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  1. Vote and Comment: SRPP vs. Aikido vs. Grounded Grid
  2. NEED ADVICE ON THIS SCHEMATIC AND WILL IT WOFK
  3. Help Identifying a Console Pull Amplifier
  4. sunaudio 2A3 circuit...is it good for newbie?
  5. KT120: When does it starts to sing ?
  6. Simple Time Delay (no more excuses for not having one)
  7. Cary SLP-05
  8. 6SN7 Grounded Grid
  9. input selector switch replacement help
  10. help needed with transformer wiring
  11. Tube Schematic Drawig Packages
  12. 12AU7 - 5V4G easy amplifier
  13. Glassware CCA 9-pin PDF
  14. Replacement for the tube 6922 (ECC88)?
  15. Which probes for my first scope?
  16. PP CATHODE BIAS WITH "CCS"
  17. current output tube amplifier
  18. Tube amp for a small room (newbie-like)
  19. What is this old thing from1929?
  20. Arduino cathode current HT etc
  21. Bizzare Output Transformer Connectivity...
  22. OPT to KT88?
  23. Help needed on identifing tube
  24. Amplifier circuit from tube radio
  25. Amplifier circuit from tube radio
  26. Using Valves Library in EAGLE CAD
  27. Biggest noval power pentode?
  28. Akita 12V preamp thoughts
  29. Help, what is this (Marconi 6204) ?
  30. Anyone try DHT 33 or 1Q5 Pentodes wired as Triode?
  31. Would this be a good buy?
  32. Looking for a complete DIY Tube amp
  33. Schematic by TS LIM Pre-amp
  34. Fisher Model 100 'AZ' Mono Amp Rebuild w/ Oscillations
  35. Measuring inductance
  36. Leak stereo 20
  37. Gain and gm of a QQE03/20 anyone ??
  38. Power supply options for tube amplifiers.
  39. CCS question mA
  40. Help wanted with testing and finetuning.
  41. YAQIN VK2100 pre amp
  42. Identify record player and valve
  43. AC Line Filter
  44. blue flash inside 5Y3GT
  45. Heater-Cathode Leakage
  46. Old Tube Kit
  47. Point to Point SET KT88/6550 Build
  48. D3a - MOSFET HYBRID CIRCLOTRON
  49. Aikido CCDA
  50. output impedance
  51. Bizzaro fix for hum problem needs explanation! Pretty Please
  52. Bizzaro fix for hum problem needs explanation! Pretty Please
  53. Questions regarding first build - K-502
  54. Good tube tech in Brooklyn NYC?
  55. Looking for LTspice tube models
  56. Audio Research SP15 : faulty phono stage
  57. Spark 810 looking for the diagram
  58. HP 8903B Question ?
  59. 1955 Hammond Organ Tube Amp
  60. Suggestions Please
  61. Croft Series 4 PL519 regulator
  62. Rectifier ID
  63. Adding headphone output to Darling amp
  64. CLC vs CLCLC Filter Power Supply
  65. Where to get Vacuum Tube Valley magazine?
  66. Magnavox 8802 HELP!!!
  67. Vaa for KT120
  68. Tubes in a Home Theater?
  69. Yaqin mc 10l tube risers?
  70. Wiring an LED strip into an amp?
  71. Need a bit more power :)
  72. yaqin 100b kt88-98 bulb blown and smoking coming from the amp
  73. Amp. 2x5W RV12 P2000driver RL12 P10 final
  74. Layout challange: Dual Maggie AMP148 based.
  75. Replacement PT question
  76. Real Telefunken E88CC?
  77. Any audio differences for EL-84 P-P OPT?
  78. Need help identifying this amplifier.
  79. Can anyone identify this valve / tube?
  80. Pentode-like Triodes
  81. Telefunken EL156 SE experience
  82. Help with a Tubelab SE Power Supply Transformer
  83. 33:1 opt for 5:1 use?
  84. Siemens B30C600 selenium bridge rectifier
  85. ECC81 mu-follower problem
  86. Audio Note M7 line stage preaamp!
  87. Should I upgrade considering.....
  88. Using Wards SE EL84 Transformers for Decware Zenkit1
  89. Parts Box 300b
  90. TO-9105-1 Triodeelectronics output transformer
  91. Need help pairing Martin Logan Sequel II speakers with 4 Watt tube monoblocks
  92. What is your comment about akido linestage?
  93. Driving an EL34 amp without driver stage ?
  94. Mystery Telefunken T9 amp
  95. Improving preamp's bass response.
  96. EZ150
  97. Need help identifying baldwin tube amp
  98. 45 amp with 6N7
  99. Selecting 5881's question
  100. Schematic with ECC88
  101. PP Output Transformers
  102. Gas Tube Question (CK1006 Rectifier)
  103. Art Audio Quintet MK1 EL34 PP resistor value
  104. The Midlife Crisis - My 833C Amp Build
  105. Tube amp Building Compitition Interest check
  106. Found myself a Magnavox 9302-00
  107. DIY Stereo Amp 15-50wpc
  108. Gray Research AM-50
  109. Preamp Grounding and Hum
  110. What to do with AA-100 output iron
  111. Flat screen t.v. and tube amps?
  112. 12AX7 Plate Current vs. HT Voltage
  113. Hammond A0-29 project organ amp
  114. Need help with Phono preamp build with microcontroller relay switching
  115. CCS fixed bias
  116. Gerber file help!!!!!!!
  117. Finally real inductance of a grid resistor...
  118. 12B4 vs. 12B4A
  119. Simple hybrid amplifier
  120. VTL Stereo 50
  121. Distributed volume pot
  122. DHT fixed bias schematic
  123. Wiring a power transformer
  124. What can I do with these tubes?
  125. RCA SP-20 circuit question.
  126. Magnavox Model 1ST525A
  127. LD91 signature power transformer wires Help?
  128. Effect of Regulated DC Filament Supply
  129. D3a-300b amp help!
  130. Need Schematic for this GE Console fast.
  131. Sound experiences 6SN7
  132. EL152 maximum operating settings?
  133. OMG just scored a huge lot of Nos/Nib tube lot for $20
  134. Help with DN2540 CCS design
  135. Strange problem with Caps not blocking DC
  136. Help and suggestions for My Phono and pre amp
  137. PCB and transformer placing and shielding
  138. MC-40 bias current?
  139. Gyrator on ccs-tailed LTP?
  140. capacitor polarity on a VM 20050 amp
  141. Choke? Where to begin?
  142. H11F1 Switching in tube circuits
  143. cooling traditional E-core iron transformers
  144. New vacuum-tube preamp-project!
  145. DIY tube tester
  146. NABU TuneLabSE Buildup
  147. I just inherited a TON of tubes and tube amp components.
  148. Filament Transformer Question ?
  149. Low gain in Heathkit SA-2 phonostage
  150. speakers for leak tl12+
  151. LM3875 + Broskie Cathode Follower. (PICS)
  152. Has anyone built Andrea Ciuffolis Phono End ?
  153. tube substitute
  154. Motorcapacitors in high volt. power supplies?
  155. Troughline, Stereo 20, Technics 1200.Unhappy!
  156. Troughline, Stereo 20, Technics 1200.Unhappy!
  157. Volume potentiometer: the best way to do it...
  158. KT120 "triode" and Hammond 1650N
  159. Tubecad SE Amp Cad
  160. 5702wb
  161. Does anyone know of a company that makes circular risers for tubes?
  162. Negative feedback to differential pair driver
  163. effects send and/or preamp out jack on guitar amps
  164. 6L6 UL Power
  165. Bench Power Supply: What to look for ? Which one to get ?
  166. Bevois Valley EL84 PP - distortion in one channel
  167. good by til next winter
  168. PSUD Questions
  169. Power Transformer Wiring Question ?
  170. Fisher 500C C82/C84 ceramic capacitor function
  171. Tubes to first taker
  172. Neutral wired to chassis, how to add a 3-prong cord?
  173. Heater Transformer - too much voltage
  174. Capacitor value
  175. WD KT88
  176. Ultimate spud amp - any ideas ?
  177. Please Critique My Grounding Scheme
  178. negative voltage drop across a diode
  179. 1.5K 200W output transformers? What tubes?
  180. 50 Type Tube
  181. "12SR7 Starving Student" plays extremly quiet
  182. questions about some sim software
  183. Drive
  184. 4xKT88 into Hammond 1650T, what am I missing?
  185. double mono SE
  186. Two electrolytic cap selection questions
  187. Could This Be the Future of Vacuum Tubes?
  188. Thermography on 6C33C/6C18C aka. 6S33S/6S18S
  189. Rydel's triode model coefficients
  190. 2E26 Options
  191. Loud Popping Dynaco ST-70
  192. Are these EL34's good?
  193. Amp schematic for Sovtek/Svetlana tubes
  194. KT66 power tube amplifier
  195. 6П3С Plate Voltage
  196. Help choosing which Amplifier to build
  197. need help choosing between two amp schems
  198. 100 W-class Circlotron
  199. How can i match power tubes for Transconductance ?
  200. ef89 ef86
  201. ecc82 5687 preamp! audionote
  202. Hammond transformer questions
  203. IXYS CP20M45 IXC - anyone come across them ?
  204. Good Source for Nice Analog Panel Ammeters for 833C Build?
  205. Restore or build from new?
  206. Bob Danielak 826 Amp?
  207. Newbie Tube Power Supply
  208. What shall I build/do with this lot of tubes?
  209. Gingertubes ecl86 amp build
  210. DC restorer
  211. ECF801 Triode/Pentode any useful application ?
  212. Baking Tubes Procedure - Help...
  213. AVO VCM-163 Tube tester problem
  214. ECC82 normal vs ECC82 long plate
  215. 45 Type Push/Pull Amps
  216. leak tl12+
  217. Triode for 60V
  218. Tube Sound Processor
  219. McIntosh MC-275 buy or build an auto-bias tube amp?
  220. slp-90 clone, decent preamp!
  221. Triode St70 with hum
  222. SSR switching HT transformer?
  223. Tube Flash Drive
  224. 6S31B-P Grid current
  225. Tube Op Amp Building Blocks
  226. knight kb-85 restoration/mod
  227. Acceptable Power Supply Noise Limits?
  228. Loadlines and Microsoft Paint
  229. aikido noval all in one caps upgrade
  230. Specific grid stopper question
  231. GU50 Screen Driven, DC Coupled
  232. April fool?
  233. Providing both balanced and unbalanced inputs
  234. Best triode section inside ecc81 tube?
  235. opt for 45 tube
  236. Designing an Interstage Transformer
  237. Tube Amplifier Builder's Competition
  238. testing tubes for shorts
  239. Tube kits
  240. GU29 PP Amplifier
  241. 1625 tube radio?
  242. Measuring volts on an unloaded PSU secondary
  243. Suggest a preamp project for me.
  244. Audio Magazine
  245. Jadis DA88S schematic
  246. clone jadis jp200 preamp
  247. GROMMES LJ5
  248. Altec 1570B Feedback
  249. rebuilding 3tube zenith amp
  250. Effect of lower G2, EL84 PP

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