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  1. RH807 output transformer....what did you use?
  2. Headphone tube amp with balanced output?
  3. Tube buffer with 6n1p-EV
  4. First little SE
  5. ID Nice Unknown Tube
  6. Bell and Howell Model-601
  7. what should my mulit reader be on to bias yaqin 100b
  8. Fixing an old Tandberg Huldra 6 Radio
  9. 30W sweep tube amp
  10. Atmosphère S-40 with KT88, does someone know about this amp?
  11. What happens when Output transformer max voltage (slightly) exceeded?
  12. what type is the best?
  13. Kiwame carbon resistors
  14. Rocker Switch Wiring
  15. RH6550
  16. Diodes for Marantz 8B
  17. Diodes for Marantz 8B
  18. Telefunken 2430 Opus Resistor Burnout
  19. yaqin 100b with 2 different kt88 valves 2 are Genelex Gold Lion and 2 are Svetlena wi
  20. Conrad Johnson MV40 copy and Fisher OP's
  21. Are EF86 Tubes inherently microphonic?
  22. Counterpoint SA-1000 Hum in left channel Pinging Anatech!
  23. Need a rectifier tube...
  24. Looking for Harman Kardon Allegro A-10 Schematic or PhotoFact.
  25. How much spl can a triode take?
  26. Octal CCDA kit - help needed!
  27. Mod input of 6AU6/6AQ5 amp for iPod
  28. Put a tube on your PC just for fun..
  29. ST35 Cathode Feedback
  30. Series Shunt tube regulator
  31. Help ID this tube ^&$**@# lettering!
  32. Adding a db VU meter to an existing tube mic pre
  33. Quad 22 interstage cap?
  34. 4P1L triode PP (40W!!?)
  35. KT88 shootout vintage vs new vs 90
  36. Help needed to identify this british made Amp
  37. PSU II Question
  38. Quality tube buffer with ECC83
  39. K12g Amp Question
  40. output transfo problem
  41. Pair of Fisher CA-40 Oddballs
  42. Model 601 tube amp.
  43. Model 601 Tube amp
  44. First power amp build. Is this normal??
  45. Compactronized 6146
  46. Preamp and inverter on B7G base tubes circuit.
  47. Advice and Suggestions on Amp designs
  48. Help who tube buffer x10-d
  49. EL803S-6CW5 / EL86 amp design check (schematic attached)
  50. amp buzz in one channel on inrush / power on
  51. SE 8-10W monoblock build help
  52. GlassWare Tube CAD
  53. SMD Parts and the DIYer
  54. 6CW5 / EL86 operating point
  55. RH84 power output
  56. 6n6p-ir
  57. Transformer bubbling
  58. Crackling noise.... pls help on Pre-amp
  59. RH84 amp. Plate is 300V. What voltage...
  60. Amplificator Class A 2 X EL504
  61. Help in testing 12ax7 and 7869 tubes
  62. Micro-Cap Tubes Parameters question
  63. Cathode Bypass Capacitor
  64. NOOB ALERT! sooo omany questions.....
  65. IS THIS A REAL E810F ???
  66. Chassis design question / cooling of small signal valves
  67. 5 leads pp output transformer
  68. Vote and Comment: SRPP vs. Aikido vs. Grounded Grid
  69. NEED ADVICE ON THIS SCHEMATIC AND WILL IT WOFK
  70. Help Identifying a Console Pull Amplifier
  71. sunaudio 2A3 circuit...is it good for newbie?
  72. KT120: When does it starts to sing ?
  73. Simple Time Delay (no more excuses for not having one)
  74. Cary SLP-05
  75. 6SN7 Grounded Grid
  76. input selector switch replacement help
  77. help needed with transformer wiring
  78. Tube Schematic Drawig Packages
  79. 12AU7 - 5V4G easy amplifier
  80. Glassware CCA 9-pin PDF
  81. Replacement for the tube 6922 (ECC88)?
  82. Which probes for my first scope?
  83. PP CATHODE BIAS WITH "CCS"
  84. current output tube amplifier
  85. Tube amp for a small room (newbie-like)
  86. What is this old thing from1929?
  87. Arduino cathode current HT etc
  88. Bizzare Output Transformer Connectivity...
  89. OPT to KT88?
  90. Help needed on identifing tube
  91. Amplifier circuit from tube radio
  92. Amplifier circuit from tube radio
  93. Using Valves Library in EAGLE CAD
  94. Biggest noval power pentode?
  95. Akita 12V preamp thoughts
  96. Help, what is this (Marconi 6204) ?
  97. Anyone try DHT 33 or 1Q5 Pentodes wired as Triode?
  98. Would this be a good buy?
  99. Looking for a complete DIY Tube amp
  100. Schematic by TS LIM Pre-amp
  101. Fisher Model 100 'AZ' Mono Amp Rebuild w/ Oscillations
  102. Measuring inductance
  103. Leak stereo 20
  104. Gain and gm of a QQE03/20 anyone ??
  105. Power supply options for tube amplifiers.
  106. CCS question mA
  107. Help wanted with testing and finetuning.
  108. YAQIN VK2100 pre amp
  109. Identify record player and valve
  110. AC Line Filter
  111. blue flash inside 5Y3GT
  112. Heater-Cathode Leakage
  113. Old Tube Kit
  114. Point to Point SET KT88/6550 Build
  115. D3a - MOSFET HYBRID CIRCLOTRON
  116. Aikido CCDA
  117. output impedance
  118. Bizzaro fix for hum problem needs explanation! Pretty Please
  119. Bizzaro fix for hum problem needs explanation! Pretty Please
  120. Questions regarding first build - K-502
  121. Good tube tech in Brooklyn NYC?
  122. Looking for LTspice tube models
  123. Audio Research SP15 : faulty phono stage
  124. Spark 810 looking for the diagram
  125. HP 8903B Question ?
  126. 1955 Hammond Organ Tube Amp
  127. Suggestions Please
  128. Croft Series 4 PL519 regulator
  129. Rectifier ID
  130. Adding headphone output to Darling amp
  131. CLC vs CLCLC Filter Power Supply
  132. Where to get Vacuum Tube Valley magazine?
  133. Magnavox 8802 HELP!!!
  134. Vaa for KT120
  135. Tubes in a Home Theater?
  136. Yaqin mc 10l tube risers?
  137. Wiring an LED strip into an amp?
  138. Need a bit more power :)
  139. yaqin 100b kt88-98 bulb blown and smoking coming from the amp
  140. Amp. 2x5W RV12 P2000driver RL12 P10 final
  141. Layout challange: Dual Maggie AMP148 based.
  142. Replacement PT question
  143. Real Telefunken E88CC?
  144. Any audio differences for EL-84 P-P OPT?
  145. Need help identifying this amplifier.
  146. Can anyone identify this valve / tube?
  147. Pentode-like Triodes
  148. Telefunken EL156 SE experience
  149. 33:1 opt for 5:1 use?
  150. Siemens B30C600 selenium bridge rectifier
  151. ECC81 mu-follower problem
  152. Audio Note M7 line stage preaamp!
  153. Should I upgrade considering.....
  154. Using Wards SE EL84 Transformers for Decware Zenkit1
  155. Parts Box 300b
  156. TO-9105-1 Triodeelectronics output transformer
  157. Need help pairing Martin Logan Sequel II speakers with 4 Watt tube monoblocks
  158. What is your comment about akido linestage?
  159. Driving an EL34 amp without driver stage ?
  160. Mystery Telefunken T9 amp
  161. Improving preamp's bass response.
  162. EZ150
  163. Need help identifying baldwin tube amp
  164. 45 amp with 6N7
  165. Selecting 5881's question
  166. Schematic with ECC88
  167. PP Output Transformers
  168. Gas Tube Question (CK1006 Rectifier)
  169. Art Audio Quintet MK1 EL34 PP resistor value
  170. The Midlife Crisis - My 833C Amp Build
  171. Tube amp Building Compitition Interest check
  172. Found myself a Magnavox 9302-00
  173. DIY Stereo Amp 15-50wpc
  174. Gray Research AM-50
  175. Preamp Grounding and Hum
  176. What to do with AA-100 output iron
  177. Flat screen t.v. and tube amps?
  178. 12AX7 Plate Current vs. HT Voltage
  179. Need help with Phono preamp build with microcontroller relay switching
  180. CCS fixed bias
  181. Gerber file help!!!!!!!
  182. Finally real inductance of a grid resistor...
  183. 12B4 vs. 12B4A
  184. Simple hybrid amplifier
  185. VTL Stereo 50
  186. Distributed volume pot
  187. DHT fixed bias schematic
  188. Wiring a power transformer
  189. What can I do with these tubes?
  190. RCA SP-20 circuit question.
  191. Magnavox Model 1ST525A
  192. LD91 signature power transformer wires Help?
  193. Effect of Regulated DC Filament Supply
  194. D3a-300b amp help!
  195. Need Schematic for this GE Console fast.
  196. Sound experiences 6SN7
  197. EL152 maximum operating settings?
  198. OMG just scored a huge lot of Nos/Nib tube lot for $20
  199. Help with DN2540 CCS design
  200. Strange problem with Caps not blocking DC
  201. Help and suggestions for My Phono and pre amp
  202. PCB and transformer placing and shielding
  203. MC-40 bias current?
  204. Gyrator on ccs-tailed LTP?
  205. capacitor polarity on a VM 20050 amp
  206. Choke? Where to begin?
  207. H11F1 Switching in tube circuits
  208. cooling traditional E-core iron transformers
  209. New vacuum-tube preamp-project!
  210. NABU TuneLabSE Buildup
  211. I just inherited a TON of tubes and tube amp components.
  212. Filament Transformer Question ?
  213. Low gain in Heathkit SA-2 phonostage
  214. speakers for leak tl12+
  215. LM3875 + Broskie Cathode Follower. (PICS)
  216. Has anyone built Andrea Ciuffolis Phono End ?
  217. tube substitute
  218. Motorcapacitors in high volt. power supplies?
  219. Troughline, Stereo 20, Technics 1200.Unhappy!
  220. Troughline, Stereo 20, Technics 1200.Unhappy!
  221. Volume potentiometer: the best way to do it...
  222. KT120 "triode" and Hammond 1650N
  223. Tubecad SE Amp Cad
  224. 5702wb
  225. Does anyone know of a company that makes circular risers for tubes?
  226. Negative feedback to differential pair driver
  227. 6L6 UL Power
  228. Bench Power Supply: What to look for ? Which one to get ?
  229. Bevois Valley EL84 PP - distortion in one channel
  230. good by til next winter
  231. PSUD Questions
  232. Power Transformer Wiring Question ?
  233. Fisher 500C C82/C84 ceramic capacitor function
  234. Tubes to first taker
  235. Neutral wired to chassis, how to add a 3-prong cord?
  236. Heater Transformer - too much voltage
  237. Capacitor value
  238. WD KT88
  239. Ultimate spud amp - any ideas ?
  240. Please Critique My Grounding Scheme
  241. negative voltage drop across a diode
  242. 1.5K 200W output transformers? What tubes?
  243. 50 Type Tube
  244. "12SR7 Starving Student" plays extremly quiet
  245. questions about some sim software
  246. Drive
  247. 4xKT88 into Hammond 1650T, what am I missing?
  248. double mono SE
  249. Two electrolytic cap selection questions
  250. Could This Be the Future of Vacuum Tubes?

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