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  1. wax poured out!
  2. Yet another do-nothing tOOb hack.
  3. What is a CCS - how do you design one?
  4. Strange Aikido problem when home power fluctuates
  5. Need to regulate 450v --> 300v
  6. new to the forum and looking for el86 info
  7. Why not invert the Tubelab SE board?
  8. Steve Bench Crossover Questions
  9. Audio Note M7 - 7F7 CCS
  10. Anyone have schema for katodcoupled 6C33 P-P?
  11. Ltspice and Valve models
  12. VTV Push-Pull 6SN7/KT88 Amp: DIY or China?
  13. How to identify type of bias used for my tube amp
  14. VR Tube Question
  15. Ampmaker Kits
  16. P-P with some muscle
  17. buzz w/ nothing plugged into inputs. Goes away once jacked in.
  18. CV6 / CV1135 / E1148 / VT232 VHF oscillator triode data
  19. HELP HELP HELP mesa rectifier
  20. simple se with source selector
  21. Measuring tube/component temperature
  22. Parallel Single Ended Amplifier Design using Acro TO-290s?
  23. Elevate heater trouble
  24. Adjusting the sensitivity on a 6e2 magic eye tube
  25. tube amp for automobile / need ideas
  26. 6550A HF Amp
  27. problem - scratchy sound, rythmical
  28. eico st70 irons!what to do?
  29. How Lampizator CD tube player sound?
  30. Maestro soya amplificador
  31. Can I use my tube amp as a preamp ?
  32. Simple SE with 6BG6GA - magic smoke escapes...
  33. Shunt Cascode Power Valve Driver
  34. Did Siemens ever publish data for their own D3A ?
  35. Motor run caps as power supply filter
  36. Measure unknown choke?
  37. 6528a....HELP ME PLEASE...PLEASE..
  38. Are any of these tubes useful to me?
  39. Heaters The Key Too Sweet Tube Tone.
  40. PP Output Transformer design
  41. "Kingfisher" P-P Amp using 7591A Outputs and Fisher 500B Iron
  42. 832 ultra-linear push pull?
  43. 3A5 thoughts
  44. ECC86 vs. ECC88
  45. RH84 builder!
  46. 10GV8 Bias point for the K-12G
  47. EL34 amp blowing up, anode glowing red hot
  48. Steve Bench's LR Phono Stage - Cathode Bias Circuit Question
  49. Tubelab SE w/Parafeed
  50. Chinese 805 SET monoblock
  51. Vreg or Ireg for Phono heaters
  52. Traynor YMV-1 Voicemaster to Guitar conversion
  53. Pentode preamp tube hum balance
  54. New (old) Friends
  55. How to avoid oscillation and get max BW out of crappy OPT
  56. Power Measurements at normal listening levels
  57. Best way to terminate unused OPT winding?
  58. patent on single-ended amplifier, anno 2008
  59. Headphones amplifier with highish gnfb
  60. Bias meter for AQ1008DT
  61. Change Tubes
  62. PLC84 amp
  63. Color Coding for Fisher 500B Iron
  64. Tubelab SE with 45 tubes only
  65. 6L6GC, ECC33, EF37 Amp.. Just cant get it right
  66. 10dB increase in volume needs what gain?
  67. El Cheapo feedback loop adjustment
  68. KT88 blocks? With E80CC + 6922 driver?
  69. 200+/- USA Tubes Plus "Weston Model 891" Tube Checker
  70. Violator Amp
  71. What to do with 3500uF 650V caps???
  72. SS Rectification
  73. Passive filter at tube amp input
  74. Found this Trio WX-400
  75. PSUD & The JE Labs 2A3
  76. 815
  77. x1 Oscilloscope probes
  78. Iron LTP Schade-PP
  79. Single Ended Pentode Spud and Feedback
  80. Yes, I've searched. Can I use a PP OPT in a SE amp ?
  81. DC on toroid PT windings
  82. Audible benefits of larger coupling caps than required?
  83. Any benefits of regulated current heater supply?
  84. Power Transformer Kaput ???
  85. aikido phono schematic qustion
  86. Easy question for experienced tubies
  87. valves dont sound so good when pink....
  88. Aikido Resistor Help
  89. Mobile Phone Interference
  90. Thank you DIY Audio
  91. Fisher 80-R Can't Find a Schematic
  92. SRPP layout
  93. Rogers E40a Amplifier Schematic
  94. Encapsulating OPTs
  95. Does anyone have 6BQ6 (sweep tube) triode plate curves to share?
  96. JAN6418 and microphony
  97. can the 6n9s take 300v? (ru 6sl7)
  98. Output impedance of various MOSFET followers at low (<10mA) currents
  99. Big Box O' Tubes
  100. 6j7g 832a amp
  101. Quick Question on Dc coupling
  102. PP question - best driver stage!
  103. SRPP+, or did JRB "borrow" from here?
  104. 5651(A) 85Kr
  105. Ampex 6v6 PP.. worth saving?
  106. The DeForest 504 tube
  107. Sven 6P1P PP Amp
  108. Black 6V6GT - originals
  109. tube phasing for more power?
  110. measuring output transformer inductance?
  111. Question re paralleling common-cathode tube sections
  112. There's so much bait for dumb fishies out there!
  113. Biasing G3 in beamies
  114. 6DJ8 vs 6N1P (6H1N)
  115. Test equipment collection
  116. Rca mi-9358a
  117. FISHER - 500b Caps Leave Them In ???
  118. tek 454
  119. RCA Calypso
  120. New to Valve Amps and Confused???
  121. Anyone used the TL783 as a CCS
  122. Katelelo
  123. EFE-1 (PP EL-34) by Miolljub Mile Nestorovic
  124. Ping netlist - ECC88 spice models
  125. Please help analyse 807 PPP
  126. DIY Tube Pre with remote
  127. P-P Katodfollower with 6c33c
  128. valve sub
  129. Help on outboard PSU for tube amp
  130. Looking for ARC LS8MKII circuit?
  131. Entire Assembly Glowing in 20 Seconds
  132. 6X5GT PS Problem
  133. Sad News About Blackburn / Tech Tube
  134. Loose top caps.
  135. rh807 choke question?
  136. 6021 Cascode
  137. 6U7-G as driver in a RH 807?
  138. Possible Ebay bargain
  139. Possible Ebay bargin
  140. 845 tube question
  141. Broken VCM163
  142. my ongoing amp project since 2004 or so, ver. 13.29.b1.xx.n
  143. Datasheet wanted
  144. SE 833A Help
  145. PS ripple vs output impedance for PP AB1
  146. Simple SE with 807?
  147. Dynaco Bias Balance kit
  148. EL42 Tube
  149. 6GV8 at lowish voltage
  150. 703A tube source?
  151. Music Angel EL34 PP + 6N2 schematics ( MINIL3 )
  152. "Back To Back" transformers
  153. Dual HF small signal pentodes ?
  154. pre amp output delay circuit?
  155. Standby voltages for tube circuits.
  156. SE Output transformers
  157. Advice on connector type for outboard PS
  158. Decent Junk Pile find! Need Advice suggestions etc.!
  159. Red Plate,Tube runaway, glowing screen grids
  160. Dogfish
  161. Anyone ever bought this Ebay Head amp?
  162. Rogers Cadet III (Mk3) - which input to use?
  163. Recycling a TT plinth as a tube amp chassis?
  164. motor run caps
  165. RH-84 Hum
  166. Regulator LD1085V Question
  167. Chasing Hum...
  168. What do you know about the 23D4?
  169. Vacuum State RTP3C
  170. Another Tubelad SE build
  171. Noisy DC filament power supply problem on an Aikido
  172. Aikido Phono Stage with Step-up Transformers
  173. 6-volt rectifier tube
  174. Replacing output transformer questions
  175. Hey SY, were you aware of this?
  176. Where is the best place to sell a pair of OTs?
  177. EL84 tube regulator
  178. Testing 6H2P on 600a
  179. Grid stoppers, clamping, blocking and crossover distortion.
  180. Fender 125A20B output transformers?
  181. Genrad 1630AV
  182. Gary Pimms "self bias ccs" - guide for dummies
  183. Using a PC as source? + "garage sale"
  184. loktal version of 6bl7
  185. RCA SE 6bq5 amp gain problems
  186. 12V AC to 6.3v DC simple supply for idiots
  187. PPAB with plate feedback, current-mirror driver
  188. LM317 oscillating in cathode circuit
  189. Tubelab SE amp question
  190. Help with RIAA stage schematics
  191. 829B/3E29 "Triode" Push Pull Paralleled Sections
  192. Phantom Bidders on eBay
  193. Complicated psuedo-scope question
  194. Help me choose between two designs
  195. Miller Capacitance AGAIN!
  196. Channel switching / Relay / board
  197. Tossie's valve world site
  198. What is the purpose of resistive load at line output trans?
  199. 8608 pentode
  200. #26 pre amp
  201. my third RH84
  202. Miller Capacitance of triode strapped pentode
  203. 50 set amp
  204. Valuable Valves
  205. Allowable screen voltages in triode-connected pentodes
  206. grounding cable
  207. SS Driver and splitter stages used for PP tube output???
  208. Resistance coupled cascaded amplifier
  209. 6SL7 alternatives?
  210. Dynaco st70 vs Heathkit W5M
  211. Ceasar II - HighEnd Tube Mono Block Project
  212. Cool amp
  213. output tube blocking distortion problem
  214. HP 8903 software posted
  215. Rectifier for 900v DC
  216. How good are these?
  217. Brimar 6V6G different operating parameters to later GT?
  218. RCA RK290 console question
  219. pls help me, Buil my first AMP with 6H5C (=6AS7) tube.
  220. Simple 6V6 Push Pull Schematic
  221. remote help for RCA RK-290 console
  222. Suggestion for a 2x15 or 2x20 amp?
  223. Spud, Schade, PP, Anti-triode ECL86
  224. Posted new P-P power amp design
  225. Steve Bench LR Phono Amp. with (Sowter or Dave irons)
  226. Vintage RCA amps
  227. 6.3V/5A DC Fillament Schematic
  228. Can I use this output transformers with a 5965?
  229. Measuring Tube Gm
  230. Can I use this output transformers with a 5695?
  231. How to design a direct coupled SE amplifier?
  232. Ordered TechTube Valves today
  233. Should I buy and part out an old Hammond tube organ?
  234. 6N6P Unbalanced Sound?
  235. DC filaments for 6550s
  236. Obliterate, delete Vibrato or Reverb circuit in blackface-like amps
  237. My Copland CTA401 hums , help needed please
  238. Triode connected Pentodes in a cathode bias?
  239. Transformer as a voltage gain element
  240. Russian 6p31s tubes
  241. Ixcp 10m45s
  242. rectifier limiting resistors capacitor input
  243. arc V70 blue flash in KT90 tubes
  244. Choke?
  245. EL34 PP motorboating questions
  246. GU29 damaged
  247. PSUD2 questions
  248. Help lundahl-300bxls problem
  249. Srrp output question
  250. je lab 300b

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