 SE Tube Amplifier with 5Z4P rectifier: review and mod
  69. Unknown SE output transformer wiring
  70. Class A output without all the heat cheat
  71. Grid leak bias - Easy to overload?
  72. How about LTP with degenerate resistor?
  73. 1200 vdc capacitor tube amp.
  74. Telefunken OPT
  75. Fixed bias question
  76. Question about loadline in Morgan Jones
  77. Please explain this power supply...
  78. 6SN7 - EL84 SE with interstage?
  79. 211 amp test. Square wave measures
  80. SAC thailand OPT for 211/845
  81. 6P21s
  82. 6L7M, Is there any use in audio?
  83. 958a Line Preamp
  84. Experience of the TentLabs Bias control modules?
  85. Simple Line Stage Topology
  86. compound/hybrid amp
  87. 6CJ3's in full wave rectifier
  88. CCS anode load overcomes 3/2 law non-linearity
  89. EL84 PP OT design for amp project
  90. $3k o/p XFR
  91. Jadis Factory Tour
  92. "budget" headphone amp
  93. Power Pulse Tetrode for Audio
  94. The SE UL 6P41S USSR
  95. buzz from dacmagic on kit st70
  96. WE 350B and WE311B available
  97. How determine p-g1 capacitance in trioded pentode
  98. Why Is My Single Chassis #26 PreAmp So Stable!
  99. Rare tube
  100. Alan's rantings
  101. Tube Amp problem ?
  102. Tube preamp SS PS slight thump like dead wax on an LP
  103. Hum if volume control between midpoint and max; No hum if volume knob at max or zero
  104. SET's first ripple in a big wave ? Here it is . . .
  105. 6P3S/6L6GB Amplifier from scrap parts :)
  106. Choke loaded 6ax4 bridge
  107. Transformer and choke orientation question
  108. Why some people want DC coupling in power amp?
  109. want to diy a tube preamp using only 12 volts help
  110. Russian 6p3s??
  111. Single-ended 8w amp
  112. Hovland HP 100
  113. Simple Line Stage Expanded
  114. Bridge Rectifier with Fullwave Tube
  115. Can anyone help diagnose this SOHA II amp channel?
  116. Schade and the 6C33C
  117. AMC 3030 annoying ripple noise
  118. Question and comments on SE vs PP by Eddie Vaughn
  119. 6080 PSE output Tx?
  120. Difference Between Self-Inverting Push Pull and Anti-Triode?
  121. Is this capacitor required?
  122. Why nowadays tube amplifier should play better than 1960's amplifiers?
  123. Aikido 12vac
  124. iPod to Adcom tube buffer
  125. Referencing a direct coupled output stage
  126. Long lead length to tube socket
  127. 6FH8 a strange tube for audio?
  128. Troubleshooting a -follower
  129. unison research unico thump on power on?
  130. CCS Not Working
  131. Allied 333 Hum
  132. EL34 Grid 3 connection
  133. The differential amplifier
  134. low power otl amplifier
  135. Using two stage opamp as first gain stage of power amp.
  136. Standing opts and lying pts?
  137. Tube substitition wanted
  138. Fatman Wi-Tube Hybrid Valve Amplifier with FatDock - No Output
  139. Operating point for 6SN7
  140. Which is the ultimate, perfect negative feedback amount you recommend in UL SE?
  141. Where to buy McIntosh Tube Amplifier Parts?
  142. comments/corrections on 6bg6 pp triode amp
  143. Question about LTP in Morgan Jones' book
  144. Matching 16 ohm loudspeaker into 8 ohm output transformer: can i do any modification?
  145. EL34 SE ultralinear configuration working as a triode: pro and cons
  146. First Build Help Needed - Transformer
  147. dynaco st70 headphone amp
  148. Velleman 4040 rebuild
  149. help needed for heater wiring of a 300B
  150. Best UX4 sockets?
  151. Filson 216 phono rework, advice please
  152. IRFS820B
  153. Help converting integrated amp to preamp
  154. 6N16B triodes: asking advice
  155. D3a IV
  156. stability of bias of KT88 in Xindak V30
  157. half 6SN7 / 6CG7 7pin mini substitute?
  158. Simple Line Stage
  159. 6L6GC redplating - what say you please?
  160. Yaqin MC-10L no bass response
  161. My first phono pre
  162. Fet rectifier?
  163. Two-cases amplifier, question about power switch
  164. VTL bias problems compact 100
  165. Assembly Manual heathkit a7-b
  166. Question about CCS used in Morgan Jones' book.
  167. Layout question -- Do PS chokes inject hum into output caps?
  168. Pickering 132e record compensator
  169. Gain in Aikido for F4 + fe208ez?
  170. Audio note kit 1 power transformer
  171. DC Cancellation using Secondary Winding of Gapless OPT
  172. help for power transformer for scott 99d amp
  173. Altec 342B bridging
  174. Kofi's Uniamp
  175. Please help with vexing grounding issue
  176. 6V6 class A2
  177. Buzzing Preamp
  178. 6922/E88CC in Parallel Mode without Cathode Resistors?
  179. 211 based on iGoliath Amplifier
  180. Art Audio UK dm vps
  181. Power supply conversion.
  182. EL84/6BQ5 tube amp project
  183. Little Bear P8 Amp Questions.
  184. 6k6 gt rca radiotron tube ?????
  185. The Guiguang 300B have good bass ?
  186. Ampex 300 Input Transformer
  187. Recap Heathkit A-7 amplifier.
  188. Testing KT-120
  189. 27GB5/PL504 The Same?
  190. Running Eico ST70 at 90 volts.
  191. TU-8200 with speakers 94db
  192. Magic behind Mentor
  193. dn2540 noise
  194. Rectifier PIV derated for altitude ?
  195. CLC psu for headamp?
  196. Teeco 610d amplifier schematic
  197. Has anyone tried the Aleph CCS in a tube amp?
  198. Question on 6 pin umbilical cord for tube power supply
  199. Transformer Spacing
  200. Can this be done?
  201. Low Voltage (60V) Stereo Tube Amplifier for Dummies (2+2W)
  202. Comparing OPS.
  203. Question on PSUD2 or My Ignorance!
  204. 8BU11 pentode section driving output transformer
  205. Schematic for Cary 300SEI
  206. parallel tubes
  207. 211 grid current
  208. Issues with Mcintosh MC2000
  209. 833a spud amplifier
  210. Klipsch 6.5" Bookshelf Good for 1W SE?
  211. Pete Millett Compactron Triple triode push-pull driver PCB for 6L6GC AB2 amp
  212. Sonic Frontiers Line 3 tubes and cap recommendations
  213. Problem with my Tentlab Transport
  214. Cheap and Cheerful GE 35EH5 SE Amp That Hums
  215. Bench Power Supply Safety
  216. Comments on this preamp?
  217. VoltSecond things that make You say OUCH!
  218. 'Selectron' tubes: From where?
  219. Tony's 6C33 pp amp build progress....
  220. power transformer voltage change
  221. Getting the Urge to Play More
  222. Valve Testing - Help
  223. 10Y/VT-25
  224. GM-70 Socket
  225. Radical Reshape of Magnavox Console Amp
  226. JC Morrison
  227. Daven 3 tube amplifier
  228. ecc82/83 questions
  229. Australian AWV Valve Date Codes
  230. Anyone need a 5U4 ?
  231. Help in identify manufacturer (chicken feet?)
  232. g1 grid stoppers
  233. Lot of tubes needs a new home.....
  234. Differential Bias
  235. British Vacuum Cleaner Eng Co Ltd - Goblin
  236. output cap and stepped vol advice. Cary SLP50
  237. Sony TC-500 Gives Its All
  238. Another 211 monobloc
  239. 6N1P-EV Voskhod or Anod manufactured better sounding?
  240. help with long tail pair bandwidth
  241. Anyone have both an Eico HF-81 and Akai M-8?
  242. Sylvania Engineering Sample 12ax7
  243. Between 5AR4/GZ34, 6CH3/6CJ3 and 6D22S anode resistance
  244. One-tube simple amplifier sound experiment
  245. CK1006 ignition voltage?
  246. First build- dual mono octal linestage
  247. schematic for Baldwin 3 chan organ amp
  248. output transformer inquiry.
  249. 807 triode strapped amp - few questions
  250. HV power supply with filament bias

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