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  1. 6SL7 - grid stopper values
  2. HELP - Laying out footprint for 9 pin tube socket
  3. Telefunken Magnetophon 104 - Keep or strip?
  4. Transformer rewinding or repair needed.
  5. Sun Audio in the USA?
  6. Wyetech Opal 6SN7 tube preamp, any DIY kit sound even close?
  7. KBG capacitors
  8. Praise for the 6N6G
  9. DHT equivalent to 12AT7?
  10. Why high voltage in coupling caps?
  11. BIAS Consonance M800SE
  12. SE ECC83 - EL 84 - EZ 81 - 1964 !
  13. Name That Design!!
  14. Distortion expected in SE DC coupled 26/45 amp
  15. One Channel is Louder than the other on my Tube Phono Pre
  16. Need a Zobel Network (or RC shunt) in tube amplifier?
  17. Aikido 12VAC Help needed
  18. Novarria TU-30 output transformer
  19. Question on Schematic
  20. CJ PV-10A
  21. Mcintosh C2200 ReCap
  22. simple tube amp for music
  23. SE Parafeed Signal Return ?
  24. RCA VC274
  25. Heathkit w5
  26. tube rectifier for 1000v AC
  27. New Tubes For Peavey Valveking VK100
  28. Tone Control Intercept Point on TU 8200
  29. Help with transformer and power switch wiring
  30. Mullard 5-20 iron
  31. Hard data on HP928
  32. Glassware Audio
  33. 5U4G problem
  34. Schematic för mono el84 SE wanted
  35. qualtek power module
  36. Low Static Hum Issue
  37. Look over my whacko schematic?
  38. PSU inrush current
  39. Heathkit A7 Output transformer
  40. THose lovely triodes
  41. Just picked up a shoebox of tubes from Craigslist
  42. Lower the primary impedance of the OPT to reduce distortion?
  43. Parallel/Series heater question
  44. Jay's Cheaterpants Hong Kong Marantz 7 Clone Build-Along
  45. Unused half of dual triode in low gain input stage in mono blocks?
  46. 12AL8 PP Amp Low Volume - Is this all or i can get more?
  47. Electrolytic cap voltage
  48. Power supply resistors
  49. Aikido Headphone amplifier
  50. preamp
  51. Resistor question
  52. How to turn Salvaged Parts into Projects..
  53. Output polarity?
  54. Help with this circuit
  55. Doing silly stuff for fun
  56. Modern Mullard head scratching
  57. Leben cs660p un identified component
  58. KT88 or 6L6 High-mu triode curves
  59. Edcor 240V primary 50hz humming
  60. Aikido quesion
  61. Why 6L6 is not more popular as power tube?
  62. 304TL SET schematic redesign. EML-20b Alternative?
  63. Question about Mullard EL84 Aplication note
  64. Magnavox tuner preamp 570111
  65. Tube amps on E-Bay
  66. Input, Output and Transfer Capacitance Question
  67. K502 Mods
  68. filament supply rectifier
  69. Triode as Voltage-Controled Dynamic Resistance in Compressor/Limiter
  70. RHSpud: Novice build
  71. 2A3 Amp - Not Another One...
  72. 12b4a pp
  73. replacing ECC82 with ECC99
  74. 2A3 input sensitivity
  75. Amp for JBL 2447 driver?
  76. Rare Philips 12ax7 Code Need Help
  77. Two quick questions on 35W4
  78. To convert Novar pins for Magnovale pins
  79. Mingda mc7r late design tweaking
  80. PSU for KT-90 PPP
  81. Noisy amp
  82. Book Recommendation for Newbies
  83. High power GU46 SE amplifier - help with certain issues
  84. Boyuu hifi Equis A10 EL34B+6N2 SE Tube Amplifier with 5Z4P rectifier: review and mod
  85. Unknown SE output transformer wiring
  86. Class A output without all the heat cheat
  87. Grid leak bias - Easy to overload?
  88. How about LTP with degenerate resistor?
  89. 1200 vdc capacitor tube amp.
  90. Telefunken OPT
  91. Fixed bias question
  92. Question about loadline in Morgan Jones
  93. Please explain this power supply...
  94. 6SN7 - EL84 SE with interstage?
  95. 211 amp test. Square wave measures
  96. SAC thailand OPT for 211/845
  97. 6P21s
  98. 6L7M, Is there any use in audio?
  99. 958a Line Preamp
  100. What capacitors do i need for this?
  101. Experience of the TentLabs Bias control modules?
  102. Simple Line Stage Topology
  103. compound/hybrid amp
  104. 6CJ3's in full wave rectifier
  105. CCS anode load overcomes 3/2 law non-linearity
  106. EL84 PP OT design for amp project
  107. $3k o/p XFR
  108. Jadis Factory Tour
  109. Considerations for Tubelab Simplse
  110. "budget" headphone amp
  111. Power Pulse Tetrode for Audio
  112. The SE UL 6P41S USSR
  113. buzz from dacmagic on kit st70
  114. WE 350B and WE311B available
  115. How determine p-g1 capacitance in trioded pentode
  116. Why Is My Single Chassis #26 PreAmp So Stable!
  117. Rare tube
  118. Allan's rantings
  119. Tube Amp problem ?
  120. Tube preamp SS PS slight thump like dead wax on an LP
  121. Hum if volume control between midpoint and max; No hum if volume knob at max or zero
  122. SET's first ripple in a big wave ? Here it is . . .
  123. Fourier Chassis for the shipping costs
  124. 6P3S/6L6GB Amplifier from scrap parts :)
  125. Choke loaded 6ax4 bridge
  126. Transformer and choke orientation question
  127. Why some people want DC coupling in power amp?
  128. want to diy a tube preamp using only 12 volts help
  129. Russian 6p3s??
  130. Single-ended 8w amp
  131. Hovland HP 100
  132. Simple Line Stage Expanded
  133. Bridge Rectifier with Fullwave Tube
  134. Can anyone help diagnose this SOHA II amp channel?
  135. Schade and the 6C33C
  136. AMC 3030 annoying ripple noise
  137. Question and comments on SE vs PP by Eddie Vaughn
  138. 6080 PSE output Tx?
  139. Difference Between Self-Inverting Push Pull and Anti-Triode?
  140. Is this capacitor required?
  141. Why nowadays tube amplifier should play better than 1960's amplifiers?
  142. Aikido 12vac
  143. iPod to Adcom tube buffer
  144. Referencing a direct coupled output stage
  145. Long lead length to tube socket
  146. 6FH8 a strange tube for audio?
  147. Troubleshooting a µ-follower
  148. unison research unico thump on power on?
  149. CCS Not Working
  150. Allied 333 Hum
  151. EL34 Grid 3 connection
  152. The differential amplifier
  153. low power otl amplifier
  154. Using two stage opamp as first gain stage of power amp.
  155. Standing opts and lying pts?
  156. Tube substitition wanted
  157. Fatman Wi-Tube Hybrid Valve Amplifier with FatDock - No Output
  158. Operating point for 6SN7
  159. Which is the ultimate, perfect negative feedback amount you recommend in UL SE?
  160. Where to buy McIntosh Tube Amplifier Parts?
  161. comments/corrections on 6bg6 pp triode amp
  162. Question about LTP in Morgan Jones' book
  163. Matching 16 ohm loudspeaker into 8 ohm output transformer: can i do any modification?
  164. EL34 SE ultralinear configuration working as a triode: pro and cons
  165. First Build Help Needed - Transformer
  166. dynaco st70 headphone amp
  167. Velleman 4040 rebuild
  168. help needed for heater wiring of a 300B
  169. Best UX4 sockets?
  170. Filson 216 phono rework, advice please
  171. IRFS820B
  172. Help converting integrated amp to preamp
  173. 6N16B triodes: asking advice
  174. D3a IV
  175. stability of bias of KT88 in Xindak V30
  176. half 6SN7 / 6CG7 7pin mini substitute?
  177. Simple Line Stage
  178. 6L6GC redplating - what say you please?
  179. Yaqin MC-10L no bass response
  180. My first phono pre
  181. Fet rectifier?
  182. PSpice simulation
  183. Two-cases amplifier, question about power switch
  184. VTL bias problems compact 100
  185. Assembly Manual heathkit a7-b
  186. Question about CCS used in Morgan Jones' book.
  187. Layout question -- Do PS chokes inject hum into output caps?
  188. Pickering 132e record compensator
  189. Gain in Aikido for F4 + fe208ez?
  190. Audio note kit 1 power transformer
  191. DC Cancellation using Secondary Winding of Gapless OPT
  192. help for power transformer for scott 99d amp
  193. New rack mounted chassis
  194. Altec 342B bridging
  195. Kofi's Uniamp
  196. Please help with vexing grounding issue
  197. 6V6 class A2
  198. Buzzing Preamp
  199. 6922/E88CC in Parallel Mode without Cathode Resistors?
  200. 211 based on iGoliath Amplifier
  201. Art Audio UK dm vps
  202. Power supply conversion.
  203. EL84/6BQ5 tube amp project
  204. Little Bear P8 Amp Questions.
  205. 6k6 gt rca radiotron tube ?????
  206. The Guiguang 300B have good bass ?
  207. Ampex 300 Input Transformer
  208. Recap Heathkit A-7 amplifier.
  209. Testing KT-120
  210. 27GB5/PL504 The Same?
  211. Running Eico ST70 at 90 volts.
  212. TU-8200 with speakers 94db
  213. Magic behind Mentor
  214. dn2540 noise
  215. Rectifier PIV derated for altitude ?
  216. CLC psu for headamp?
  217. Teeco 610d amplifier schematic
  218. Has anyone tried the Aleph CCS in a tube amp?
  219. Question on 6 pin umbilical cord for tube power supply
  220. Transformer Spacing
  221. Can this be done?
  222. Low Voltage (60V) Stereo Tube Amplifier for Dummies (2+2W)
  223. Comparing OPS.
  224. Question on PSUD2 or My Ignorance!
  225. 8BU11 pentode section driving output transformer
  226. Schematic for Cary 300SEI
  227. parallel tubes
  228. 211 grid current
  229. Issues with Mcintosh MC2000
  230. 833a spud amplifier
  231. Klipsch 6.5" Bookshelf Good for 1W SE?
  232. Pete Millett Compactron Triple triode push-pull driver PCB for 6L6GC AB2 amp
  233. Sonic Frontiers Line 3 tubes and cap recommendations
  234. Problem with my Tentlab Transport
  235. Cheap and Cheerful GE 35EH5 SE Amp That Hums
  236. Bench Power Supply Safety
  237. Comments on this preamp?
  238. VoltSecond things that make You say OUCH!
  239. 'Selectron' tubes: From where?
  240. Tony's 6C33 pp amp build progress....
  241. power transformer voltage change
  242. Getting the Urge to Play More
  243. Valve Testing - Help
  244. 10Y/VT-25
  245. GM-70 Socket
  246. Radical Reshape of Magnavox Console Amp
  247. JC Morrison
  248. Daven 3 tube amplifier
  249. ecc82/83 questions
  250. Australian AWV Valve Date Codes

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