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  1. before i drill Simple SE Chassis Seperation of input and output
  2. gates m-3638 preamp
  3. Oversized caps (PS and coupling) in RH84: Problem?
  4. What makes a great concertina triode?
  5. Luxman SQ5A
  6. Spice model with grid current 12ax7
  7. converting a magnavox pp 6v6 in triode mode
  8. 3-leaded russian PIO caps
  9. 6V6 filaments in series
  10. my loud valve preamp
  11. Tranformer for Chinese pre amp (6N11) ?
  12. 1 watt desk speaker
  13. PE06/40 replacement
  14. Salvaged console tube reciever
  15. EF86 swap for 6BQ5 reverb?
  16. Yaqin CD3 Impressions and Internals
  17. svetlana 6D22S heater issues/question
  18. Unity-Gain EL84 Push-Pull Power Buffer
  19. Tube rectifier input capacitance
  20. Borbely hybrid Tube-MOSFET opamp
  21. Help! Tube Rolling
  22. Articles on Global Feedback
  23. Symetrical out low Zout
  24. Any Rimlock PCB sockets out there?
  25. 12SN7 Round Plate Tung Sol--is there such a thing?
  26. Vintage 2a3 tube amp
  27. Balance in CCS Long Tailed Pairs
  28. Audioromy 813 Mains Transformer
  29. Hello all, Im new from Spain, sorry for my english, and problems with my music angel
  30. use 120V x 2 for Aikido octal transformer?
  31. P-P O/P Trafo with only 2 tubes insead of 4?
  32. Eico HF-87 refurb
  33. Which SS CCS for the plate load on a 6N1P?
  34. Um, Can I do this?
  35. Eico power supply trouble (hlp plz)
  36. TV live regulator to tube preamp
  37. How to Spec Headphone output transformers
  38. Can I enlarge the mounting hole on Mosfet?
  39. Meng Yue 6P1
  40. Finding triode curves
  41. Critique my schematic 12ay7 linestage
  42. Suppresor Grid used for Feedback?
  43. Power Cascode
  44. Audio grade components
  45. Line Voltage with Yaqin MC-100B amp
  46. heater warmup and b+ delay
  47. BAL to UNBAL DAC buffer
  48. Counterpoint SA-7 - need a pic of the inside
  49. Are Chinese 6N2 the same as Russian 6N2P?
  50. New project; Musical Machine
  51. 4D32 SE amp, a few more questions
  52. Static shock with simple se
  53. Old electrolytic caps ok? MOSCODE 600
  54. Transformer Flux Band Tips and Tricks?
  55. What tube config will get this sound?
  56. On cleaning transformers
  57. My first project ELEKIT TU-870R
  58. DC7 MkII :New Schade 6080 amp.
  59. current driver tube amplifier
  60. A DC coupled headphones amp
  61. Ebay trader zhangsheng
  62. decware kits worth it?
  63. Simple test for transformer frequency response?
  64. Modular guitar tube amp power supply - interface concerns
  65. Vacuum Tube Voltmeters
  66. Power Trans. Load Test
  67. Replacing Cap Across Filter Cap
  68. Regulate HV preamp with floating LM317?
  69. Rogers cadet 3
  70. AC15 Heritage Project w/ Sound Clips
  71. Output impedance tap considerations.....
  72. Amp switch safety load
  73. MF X-10D replica problem
  74. Nice triode
  75. Low gain preamplifier
  76. Improving a Maple Tree Audio PS 2 power supply
  77. Baby Huey-ish phono?
  78. New? Local Feedback Method
  79. PSUD Help Needed: What value do I enter for current?
  80. Question on WE310
  81. How do you calculate choke size in a power supply?
  82. tubecad and tubecad se
  83. 300B amp Power Supply
  84. Adjustable internal Resonance?
  85. B+ Voltage sag for AB1 PP
  86. Maplin
  87. Preamp with an integrated amp
  88. First "boot" in 15 years
  89. Inherited these tubes. Anything interesting?
  90. What application for this tube?
  91. tantalum cap
  92. do I need to upgrade my heater supply to add another tube?
  93. Anyone have curves for a 2C52?
  94. tube-amplifier-shaped-usb-speaker
  95. pre-amp tubes: matching and care
  96. How to self taught about building tube amplifiers
  97. Any pretty good/bad chinese amps?
  98. Couple idiot questions....
  99. Looking for the triode mode of Z759
  100. Couple idiot questions....
  101. push pull 45
  102. Video of hum noise when I switch on the reverb of my Twin Amp
  103. 6sj7 spice model
  104. Help finding parallel 45 SE schematic
  105. filling in the low end, 6bq5 12ax7 circuitry
  106. Dynaco Mark VI
  107. Looking for Sonic Frontiers SFS80 Schematic
  108. CCS or V.REG for OP anode
  109. Yarland FV 34CIII
  110. Looking for OPT steel covers
  111. Damper diodes, center tapped heater, B+
  112. Dynaco ST-35 Newbie cathodyne question
  113. Anyone have valve/tube libraries for express PCB or PCB123?
  114. Looking for the Ultimate Aikido.
  115. CCS loaded DHT cathode follower?
  116. Phono stage with LT1028 MC input
  117. New valve int flash over why ?
  118. Sweep tube suggestions
  119. Amp project output problem
  120. 12AX7,6BQ5 PP Amp Search.
  121. Dynaco MkIII preamp/linestage recommendations?
  122. Can someone please check my PCB layout for this preamp?
  123. looking for easy, low cost guitar amp project
  124. UK EBAY - 100W Marshall / Fender Clone Transformer Set
  125. 1KW power - what do you think?
  126. Bottlehead Filament Choke FC-1 for Push-Pull?
  127. Home James! But first, which transformer?
  128. NAD preamp = 6BQ5 Frankenschteen
  129. Wintersweet highvividity driver circuit
  130. Looking for TT11(CV1501) triode mode curve
  131. Amp switching with 4093/4066. How to add indicator LEDs?
  132. Yaqin MC-10L Blown Fuse
  133. 2a3 amp, progress picture
  134. How do I implement an AZ1 rec tube???
  135. Profit margin on used tube amps
  136. 300B sockets (different question)
  137. How can I modify this grommes little jewel amp for guitar.
  138. tri-amping question (s)
  139. Unity coupled power stage
  140. Acquired A Bunch Of Tubes
  141. Understanding load lines
  142. what would happen if.........?
  143. Testing valves/tubes
  144. 300b socket
  145. Vertical vs. Horizontal does it matter?
  146. Layout thoughts hmm....
  147. ID request, is this a pre?
  148. Anyone got any info on the Tippatone 500 watt amps?
  149. SMPS for Filaments?
  150. Using 6n6pi Push and Pull
  151. Optimum Tube Temperature
  152. Chassis
  153. 5670
  154. will this spice works in real word?
  155. An amplifier for Burning Man
  156. 12AT7,12AU7 Ultra linear cascode
  157. El Cheapo Grande
  158. EL84 Unused pins safe to connect?
  159. 6BQ5/EL84 tube buffer questions
  160. How much power do I need?
  161. Tube buffer/preamp. Where to place voltage divider?
  162. Schematic wanted for VTL Preamp "Maximal"
  163. modified GEC 88-50
  164. Zenith 7B31 Help
  165. Do swingers always buzz when they swing?
  166. 6at6 tube? What can i use it for?
  167. Sovtek 6550WA?
  168. how to make a tube gyrator eq?
  169. Transformer needed or "solid state guy needs help from tube guys"
  170. Differential input, SET output
  171. FFT of PSUD2 output?
  172. Differential push-pull design question
  173. Any EF184 users?
  174. 30P1S - How to use them?
  175. st-70 as good as it gets?
  176. Subbing in a TVC - input load Q
  177. Chinese tubes, new ones or relabeled?
  178. 6AV6 => 12AX7 question
  179. crate vintage club 50 2x12 keeps blowing preamp tubes
  180. 845 & 300b tubes
  181. Sourcing sockets and plugs for power supply umbilicals
  182. Sub mini history question ...
  183. 6DX8 Amp for Headphones and Low Volume Needs
  184. Surplus Voltage Solution
  185. Tube rolling in the Triode Electronics 6au6/12au7 driver board
  186. RCA mystery tube help
  187. Breadboarding/Prototyping - How to and Tips/Tricks
  188. Sub-Miniature Tubes - Low Voltage
  189. True direct-coupled PP amp
  190. "Radical" twist on an all DHT phonostage
  191. input tubes for 300b
  192. JE Labs simple 2a3 filiment tranny, 1 or 2?
  193. ebay Valve Preamps boards for 18 !
  194. Smoothing caps
  195. Spud issues - a little help, please
  196. GLY513 in PS of Simple SE / PP and OTL
  197. Has anyone here built something with this super triode?
  198. What is this part in old radio?
  199. Has anyone done anything with a 5977 sub-mini
  200. Driving EQ from kathode resistor
  201. Understanding CCS vs CVS
  202. Can you believe this!
  203. help with my humming valve amp
  204. Picking tubes for SimpleSE-ish amplifier
  205. 6gk5/ECC88 Phono any comments.
  206. Meng Yue X1 6P1 amp (NOT the mini)
  207. Basic HiFi Tube Amp Layout? Please?
  208. stupid switch question
  209. Max Current of James JS-6123HS Transformer
  210. How do you determine a driver stage?
  211. SUPER cheap nos tubes if you live in california.
  212. 8ohm resistor in series with 8ohm speakers for a 16ohm OT?
  213. a good tube tester?
  214. Can't get adjustable reg to work
  215. 9 volt tube preamp.
  216. DCD power amplifier: 2A3/d3a CCS coupled: new topology?
  217. Equivalent to IXCP10M45S?
  218. Looking for non-DRD 300B using D3a as driver
  219. Akai M8 rebuild/restore/will-this-work?
  220. space charge 12fx8 amp or preamp schematic?
  221. Help with setup to trace UL curves
  222. My KT88 Williamson Amp Build
  223. UV 203A any good for audio ?
  224. What gives with this square wave?
  225. bottlehead paramour PT
  226. DC filament supply without electrolytic(s)?
  227. Looking for R Core power trafo and choke
  228. PP tube amp for bi-amping : above 400 hz
  229. 6N6P question
  230. Integrated valve amplifier : to buy or to build
  231. Lookin for an ST-70-like project
  232. Formula for Zout of diff pair
  233. 6SL7 and Crossovers
  234. Meng Yue: EL34 or 6P1?
  235. Power Transformers and chokes
  236. nos amperex authentic? label doesn't rub off
  237. Software analysis using tube analog circuit Audio Note Kit 1
  238. Webster Amps,Racine Wis.
  239. Help figuring out resistor values
  240. Small (Novel) Tube Rectifiers?
  241. Conrad Johnson ART preamp question.
  242. pd510
  243. i want to build 3D21WB tube PP amp
  244. How to choose an optimal load line for a cathode follwer buffer?
  245. removing sound controlls...
  246. Pentode cathode follower output impedance
  247. Telematic KC401
  248. ebay, 7c kit, worth it?
  249. Mullard 5-10 for guitar use?
  250. Questions: YAQIN MC-100B KT88 together with Spawn Sachiko?

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