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  1. Ballantyne output Iron
  2. Power Trafo & Choke headroom
  3. Bare R Cores and bobbins, where???
  4. Plate chokes
  5. Has anyone done anything with the 6112 tube?
  6. el84 amp advice
  7. About to be scammed - bigtime
  8. Dynaco PAS3 -- New Cap board installed
  9. Loose Tube Bases
  10. 12E1 Triode PP, Any Suggestion?
  11. dac output stage with 5687 pp
  12. Baby Tube Subwoofer Amp help wanted
  13. "The Bursar" Push-Pull Amplifier
  14. EL34 schematic question
  15. Newb B9A question
  16. Recommend me a KT88/6550 + 7N7 (6SN7) Schematic!
  17. 01A tube amp Schematic???
  18. Are there elegant ways to prevent huge power-on plops?
  19. New EL84 Push-Pull Monoblock
  20. Just to laugh...
  21. QUAD II Stereo Set Up
  22. hammond ao68/7591 question
  23. 6SN7/6SN7 Aikido + CS4398 DAC = HEAVEN
  24. How to run a square wave test on an OPT??
  25. Vanderveen 73 Watt valve amplifier PR20HE-S2
  26. 6LU8 Spud - Request for comments
  27. Increasing Output Power for the Engineer's Amplifier
  28. Amperex
  29. A Single Ended presentation
  30. Single-endet Stereo Amp KT88, 6L6, 6P3S
  31. My new 6H30 pre
  32. amplifier bias
  33. Distortion measurements on Meng 6P1
  34. What's wrong with SE Cad?
  35. Observations
  36. p2p aikido phono finished!
  37. 6AC10 tubes
  38. Tricked On Ebay!
  39. Last newbe queston for today, shielding
  40. Pot actoss the filaments
  41. How to adjust summetry?
  42. Tube swap THD
  43. Yarland 34A - Crunch sound, now not the same, any ideas?
  44. Amp SE using F2a tube
  45. WEST-CAP, How about sonic reputation
  46. New 300B JEL/Walton Builder's thread
  47. The worlds least efficient amplifier
  48. Shuguang 6L6GCR and 6550 - Your Experience Please
  49. nM scale Valves
  50. Orientation of E-I core OPT and toroidal power transformer
  51. Baldwin Iron
  52. Carver super 7
  53. Question:disadvantages for using a SE OPT on parafeed?
  54. CF after gain stage
  55. New to Tubes, just bought first tube amp
  56. Sonic Frontiers SFP-1 mods?
  57. AES tube brand mixing..
  58. Hum with EL84 Push-Pull
  59. Low Voltage Tube Preamplifier
  60. 27 driving 2A3/45/ or 300B
  61. Tube pre-amp for a vehicle?
  62. Meng Yue Mini schematic?
  63. Do you know this guy?
  64. Triode Pentode combo tubes
  65. M8136 M8137 Mullard
  66. suppo with vinyl?
  67. small binding post for TT ground
  68. 27 Filaments DC in series
  69. Music Angel KT88 hard wired
  70. Nice! First CCS.
  71. bizarre bias, ST-70 experts step inside
  72. hammond power tx 200series update
  73. What is the best tube amp??
  74. NASA space-age tube for audio use
  75. ECL86/6GW8 Console opinions
  76. Bad tubes wanted for tester testing
  77. 7868 tube biasing and output trans protection
  78. second build, recommendations , thoughts
  79. Changing Electra-Print DRD45
  80. ruTubes.com. Anyone dealt with them?
  81. output transformer manufacturer
  82. no resistor values........
  83. Gz34 + otl 6n23p
  84. Jukebox Iron
  85. converting tube rectifier to solid state rectifier.
  86. Help please, Jolida 202a hum.
  87. Amperex Bugle Boy tube???
  88. What's a reasonable amount of power-supply ripple?
  89. Vintage tube amp Aux In To CD In
  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. capacitor upgrade on my tube phono stage
  97. Microphone Preamp
  98. 6N2 swap
  99. K12M / K12G Current Draw
  100. Best china amp?
  101. Hagtech Clarion 2A3 SET
  102. new idea for a tube power amp
  103. help choose between two preamps
  104. Need a MC phono stage, do i need a pre as well?
  105. What the difference between 7591a & 7868
  106. Need a good phono stage design..
  107. getting a pop when i power down, help
  108. Japan vs US output tx
  109. My own RIAA tube preamp
  110. Tube-I-zator SRPP DAC I/V-Stage circuit discussions
  111. Anyone using silver secondary (or PSSS) output tx
  112. Cary audio design CAD-211
  113. mains overvoltage what to do?
  114. Looking Schematic converting Volume pot to Digital Vol for tube amp.
  115. Jean Hiraga SE Amplifier Power Supply
  116. channel imbalance!!!! need help
  117. ESRC Dollar Sale - Going, Going...
  118. Post pics of your glowing tubes
  119. PCB Layout for tube amp
  120. 530V low-ish dropout regulator?
  121. were can i get transformers from
  122. 6N9P data sheet
  123. Newbie questions - RH84 mods
  124. TriodeElectronics Mk3 for rank noob?
  125. 5718 preamp
  126. 12B4 the pre for me?
  127. Anyone used C3G to drive a 2A3 before?
  128. Cascode Tube Mic Preamp: 12AX7/12AU7 Schematic
  129. Bogen MX60A Schematics
  130. Nasty pop when I power down
  131. Timer for tube hours
  132. Personal Tube Amp DIY Project
  133. Common cathode linestage with 6080
  134. Fingernail polish?
  135. Wintersweet HighVividity Amplifer finalized
  136. Iron loaded preamp, any thoughts?
  137. Tetra Phono Preamp as a DAC analog stage
  138. EL84 Plate Dissipation
  139. 12AU7 Amp?
  140. Toroidal Chokes
  141. Using a voltage converter transformer
  142. Regulated PSU question
  143. please help me change this
  144. Stromberg-Carlson Identification Help
  145. pi filter variations
  146. How do I change this design from EL34 to 6L6?
  147. Sun Audio SV-300B MKII DIY
  148. 230-115V step down transformer earthing
  149. PP oscillation problem
  150. Wiring a DPDT for direct in & 2-100k mono pots ..?
  151. Arion "ADONIS" Schematics Request
  152. Phono Stage my first try
  153. Maximum gain with 6SN7 ?
  154. Rca 6md8
  155. Getting the DIYer blues again.
  156. EL34 B review Tung-Sol
  157. Please help with my first valve preamp ?
  158. power supply filter choke current rating.
  159. Will and Aikido Driver Stage work?
  160. Bottlehead Foreplay III improvements, suggestions, alternatives?
  161. DC modules fot DHT amps....too expensive to buy pre-built, why not DIY them?
  162. Load Resistance (Ra) question applied to OTs
  163. 807 pp build project - whose in?
  164. where to buy dn2540 and 10m45 in UK
  165. ecc88 arcing at shutdown problem...
  166. Question - Output Trafo with CFB
  167. Valves' world
  168. Tube diode for cathode bias?
  169. Trying to get a response from TX maker.pass it on.
  170. Need help choosing a filament supply
  171. Motorola 3 channel Tube Amp from Console
  172. Decware output stage
  173. 50FE5-push pull stereo
  174. tamura f-7000 series
  175. Very simple high power single ended
  176. Which tubes are lowest noise?
  177. where to get good 5AR4 's
  178. Greetings from ETF!
  179. 26 Preamp, Kennedy Version 3
  180. Playin' with feedback
  181. schematic yaqin cd1 tube buffer
  182. tube preamp
  183. Filament current bias
  184. What Transformer is better ??
  185. DC-coupled CF driver pentode help!
  186. HHScott Forum?
  187. Amp Gain Design Philosophy
  188. Greetings - Watt Calculation
  189. AES Chocolates?
  190. Power supply filters - sim results
  191. Q............PP Ultrapath
  192. formula help
  193. DAC -> Amp with parallelled E182CC and Lundahl transformers -> 8ohm headphones
  194. Need an HV trafo? Try these:
  195. Driver for Musical Fidelity 550K
  196. Yaqin MC-10l
  197. help with 2 stage cathode follower
  198. Screen glowing?
  199. Grid 2 voltage affects
  200. Simple Tube Mono Block Tube Amp Schematic
  201. Optimizing a 807 PP amplifiers input stage and phase splitter...
  202. Chassis Layout Advice
  203. strange Stromberg Carlson
  204. lifting the earth
  205. passive xover w/ SET?
  206. Low gain tube amp?
  207. What to do with these parts?
  208. Regulated Heater on the 6SN7 Aikido Plate to Heater question
  209. SRPP with buffer - 1MOhm impedance?
  210. PSUD2 & g2 on 807 problem..?
  211. 230V transformer for a 832 PP project
  212. Mercury vapour rectifier for George
  213. Replacing 6L6 with 6V6: what changes needed?
  214. 4 tube line level pre?
  215. Tube Hybrid Amp Gain Calculation
  216. transformer coupled plate follower
  217. What does your system look like?
  218. Cascoding tubes
  219. Advice with modification of Beard power amp
  220. Harman Kardon TA5000-X power XFMR
  221. This happens when you hire a good designer.
  222. 1st Pass at 1st Phono Preamp; Comments?
  223. Transformers to try.
  224. Hum in phono pre - help please
  225. Presonus Bluetube makeover
  226. Tube Amp Channel Switching
  227. physically small twin triode tube
  228. TJ Full Music Factory Tour Now Online
  229. where to find cool vol control knobs?
  230. $200 6V6 Amp
  231. Audio Research Reference Phono, anyone?
  232. Review of Suppo Audio's first offering - EL84 Push Pull
  233. 6n23p(-ev)
  234. Akikido LSA/HPA 9-Pin or Akikido Octal which one?
  235. TUBE AMP 1946 worth grabbing?
  236. SE Newbie wants to go level 2
  237. Where To Purchase Tube Amp Parts in the UK
  238. The soul of a new "electrostatic" machine
  239. Transformer question
  240. 6021 phono pre-amp
  241. How to design input stage with specific input impedance/pot value
  242. James OPT connections?
  243. DIY rtp5 help please?
  244. SS Followers to drive power tubes
  245. Sophia Electric EL34 Schematic
  246. DRD amplifier with CCS?
  247. Phono Preamp
  248. Dynaco ST-70 with a GSI board, Parts diagram and any info PLEASE
  249. transistor AC blocker
  250. PL519 Source

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