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  1. Marantz 8b power transformer
  2. New SET Project
  3. Magnavox Model #OFMC26 Tube Stereo
  4. Balancing Servo
  5. Akai M8 Modding Service Required
  6. 12AX7 basics, some questions on wiring
  7. Hickok Model 600A
  8. Valve for Marshall AVT275 amp
  9. Tube Shield
  10. Choosing an output transformer
  11. Lost in Translation - DIY Japan
  12. Ebay KT88
  13. Filament voltages - an idle curiosity
  14. Project caused by need
  15. PSU issues, advice needed.
  16. Tubelab SE Driver Bias Help
  17. Question about cathode voltage
  18. NOS/NIB tubes what does it mean?
  19. Help to identify transformers
  20. Guitar amp schematic for PPP EL84
  21. DIY tube amp power supply
  22. Socket Saver
  23. Need some tube help!
  24. Need Help Biasing TRV-M300SE Amps
  25. Will this supply work?
  26. First foray into SET, design for your comment
  27. Help understanding a few Ohm's law calculations
  28. Hum in left channer - rogers cadet 3
  29. Need help on understanding AudioResearch like output stage
  30. Help finding 2A3 integrated 2 stage design
  31. 75 / 2A6 Spice Model?
  32. Vacuum Tube DAC
  33. Need help wiring CT transformer
  34. What is this component in my tube amp?
  35. What type of amp should I make with this? Schematic help also needed
  36. 6418 tube preamplifier - Oatley Electronics
  37. Black out coused demage in tube output stage
  38. Need help adding a master volume, and some troubleshooting ...
  39. Other uses for your 807's
  40. Ballantyne output Iron
  41. Power Trafo & Choke headroom
  42. Bare R Cores and bobbins, where???
  43. Plate chokes
  44. Has anyone done anything with the 6112 tube?
  45. el84 amp advice
  46. About to be scammed - bigtime
  47. Dynaco PAS3 -- New Cap board installed
  48. Throw it on the heap... SSE
  49. Loose Tube Bases
  50. 12E1 Triode PP, Any Suggestion?
  51. dac output stage with 5687 pp
  52. Help needed with my Epi Valve Jr
  53. Baby Tube Subwoofer Amp help wanted
  54. 12BH7 and the Simple SE?
  55. "The Bursar" Push-Pull Amplifier
  56. Needed - Advice on tubelab Simple SE build
  57. Oil filled caps - how are they made? DIY caps?
  58. EL34 schematic question
  59. Newb B9A question
  60. 6889 in the Simple SE - misc observations
  61. Recommend me a KT88/6550 + 7N7 (6SN7) Schematic!
  62. 01A tube amp Schematic???
  63. Tubelab's own forum
  64. Are there elegant ways to prevent huge power-on plops?
  65. New EL84 Push-Pull Monoblock
  66. Just to laugh...
  67. QUAD II Stereo Set Up
  68. hammond ao68/7591 question
  69. 6SN7/6SN7 Aikido + CS4398 DAC = HEAVEN
  70. How to run a square wave test on an OPT??
  71. Vanderveen 73 Watt valve amplifier PR20HE-S2
  72. 6LU8 Spud - Request for comments
  73. Increasing Output Power for the Engineer's Amplifier
  74. Amperex
  75. A Single Ended presentation
  76. Single-endet Stereo Amp KT88, 6L6, 6P3S
  77. My new 6H30 pre
  78. amplifier bias
  79. Distortion measurements on Meng 6P1
  80. What's wrong with SE Cad?
  81. Observations
  82. p2p aikido phono finished!
  83. 6AC10 tubes
  84. Tricked On Ebay!
  85. Last newbe queston for today, shielding
  86. Pot actoss the filaments
  87. How to adjust summetry?
  88. Tube swap THD
  89. Yarland 34A - Crunch sound, now not the same, any ideas?
  90. Amp SE using F2a tube
  91. WEST-CAP, How about sonic reputation
  92. New 300B JEL/Walton Builder's thread
  93. The worlds least efficient amplifier
  94. Shuguang 6L6GCR and 6550 - Your Experience Please
  95. Bogen CHB-35 - guitar tube amp conversion (another)
  96. Help me identify these Caps! (hamfest find)
  97. nM scale Valves
  98. Orientation of E-I core OPT and toroidal power transformer
  99. Baldwin Iron
  100. Carver super 7
  101. Question:disadvantages for using a SE OPT on parafeed?
  102. CF after gain stage
  103. New to Tubes, just bought first tube amp
  104. Sonic Frontiers SFP-1 mods?
  105. AES tube brand mixing..
  106. Hum with EL84 Push-Pull
  107. Low Voltage Tube Preamplifier
  108. 27 driving 2A3/45/ or 300B
  109. Tube pre-amp for a vehicle?
  110. Meng Yue Mini schematic?
  111. Do you know this guy?
  112. Triode Pentode combo tubes
  113. M8136 M8137 Mullard
  114. suppo with vinyl?
  115. small binding post for TT ground
  116. 27 Filaments DC in series
  117. Music Angel KT88 hard wired
  118. Nice! First CCS.
  119. bizarre bias, ST-70 experts step inside
  120. hammond power tx 200series update
  121. Volts D.C. panel meter for B+
  122. What is the best tube amp??
  123. 6GM8 Hickok test settings?
  124. NASA space-age tube for audio use
  125. trouble matching line level to guitar amp input level...any help?
  126. ECL86/6GW8 Console opinions
  127. Bad tubes wanted for tester testing
  128. 7868 tube biasing and output trans protection
  129. second build, recommendations , thoughts
  130. Changing Electra-Print DRD45
  131. ruTubes.com. Anyone dealt with them?
  132. output transformer manufacturer
  133. no resistor values........
  134. Gz34 + otl 6n23p
  135. Jukebox Iron
  136. converting tube rectifier to solid state rectifier.
  137. Help please, Jolida 202a hum.
  138. Amperex Bugle Boy tube???
  139. What's a reasonable amount of power-supply ripple?
  140. Vintage tube amp Aux In To CD In
  141. mounting TO-220 devices
  142. My first valve amp - help appreciated :)
  143. Plasma ball in tube
  144. Nagra's engineers at work.
  145. what just happened? Plate glowing
  146. "Mullard 5-20 KT88 PP blocks!
  147. CCS transistor choices
  148. Simple SE parts "Kit"
  149. capacitor upgrade on my tube phono stage
  150. Microphone Preamp
  151. 6N2 swap
  152. K12M / K12G Current Draw
  153. Best china amp?
  154. Hagtech Clarion 2A3 SET
  155. Tubelab Simple SE Schematic
  156. new idea for a tube power amp
  157. help choose between two preamps
  158. Need a MC phono stage, do i need a pre as well?
  159. What the difference between 7591a & 7868
  160. High Voltage Huge Storage CAPS for that Ultimate Valve Amp
  161. Need a good phono stage design..
  162. getting a pop when i power down, help
  163. Japan vs US output tx
  164. My own RIAA tube preamp
  165. Tube-I-zator SRPP DAC I/V-Stage circuit discussions
  166. Lab Power Supply
  167. diy MESA pre as 3rd channel on guitar amp? - Need Advise!
  168. Learning to measure question
  169. Anyone using silver secondary (or PSSS) output tx
  170. Cary audio design CAD-211
  171. mains overvoltage what to do?
  172. Looking Schematic converting Volume pot to Digital Vol for tube amp.
  173. Jean Hiraga SE Amplifier Power Supply
  174. TubeLab SE, Finally
  175. channel imbalance!!!! need help
  176. ESRC Dollar Sale - Going, Going...
  177. Post pics of your glowing tubes
  178. PCB Layout for tube amp
  179. 530V low-ish dropout regulator?
  180. were can i get transformers from
  181. 6N9P data sheet
  182. Newbie questions - RH84 mods
  183. TriodeElectronics Mk3 for rank noob?
  184. 5718 preamp
  185. 12B4 the pre for me?
  186. Anyone used C3G to drive a 2A3 before?
  187. Cascode Tube Mic Preamp: 12AX7/12AU7 Schematic
  188. Bogen MX60A Schematics
  189. Nasty pop when I power down
  190. Timer for tube hours
  191. Personal Tube Amp DIY Project
  192. Common cathode linestage with 6080
  193. Fingernail polish?
  194. Tube Lab Simple SE with interstage transformer
  195. Wintersweet HighVividity Amplifer finalized
  196. Iron loaded preamp, any thoughts?
  197. Tetra Phono Preamp as a DAC analog stage
  198. EL84 Plate Dissipation
  199. bogen m330a -> 5f6a bassman
  200. 12AU7 Amp?
  201. Toroidal Chokes
  202. Using a voltage converter transformer
  203. Regulated PSU question
  204. please help me change this
  205. Stromberg-Carlson Identification Help
  206. pi filter variations
  207. How do I change this design from EL34 to 6L6?
  208. Sun Audio SV-300B MKII DIY
  209. 230-115V step down transformer earthing
  210. PP oscillation problem
  211. Wiring a DPDT for direct in & 2-100k mono pots ..?
  212. Arion "ADONIS" Schematics Request
  213. Phono Stage my first try
  214. Maximum gain with 6SN7 ?
  215. Rca 6md8
  216. Getting the DIYer blues again.
  217. EL34 B review Tung-Sol
  218. Please help with my first valve preamp ?
  219. power supply filter choke current rating.
  220. Will and Aikido Driver Stage work?
  221. Bottlehead Foreplay III improvements, suggestions, alternatives?
  222. DC modules fot DHT amps....too expensive to buy pre-built, why not DIY them?
  223. Sprague 183P Question
  224. Load Resistance (Ra) question applied to OTs
  225. B&K 610 connector pinout
  226. Buzzing Volume and presence
  227. 807 pp build project - whose in?
  228. tubelab simple se: increasing the drive
  229. where to buy dn2540 and 10m45 in UK
  230. ecc88 arcing at shutdown problem...
  231. Question - Output Trafo with CFB
  232. Tubelab SE rect. arcing -looking for more info
  233. Looking for a hookup wire supplier
  234. Valves' world
  235. Tube diode for cathode bias?
  236. Trying to get a response from TX maker.pass it on.
  237. Need help choosing a filament supply
  238. Motorola 3 channel Tube Amp from Console
  239. Most compact 90V power supply
  240. Decware output stage
  241. 50FE5-push pull stereo
  242. tamura f-7000 series
  243. Very simple high power single ended
  244. CAD for tubes?
  245. Which tubes are lowest noise?
  246. Stacking/paralleling caps - same value?
  247. where to get good 5AR4 's
  248. Greetings from ETF!
  249. 26 Preamp, Kennedy Version 3
  250. 2chanell PCL86-PP "tube buster" for guitar

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