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  1. Need help adding a master volume, and some troubleshooting ...
  2. Other uses for your 807's
  3. Ballantyne output Iron
  4. Power Trafo & Choke headroom
  5. Bare R Cores and bobbins, where???
  6. Plate chokes
  7. Has anyone done anything with the 6112 tube?
  8. el84 amp advice
  9. About to be scammed - bigtime
  10. Dynaco PAS3 -- New Cap board installed
  11. Throw it on the heap... SSE
  12. Loose Tube Bases
  13. 12E1 Triode PP, Any Suggestion?
  14. dac output stage with 5687 pp
  15. Help needed with my Epi Valve Jr
  16. Baby Tube Subwoofer Amp help wanted
  17. 12BH7 and the Simple SE?
  18. "The Bursar" Push-Pull Amplifier
  19. Needed - Advice on tubelab Simple SE build
  20. Oil filled caps - how are they made? DIY caps?
  21. EL34 schematic question
  22. Newb B9A question
  23. 6889 in the Simple SE - misc observations
  24. Recommend me a KT88/6550 + 7N7 (6SN7) Schematic!
  25. 01A tube amp Schematic???
  26. Tubelab's own forum
  27. Are there elegant ways to prevent huge power-on plops?
  28. New EL84 Push-Pull Monoblock
  29. Just to laugh...
  30. QUAD II Stereo Set Up
  31. hammond ao68/7591 question
  32. 6SN7/6SN7 Aikido + CS4398 DAC = HEAVEN
  33. How to run a square wave test on an OPT??
  34. Vanderveen 73 Watt valve amplifier PR20HE-S2
  35. 6LU8 Spud - Request for comments
  36. Increasing Output Power for the Engineer's Amplifier
  37. Amperex
  38. A Single Ended presentation
  39. Single-endet Stereo Amp KT88, 6L6, 6P3S
  40. My new 6H30 pre
  41. amplifier bias
  42. Distortion measurements on Meng 6P1
  43. What's wrong with SE Cad?
  44. Observations
  45. p2p aikido phono finished!
  46. 6AC10 tubes
  47. Tricked On Ebay!
  48. Last newbe queston for today, shielding
  49. Pot actoss the filaments
  50. How to adjust summetry?
  51. Tube swap THD
  52. Yarland 34A - Crunch sound, now not the same, any ideas?
  53. Amp SE using F2a tube
  54. WEST-CAP, How about sonic reputation
  55. New 300B JEL/Walton Builder's thread
  56. The worlds least efficient amplifier
  57. Shuguang 6L6GCR and 6550 - Your Experience Please
  58. Bogen CHB-35 - guitar tube amp conversion (another)
  59. Help me identify these Caps! (hamfest find)
  60. nM scale Valves
  61. Orientation of E-I core OPT and toroidal power transformer
  62. Baldwin Iron
  63. Carver super 7
  64. Question:disadvantages for using a SE OPT on parafeed?
  65. CF after gain stage
  66. New to Tubes, just bought first tube amp
  67. Sonic Frontiers SFP-1 mods?
  68. AES tube brand mixing..
  69. Hum with EL84 Push-Pull
  70. Low Voltage Tube Preamplifier
  71. 27 driving 2A3/45/ or 300B
  72. Tube pre-amp for a vehicle?
  73. Meng Yue Mini schematic?
  74. Do you know this guy?
  75. Triode Pentode combo tubes
  76. M8136 M8137 Mullard
  77. suppo with vinyl?
  78. small binding post for TT ground
  79. 27 Filaments DC in series
  80. Music Angel KT88 hard wired
  81. Nice! First CCS.
  82. bizarre bias, ST-70 experts step inside
  83. hammond power tx 200series update
  84. Volts D.C. panel meter for B+
  85. What is the best tube amp??
  86. 6GM8 Hickok test settings?
  87. NASA space-age tube for audio use
  88. trouble matching line level to guitar amp input level...any help?
  89. ECL86/6GW8 Console opinions
  90. Bad tubes wanted for tester testing
  91. 7868 tube biasing and output trans protection
  92. second build, recommendations , thoughts
  93. Changing Electra-Print DRD45
  94. ruTubes.com. Anyone dealt with them?
  95. output transformer manufacturer
  96. no resistor values........
  97. Gz34 + otl 6n23p
  98. Jukebox Iron
  99. converting tube rectifier to solid state rectifier.
  100. Help please, Jolida 202a hum.
  101. Amperex Bugle Boy tube???
  102. What's a reasonable amount of power-supply ripple?
  103. Vintage tube amp Aux In To CD In
  104. mounting TO-220 devices
  105. My first valve amp - help appreciated :)
  106. Plasma ball in tube
  107. Nagra's engineers at work.
  108. what just happened? Plate glowing
  109. "Mullard 5-20 KT88 PP blocks!
  110. CCS transistor choices
  111. Simple SE parts "Kit"
  112. capacitor upgrade on my tube phono stage
  113. Microphone Preamp
  114. 6N2 swap
  115. K12M / K12G Current Draw
  116. Best china amp?
  117. Hagtech Clarion 2A3 SET
  118. Tubelab Simple SE Schematic
  119. new idea for a tube power amp
  120. help choose between two preamps
  121. Need a MC phono stage, do i need a pre as well?
  122. What the difference between 7591a & 7868
  123. High Voltage Huge Storage CAPS for that Ultimate Valve Amp
  124. Need a good phono stage design..
  125. getting a pop when i power down, help
  126. Japan vs US output tx
  127. My own RIAA tube preamp
  128. Tube-I-zator SRPP DAC I/V-Stage circuit discussions
  129. Lab Power Supply
  130. diy MESA pre as 3rd channel on guitar amp? - Need Advise!
  131. Learning to measure question
  132. Anyone using silver secondary (or PSSS) output tx
  133. Cary audio design CAD-211
  134. mains overvoltage what to do?
  135. Looking Schematic converting Volume pot to Digital Vol for tube amp.
  136. Jean Hiraga SE Amplifier Power Supply
  137. TubeLab SE, Finally
  138. channel imbalance!!!! need help
  139. ESRC Dollar Sale - Going, Going...
  140. Post pics of your glowing tubes
  141. PCB Layout for tube amp
  142. 530V low-ish dropout regulator?
  143. were can i get transformers from
  144. 6N9P data sheet
  145. Newbie questions - RH84 mods
  146. TriodeElectronics Mk3 for rank noob?
  147. 5718 preamp
  148. 12B4 the pre for me?
  149. Anyone used C3G to drive a 2A3 before?
  150. Cascode Tube Mic Preamp: 12AX7/12AU7 Schematic
  151. Bogen MX60A Schematics
  152. Nasty pop when I power down
  153. Timer for tube hours
  154. Personal Tube Amp DIY Project
  155. Common cathode linestage with 6080
  156. Fingernail polish?
  157. Tube Lab Simple SE with interstage transformer
  158. Wintersweet HighVividity Amplifer finalized
  159. Iron loaded preamp, any thoughts?
  160. Tetra Phono Preamp as a DAC analog stage
  161. EL84 Plate Dissipation
  162. bogen m330a -> 5f6a bassman
  163. 12AU7 Amp?
  164. Toroidal Chokes
  165. Using a voltage converter transformer
  166. Regulated PSU question
  167. please help me change this
  168. Stromberg-Carlson Identification Help
  169. pi filter variations
  170. How do I change this design from EL34 to 6L6?
  171. Sun Audio SV-300B MKII DIY
  172. 230-115V step down transformer earthing
  173. PP oscillation problem
  174. Wiring a DPDT for direct in & 2-100k mono pots ..?
  175. Arion "ADONIS" Schematics Request
  176. Phono Stage my first try
  177. Maximum gain with 6SN7 ?
  178. Rca 6md8
  179. Getting the DIYer blues again.
  180. EL34 B review Tung-Sol
  181. Please help with my first valve preamp ?
  182. power supply filter choke current rating.
  183. Will and Aikido Driver Stage work?
  184. Bottlehead Foreplay III improvements, suggestions, alternatives?
  185. DC modules fot DHT amps....too expensive to buy pre-built, why not DIY them?
  186. Sprague 183P Question
  187. Load Resistance (Ra) question applied to OTs
  188. B&K 610 connector pinout
  189. Buzzing Volume and presence
  190. 807 pp build project - whose in?
  191. tubelab simple se: increasing the drive
  192. where to buy dn2540 and 10m45 in UK
  193. ecc88 arcing at shutdown problem...
  194. Question - Output Trafo with CFB
  195. Tubelab SE rect. arcing -looking for more info
  196. Looking for a hookup wire supplier
  197. Valves' world
  198. Tube diode for cathode bias?
  199. Trying to get a response from TX maker.pass it on.
  200. Need help choosing a filament supply
  201. Motorola 3 channel Tube Amp from Console
  202. Most compact 90V power supply
  203. Decware output stage
  204. 50FE5-push pull stereo
  205. tamura f-7000 series
  206. Very simple high power single ended
  207. CAD for tubes?
  208. Which tubes are lowest noise?
  209. Stacking/paralleling caps - same value?
  210. where to get good 5AR4 's
  211. Greetings from ETF!
  212. 26 Preamp, Kennedy Version 3
  213. 2chanell PCL86-PP "tube buster" for guitar
  214. Roederstein replacements?
  215. Playin' with feedback
  216. schematic yaqin cd1 tube buffer
  217. Tubelab Simple SE questions
  218. tube preamp
  219. Filament current bias
  220. What Transformer is better ??
  221. DC-coupled CF driver pentode help!
  222. HHScott Forum?
  223. Delay relay
  224. Amp Gain Design Philosophy
  225. Converting a Stromberg Carlson AU-35 into a Bass guitar amp?
  226. Greetings - Watt Calculation
  227. AES Chocolates?
  228. Power supply filters - sim results
  229. Q............PP Ultrapath
  230. formula help
  231. DAC -> Amp with parallelled E182CC and Lundahl transformers -> 8ohm headphones
  232. Need an HV trafo? Try these:
  233. Driver for Musical Fidelity 550K
  234. Yaqin MC-10l
  235. help with 2 stage cathode follower
  236. B&K 747 tube tester
  237. Screen glowing?
  238. Grid 2 voltage affects
  239. Simple Tube Mono Block Tube Amp Schematic
  240. Optimizing a 807 PP amplifiers input stage and phase splitter...
  241. Chassis Layout Advice
  242. strange Stromberg Carlson
  243. lifting the earth
  244. passive xover w/ SET?
  245. Low gain tube amp?
  246. What to do with these parts?
  247. Regulated Heater on the 6SN7 Aikido Plate to Heater question
  248. SRPP with buffer - 1MOhm impedance?
  249. PSUD2 & g2 on 807 problem..?
  250. 230V transformer for a 832 PP project

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