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  1. Hammond Chassis?
  2. How about an IXCP10M90 as a FETRON
  3. PUSH PULL SE ???
  4. More load lines...
  5. 7193/2C22: wich brand's the best?
  6. Bumed out over this Setchell Carlson
  7. Looking for Electron flow diagram
  8. Why Only Automatic/Semi-Automatic Bias?
  9. Audio Note M-Zero preamp
  10. Load lines. What?
  11. Preamp - pop on channel change
  12. Just for interest.
  13. 813 push-pull output 250W tube amp
  14. What sort of resistors are fine to use in tube amps?
  15. How Not To Pack DHTs For Postal Shipment
  16. Help me ID this trafo and tubes..
  17. Full PSE Amp /only 6E5P/
  18. ATH90
  19. Corroded valve pins
  20. Power supply advice needed
  21. Big Capacitors in PSU
  22. 6CD6G Tube amp
  23. Removal of Cathode Follower in JE Labs Circuit
  24. Q: Cascaded Transformers, S&B102+LL7903
  25. Threshold dac 1e possible modd
  26. Need Help with PSVANE 6CA7-T
  27. Why kind of Vacuun tube is the Tung-Sol TS 930 ??
  28. Magnetic Ballast (Sylvania) MB2 x 40/120 RS
  29. Recommendations & Budget for DIY Tube Amp kit?
  30. Recommend a good plate choke for 5842 tube
  31. Recomendations for SE 6AQ5 Schematics?
  32. ST35 Phase Splitter
  33. german console pull recap Project - help needed
  34. 6B4G Monkey help
  35. These transformers can be used for EL84 SE?
  36. 300B...Ebay or DIY??
  37. Higher gain twin triode!
  38. ARC V70 bias
  39. 70v transformers explored.
  40. Are these caps stuffed ?
  41. Anyone recognizes this amp ?
  42. What is Simplest and Best 6550 PP What is Simplest and Best 6L6 PP circuit? (PK)
  43. My tube differential amplifier
  44. Helping a friend build a tube headphone amp.
  45. Tango XE-20S, tube option
  46. -follower with mosfet... how stable ?
  47. 5k or 2.5k for 6s45p
  48. minor hum problem
  49. Help to choose budget Tube Amp....
  50. Vao
  51. Help with tube-rolling 300b Ming-Da amp?
  52. EF184 pins 1 and 3
  53. aikido pre (5687 all in one) HUMM!!
  54. Question about tube datasheets
  55. EL84 "typical" amplifier
  56. Packing heat.
  57. Current rating for power transformer.
  58. Pentode Odd Behavior
  59. Lower Screen Voltage KT88, choke input + Cap input supply
  60. tannoy line trans
  61. Hi Gain Inverter for a PP amp
  62. Help looking for a project
  63. Dynaco MkIII bias flutter/stability...
  64. grid leak resistor?
  65. 16LS Stereo Tube Amplifier and how to connect to Baxandall Tube stereo tone control
  66. Fisher 800-C blown fuse
  67. testing 300B on Hickok 539B/C
  68. cathode bias imbalance
  69. DIY M60 OTL Power Amplifiers
  70. Invisible gain...Aikido content
  71. Vacuum Tube Spice Models
  72. Tamura interstages
  73. Jolida 502/302b power transformer.
  74. Anyone used high voltage MKP1848 caps
  75. Bogen mo-200
  76. Phono Circuit Noise Factor
  77. Input impedance of this headphone amplifier ?
  78. D3a preamp.
  79. Newbie needs advice about DIY project please!
  80. PSUD and Off load Voltage
  81. Help! AVO CT-160 Meltdown
  82. Groovewatt-Valve RIAA Phono Preamp?
  83. Mullard EL84 Reissue?
  84. Push Pull amp power supply question
  85. Aikido all in one 5687 tube pre / louder in right Channel
  86. AUDIO RESEARCH SP-6B TUBE AMPLIFIER
  87. Tube Amp
  88. Preamp Pentode Screen Voltage and Gain
  89. AUDIBLE iLLUSION m3A
  90. What "Class" amp is this?
  91. DC coupling
  92. DuKane 1A831
  93. Thump sound at turn off of a power amp
  94. DHT AC heating 120hz phase canceling
  95. REVOX Model 40 amp. Need some hand holding please.
  96. heater imbalance fixable?
  97. Headphone amp
  98. Speech Amp for Modulator
  99. 2.1 channel el84 amp help
  100. Identify PC board in little amp...
  101. dcpp vs sse vs spp? First build
  102. Spice model for GU50 (LT-Spice)
  103. Need schematic of Preamplifier AM 1065
  104. My Journey to build Tube power amplifier B300 SE
  105. Kondo M77
  106. tube datasheet gm
  107. xiang sheng best valves
  108. 6CN6/EL38 Replacement
  109. 4P55
  110. Possible or way to complicated?
  111. Jeff korneff SET 45
  112. Hickok 536 Calibration Procedure?
  113. P2p layout
  114. Heating tubes off mains voltage
  115. EL84 as preamp tube?
  116. Claus Byrith 4-30 PP with KT66
  117. biasing confusion
  118. Bogen HE-10 question
  119. Golden Tube Audio SE-100
  120. Nearing Conclusion of Line/Phono Project
  121. Bias Supply For Citation V?
  122. Tube Integrated Amp
  123. Help needed about a quad FM2 RF
  124. 21jv6 tube datasheet
  125. Interstage transformer theoretical phase change?
  126. Bootstrapping a high pass filter
  127. Help with hybrid Aikido amp! Suggestions please
  128. Need help with a Curcio Daniel 1
  129. Audio Tubes used in Industrial equipment?
  130. Hammond H1 Amp
  131. CCS assisted small signal UL pentode
  132. Vox AC50 output transformer rewind
  133. Dynaco ST35 B+
  134. Simple Tube Amp
  135. Portable tube amplifier
  136. Using the heater supply to get a DC source
  137. phono/aux switching problem
  138. What is the best EF86 in production at the moment
  139. 12AX7 / 12AT7 Mu Follower Phono
  140. Kreisler Stereo 6 speaker impedance
  141. A serviceable life.....
  142. TV 7 DU Tube info
  143. Twinings Tea Transformer Covers
  144. ECC88 with 12V heaters
  145. CXhange opa 627ap for an audio gd moon ?
  146. PP-EL34/6550/EL-PL504 or KT88 Bal. innput
  147. fatman itube mk1 sounds bad
  148. Chinese FD-71 tube is the russian GK-71 ?
  149. Leak stereo 20 diagnosis
  150. VTL
  151. Looking for tubed MC pre-pre
  152. Correct wiring types
  153. Couplates
  154. Op-Amp Like Line Preamp
  155. SE GU-50/6CB6 Pentode Design
  156. Pioneer SX34
  157. About metal film resistor in a tube tuner
  158. Looking for 52dBs or more MM phono
  159. Winter is coming... Time to start GM70 SE parafeed amp
  160. Doug Self: Wireless World Magazine Article Archive
  161. Relay short circuit
  162. EL34 PP oscillating
  163. Dynaco switchable diode/tube rec and driver tube mode
  164. CCS into a VR with Interstage question
  165. 6SN7-6V6x2 DC coupled 2 stage with stacked supplies
  166. Rectifier and DC filtering relationship question
  167. Class A2 6JD5 Curves
  168. Motorola HS-839 Amp problem
  169. Active valve monitors?
  170. Did I get this load calculation right?
  171. Convergent SL1 original schematic
  172. Bleed down resistor
  173. How do I calculate resistor value in this schematic?
  174. Easy question about tube data sheet
  175. Tube regulator question
  176. Tube amp build for an 1st timer.
  177. Full music 101d input tube/valve
  178. EZ80 Voltage Question
  179. What the heck is this? Bulb?
  180. Audio Note Kit 1 Upgrade
  181. Will this work? (EL34 PP)
  182. Anthem 1 intergrated amp
  183. Tubes and the sun?
  184. Two triodes cascaded cathode follower?
  185. HIRAGA PREAMP PHONO + line
  186. OB2WA Radioactive???
  187. 9 pin tube socket pcb boards with screw terminals
  188. Hai I need a little help on designing a power supply
  189. Tesla E83CC Frame Grid Tube Purchase - Legitimate Production or Fakes?
  190. Cleaning Up the Noise + Selector Switch Anomalie
  191. first tube preamp
  192. Rescuing a vessel : 1964 HICKOK 539C tube tester
  193. Dynaco Feedback
  194. Mundorf Silver Oil in hot 300B tube amplifier !!
  195. MULLARD 5-20 build with mods
  196. Choke loaded driver with small opt?
  197. Preamp Tube Bias and feedback
  198. Capacitor replacement option
  199. New EL84 SE Amp PCB: The u-SE
  200. Question about Amp Theory
  201. Help needed for modifying DAC-opamp-tube circuit
  202. best way to start with tube amps
  203. Damper diode between C1 and L1
  204. Question about 'near' zero volt bias for low level stages
  205. Filmosound 179 - Should I even bother?
  206. Newbie question
  207. I think I know how it works, but can I get some help? (OddWatt PP)
  208. kt150
  209. As anyone considered black oxide???
  210. OTL question
  211. Headphone amp/preamp project.
  212. Comments or suggestions on this schematic?
  213. Twin Conn Organ 7868 Rebuild
  214. Favorite PP 6550 schematic?
  215. DECWARE Z BOX SCHEMATIC
  216. 6V6
  217. Need suggestion for eliminating noise from aluminum cover
  218. Kuba Serenade Stereo Console question.
  219. Help with tube interchangeability
  220. 6sn7(12au7)-6v6-300b
  221. Westinghouse tube amp MODEL V2508, conversion
  222. Voltage on the chassis, bad xformer?
  223. TubeCad blues...
  224. OPT as PSU filter???
  225. Tube Plate Voltage Timing
  226. Transformer grounding
  227. Two questions concerning bleed resistors
  228. Choke ratings and resistor values in choke input supply?
  229. Novar Spud :: A $200 sweep tube Spud with PCB
  230. Mid 50s 250/500/1000W Valve amp needs some repairs......
  231. I want to learn tubes and set up a workstation
  232. Pre amp wire up__new
  233. allied knight / rauland borg schematic needed
  234. Rollable Tubes
  235. n00b - Leave out the LEDs??
  236. Aikido 5687 all in one kit
  237. 6P13S - WHAT TO DO WITH
  238. el84 set amp for 90db-8ohm speaker?
  239. My first cap coupled 2 stage
  240. Dodd Buffer Tube Rolling?
  241. Lowest THD Tube Design Possible? (Need for a class, I realize it doesn't matter)
  242. Olson-Morgan 6F6 Amplifier Info's needed.
  243. Newbie, Help with datasheet
  244. Conrad Johnson MV55 again - and Hi from a newb
  245. Interesting one piece EL34 PP tube amp diy pcb on ebay
  246. Low power stereo (dual mono) tube headphone amp
  247. 6EJ7's vs. 6JC6A
  248. EL34s Frying in my Cayin A50-T
  249. Grid Leak Amplifier with Unexpected Heater Resistor
  250. 7617 tube data

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