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  1. Baby Tube Subwoofer Amp help wanted
  2. 12BH7 and the Simple SE?
  3. "The Bursar" Push-Pull Amplifier
  4. Needed - Advice on tubelab Simple SE build
  5. Oil filled caps - how are they made? DIY caps?
  6. EL34 schematic question
  7. Newb B9A question
  8. 6889 in the Simple SE - misc observations
  9. Recommend me a KT88/6550 + 7N7 (6SN7) Schematic!
  10. 01A tube amp Schematic???
  11. Tubelab's own forum
  12. Are there elegant ways to prevent huge power-on plops?
  13. New EL84 Push-Pull Monoblock
  14. Just to laugh...
  15. QUAD II Stereo Set Up
  16. hammond ao68/7591 question
  17. 6SN7/6SN7 Aikido + CS4398 DAC = HEAVEN
  18. How to run a square wave test on an OPT??
  19. Vanderveen 73 Watt valve amplifier PR20HE-S2
  20. 6LU8 Spud - Request for comments
  21. Increasing Output Power for the Engineer's Amplifier
  22. Amperex
  23. A Single Ended presentation
  24. Single-endet Stereo Amp KT88, 6L6, 6P3S
  25. My new 6H30 pre
  26. amplifier bias
  27. Distortion measurements on Meng 6P1
  28. What's wrong with SE Cad?
  29. Observations
  30. p2p aikido phono finished!
  31. 6AC10 tubes
  32. Tricked On Ebay!
  33. Last newbe queston for today, shielding
  34. Pot actoss the filaments
  35. How to adjust summetry?
  36. Tube swap THD
  37. Yarland 34A - Crunch sound, now not the same, any ideas?
  38. Amp SE using F2a tube
  39. WEST-CAP, How about sonic reputation
  40. New 300B JEL/Walton Builder's thread
  41. The worlds least efficient amplifier
  42. Shuguang 6L6GCR and 6550 - Your Experience Please
  43. Bogen CHB-35 - guitar tube amp conversion (another)
  44. Help me identify these Caps! (hamfest find)
  45. nM scale Valves
  46. Orientation of E-I core OPT and toroidal power transformer
  47. Baldwin Iron
  48. Carver super 7
  49. Question:disadvantages for using a SE OPT on parafeed?
  50. CF after gain stage
  51. New to Tubes, just bought first tube amp
  52. Sonic Frontiers SFP-1 mods?
  53. AES tube brand mixing..
  54. Hum with EL84 Push-Pull
  55. Low Voltage Tube Preamplifier
  56. 27 driving 2A3/45/ or 300B
  57. Tube pre-amp for a vehicle?
  58. Meng Yue Mini schematic?
  59. Do you know this guy?
  60. Triode Pentode combo tubes
  61. M8136 M8137 Mullard
  62. suppo with vinyl?
  63. small binding post for TT ground
  64. 27 Filaments DC in series
  65. Music Angel KT88 hard wired
  66. Nice! First CCS.
  67. bizarre bias, ST-70 experts step inside
  68. hammond power tx 200series update
  69. Volts D.C. panel meter for B+
  70. What is the best tube amp??
  71. 6GM8 Hickok test settings?
  72. NASA space-age tube for audio use
  73. trouble matching line level to guitar amp input level...any help?
  74. ECL86/6GW8 Console opinions
  75. Bad tubes wanted for tester testing
  76. 7868 tube biasing and output trans protection
  77. second build, recommendations , thoughts
  78. Changing Electra-Print DRD45
  79. ruTubes.com. Anyone dealt with them?
  80. output transformer manufacturer
  81. no resistor values........
  82. Gz34 + otl 6n23p
  83. Jukebox Iron
  84. converting tube rectifier to solid state rectifier.
  85. Help please, Jolida 202a hum.
  86. Amperex Bugle Boy tube???
  87. What's a reasonable amount of power-supply ripple?
  88. Vintage tube amp Aux In To CD In
  89. mounting TO-220 devices
  90. My first valve amp - help appreciated :)
  91. Plasma ball in tube
  92. Nagra's engineers at work.
  93. what just happened? Plate glowing
  94. "Mullard 5-20 KT88 PP blocks!
  95. CCS transistor choices
  96. Simple SE parts "Kit"
  97. capacitor upgrade on my tube phono stage
  98. Microphone Preamp
  99. 6N2 swap
  100. K12M / K12G Current Draw
  101. Best china amp?
  102. Hagtech Clarion 2A3 SET
  103. Tubelab Simple SE Schematic
  104. new idea for a tube power amp
  105. help choose between two preamps
  106. Need a MC phono stage, do i need a pre as well?
  107. What the difference between 7591a & 7868
  108. High Voltage Huge Storage CAPS for that Ultimate Valve Amp
  109. Need a good phono stage design..
  110. getting a pop when i power down, help
  111. Japan vs US output tx
  112. My own RIAA tube preamp
  113. Tube-I-zator SRPP DAC I/V-Stage circuit discussions
  114. Lab Power Supply
  115. diy MESA pre as 3rd channel on guitar amp? - Need Advise!
  116. Learning to measure question
  117. Anyone using silver secondary (or PSSS) output tx
  118. Cary audio design CAD-211
  119. mains overvoltage what to do?
  120. Looking Schematic converting Volume pot to Digital Vol for tube amp.
  121. Jean Hiraga SE Amplifier Power Supply
  122. TubeLab SE, Finally
  123. channel imbalance!!!! need help
  124. ESRC Dollar Sale - Going, Going...
  125. Post pics of your glowing tubes
  126. PCB Layout for tube amp
  127. 530V low-ish dropout regulator?
  128. were can i get transformers from
  129. 6N9P data sheet
  130. Newbie questions - RH84 mods
  131. TriodeElectronics Mk3 for rank noob?
  132. 5718 preamp
  133. 12B4 the pre for me?
  134. Anyone used C3G to drive a 2A3 before?
  135. Cascode Tube Mic Preamp: 12AX7/12AU7 Schematic
  136. Bogen MX60A Schematics
  137. Nasty pop when I power down
  138. Timer for tube hours
  139. Personal Tube Amp DIY Project
  140. Common cathode linestage with 6080
  141. Fingernail polish?
  142. Tube Lab Simple SE with interstage transformer
  143. Wintersweet HighVividity Amplifer finalized
  144. Iron loaded preamp, any thoughts?
  145. Tetra Phono Preamp as a DAC analog stage
  146. EL84 Plate Dissipation
  147. bogen m330a -> 5f6a bassman
  148. 12AU7 Amp?
  149. Toroidal Chokes
  150. Using a voltage converter transformer
  151. Regulated PSU question
  152. please help me change this
  153. Stromberg-Carlson Identification Help
  154. pi filter variations
  155. How do I change this design from EL34 to 6L6?
  156. Sun Audio SV-300B MKII DIY
  157. 230-115V step down transformer earthing
  158. PP oscillation problem
  159. Wiring a DPDT for direct in & 2-100k mono pots ..?
  160. Arion "ADONIS" Schematics Request
  161. Phono Stage my first try
  162. Maximum gain with 6SN7 ?
  163. Rca 6md8
  164. Getting the DIYer blues again.
  165. EL34 B review Tung-Sol
  166. Please help with my first valve preamp ?
  167. power supply filter choke current rating.
  168. Will and Aikido Driver Stage work?
  169. Bottlehead Foreplay III improvements, suggestions, alternatives?
  170. DC modules fot DHT amps....too expensive to buy pre-built, why not DIY them?
  171. Sprague 183P Question
  172. Load Resistance (Ra) question applied to OTs
  173. B&K 610 connector pinout
  174. Buzzing Volume and presence
  175. 807 pp build project - whose in?
  176. tubelab simple se: increasing the drive
  177. where to buy dn2540 and 10m45 in UK
  178. ecc88 arcing at shutdown problem...
  179. Question - Output Trafo with CFB
  180. Tubelab SE rect. arcing -looking for more info
  181. Looking for a hookup wire supplier
  182. Valves' world
  183. Tube diode for cathode bias?
  184. Trying to get a response from TX maker.pass it on.
  185. Need help choosing a filament supply
  186. Motorola 3 channel Tube Amp from Console
  187. Most compact 90V power supply
  188. Decware output stage
  189. 50FE5-push pull stereo
  190. tamura f-7000 series
  191. Very simple high power single ended
  192. CAD for tubes?
  193. Which tubes are lowest noise?
  194. Stacking/paralleling caps - same value?
  195. where to get good 5AR4 's
  196. Greetings from ETF!
  197. 26 Preamp, Kennedy Version 3
  198. 2chanell PCL86-PP "tube buster" for guitar
  199. Roederstein replacements?
  200. Playin' with feedback
  201. schematic yaqin cd1 tube buffer
  202. Tubelab Simple SE questions
  203. tube preamp
  204. Filament current bias
  205. What Transformer is better ??
  206. DC-coupled CF driver pentode help!
  207. HHScott Forum?
  208. Delay relay
  209. Amp Gain Design Philosophy
  210. Converting a Stromberg Carlson AU-35 into a Bass guitar amp?
  211. Greetings - Watt Calculation
  212. AES Chocolates?
  213. Power supply filters - sim results
  214. Q............PP Ultrapath
  215. formula help
  216. DAC -> Amp with parallelled E182CC and Lundahl transformers -> 8ohm headphones
  217. Need an HV trafo? Try these:
  218. Driver for Musical Fidelity 550K
  219. Yaqin MC-10l
  220. help with 2 stage cathode follower
  221. B&K 747 tube tester
  222. Screen glowing?
  223. Grid 2 voltage affects
  224. Simple Tube Mono Block Tube Amp Schematic
  225. Optimizing a 807 PP amplifiers input stage and phase splitter...
  226. Chassis Layout Advice
  227. strange Stromberg Carlson
  228. lifting the earth
  229. passive xover w/ SET?
  230. Low gain tube amp?
  231. What to do with these parts?
  232. Regulated Heater on the 6SN7 Aikido Plate to Heater question
  233. SRPP with buffer - 1MOhm impedance?
  234. PSUD2 & g2 on 807 problem..?
  235. 230V transformer for a 832 PP project
  236. Mercury vapour rectifier for George
  237. Replacing 6L6 with 6V6: what changes needed?
  238. 4 tube line level pre?
  239. Tube Hybrid Amp Gain Calculation
  240. transformer coupled plate follower
  241. What does your system look like?
  242. Cascoding tubes
  243. Advice with modification of Beard power amp
  244. Harman Kardon TA5000-X power XFMR
  245. This happens when you hire a good designer.
  246. Test & Measurement interface for Soundcard
  247. Where to find large capacity high voltage caps?
  248. 1st Pass at 1st Phono Preamp; Comments?
  249. Transformers to try.
  250. Hum in phono pre - help please

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