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  1. Newb B9A question
  2. 6889 in the Simple SE - misc observations
  3. Recommend me a KT88/6550 + 7N7 (6SN7) Schematic!
  4. 01A tube amp Schematic???
  5. Tubelab's own forum
  6. Are there elegant ways to prevent huge power-on plops?
  7. New EL84 Push-Pull Monoblock
  8. Just to laugh...
  9. QUAD II Stereo Set Up
  10. hammond ao68/7591 question
  11. 6SN7/6SN7 Aikido + CS4398 DAC = HEAVEN
  12. How to run a square wave test on an OPT??
  13. Vanderveen 73 Watt valve amplifier PR20HE-S2
  14. 6LU8 Spud - Request for comments
  15. Increasing Output Power for the Engineer's Amplifier
  16. Amperex
  17. A Single Ended presentation
  18. Single-endet Stereo Amp KT88, 6L6, 6P3S
  19. My new 6H30 pre
  20. amplifier bias
  21. Distortion measurements on Meng 6P1
  22. What's wrong with SE Cad?
  23. Observations
  24. p2p aikido phono finished!
  25. 6AC10 tubes
  26. Tricked On Ebay!
  27. Last newbe queston for today, shielding
  28. Pot actoss the filaments
  29. How to adjust summetry?
  30. Tube swap THD
  31. Yarland 34A - Crunch sound, now not the same, any ideas?
  32. Amp SE using F2a tube
  33. WEST-CAP, How about sonic reputation
  34. New 300B JEL/Walton Builder's thread
  35. The worlds least efficient amplifier
  36. Shuguang 6L6GCR and 6550 - Your Experience Please
  37. nM scale Valves
  38. Orientation of E-I core OPT and toroidal power transformer
  39. Baldwin Iron
  40. Carver super 7
  41. Question:disadvantages for using a SE OPT on parafeed?
  42. CF after gain stage
  43. New to Tubes, just bought first tube amp
  44. Sonic Frontiers SFP-1 mods?
  45. AES tube brand mixing..
  46. Hum with EL84 Push-Pull
  47. Low Voltage Tube Preamplifier
  48. 27 driving 2A3/45/ or 300B
  49. Tube pre-amp for a vehicle?
  50. Meng Yue Mini schematic?
  51. Do you know this guy?
  52. Triode Pentode combo tubes
  53. M8136 M8137 Mullard
  54. suppo with vinyl?
  55. small binding post for TT ground
  56. 27 Filaments DC in series
  57. Music Angel KT88 hard wired
  58. Nice! First CCS.
  59. bizarre bias, ST-70 experts step inside
  60. hammond power tx 200series update
  61. Volts D.C. panel meter for B+
  62. What is the best tube amp??
  63. 6GM8 Hickok test settings?
  64. NASA space-age tube for audio use
  65. ECL86/6GW8 Console opinions
  66. Bad tubes wanted for tester testing
  67. 7868 tube biasing and output trans protection
  68. second build, recommendations , thoughts
  69. Changing Electra-Print DRD45
  70. ruTubes.com. Anyone dealt with them?
  71. output transformer manufacturer
  72. no resistor values........
  73. Gz34 + otl 6n23p
  74. Jukebox Iron
  75. converting tube rectifier to solid state rectifier.
  76. Help please, Jolida 202a hum.
  77. Amperex Bugle Boy tube???
  78. What's a reasonable amount of power-supply ripple?
  79. Vintage tube amp Aux In To CD In
  80. mounting TO-220 devices
  81. My first valve amp - help appreciated :)
  82. Plasma ball in tube
  83. Nagra's engineers at work.
  84. what just happened? Plate glowing
  85. "Mullard 5-20 KT88 PP blocks!
  86. CCS transistor choices
  87. Simple SE parts "Kit"
  88. capacitor upgrade on my tube phono stage
  89. Microphone Preamp
  90. 6N2 swap
  91. K12M / K12G Current Draw
  92. Best china amp?
  93. Hagtech Clarion 2A3 SET
  94. Tubelab Simple SE Schematic
  95. new idea for a tube power amp
  96. help choose between two preamps
  97. Need a MC phono stage, do i need a pre as well?
  98. What the difference between 7591a & 7868
  99. High Voltage Huge Storage CAPS for that Ultimate Valve Amp
  100. Need a good phono stage design..
  101. getting a pop when i power down, help
  102. Japan vs US output tx
  103. My own RIAA tube preamp
  104. Tube-I-zator SRPP DAC I/V-Stage circuit discussions
  105. Lab Power Supply
  106. Learning to measure question
  107. Anyone using silver secondary (or PSSS) output tx
  108. Cary audio design CAD-211
  109. mains overvoltage what to do?
  110. Looking Schematic converting Volume pot to Digital Vol for tube amp.
  111. Jean Hiraga SE Amplifier Power Supply
  112. TubeLab SE, Finally
  113. channel imbalance!!!! need help
  114. ESRC Dollar Sale - Going, Going...
  115. Post pics of your glowing tubes
  116. PCB Layout for tube amp
  117. 530V low-ish dropout regulator?
  118. were can i get transformers from
  119. 6N9P data sheet
  120. Newbie questions - RH84 mods
  121. TriodeElectronics Mk3 for rank noob?
  122. 5718 preamp
  123. 12B4 the pre for me?
  124. Anyone used C3G to drive a 2A3 before?
  125. Cascode Tube Mic Preamp: 12AX7/12AU7 Schematic
  126. Bogen MX60A Schematics
  127. Nasty pop when I power down
  128. Timer for tube hours
  129. Personal Tube Amp DIY Project
  130. Common cathode linestage with 6080
  131. Fingernail polish?
  132. Tube Lab Simple SE with interstage transformer
  133. Wintersweet HighVividity Amplifer finalized
  134. Iron loaded preamp, any thoughts?
  135. Tetra Phono Preamp as a DAC analog stage
  136. EL84 Plate Dissipation
  137. 12AU7 Amp?
  138. Toroidal Chokes
  139. Using a voltage converter transformer
  140. Regulated PSU question
  141. please help me change this
  142. Stromberg-Carlson Identification Help
  143. pi filter variations
  144. How do I change this design from EL34 to 6L6?
  145. Sun Audio SV-300B MKII DIY
  146. 230-115V step down transformer earthing
  147. PP oscillation problem
  148. Wiring a DPDT for direct in & 2-100k mono pots ..?
  149. Arion "ADONIS" Schematics Request
  150. Phono Stage my first try
  151. Maximum gain with 6SN7 ?
  152. Rca 6md8
  153. Getting the DIYer blues again.
  154. EL34 B review Tung-Sol
  155. Please help with my first valve preamp ?
  156. power supply filter choke current rating.
  157. Will and Aikido Driver Stage work?
  158. Bottlehead Foreplay III improvements, suggestions, alternatives?
  159. DC modules fot DHT amps....too expensive to buy pre-built, why not DIY them?
  160. Sprague 183P Question
  161. Load Resistance (Ra) question applied to OTs
  162. B&K 610 connector pinout
  163. Buzzing Volume and presence
  164. 807 pp build project - whose in?
  165. tubelab simple se: increasing the drive
  166. where to buy dn2540 and 10m45 in UK
  167. ecc88 arcing at shutdown problem...
  168. Question - Output Trafo with CFB
  169. Tubelab SE rect. arcing -looking for more info
  170. Looking for a hookup wire supplier
  171. Valves' world
  172. Tube diode for cathode bias?
  173. Trying to get a response from TX maker.pass it on.
  174. Need help choosing a filament supply
  175. Motorola 3 channel Tube Amp from Console
  176. Most compact 90V power supply
  177. Decware output stage
  178. 50FE5-push pull stereo
  179. tamura f-7000 series
  180. Very simple high power single ended
  181. CAD for tubes?
  182. Which tubes are lowest noise?
  183. Stacking/paralleling caps - same value?
  184. where to get good 5AR4 's
  185. Greetings from ETF!
  186. 26 Preamp, Kennedy Version 3
  187. Roederstein replacements?
  188. Playin' with feedback
  189. schematic yaqin cd1 tube buffer
  190. Tubelab Simple SE questions
  191. tube preamp
  192. Filament current bias
  193. What Transformer is better ??
  194. DC-coupled CF driver pentode help!
  195. HHScott Forum?
  196. Delay relay
  197. Amp Gain Design Philosophy
  198. Greetings - Watt Calculation
  199. AES Chocolates?
  200. Power supply filters - sim results
  201. Q............PP Ultrapath
  202. formula help
  203. DAC -> Amp with parallelled E182CC and Lundahl transformers -> 8ohm headphones
  204. Need an HV trafo? Try these:
  205. Driver for Musical Fidelity 550K
  206. Yaqin MC-10l
  207. help with 2 stage cathode follower
  208. B&K 747 tube tester
  209. Screen glowing?
  210. Grid 2 voltage affects
  211. Simple Tube Mono Block Tube Amp Schematic
  212. Optimizing a 807 PP amplifiers input stage and phase splitter...
  213. Chassis Layout Advice
  214. strange Stromberg Carlson
  215. lifting the earth
  216. passive xover w/ SET?
  217. Low gain tube amp?
  218. What to do with these parts?
  219. Regulated Heater on the 6SN7 Aikido Plate to Heater question
  220. SRPP with buffer - 1MOhm impedance?
  221. PSUD2 & g2 on 807 problem..?
  222. 230V transformer for a 832 PP project
  223. Mercury vapour rectifier for George
  224. Replacing 6L6 with 6V6: what changes needed?
  225. 4 tube line level pre?
  226. Tube Hybrid Amp Gain Calculation
  227. transformer coupled plate follower
  228. What does your system look like?
  229. Cascoding tubes
  230. Advice with modification of Beard power amp
  231. Harman Kardon TA5000-X power XFMR
  232. This happens when you hire a good designer.
  233. Test & Measurement interface for Soundcard
  234. 1st Pass at 1st Phono Preamp; Comments?
  235. Transformers to try.
  236. Hum in phono pre - help please
  237. Output transformer cores
  238. Output transformer cores
  239. Presonus Bluetube makeover
  240. Tube Amp Channel Switching
  241. physically small twin triode tube
  242. Tubelab SE 2A3 _ Newbie question.
  243. TJ Full Music Factory Tour Now Online
  244. where to find cool vol control knobs?
  245. $200 6V6 Amp
  246. Audio Research Reference Phono, anyone?
  247. Review of Suppo Audio's first offering - EL84 Push Pull
  248. 6n23p(-ev)
  249. Akikido LSA/HPA 9-Pin or Akikido Octal which one?
  250. TUBE AMP 1946 worth grabbing?

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