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  1. Walkthrough: Pioneer SM-83 Tube Amp Restoration
  2. First Amp Build....!
  3. Will This work?
  4. Simple SE hookup wiring
  5. building a lit up tube display
  6. Push-Pull 6CL5's
  7. 2A3 power adjustments by channel
  8. Dead 12ax7 gain stage - Help...
  9. Best 300B amp schematics
  10. Stuck on Standby
  11. Newbee wants to learn about tube amps, etc...
  12. Recent Ad on Craig's List
  13. Pitfalls to warmup delay in DC coupled multiple railed amps?
  14. jan 6832 sub miniature tube
  15. Anti-Triode SEPP, how to do best?
  16. Some Help with Feedback Please!
  17. Cary 300SEI, likely capacitor failure
  18. Ballast Tube Current Source
  19. Ray Lumley m100 schematic needed
  20. Feedback question
  21. CMRR from parallel heaters?
  22. bevois valley clone from eico hf-12 iron..
  23. 27/37/56/76 plate dissipation
  24. Bell 2420 Amplifier Schematic Needed...
  25. How It Works Video
  26. Quad II build for guitar
  27. Have I got this right?
  28. any simple circuits I can add to a dac?
  29. neg feed back into v/slope stereo 2 pre-amp
  30. Using 12AX7 as input with feedback
  31. My first power supply
  32. Unknown tube similar to px4
  33. Anyone know of some ridiculously powerful triodes for class A useage?
  34. Bias Voltage
  35. Looking for tubes in Germany
  36. Substituting GU50 tubes for KT88
  37. Parts mined from an AKAI 1800L, what to do?
  38. Has anyone built this amp??????
  39. Another TubeLab SimpleSE Build
  40. Output transformers bandwidth/frequency range
  41. 6g6 preamp B+ at 400+????
  42. Which power supply would you use?
  43. Mullard Articles
  44. SimpleSE - motor run cap specs
  45. Can I reverse leads on an OT?
  46. 9 pin version of a 6SJ7?
  47. 6550 stock ?
  48. Fisher Tube Tuner Restoration Walkthrough
  49. Futterman H-3
  50. simple 6080/6as7 ppp/circlotron project
  51. My unbalanced preamp problem
  52. Gu50
  53. Any Simple CX310 SE schematics around?
  54. Peavey "Super Festival" VTA-400 - upgrading to 400W?
  55. Two EI Power Transformers Orientation?
  56. Question on Hybrid Bridge using 5AR4
  57. Recommend a project for a n00b
  58. Help! el34 8pin to 7pin conversion
  59. Converting Yarland FV-34AIII to Triode and Zero NF
  60. 5U4GB PS question
  61. 6X8 Pentode/Triode Musings
  62. DDD mfg co High Voltage power supply?
  63. Mistake on OPT connections : have I damaged something ?
  64. Looking for Jim Morrison Siren Song preamp schematic
  65. cap question....
  66. Ming Da MC368-B90
  67. single tube to drive 300ohm headphones
  68. Negative Feedback?
  69. Capacitor voltage ratings
  70. Possible to convert an oscilloscope into a tube amp?
  71. "Junkbox" 2A5 SE
  72. Power supply testing
  73. Tubeamp power supply - LC question
  74. tube amp coupling cap - audiospace
  75. Radford pentode-triode LTP splitter
  76. Tube bias testers, your opinions, please.
  77. Just saw this and thought I'd pass it along. . .
  78. 6KG6-EL509-EL519 Schematics wanted
  79. Difference between SE output transformer and push-pull output transformers
  80. Sourcing OPTs in Australia
  81. Is there a LOCTAL equiv to a 6V6?
  82. 10m45s LTspice model
  83. What circuit and tube to be used
  84. experimental 6L6G / 6BG6G amp design brainstorm
  85. 29GK6 heater current?
  86. Bench PS: stacking DC supplies
  87. Mr Liung schematics
  88. Want to build tube amp
  89. Runaway bias on Hot Rod Deville
  90. Back to back transformers.
  91. Using Battery for 300v B+ ?
  92. Anyone recognice this RIAA?
  93. Power cord replacement
  94. Negative LTP CCS supply
  95. c-j pre amp blowing tubes?
  96. first amp build
  97. Tube Mic Preamp - which Edcor transformer?
  98. Scaling the SLCF for other voltage - help
  99. Question about Allied & Hammond Power Transformer Ratings
  100. Education
  101. Tubelab SE with a 6BX7 to drive 845s
  102. Bias Ground
  103. Suggestions for RIAA preamp?
  104. External Test Points
  105. b2spice model request
  106. 12aY 7 preamp out
  107. 3B7 Loctal DHT
  108. Aikido All in One line stage amp PCB
  109. SS power supply.
  110. 6AU6 pentodes
  111. Parafeed with NP electrolytic?
  112. Charlie K - RIP
  113. Need some advise with a hum problem
  114. What resistor should I use?
  115. IN18 nixies
  116. Tubelab SE build and power supply questions.
  117. Quality of S5's K-12G in proposed system
  118. Gibson EH 150 restoration
  119. Transformer volume control questions.
  120. Power transformer star ground
  121. Shielding and chassis
  122. Side project - d3a and 6c41c
  123. Cathode-heater leakage
  124. Bell 2122 volume drop off
  125. -500V Maida regulator inquiry
  126. 7591 is glowing RED
  127. Hum problem
  128. Need PS schematic for Musical Machine
  129. Polystyrene capacitor as coupling in output tube stages
  130. Help needed with 10M45S integration .
  131. Ultrasonic Cleaning??????
  132. The daunting world of tubes (where to start)
  133. help 124.3 vac
  134. Bat VK3i buzzing noise
  135. Audioromy FU13 (813) diagram and mods
  136. any complete schematic for 6ak5?
  137. Weird fuzz from Aikido Pre, HELP!
  138. Question about tube amplifier.
  139. 811a rating question
  140. Anode chokes DIY?
  141. EI laminations in Europe
  142. Needed: transformer core materials cobalt nickel
  143. Anybody from Italy - please help
  144. Bogen AP35 amp problem
  145. Question about a VR screen supply
  146. DIY Amp Contest in Japan
  147. Hot 5AR4/GZ34 arcing on powerup surge?
  148. Rh84 Ptx
  149. Buzz. Grounding-related?
  150. 50/60Hz Hum - Your Expert Opinion Please
  151. Static Gm test
  152. High Voltage negative regulators
  153. where do i find old tube car radio schematics?
  154. Burned Up Transformer in HiFi 6p3p Tube Amplifier
  155. capacitors
  156. Wire Types
  157. Weird EH12AY7 Problem
  158. Pot and knob compatability
  159. ECC8100 and ECC2000
  160. DHT experts, i need your help
  161. transformers
  162. Vetruvio class-A
  163. PP to balanced input
  164. KT88 AB2 Experiences
  165. Group buy pulse check for Pete Millett tube crossover PCB
  166. Calculating operating point of a DHT
  167. upgrades, mods to JADIS JA-200, JPS2 and JPS3
  168. McIntosh MC-3500 Schematic Information
  169. Use 2X SE output transformers fo 1x PP
  170. 12B4a spice model.
  171. Help identifying a capacitor
  172. recommended a tube amp for Celestron Studio Ditton 66's
  173. Help needed with bias circuit
  174. 220 Mega Ohm Resistor - Really
  175. How to bias DH dual triodes?
  176. Any of these tubes good for audio applications?
  177. DIY AN M7 need help !!!
  178. Need schematic for Bell 2420 amp
  179. new SimpleSE build
  180. My Citation II Rebuild
  181. KT88 cathode resistors?
  182. Dynaco ST35 boards
  183. Triode strapping a 6V6 (or any tetrode/pentode, really)
  184. ECC 83 + ELL 80 maybe?
  185. need amp suggestions please.
  186. Phase splitter which tube?
  187. WANTED: 12B4A tubes
  188. re-stacking an output transformer
  189. A directly heated triode or Pentode SE amp on a Budget
  190. Annoying high frequency ringing from my 832 tube amp
  191. 30 Amp Knobs
  192. A question about audio interconnects for the ones here with such knowledge.
  193. Hi-end GM70 amplifier with only 2 stages
  194. Paragon
  195. Simple SE with CCS and fixed bias
  196. Idea(s) for simple HV regulated psu
  197. NOS Philips "miniwatt/dario" tubes
  198. Hybrid Class D with 6n6p tubes
  199. Any ideas how to estimate VA or mA of Power Tranny
  200. 6L6 Grid resistors??
  201. HeathKit W-2: Missing Tube
  202. Edcor CXSE25-8-5K Dimensions
  203. Bias Pots
  204. Negative Feedback
  205. scott 299D output transformers?
  206. chocke anode load, please explain me..
  207. Integrated HiEnd Amp
  208. Looking for advice/tips regarding simple SE amplifer
  209. Tube amps from vintage RTR's?
  210. componet upgrade
  211. What is "AA" ?
  212. question about twin triode tubes
  213. Building a preamp - somewhat new to tubes
  214. need some guidance about tube amplifiers
  215. Blackgate FK 10000 uF ??
  216. PT failure dangers
  217. Outer foil k40y-9
  218. sansui 1000a maintenance
  219. filter cap question
  220. add UL tap for 125ese
  221. Bogen D070 Amp - HELP w/ INFO.
  222. Humming asl 2004dt wave pre amp
  223. Cany anyone supply any info. about this amplifier?
  224. Low voltage 845SE with 300B driver
  225. Cabinet Help!!!!
  226. dc heater supply help
  227. gu-29 tube
  228. LTP question
  229. Over 500V rated electrolytics?
  230. Fireplug? (inline fuse)
  231. Help! Flash-over on my amp :-(
  232. 6550 drive question
  233. 4211D Amp?
  234. Please, reccomand me about 7233 GE NOS
  235. Help! Schematic Conrad Johnson Premier 3
  236. Tubelab SE in parallel?
  237. Just an Idea?
  238. Tried this out, but needs more gain. . .
  239. EL34 Power Stage
  240. Daven Question
  241. How many rectifiers can have mesh plates?
  242. Real Quick Question!!
  243. Wattage of vintage resistors ?
  244. What is the signal path -- the red line?
  245. Hi-end definitive vacuum tube phono pre
  246. Resistors for Stepped Attenuator
  247. dual rectifier clone....
  248. Motorola Console Salvage
  249. single endedtransformer coupled 6sn7 mic preamp
  250. Brett's 12B4 schematic?

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