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  1. Just tested the new E183CC
  2. Chassis mounting tubes off my PCB
  3. Tubelab SE with 2A3 Hum
  4. I need some help with the OPTs on a set of old 6V6GT monoblocks
  5. modified Headwise WCF headpone design
  6. 6em7 ,difference from brand ?
  7. Wavebourn Tower thread
  8. Sealed Lead Acid Batteries
  9. New ebay record!
  10. New ebay record!
  11. NFB, how to implement here?
  12. Recommended Mouser Electronics
  13. Utter novice looking for answers to easy questions:
  14. Hum Troubleshooting on My Tubelab SE with 2A3
  15. Trying to understand Power Supplies - The first Cap in a CRCRC
  16. 5687=e182cc???
  17. Series wire Antek Secondaries
  18. 300bxls vs mosfet :)
  19. 6N4P info
  20. Its alive!!! Aikido 5687
  21. Looking for advice,EL84 based Mono amp conversion/ restoration
  22. Looking for ideas
  23. Looking for curves for obscure tube
  24. tube life, soft start, cathode bias
  25. Triad N-68X Tranny for ^SN7 Aikido?
  26. RH84 with simple 5687 front end?
  27. Rickenbacker old amplifiers (b16 series)
  28. Aikido grounding scheme
  29. measuring voltages and currents simple se
  30. Beginner's luck -- Tubelab Simple SE on first try!
  31. 6CH6 find
  32. Shielded cables - success
  33. Heater-Cathode Voltage
  34. Battery powered tube preamps/effects (guitar)
  35. deliberately unmatching output tubes
  36. triode heater ground question
  37. 6sn7 alternative
  38. A tube amp that will drive 2 ohms or less...
  39. Looking for a simple circuit
  40. Why does my tube amp make a scratchy, popping sound?
  41. Fisher kx-100 Recitfire problem
  42. Potentiometers - USA
  43. Tube SE amplifier with 6P3S (russian tube)
  44. Plate dissipation
  45. Need help with tube models in LTSpice
  46. D3a pentode as driver? History of this tube?
  47. Tubelab SSE inrush current limiters.
  48. looking for some ideas. rebuilding heathkit w-3m amps.
  49. What's wrong with the 12AV7? Try this out!
  50. simple se and edcor gxse output transf question
  51. old tubes
  52. weird ef86 input stage in a Philips amp
  53. table radio w/ tube amp...in the designing process...anyone do this?
  54. Question: grid current related
  55. RH84 based amp
  56. My Aikido!!
  57. Tubelab Simple SE - Transformer Assistance
  58. ST70 clones
  59. Need help selecting a VR tube
  60. Help analysing Hammond organ circuit
  61. Stromberg-Carlson ASR-433
  62. WAHAHA! Our DIY tube amp is doneŁĄŁĄ
  63. Pentodes.
  64. making octal adapters
  65. How to cut ceramic
  66. Tubelab web site down for a day
  67. Trans wires in parallel or series?
  68. Tube socket for ECC88, drawing
  69. Richardson 5ar4
  70. Percy Audio / Still open? / Can't seem to get any response from them
  71. Resistor types in an amplifier
  72. simple se inrush limiter placement
  73. CRC Filter ?
  74. EICO 666 tube tester - What settings do you use?
  75. PCB edge connectors... what will they do to my sound?
  76. Tranny question
  77. Anyone here in contact with Pieter from Tribute?
  78. Fisher 500C with JJ 7591S - Optimum Bias Current?
  79. Power supply resistors power ratings
  80. Anyone tried this SE trafos?
  81. Adjustable B+ and Cathode Current linestage
  82. Possibility of Tube substitution trough MOSFETs
  83. G2 overvoltage ??
  84. Toroid transformer cover?
  85. Help me to think of name for a tube amplifier
  86. All DHT Phono Stage
  87. How Set up Aria Mini 6P14?
  88. new build - abdellah SE KT88
  89. Sources for enclosures, parts, standoffs, tubing, etc?
  90. Duncan PSUII question
  91. Bench Phono Pre Layout
  92. Imd
  93. Line Level tube
  94. Wanting to start a DIY tube amp
  95. ARC VT100 driver adjustment
  96. Valve Amplifier
  97. SE OPT's in India
  98. Arcing KT-88 and GLY513 ASC 600uF - Too Much of a Good Thing?
  99. What is a "gridless control" tube ?
  100. simple se ground to speaker wire?
  101. Polytone Mini-brute II
  102. New 6N6P linestage
  103. Split supply, arrangement of gain and phase splitter tubes
  104. New Hybrid Amp with multiple inputs: Little Singer H-30A
  105. Help with my Transformer - vibrating
  106. Ultralinear fender?
  107. Quick transformer question
  108. Need for twin 5U4GB rectifiers in baldwin organ amplifier?
  109. Oddwatt / Oddblock Builder's Thread
  110. Tube output stage for Buffalo Saber 32-bit DAC?
  111. Silvertone Multiplex Stereo Model No. 4092 Questions
  112. 6SJ7(6J8) + 6v6 (6P6S) SE
  113. Wavebourn Tower-III High-end hybrid amp
  114. Question - Closest Russian Analog of 12BH7A
  115. Help understanding the PowerDrive circuit anaylsis
  116. Aikido pre
  117. Fixed bias: Pots near supply or tubes?
  118. Oh, those 12AU7s again...
  119. Plitron LOW Power OPT...
  120. Has anyone used The Guiguang 300B?
  121. anyone have any el86 circuits laying around?
  122. ok, power supply question, 230v - 117v conversion
  123. Big lot of tubes purchased this morning
  124. Tamura HM-1
  125. Tube Amp Design Question...
  126. Cathode Bias questions
  127. Tube Hybrid Shunt Regulator ... will this even work?
  128. Forgive me TubeLab ... I have sinned
  129. Broskie regulator oscillates
  130. Yushang-Audio Classic 16.6
  131. Tube PreAmplifier Kit suggestions..
  132. Sourcing Chassis Access Panels
  133. Running 4 ohm speakers with my Simple SE
  134. Cavalli OCL Buffer
  135. wooohooo! Three Rowe AMI amps for $200NZD!
  136. Quick Volume pot question
  137. Basic choke quality/sonic benefit questions
  138. Tubelab SE buzzing noise from the speaker
  139. lighspeed attenuator w/Simple SE AMP
  140. Tube rectifiers for Dummies
  141. help on a SE 4 channel tube amp for auto?
  142. Audio Output Transformers
  143. K-502 Help
  144. High gain guitar preamp kits!
  145. First post, first project RH84
  146. Source for tube cages?
  147. Simple SE optimum layout for hum
  148. Audio Transformers - Help
  149. Gran Tenor
  150. Toroidal Output Tranformers
  151. Cathode Follower confusion
  152. Tube newbie problem
  153. Replacement of KT88's. No mods' necessary?
  154. Phase splitter types
  155. Yaqin VK-2100 mods
  156. Heptode oscillators
  157. tube amp repair in DFW area
  158. A novice scope user - measuring noise?
  159. Hickok 600A & KT88
  160. Multifilar winding
  161. Measuring Hi-Fi Amplifiers
  162. Help with 30A5 tube amp schematic
  163. simple se troubleshooting
  164. 6SN7 operating points input gain stage and concertina
  165. looking for pentodes for scope deflection
  166. Cary 845 schematics
  167. newbie simple SE issue
  168. Power Transformer 110/230V Windings Question
  169. OPT Voltage spike protection with zeners
  170. IRIS OTL info
  171. Precise 111 tube tester - missing tubes
  172. ping yves
  173. Filters
  174. 2X2 as amplifier rectifier
  175. SPMSU for heater supplies
  176. Shipping Tube Gear
  177. Amplifier squeel at zero volume
  178. mercury rectifier for electrostatic bias
  179. My little coupling-cap-test in a UL-70W-Amp
  180. Electra-Print 300BDRD
  181. K-502... upgrading the OPT's with Hammonds
  182. Tube eq or tone control - how to design it?
  183. Help, strange glowing in KT88
  184. Need opinions about this tube circuit
  185. Custom designed transformer for Andrea Ciuffoli 6c33c OTL AMP....
  186. Max current for Edcore GXSE10-8-2.5K
  187. And for the man who has everything....
  188. 1J6G recommended operating point?
  189. DHT bias and filament supply in one?
  190. Tubelab Simple SE Sound Quality
  191. 3d amp modelling (for solidworks)
  192. RSC Stereo Ten.
  193. Weird Bias on Simple SE
  194. Help - noisy phono stage
  195. 2A3 Max Grid Current Rating?
  196. Futterman style 6AS7 OTL with other tubes
  197. Low/Mid-Watt Amps
  198. Calling all builders of the Swenson/Pimm HV Reg
  199. AZ1 problem: broken metal part
  200. More Grunt from Aikido Needed to drive PL509's
  201. Correct OPT and other adjustments on old Bogen amp
  202. Ebl 21 Se Amplifier
  203. OT primary impedance calculation
  204. Akai M5?
  205. Identify the DHT
  206. Fountek Altitude 3500, any opinions?
  207. 31 tube in output
  208. dynaco system- volume remains
  209. Left channel BAD in stereo! HELP please! It's my first tube set
  210. OPT with power transfrormer core
  211. 300b dpa
  212. IV single stage inverting Feedback Amp
  213. TechTubes - The return of Blackburn
  214. simple se how to wire a auxiliary cap
  215. Tradeoffs in analog circuit design, and so on...
  216. Has anyone Received The new Techtubes yet?
  217. 6P3S-E in place of 6V6
  218. EL34, KT88, High Voltage?, VTL..
  219. 100W 6L6 amp sounds harsh at high Volume
  220. Hickok 533 / 600 settings for 6GM8 / ECC86
  221. Need help: amp blowing fuses
  222. Best voltage reference device for a cascode BJT CCS?
  223. Tube power amp noise problem
  224. tube oscillator help.
  225. Finally have some big chokes, how would you use them?
  226. Tube amplifier
  227. Mesa Boogie bass amp quiet
  228. 12AX7 heater filament resistance
  229. Choke input LC chain questions..Q?, minload?
  230. LED bias for 12ax7 oscillator
  231. Yaqin VK-2100 hybrid running 4 ohm speakers
  232. VR shunt regulator or RC filter
  233. Screen Mode Mesh Plate?
  234. EL34 simple push pull class B : why 100W ?
  235. Scored Some Bendix 5992
  236. Tube Substitutions Online ???
  237. Resistor pack for tube amp
  238. Tube Phono Preamp PCB Ebay? are these any good
  239. Testing an EL84 as a 6V6
  240. Low Voltage (~16-20V) Tube
  241. Basic Oscilloscope question
  242. Cathodyne Questions
  243. 6922 for a Noob
  244. Cathodyne Phase splitter simulation problem?
  245. How would you improve this EL84 SE circuit?
  246. Power transformer HT/B+ voltages
  247. Help with cathode follower circuit
  248. RH84 bias change whith different el84 is use
  249. No more power transformers?
  250. K-502 Filament supply (or K-12M)

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