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  1. Triode Loadline Simulator for dummies tutorial?
  2. Stromberg Carlson AP-54 schematic LTSPICE
  3. Resistor in series with S.E. O.T. ?
  4. Audio Valve Eklipse volume pot value?
  5. jensen vs mundorf
  6. 47 driving 300B questions
  7. 6T9 Amp
  8. Eico HF-32 PEC Loudness Circuit
  9. MV-100B tubes running extremely hot
  10. PCL 86 parafeed?
  11. Hammond 370FX
  12. Question about tube in Little Bear P8 - 6N5P
  13. Mini Pentode tube testing in Triode mode?
  14. Sencore Pr57 Iso Trans, Power Conditioner for amp?
  15. Is hot bias really sonic preferable versus cold bias ?
  16. Aikido Problem - B+ dropping too much
  17. Klemt Echolette M40 Schematic
  18. My S.E.T remade again - the DOS
  19. I need help to recognize these two vacuum tubes
  20. found a box...
  21. Advice on triode connecting a 'JZ6 tube
  22. 1961 Silvertone Model 4722 Organ Guitar amp conversion questions
  23. Beard P100 pcb disassembly
  24. LM317 Heater 12ax7 ...not working
  25. 2A3 se amp power consumption
  26. "JJ" Tubes Vs other brands
  27. playing tube amps through a generator
  28. Need help with a preamp board I bought on eBay
  29. Question on Tube Rectifier..help please.
  30. 2A3 Hum Problems in SE (Please Help!)
  31. 240v to 110v for Sun Valley JB-300B
  32. Tubelab SPP Schematic
  33. SE output transformer
  34. single-ended.com annoyance
  35. A cheapo decent splitter
  36. Lightbulb Base Failure
  37. Madison Fielding Rcvr -- Filament Trick
  38. Converting from UL to Triode: Is this correct?
  39. white follower for driving mosfets.
  40. Distance between two audio input valves
  41. Series Caps on Power Supply
  42. Most expensive parts in DIY tube amp
  43. Filter Choke Selection
  44. 6072A as DAC outputstage
  45. adapting line level to suitcase record player
  46. Aikido Noval Stereo Questions
  47. 100K 2CH Volume pot recommendation
  48. Another Daft Idea
  49. Allen Model 75 user feedback needed
  50. My perfect 6550 PP amp :)
  51. Marantz 8b power transformer - open winding
  52. Chassis Grounding/ Comment on Chinese Schematic SRK-09
  53. Mini Carver Silver Seven?
  54. Using EL34 for allen wright's pp-2c
  55. Ampex 6973 mono blocks
  56. Antique Sound Lab AQ 2001 preamp issues
  57. Quad II hums
  58. Musical Fidelity XCAN V1
  59. Cathode Follower high power class B grid driver
  60. McIntosh MC 60 bias/voltage problem
  61. how to add a sub amp in parallel to S5-12G tube amplifier
  62. 5U4GB (rectifier) Arcing - What to think?
  63. I found these ripped pieces of paper..
  64. chassis grounding questions
  65. motorola ecl82 3 channel amp?
  66. Parallel Push Pull Circuit?
  67. Older valve amps chassis grounding
  68. Just about settled on building my first amp.
  69. 6L6 Triode AB Push/Pull Pout
  70. Schade and CFB exactly equivalent
  71. need some advice on updating this one
  72. Abdellah KT88 cathode follower addition?
  73. Where to buy vacuum tubes in Hong Kong city?
  74. Help needed on restoring a Bogen AP-200 amp
  75. homemade case for a homemade amplifier
  76. Two driver options for 300B push pull
  77. Heath Williamson type W-3M
  78. 6n3c 12ax7 amplifier
  79. HELP needed to design/build DRD 6C33C SET
  80. k12g left channel is out
  81. Yaqin MC-100B... anyone modded for tape loop?
  82. Simple Se build, Which tube?
  83. Re-thinking Hybrid!
  84. History of RIAA standards
  85. GU48/833A medium power SET
  86. Bass control causing hum + no bass from left channel
  87. bad PX4? dark blue glow
  88. Soft Start/bucking transformer For Marantz 9 Monoblocks
  89. Direct coupling with CCS
  90. 407A/B Preamp
  91. Bad 845 tube? (video link)
  92. Blues Jr. Mods
  93. Dynaco PAS 4
  94. OTL Amplifier in 1990 Glass Audio Magazine
  95. Volume drop when playing and hiss noise at turning off from one channel
  96. OPT in or near loudspeaker?
  97. Soft start for tube amplifier
  98. Transformer Sizing, etc
  99. 4P1L filament oscillation
  100. Toroidal power transformers in a tube amp
  101. No left channel output
  102. Conrar Johnson PV-10 squeal!
  103. Need expert help on EL34 SE tube amplifier.
  104. Coupling Caps
  105. 12pin/compactron tube socket
  106. Aikido audio problem w/ mains voltage fluctuations
  107. Radford STA-12
  108. New popping sound from my amp
  109. Line stage experiments with 6sn7
  110. simple SE headphone amp
  111. Aesthetix Metis Linestage
  112. Problem with Antique Sounds Pre Amp
  113. Output coupling capacitor question
  114. Screen Voltage present without B+
  115. jolida jd3000b preamp
  116. Need help on output transformer wiring alternatives
  117. Hi-End Push-Pull universal driver
  118. schematic for pentode 42 SE
  119. 6L6 / EL34 / EL84 / 6V6 frequency response curves?
  120. cheap and dirty supply
  121. EL84 SET red plating problem
  122. Using Aikido Topology to make Phono Preamp and Power Supply
  123. 5687 & OB2 as an excellent HT regulator
  124. 6S45P-E questions
  125. Extreme hybrid, a 100W with the vacuum tube sound
  126. Test Settings for a EL33/6AG6/6M6 on Eico 628 tester
  127. Chinook (Baby Amp II)
  128. Einstein Amplifier Input and Driver Section
  129. Tube System for Symphony/Jazz
  130. What is the purpose of C3 & C4?
  131. Yes, I'm the one who bought it...
  132. Capacitor Values
  133. Parks Audio / Triode ST35 kit?
  134. noob question.
  135. First stereo amp "Newbie" questions
  136. Newbie tries to design an amp
  137. Help - analysis on an output KT88 PP amp
  138. 12T10 triode connection - similar "real" triode to compare to?
  139. Recommendations for tube preamp (vinyl playback)
  140. Magnavox 8802 refurb boutique or standard parts.
  141. Allen model 75 organ amplifiers modifications
  142. Capacitance of rectifier tubes/valves near V=0??
  143. Volume/selector switch
  144. Auto Bias w/ LM317
  145. Volume drops and then comes back - anyone recognizes the sympthom?
  146. Cathode Follower and Volume Pot
  147. Dyna Mark III monoblocks. Driver boards and some questions on modding.
  148. switching a 5y3 for a 5y4?
  149. K-12M in Ultra Linear Mode Volume Issue
  150. SA 260 Pilot tube amplifier
  151. Standard Earmax Mod
  152. 470V using Bridge vs. 230V using Doubler
  153. Troublesome hybrid shengya a10..
  154. Heater Dropping Resistors
  155. Useing Mosfet in cathode leg of phase splitter
  156. Cheap (<100) Digital Tube Tester from ebay; experience/build/mod thread
  157. Cleaning old tube sockets with common household products
  158. Automatic Bias Kit
  159. Triode mode Pentode G2 resistor?
  160. Rectifier.
  161. Tube gainstage for newbie
  162. Source follower irf720 or DN2540
  163. Toroidal OPT
  164. Tesla E83CC - Have done research & still havingt trouble spotting fakes from real
  165. Can Capacitor
  166. SE Power amp SG2 voltage
  167. Bias supply
  168. 7377 tube socket
  169. Power Transformer Impedance Matching
  170. zenith console amplifier (a stereo mono amplifier :) )
  171. Trutone model Teeco 610-D
  172. electromagnetic hum problem
  173. Heathkit A7 Volume.
  174. Ribbon Tube Amp
  175. Brimar ECC83 with red bottom
  176. Dynaco ST 35 Cheap Transformers source in EU
  177. Transformer input for P-P
  178. Help Identifying 12au7a From Hammond Organ
  179. K502 Bleeder and LED
  180. Cathode follower attenuates signal
  181. Anyone has a curve tracer to trace Western Electric 436A 448A 418A in triode mode ?
  182. Breadboards and tube voltages
  183. Dynaco 35 Power Supply
  184. Magic eye with tube em80-schematic or circuit
  185. Using 220v amp in country with 230v
  186. Magic eye with EM81 tube - made in China
  187. Improvement Suggestion Wanted: 6AS7 Hybrid PP Amp
  188. Tube amp instability in LTSpice (Claus Byrith 4-30)
  189. Current mfg triode's
  190. K12g upgrades
  191. Help Needed Identifying a Custom Tube Amp
  192. Capacitor Voltage rating
  193. 6dj8 6922 driver question
  194. APPJ PA0901A Repair
  195. Output tube G1 resistors question
  196. Building Mullard PP ECL86 stereo
  197. 6SN7 Parallel Preamp Anyone?
  198. Advice on Finishing my K502 Build
  199. Another SSE build question
  200. Ferrite SE Outut XFMR for HF Tube Amp
  201. Question about grounding a 2-prong tube amp
  202. Grommes Mono Block
  203. EL84 triode mode @ 425V?
  204. Hybrid amp - Grounding Suggestions?
  205. Advises asked for, exquisite taste wanted!!
  206. need a good 2a3 socket... need advice
  207. Cathode feedback comments?
  208. Does different Rectifier Tubes change the tone????
  209. Another boring day
  210. el84 Tube amp
  211. Haddon PL151 Quad II input transformer
  212. Noob question
  213. Futterman H3 Set Up
  214. Good tube amp for bass
  215. Any tube guys here use a MiniDSP
  216. Should Output Transformers be replaced
  217. Quad II questions
  218. MY OTL Tim Mellow-ESL 63 PROJECT
  219. Zobel for REDD47 w/ HA-100 Inpu
  220. Pentode P-P - cathode biasing for A and AB
  221. Why a Headphone Amp?
  222. How little B+ ripple do I really need?
  223. Need good EF86 based RIAA preamp.
  224. Marshall 9005 modification
  225. Which Tube amplifier should I build first?
  226. Sound Practices Magazines, Complete Set 98% perfect
  227. 6L6GC in Push Pull Class A - how much power out?
  228. ECC83 DC Heater Supply - without CT
  229. PPP EL84 monoblocs: i knew then what i know now...
  230. zener, voltage devider or 02A
  231. DHT heater current draw - how fast?
  232. Rca sa752
  233. Audio Research and Octal Pre's
  234. Scott 299D
  235. Unison Smart 845 big problem
  236. Need help with driver idea for 845 amp - have a few ideas
  237. Input impedance on cathode follower stage?
  238. Picked up a box of tubes for $5.. What tubes are usable?
  239. Need help on potentiometer.
  240. A Raven preamp (mk2) finished
  241. need help searching for ground
  242. Pre-amp transformer output
  243. Boyuu EL34 A9 Tube Amp
  244. Hybrid 15W, want feedback - work in-progress
  245. PT from scratch for 100 W Marshall 2555 Silver Jubilee - advices and comments ...
  246. SP12 and PH12 Pre and Phono from Vacuum Tube Audio
  247. Which tube amp for Telefunken-tlx3 loudspeakers?
  248. Burned up a tube - want to be sure I know why
  249. Output Transformer Windings in parallel
  250. New tube tech from Korg

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