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  1. Jean Hiraga SE Amplifier Power Supply
  2. channel imbalance!!!! need help
  3. ESRC Dollar Sale - Going, Going...
  4. Post pics of your glowing tubes
  5. PCB Layout for tube amp
  6. 530V low-ish dropout regulator?
  7. were can i get transformers from
  8. 6N9P data sheet
  9. Newbie questions - RH84 mods
  10. TriodeElectronics Mk3 for rank noob?
  11. 5718 preamp
  12. 12B4 the pre for me?
  13. Anyone used C3G to drive a 2A3 before?
  14. Cascode Tube Mic Preamp: 12AX7/12AU7 Schematic
  15. Bogen MX60A Schematics
  16. Nasty pop when I power down
  17. Timer for tube hours
  18. Personal Tube Amp DIY Project
  19. Common cathode linestage with 6080
  20. Fingernail polish?
  21. Wintersweet HighVividity Amplifer finalized
  22. Iron loaded preamp, any thoughts?
  23. Tetra Phono Preamp as a DAC analog stage
  24. EL84 Plate Dissipation
  25. 12AU7 Amp?
  26. Toroidal Chokes
  27. Using a voltage converter transformer
  28. Regulated PSU question
  29. please help me change this
  30. Stromberg-Carlson Identification Help
  31. pi filter variations
  32. How do I change this design from EL34 to 6L6?
  33. Sun Audio SV-300B MKII DIY
  34. 230-115V step down transformer earthing
  35. PP oscillation problem
  36. Wiring a DPDT for direct in & 2-100k mono pots ..?
  37. Arion "ADONIS" Schematics Request
  38. Phono Stage my first try
  39. Maximum gain with 6SN7 ?
  40. Rca 6md8
  41. Getting the DIYer blues again.
  42. EL34 B review Tung-Sol
  43. Please help with my first valve preamp ?
  44. power supply filter choke current rating.
  45. Will and Aikido Driver Stage work?
  46. Bottlehead Foreplay III improvements, suggestions, alternatives?
  47. DC modules fot DHT amps....too expensive to buy pre-built, why not DIY them?
  48. Load Resistance (Ra) question applied to OTs
  49. B&K 610 connector pinout
  50. 807 pp build project - whose in?
  51. where to buy dn2540 and 10m45 in UK
  52. ecc88 arcing at shutdown problem...
  53. Question - Output Trafo with CFB
  54. Valves' world
  55. Tube diode for cathode bias?
  56. Trying to get a response from TX maker.pass it on.
  57. Need help choosing a filament supply
  58. Motorola 3 channel Tube Amp from Console
  59. Most compact 90V power supply
  60. Decware output stage
  61. 50FE5-push pull stereo
  62. tamura f-7000 series
  63. Very simple high power single ended
  64. Which tubes are lowest noise?
  65. where to get good 5AR4 's
  66. Greetings from ETF!
  67. 26 Preamp, Kennedy Version 3
  68. Playin' with feedback
  69. schematic yaqin cd1 tube buffer
  70. tube preamp
  71. Filament current bias
  72. What Transformer is better ??
  73. DC-coupled CF driver pentode help!
  74. HHScott Forum?
  75. Amp Gain Design Philosophy
  76. Greetings - Watt Calculation
  77. AES Chocolates?
  78. Power supply filters - sim results
  79. Q............PP Ultrapath
  80. formula help
  81. DAC -> Amp with parallelled E182CC and Lundahl transformers -> 8ohm headphones
  82. Need an HV trafo? Try these:
  83. Driver for Musical Fidelity 550K
  84. Yaqin MC-10l
  85. help with 2 stage cathode follower
  86. Screen glowing?
  87. Grid 2 voltage affects
  88. Simple Tube Mono Block Tube Amp Schematic
  89. Optimizing a 807 PP amplifiers input stage and phase splitter...
  90. Chassis Layout Advice
  91. strange Stromberg Carlson
  92. lifting the earth
  93. passive xover w/ SET?
  94. Low gain tube amp?
  95. What to do with these parts?
  96. Regulated Heater on the 6SN7 Aikido Plate to Heater question
  97. SRPP with buffer - 1MOhm impedance?
  98. PSUD2 & g2 on 807 problem..?
  99. 230V transformer for a 832 PP project
  100. Mercury vapour rectifier for George
  101. Replacing 6L6 with 6V6: what changes needed?
  102. 4 tube line level pre?
  103. Tube Hybrid Amp Gain Calculation
  104. transformer coupled plate follower
  105. What does your system look like?
  106. Cascoding tubes
  107. Advice with modification of Beard power amp
  108. Harman Kardon TA5000-X power XFMR
  109. This happens when you hire a good designer.
  110. 1st Pass at 1st Phono Preamp; Comments?
  111. Transformers to try.
  112. Hum in phono pre - help please
  113. Presonus Bluetube makeover
  114. Tube Amp Channel Switching
  115. physically small twin triode tube
  116. TJ Full Music Factory Tour Now Online
  117. where to find cool vol control knobs?
  118. $200 6V6 Amp
  119. Audio Research Reference Phono, anyone?
  120. Review of Suppo Audio's first offering - EL84 Push Pull
  121. 6n23p(-ev)
  122. Akikido LSA/HPA 9-Pin or Akikido Octal which one?
  123. TUBE AMP 1946 worth grabbing?
  124. SE Newbie wants to go level 2
  125. Where To Purchase Tube Amp Parts in the UK
  126. The soul of a new "electrostatic" machine
  127. Transformer question
  128. 6021 phono pre-amp
  129. How to design input stage with specific input impedance/pot value
  130. James OPT connections?
  131. DIY rtp5 help please?
  132. SS Followers to drive power tubes
  133. Sophia Electric EL34 Schematic
  134. DRD amplifier with CCS?
  135. Phono Preamp
  136. Dynaco ST-70 with a GSI board, Parts diagram and any info PLEASE
  137. transistor AC blocker
  138. PL519 Source
  139. Identify this mullard
  140. Suppo Audio -- New Chinese EL84 PP amp for CHEAP.
  141. Beard p35mkII schematics/photo photo
  142. Bias transformer question
  143. Anyone deliberately dial in 2nd harmonic?
  144. What is the sonic impact of SS CCS in tube equipment
  145. Phase help
  146. El34-kt88
  147. Transconductance amplifier based on hybrid cascode
  148. Chinese 6Z4, also those regulated supplies.
  149. Audion Reference restoration
  150. Anyone try a regulated PS in an Ultrapath preamp?
  151. High Zout tube preamps with ss power amps.
  152. PSUD II soft start
  153. About the 6AU6s
  154. Audio Note line preamp question
  155. EL34 SE amp schematic
  156. looking for 12AT7 / ECC81 phase splitter
  157. 6AS7 getting rare?
  158. How to power up a new Build the first time
  159. power transformer for a 2a3se amp!
  160. 6DJ8 Tube Phono and Line Preamp
  161. ST-35 Build Using PC13 Boards Questions and Thoughts
  162. My new hybrid full single ended amplifier project on going
  163. Punch tools for making metal top plates on amps
  164. antique sound lab AQ1009-845 interstage transformer replacement
  165. The search for the ultimate 6SN7
  166. Looking for a good part web store
  167. Need your advice for tube amp case
  168. Questions about grounding
  169. power supply
  170. Strange idea for an output stage - comments requested
  171. Please comment on this EL84 PP design
  172. 1.5VDC Heater Supply For #26!?
  173. Looking for 300B or 2A3 design suggestions......gearing up for a new project
  174. original philips AD-9058
  175. Bench test equipment, What's yours?
  176. Tube Lab SE Problem
  177. Tube Socket help, I'm looking at a few, but not sure which material to buy?
  178. Sweep tube info/specs
  179. Help for Tango 300b amp
  180. vacuum tubes type 10 and UX201A
  181. 6DQ5 specs for audio
  182. r-core output transformers...
  183. Isolation Transformer Question
  184. Buffer question?
  185. Two positive rails from a center-tapped transformer?
  186. Help reqd - 115V PTX on 230V
  187. Replacing the cathode resistor with a current source in SE ?
  188. First 300b Design, Please comment
  189. 6AX4 datasheet question
  190. Bias Drift
  191. Recommend me a tube...
  192. What happens when Heater Cathode voltage is exceeded?
  193. HELP Schematics for RL 12 T 15
  194. Phono Stage
  195. TEE Vee Tube fans' SE Cf Amp
  196. Yaqin MC-10L losing volume
  197. Pl84 tubes
  198. AnalogMetric 6L6GC SE amp kit...thoughts about this kit?
  199. 5150 or slo 5-50w clone
  200. ECC88, warm up time
  201. Yaqin MC-10L Heater Voltage
  202. 6c33 otl amblifier
  203. self-oscillation in Dynaco ST-70
  204. Troubleshooting the decware se84 kit
  205. 6L6 PP problem
  206. First try at an Eagle Schematic/board
  207. opinions on decware zen kit
  208. Powerdrive for PP amp with local feedback and pentode driver ?
  209. having trouble calculating transconductance
  210. Philips console unit with reverb!
  211. 300BSET with Kimmel style mu driver ?
  212. EL34/6CA7 driven 300B Schematics
  213. C450 Radio Craftsmen info needed
  214. Magnetic shielding with aluminum
  215. lampizator dac
  216. AES is At It Again...
  217. Se Amp with Push Pull Transformer
  218. 6550 which breed can take the flog ?
  219. Chassis Question
  220. EL82 in triode with silverstepper (TVC)
  221. Joined the 12b4 line stage club. And worth it!
  222. ECL86/PCL86 Schematic
  223. Ambient temperature and tubes
  224. Vintage output transformers
  225. -ve grid voltage
  226. Ming Da MC-3008-A2 Mono Blocks
  227. V-Reg, Gyrator, Low (relative) voltage tubes
  228. Simple Tube amp
  229. Jolida 502A replace power switch
  230. tubes supplier
  231. RadioDaze out of the tube business
  232. C-L-C-parallel-R-C
  233. musical power supplies
  234. Trimpots sound better than equivalent resistors for biasing?
  235. Anyone have a simple circuit for . .
  236. PP Tube Biasing, how good is good enough?
  237. Aesthetics
  238. Point to point, from scatch build of the K-12G
  239. What 6550 for Conrad MV75
  240. Motorboating phono input on Stromberg Carlson ASR433
  241. Pioneer sr-101
  242. 6AU6 in Push Pull: Opinions please
  243. Audionote M7 and Foreplay III
  244. vintage triode
  245. Help with design review wanted
  246. 6J52P pentode driver?
  247. a gutar amp I built
  248. Looking for a good valve preamp
  249. Anyone try the "Hazen mod" to G3 supressor grid
  250. 6L6GC -Which Shuguang can take the Heat?

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