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  1. DF 96 tube
  2. S.A.C.T valve transformers
  3. Very strange....
  4. Advice Needed on PSU Over voltage
  5. Griffin G170 schematic needed
  6. Funny comment about the religion of SE
  7. calculate needed wattage for output transformer
  8. AP1 tube preamp assistance needed,please?
  9. 6AN8 or ECF80 ?
  10. Simple Cheap Amp Using 6l6 and/or 12ax7?
  11. Which Tube Amp Kit Sounds Best
  12. Push Pull 6HJ5 Monoblocks
  13. 100 V transformers
  14. unstable right channel
  15. Aikido 9 pin tubes for 2a3
  16. preamp kit
  17. 71a DHT Pre - MV Rectifier, Batteries, and TVC's
  18. Build ideas? New tube amp find and I'd like some input please.
  19. OB2 SPICE model
  20. Push pull - driver tube plate voltage
  21. Voltage Doubler Caps
  22. Morgan Jones Regulator - Questions
  23. Gu-50 SE Amp , quick question...
  24. Tube Amp Open Circuit Protection
  25. 6CU6 Sweep Tube Monoblock Power Amp Build Log
  26. je labs type 76 preamp build!
  27. Any Tube Designers Out There: Money For You
  28. Output Transformer Questions
  29. cathode bias redplate question
  30. eyelets and radial capacitors
  31. Help with MiniBlok II
  32. Reading Sovtek Date Codes
  33. ECF or PCF80 as a headphone amp
  34. 60 Watt Mono Build
  35. Amp for Klipsch Heresy
  36. The ULTIMATE 300B
  37. Stage gain and cascading
  38. NOS Tube Socket Question
  39. 75 Watt/Channel Monoblock Custom Amp
  40. Wiring variac
  41. 1SH29B russian miniature tube - useful for audio?
  42. Humming in PP EL84 Tubes aMP.
  43. Repurposing a Tube Reel to Reel
  44. YaQin MC-10L Vs ST70: Sound Quality
  45. Voltage VS. Amperage?
  46. 3 questions about 6B4g
  47. DIY OPT - are these good?
  48. Audio Research regulators
  49. 0C3 for lowering down the screens?
  50. radio like interference condition in SA-100
  51. PCL86 heater flash
  52. Tube powered subwoofer
  53. Anyone have experience with Shuguang 805A
  54. The emperor's new amplifier
  55. Power supply question:twin choke input?
  56. El-84 vs El-86
  57. Modifying Tektronix Type-E Plugin
  58. radio coming thru speakers.
  59. FM tube tuner
  60. diy el 34 se
  61. Transformers Specs for a 2x KT88 Amp
  62. 805 Positive or Negative Grid
  63. Point To Point, 100 percent, No Kit
  64. More line loads etc
  65. B300 C120 rectifier replacement.
  66. Triode simulation/emulation with solid state
  67. What is the driver circuit here?
  68. Dynaco Mark III
  69. ReCap- Heathkit AA-151 Help
  70. Hammond Chassis?
  71. How about an IXCP10M90 as a FETRON
  72. PUSH PULL SE ???
  73. More load lines...
  74. 7193/2C22: wich brand's the best?
  75. Bumed out over this Setchell Carlson
  76. Looking for Electron flow diagram
  77. Why Only Automatic/Semi-Automatic Bias?
  78. Audio Note M-Zero preamp
  79. Load lines. What?
  80. Preamp - pop on channel change
  81. Just for interest.
  82. 813 push-pull output 250W tube amp
  83. What sort of resistors are fine to use in tube amps?
  84. How Not To Pack DHTs For Postal Shipment
  85. Help me ID this trafo and tubes..
  86. Full PSE Amp /only 6E5P/
  87. ATH90
  88. Corroded valve pins
  89. Power supply advice needed
  90. Big Capacitors in PSU
  91. 6CD6G Tube amp
  92. Removal of Cathode Follower in JE Labs Circuit
  93. Q: Cascaded Transformers, S&B102+LL7903
  94. Threshold dac 1e possible modd
  95. Need Help with PSVANE 6CA7-T
  96. Why kind of Vacuun tube is the Tung-Sol TS 930 ??
  97. Magnetic Ballast (Sylvania) MB2 x 40/120 RS
  98. Recommendations & Budget for DIY Tube Amp kit?
  99. Recommend a good plate choke for 5842 tube
  100. Recomendations for SE 6AQ5 Schematics?
  101. ST35 Phase Splitter
  102. german console pull recap Project - help needed
  103. 6B4G Monkey help
  104. These transformers can be used for EL84 SE?
  105. 300B...Ebay or DIY??
  106. Higher gain twin triode!
  107. ARC V70 bias
  108. 70v transformers explored.
  109. Are these caps stuffed ?
  110. Anyone recognizes this amp ?
  111. What is Simplest and Best 6550 PP What is Simplest and Best 6L6 PP circuit? (PK)
  112. My tube differential amplifier
  113. Helping a friend build a tube headphone amp.
  114. Tango XE-20S, tube option
  115. -follower with mosfet... how stable ?
  116. 5k or 2.5k for 6s45p
  117. minor hum problem
  118. Help to choose budget Tube Amp....
  119. Vao
  120. Help with tube-rolling 300b Ming-Da amp?
  121. EF184 pins 1 and 3
  122. aikido pre (5687 all in one) HUMM!!
  123. Question about tube datasheets
  124. EL84 "typical" amplifier
  125. Packing heat.
  126. Current rating for power transformer.
  127. Pentode Odd Behavior
  128. Lower Screen Voltage KT88, choke input + Cap input supply
  129. tannoy line trans
  130. Hi Gain Inverter for a PP amp
  131. Help looking for a project
  132. Dynaco MkIII bias flutter/stability...
  133. grid leak resistor?
  134. 16LS Stereo Tube Amplifier and how to connect to Baxandall Tube stereo tone control
  135. Fisher 800-C blown fuse
  136. testing 300B on Hickok 539B/C
  137. cathode bias imbalance
  138. DIY M60 OTL Power Amplifiers
  139. Invisible gain...Aikido content
  140. Vacuum Tube Spice Models
  141. Tamura interstages
  142. Jolida 502/302b power transformer.
  143. Anyone used high voltage MKP1848 caps
  144. Bogen mo-200
  145. Phono Circuit Noise Factor
  146. Input impedance of this headphone amplifier ?
  147. D3a preamp.
  148. Newbie needs advice about DIY project please!
  149. PSUD and Off load Voltage
  150. Help! AVO CT-160 Meltdown
  151. Groovewatt-Valve RIAA Phono Preamp?
  152. Mullard EL84 Reissue?
  153. Push Pull amp power supply question
  154. Aikido all in one 5687 tube pre / louder in right Channel
  155. AUDIO RESEARCH SP-6B TUBE AMPLIFIER
  156. Tube Amp
  157. Preamp Pentode Screen Voltage and Gain
  158. AUDIBLE iLLUSION m3A
  159. What "Class" amp is this?
  160. DC coupling
  161. DuKane 1A831
  162. Thump sound at turn off of a power amp
  163. DHT AC heating 120hz phase canceling
  164. REVOX Model 40 amp. Need some hand holding please.
  165. heater imbalance fixable?
  166. Headphone amp
  167. Speech Amp for Modulator
  168. 2.1 channel el84 amp help
  169. Identify PC board in little amp...
  170. dcpp vs sse vs spp? First build
  171. Spice model for GU50 (LT-Spice)
  172. Need schematic of Preamplifier AM 1065
  173. My Journey to build Tube power amplifier B300 SE
  174. Kondo M77
  175. tube datasheet gm
  176. xiang sheng best valves
  177. 6CN6/EL38 Replacement
  178. 4P55
  179. Possible or way to complicated?
  180. Jeff korneff SET 45
  181. Hickok 536 Calibration Procedure?
  182. P2p layout
  183. Heating tubes off mains voltage
  184. EL84 as preamp tube?
  185. Claus Byrith 4-30 PP with KT66
  186. biasing confusion
  187. Bogen HE-10 question
  188. Golden Tube Audio SE-100
  189. Nearing Conclusion of Line/Phono Project
  190. Bias Supply For Citation V?
  191. Tube Integrated Amp
  192. Help needed about a quad FM2 RF
  193. 21jv6 tube datasheet
  194. Interstage transformer theoretical phase change?
  195. Bootstrapping a high pass filter
  196. Help with hybrid Aikido amp! Suggestions please
  197. Need help with a Curcio Daniel 1
  198. Audio Tubes used in Industrial equipment?
  199. Hammond H1 Amp
  200. CCS assisted small signal UL pentode
  201. Vox AC50 output transformer rewind
  202. Dynaco ST35 B+
  203. Simple Tube Amp
  204. Portable tube amplifier
  205. Using the heater supply to get a DC source
  206. phono/aux switching problem
  207. What is the best EF86 in production at the moment
  208. 12AX7 / 12AT7 Mu Follower Phono
  209. Kreisler Stereo 6 speaker impedance
  210. A serviceable life.....
  211. TV 7 DU Tube info
  212. Twinings Tea Transformer Covers
  213. ECC88 with 12V heaters
  214. CXhange opa 627ap for an audio gd moon ?
  215. PP-EL34/6550/EL-PL504 or KT88 Bal. innput
  216. fatman itube mk1 sounds bad
  217. Chinese FD-71 tube is the russian GK-71 ?
  218. Leak stereo 20 diagnosis
  219. VTL
  220. Looking for tubed MC pre-pre
  221. Correct wiring types
  222. Couplates
  223. Op-Amp Like Line Preamp
  224. SE GU-50/6CB6 Pentode Design
  225. Pioneer SX34
  226. About metal film resistor in a tube tuner
  227. Looking for 52dBs or more MM phono
  228. Winter is coming... Time to start GM70 SE parafeed amp
  229. Doug Self: Wireless World Magazine Article Archive
  230. Relay short circuit
  231. EL34 PP oscillating
  232. Dynaco switchable diode/tube rec and driver tube mode
  233. CCS into a VR with Interstage question
  234. 6SN7-6V6x2 DC coupled 2 stage with stacked supplies
  235. Rectifier and DC filtering relationship question
  236. Class A2 6JD5 Curves
  237. Motorola HS-839 Amp problem
  238. Active valve monitors?
  239. Did I get this load calculation right?
  240. Convergent SL1 original schematic
  241. Bleed down resistor
  242. How do I calculate resistor value in this schematic?
  243. Easy question about tube data sheet
  244. Tube regulator question
  245. Tube amp build for an 1st timer.
  246. Full music 101d input tube/valve
  247. EZ80 Voltage Question
  248. What the heck is this? Bulb?
  249. Audio Note Kit 1 Upgrade
  250. Will this work? (EL34 PP)

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