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  1. Transformer chassis layout
  2. SimpleSE / Edcor CXSE OPT
  3. Star ground help
  4. What causes my 0D3 to extinguish?
  5. converting UL in triode
  6. Beyer Dynamic BV35570
  7. Lundahl LL1527 phase-splitter
  8. Morgan Jones HPA ...strange startup behaviour
  9. Best Sounding Phono Input Tube
  10. We417+300b
  11. class-A PP amplifier with 2x 845 question
  12. Kismet-300B-amp
  13. Will differential share the same THD characteristics as SE, if same triode is used?
  14. The biggest bunch of tubes ever seen
  15. DHT AC Filament Noise
  16. augmented cathode follower?
  17. Tube amp find in old theater
  18. Is there a better amp kit????
  19. figuring amplification factor of a tube
  20. SE 6l6
  21. Need help
  22. Dynaco (Dynaclone) PA060 transformer
  23. Switching power supply for tube filaments possible???
  24. Mysterious UTC X-2806 / RCA 949426-2 Transformer
  25. DN2540/2535 fun and games
  26. 6P3S SE amp requesting
  27. Newbie needs Magnavox console troubleshooting tips
  28. 6bBYGA x2 as full-wave rectifier?
  29. Digital volume/tone control in Tube amps
  30. plotting load-line for OTL amp?
  31. New SE 6P15P project
  32. New Production Shuguang Type 50 Tubes
  33. Running different tubes
  34. Fairchild 260 rebuild questions
  35. Filament Voltage vs. Hum
  36. drawing a loadline from schematics
  37. Know this tube? 10J12C or 10X12C ...
  38. Precision Fidelity - C7 Mods...help Wanted!
  39. stupid newbie: what is this transformer???
  40. Anyone else having problems with Mercury Magnetics transformers?
  41. EF86-EL84: too much gain!
  42. Balanced Power
  43. GTA 300B SE Mk.II Power Transformer
  44. Tube Shields
  45. Some basic questions about s-5 amp kit mods
  46. Novice Voltage Regulator Question
  47. The Critical Ear
  48. Tube matching service - As found on Craigslist
  49. 6j1 question
  50. Duosonic 40's era record player
  51. 6bl8 el84 nfb question
  52. 6T9 push pull
  53. 12AY7 circuit?
  54. E810F: RIAA circuits
  55. need EL519/6KG6 spice 3f4 model
  56. enough gain for James tone stack
  57. Anyone recognise this amp?
  58. Retubing my amp (EL84, ECC81, ECC83) - Tube recommendations?
  59. matched tubes?
  60. List of current production types
  61. Soundcard greater than 24-bit
  62. Replacing Valves Leak Stereo 20
  63. Help designing Class-A, tube, transformer coupled, studio grade pre-amp
  64. I Damaged my Amp?
  65. EL84 Triode PP Design
  66. pentode with grid AND cathode tied to gnd?
  67. What d'you put in the PSU chassis, and what in the circuit chassis?
  68. a real no-brainer question about 1/2 tubes
  69. 813 power supply question
  70. ESR of motor-run caps?
  71. OPT-102 - data? (Audio Electronic Supply)
  72. Help me out with a circuit design
  73. Partial Feedback EL84PP - Not quite as expected (yet)
  74. Preamp suggestions - Help a hack have some fun
  75. 6GK6 Ultralinear
  76. Vacuum Rectifier Question
  77. LM4702 meets up with 6550's
  78. 6bx7gt envelope temperature
  79. Counterpoint SA 3 schematic
  80. Tubes measured in microhms = mA..?
  81. Checking ARC SP9
  82. 6J11 Datasheet anyone?
  83. Help cleaning tube pins
  84. Best way to use a PAIR of 6SL7ís to drive a 300B?
  85. preamp cathode bypass cap benefits
  86. EF184 or (EC)L82 radio amplifier?!
  87. 5687 for Aikido
  88. Pre Amplifier Out Sockets
  89. Recommended output valves for this transformer
  90. power tubes and learning SET design
  91. Phono pre-amp Question
  92. TVA-1 cathode resistor value
  93. need power tranformer ideas
  94. Cary Cad-300b Se
  95. newbie question about 7591 cathode bias
  96. 5814 Raytheon Windmill Getter late 50's
  97. Fundamentals of tube amp design
  98. 7868 amp sounds good but low volume
  99. How does class AB2 sound?
  100. 6sn7 brand
  101. Might speaker filters be in the wrong place?
  102. Problem: attenuation after cathodyne and CF
  103. LED bias and differential pairs
  104. Kimmel Mu stage summary sheet
  105. Tube buffer for car audio
  106. Practical PSE thinking.
  107. I need help on a Simple guitar/vocal pre amp.
  108. Kr300bxls
  109. Biggest noval dual triode?
  110. 2 amps with 1 set of speakers?
  111. tubeamp kits
  112. Tripletone amplifier
  113. Tube curves tracer
  114. Help with Shunt Regulation and Noise
  115. Plug 'N' Play B+ time delay
  116. Hot Rod "Bronco" project/TRANSFORMERS
  117. Precision PA conversion help needed
  118. Caps in Voltage divider Heater Bias ?
  119. Looking for Melos triode 200+ schematics
  120. ETF07 brief summary
  121. No response from Vacuumtubes.net
  122. dynakit pam selenium rectifier replacement help
  123. Adjustable Fixed Grid Bias
  124. Best output transformer for 300B
  125. Transconductance of E88CC,6922,6N23P
  126. Finding The Root Of The Problem
  127. Beard P35
  128. purple tube heaters...
  129. Which 12AU7 and 6V6GTs?
  130. 6f2 - 6n1???
  131. Help with Schematic
  132. Class A Push Pull with 6L6GC
  133. EL84 driver tube, with less than 5mA current
  134. Sleeping Sickness
  135. 50L6-GT or 6W6-GT
  136. Help ID this transformer
  137. Tube dropping - Help?
  138. For anyone running a K-502 with a FR driver
  139. Active crossover
  140. General guidence building guitar amp
  141. Pounds, Shillings and Pence
  142. Trying to learn something, against my better judgment
  143. Battery grid bias to fixed bias in Toccato?
  144. PLS take a look!
  145. Use for 5K:8 PP OPT?
  146. Low amp Impedance input and high dac output
  147. The Magic of a Name
  148. which edition of Morgan Jones' books?
  149. altec 1530 schematic
  150. Can this wire be used inside tube amp, H07V-K 1.5mm2?
  151. 6HB6/6HA& Spud?
  152. schematic diagram golden tube se40 for repair! help
  153. Reliable B+ PSU for pro preamp
  154. Help me find some info please
  155. Some tube radios
  156. Electro Harmonix 300b...shorting problems?
  157. Aikido linestage tube choice? (again)
  158. Teeco 1220??
  159. magic smoke pilot aa903
  160. PP bias balance pot
  161. Jolida JD 502A
  162. Cathode Bias for SimpleSE
  163. TRemPre malfunctioning
  164. HV benchtop power supply, help on opamp setup
  165. Transcendar Output Transformers ST70
  166. Unofficial Tube Market Survey
  167. testing 6DJ8s
  168. 6L6 AB PPP stage; does it make sense?
  169. 7868 tubes - replace with 6L6's?
  170. Vintage Amp...too much gain on CD
  171. ETF07 - Last possibility to join
  172. Tube 7403
  173. New SET: JE labs simple 45 or tubelab SE?
  174. Melos triode and computer as source: BUZZ BUZZ BUZZ
  175. 6SN7 Cascoded CCS
  176. 7591 se tube amp?
  177. Sovtek 5881WXT/Quad II
  178. Adding more capacitors to an AMP
  179. Tube Characteristics
  180. Tube guilt
  181. KT88 or 6550
  182. Single ended OTL Transcendent
  183. K-12 kit, buzz in R channel
  184. Hickok 752A repair
  185. my new tube line stage
  186. Audio Innovations Series 200 Phono Stage
  187. is it correct to calculate OTL?
  188. Late Halloween Cartoon
  189. on/off/on switch for bright/bold?
  190. Another CCS for tubes/valves: PCBs
  191. Customdaveus
  192. newbie questions on Bogen M330A repair
  193. crackling sound from one channel
  194. Cosmos Valve amplifier
  195. The Vacuum Tube Truth
  196. Inverted Triode SE OTL
  197. Negative feedback problems on ECL82 SE amp.
  198. Cheap tester?
  199. Anyone familiar with Hyuger HK-300BS kit from Hino Audio?
  200. Fisher SA 1000
  201. Hot Hot Hot
  202. Dynaco PAS-4 manual
  203. amplifier pp with 6p3s
  204. rusty chassis - what to do?
  205. Use 9 pin Aikido PCB kit or buy 8 pin ?
  206. Where to find data sheets?
  207. how to reverse signal for Common Cathode circuit
  208. Audio note M2 power supply resistor value
  209. Are 6DZ7 to Rare to be fun?
  210. 7868 substitutes
  211. Millet Hybrid - stacked buffers
  212. Repairing an old tube raido
  213. 3 way ultimate DIY phonostage match!
  214. wanted sv572-3
  215. General Aikido power supply question
  216. question about beefing up my monoblocks
  217. multichannel tube amp
  218. Who can explain this FFT graph to me
  219. Equivalent Noise Resistance
  220. Any Tube heads near Central coast NSW
  221. Question
  222. Screen Supply For PP Amp
  223. Datasheets: RC coupled amp VS. typical characteristics
  224. How to calculate Tube Preamp output impedance?
  225. What vintage tube books do you own?
  226. re design of a SE tube amplifier
  227. NRI 70 tube chart
  228. Multimeter
  229. fizzy and unstable
  230. Russian spud amp
  231. Silly Question about 807
  232. Help with dared MP-15, please!
  233. tube tester B&k 606 Transformer brun need help
  234. Do tube curves tell most of the story?
  235. Sovtek 6B4-G
  236. Ultimate Amplifier
  237. How quiet is dead quiet?
  238. Max B+ for triode-connected KT88
  239. Acrosound Archive
  240. Hail to Vintage Power Transformer & Choke?
  241. 2a3 parafeed
  242. Kimmel mu stage
  243. 4043c
  244. Impedance quandary
  245. 6L6G Amp recommendations
  246. Beefing up the power supply
  247. System distortion and Single Ended Tube Amps
  248. TB3/1000 is alive ! ("European 833A")
  249. Another tube newb
  250. Decoding another recycled power trans

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