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  1. Picking tubes for SimpleSE-ish amplifier
  2. 6gk5/ECC88 Phono any comments.
  3. Meng Yue X1 6P1 amp (NOT the mini)
  4. Basic HiFi Tube Amp Layout? Please?
  5. stupid switch question
  6. Max Current of James JS-6123HS Transformer
  7. How do you determine a driver stage?
  8. SUPER cheap nos tubes if you live in california.
  9. 8ohm resistor in series with 8ohm speakers for a 16ohm OT?
  10. a good tube tester?
  11. Can't get adjustable reg to work
  12. 9 volt tube preamp.
  13. DCD power amplifier: 2A3/d3a CCS coupled: new topology?
  14. Equivalent to IXCP10M45S?
  15. Looking for non-DRD 300B using D3a as driver
  16. Akai M8 rebuild/restore/will-this-work?
  17. space charge 12fx8 amp or preamp schematic?
  18. Help with setup to trace UL curves
  19. My KT88 Williamson Amp Build
  20. UV 203A any good for audio ?
  21. What gives with this square wave?
  22. bottlehead paramour PT
  23. DC filament supply without electrolytic(s)?
  24. Looking for R Core power trafo and choke
  25. PP tube amp for bi-amping : above 400 hz
  26. 6N6P question
  27. Integrated valve amplifier : to buy or to build
  28. Lookin for an ST-70-like project
  29. Formula for Zout of diff pair
  30. 6SL7 and Crossovers
  31. Meng Yue: EL34 or 6P1?
  32. Power Transformers and chokes
  33. nos amperex authentic? label doesn't rub off
  34. Software analysis using tube analog circuit Audio Note Kit 1
  35. Webster Amps,Racine Wis.
  36. Help figuring out resistor values
  37. Small (Novel) Tube Rectifiers?
  38. Conrad Johnson ART preamp question.
  39. pd510
  40. i want to build 3D21WB tube PP amp
  41. How to choose an optimal load line for a cathode follwer buffer?
  42. removing sound controlls...
  43. Pentode cathode follower output impedance
  44. Telematic KC401
  45. ebay, 7c kit, worth it?
  46. Mullard 5-10 for guitar use?
  47. Questions: YAQIN MC-100B KT88 together with Spawn Sachiko?
  48. Olson AM-158
  49. Check out my KT88 curves
  50. Just another /\|OOB to Tubes....Need Schem Help
  51. Problem with 832A PP amp
  52. Marantz 8b power transformer
  53. New SET Project
  54. Magnavox Model #OFMC26 Tube Stereo
  55. Balancing Servo
  56. Akai M8 Modding Service Required
  57. 12AX7 basics, some questions on wiring
  58. Hickok Model 600A
  59. Valve for Marshall AVT275 amp
  60. Tube Shield
  61. Choosing an output transformer
  62. Lost in Translation - DIY Japan
  63. Ebay KT88
  64. Filament voltages - an idle curiosity
  65. Project caused by need
  66. PSU issues, advice needed.
  67. Tubelab SE Driver Bias Help
  68. Question about cathode voltage
  69. NOS/NIB tubes what does it mean?
  70. Help to identify transformers
  71. Guitar amp schematic for PPP EL84
  72. DIY tube amp power supply
  73. Socket Saver
  74. Need some tube help!
  75. Need Help Biasing TRV-M300SE Amps
  76. Will this supply work?
  77. First foray into SET, design for your comment
  78. Help understanding a few Ohm's law calculations
  79. Hum in left channer - rogers cadet 3
  80. Need help on understanding AudioResearch like output stage
  81. Help finding 2A3 integrated 2 stage design
  82. 75 / 2A6 Spice Model?
  83. Vacuum Tube DAC
  84. Need help wiring CT transformer
  85. What is this component in my tube amp?
  86. What type of amp should I make with this? Schematic help also needed
  87. 6418 tube preamplifier - Oatley Electronics
  88. Black out coused demage in tube output stage
  89. Need help adding a master volume, and some troubleshooting ...
  90. Other uses for your 807's
  91. Ballantyne output Iron
  92. Power Trafo & Choke headroom
  93. Bare R Cores and bobbins, where???
  94. Plate chokes
  95. Has anyone done anything with the 6112 tube?
  96. el84 amp advice
  97. About to be scammed - bigtime
  98. Dynaco PAS3 -- New Cap board installed
  99. Throw it on the heap... SSE
  100. Loose Tube Bases
  101. 12E1 Triode PP, Any Suggestion?
  102. dac output stage with 5687 pp
  103. Help needed with my Epi Valve Jr
  104. Baby Tube Subwoofer Amp help wanted
  105. 12BH7 and the Simple SE?
  106. "The Bursar" Push-Pull Amplifier
  107. Needed - Advice on tubelab Simple SE build
  108. Oil filled caps - how are they made? DIY caps?
  109. EL34 schematic question
  110. Newb B9A question
  111. 6889 in the Simple SE - misc observations
  112. Recommend me a KT88/6550 + 7N7 (6SN7) Schematic!
  113. 01A tube amp Schematic???
  114. Tubelab's own forum
  115. Are there elegant ways to prevent huge power-on plops?
  116. New EL84 Push-Pull Monoblock
  117. Just to laugh...
  118. QUAD II Stereo Set Up
  119. hammond ao68/7591 question
  120. 6SN7/6SN7 Aikido + CS4398 DAC = HEAVEN
  121. How to run a square wave test on an OPT??
  122. Vanderveen 73 Watt valve amplifier PR20HE-S2
  123. 6LU8 Spud - Request for comments
  124. Increasing Output Power for the Engineer's Amplifier
  125. Amperex
  126. A Single Ended presentation
  127. Single-endet Stereo Amp KT88, 6L6, 6P3S
  128. My new 6H30 pre
  129. amplifier bias
  130. Distortion measurements on Meng 6P1
  131. What's wrong with SE Cad?
  132. Observations
  133. p2p aikido phono finished!
  134. 6AC10 tubes
  135. Tricked On Ebay!
  136. Last newbe queston for today, shielding
  137. Pot actoss the filaments
  138. How to adjust summetry?
  139. Tube swap THD
  140. Yarland 34A - Crunch sound, now not the same, any ideas?
  141. Amp SE using F2a tube
  142. WEST-CAP, How about sonic reputation
  143. New 300B JEL/Walton Builder's thread
  144. The worlds least efficient amplifier
  145. Shuguang 6L6GCR and 6550 - Your Experience Please
  146. Bogen CHB-35 - guitar tube amp conversion (another)
  147. Help me identify these Caps! (hamfest find)
  148. nM scale Valves
  149. Orientation of E-I core OPT and toroidal power transformer
  150. Baldwin Iron
  151. Carver super 7
  152. Question:disadvantages for using a SE OPT on parafeed?
  153. CF after gain stage
  154. New to Tubes, just bought first tube amp
  155. Sonic Frontiers SFP-1 mods?
  156. AES tube brand mixing..
  157. Hum with EL84 Push-Pull
  158. Low Voltage Tube Preamplifier
  159. 27 driving 2A3/45/ or 300B
  160. Tube pre-amp for a vehicle?
  161. Meng Yue Mini schematic?
  162. Do you know this guy?
  163. Triode Pentode combo tubes
  164. M8136 M8137 Mullard
  165. suppo with vinyl?
  166. small binding post for TT ground
  167. 27 Filaments DC in series
  168. Music Angel KT88 hard wired
  169. Nice! First CCS.
  170. bizarre bias, ST-70 experts step inside
  171. hammond power tx 200series update
  172. Volts D.C. panel meter for B+
  173. What is the best tube amp??
  174. 6GM8 Hickok test settings?
  175. NASA space-age tube for audio use
  176. trouble matching line level to guitar amp input level...any help?
  177. ECL86/6GW8 Console opinions
  178. Bad tubes wanted for tester testing
  179. 7868 tube biasing and output trans protection
  180. second build, recommendations , thoughts
  181. Changing Electra-Print DRD45
  182. ruTubes.com. Anyone dealt with them?
  183. output transformer manufacturer
  184. no resistor values........
  185. Gz34 + otl 6n23p
  186. Jukebox Iron
  187. converting tube rectifier to solid state rectifier.
  188. Help please, Jolida 202a hum.
  189. Amperex Bugle Boy tube???
  190. What's a reasonable amount of power-supply ripple?
  191. Vintage tube amp Aux In To CD In
  192. mounting TO-220 devices
  193. My first valve amp - help appreciated :)
  194. Plasma ball in tube
  195. Nagra's engineers at work.
  196. what just happened? Plate glowing
  197. "Mullard 5-20 KT88 PP blocks!
  198. CCS transistor choices
  199. Simple SE parts "Kit"
  200. capacitor upgrade on my tube phono stage
  201. Microphone Preamp
  202. 6N2 swap
  203. K12M / K12G Current Draw
  204. Best china amp?
  205. Hagtech Clarion 2A3 SET
  206. Tubelab Simple SE Schematic
  207. new idea for a tube power amp
  208. help choose between two preamps
  209. Need a MC phono stage, do i need a pre as well?
  210. What the difference between 7591a & 7868
  211. High Voltage Huge Storage CAPS for that Ultimate Valve Amp
  212. Need a good phono stage design..
  213. getting a pop when i power down, help
  214. Japan vs US output tx
  215. My own RIAA tube preamp
  216. Tube-I-zator SRPP DAC I/V-Stage circuit discussions
  217. Lab Power Supply
  218. diy MESA pre as 3rd channel on guitar amp? - Need Advise!
  219. Learning to measure question
  220. Anyone using silver secondary (or PSSS) output tx
  221. Cary audio design CAD-211
  222. mains overvoltage what to do?
  223. Looking Schematic converting Volume pot to Digital Vol for tube amp.
  224. Jean Hiraga SE Amplifier Power Supply
  225. TubeLab SE, Finally
  226. channel imbalance!!!! need help
  227. ESRC Dollar Sale - Going, Going...
  228. Post pics of your glowing tubes
  229. PCB Layout for tube amp
  230. 530V low-ish dropout regulator?
  231. were can i get transformers from
  232. 6N9P data sheet
  233. Newbie questions - RH84 mods
  234. TriodeElectronics Mk3 for rank noob?
  235. 5718 preamp
  236. 12B4 the pre for me?
  237. Anyone used C3G to drive a 2A3 before?
  238. Cascode Tube Mic Preamp: 12AX7/12AU7 Schematic
  239. Bogen MX60A Schematics
  240. Nasty pop when I power down
  241. Timer for tube hours
  242. Personal Tube Amp DIY Project
  243. Common cathode linestage with 6080
  244. Fingernail polish?
  245. Tube Lab Simple SE with interstage transformer
  246. Wintersweet HighVividity Amplifer finalized
  247. Iron loaded preamp, any thoughts?
  248. Tetra Phono Preamp as a DAC analog stage
  249. EL84 Plate Dissipation
  250. bogen m330a -> 5f6a bassman

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