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  1. F4 - Factory Built- First impressions
  2. Coping with amp box heat (not heatsink sizing)
  3. A L 1.2 non-inverting preamp
  4. Threshold SA
  5. How to test Mosfet with Multimeter?
  6. Transformer
  7. Pass Design to Drive ESLs?
  8. Super Simple Class A MOSFET Redux
  9. my zen test
  10. Some questions on (X)-ONO
  11. Thank you Nelson
  12. How To Adjust Bias Current?
  13. pre-out
  14. The absolute DC Offset in Aleph-x
  15. Power factor correction
  16. A30 - Finally!
  17. Aleph 30 completed and listened
  18. A75 PSU Mains switching
  19. another BOZ problem....
  20. My Aleph 5
  21. i am ready to build Aleph-X
  22. Be careful about IRF9610
  23. Aleph 60 DIY experience
  24. where is Aleph 60 Service Manual???
  25. Heatsink for the F3
  26. BOZ bias adjustment help
  27. heat sink size, easy calculation.
  28. What's the Idle Current of the F5 Power Amp
  29. Aleph 30's with low sensitivity bookshelf speakers??
  30. Pass D1 I/V for Sabre DAC
  31. Connecting Pass D1 analog stage to a differential DAC
  32. Preamp ideas for F5
  33. Check idle current on PA 7 Nakamichi
  34. Irfp240/9240 A75
  35. Leaving Class A
  36. just made Aleph-3,
  37. Bride of Zen - AudioExpress PCB - Help
  38. Aleph 30: project completed
  39. Just finished a Lightly balanced Zen
  40. Which First Watt amp for the JX92S
  41. sweet sound aleph-3 or Aleph-x?
  42. aleph-3 transistor replace
  43. passdiy.com - what happened to the gallery???
  44. D1 bias currents
  45. 2 * Aleph 30 = an Aleph "60"?
  46. Wanting to build amp
  47. which aleph class A sound is good?
  48. question about Aleph-3 , need help
  49. class A amp using 2sc5200/2sa1943 or 2sa2922/2sa1612
  50. X1 voltage swap
  51. my first step to class A amp -aleph3 3ow.
  52. where to find original aleph circuit diagram?
  53. Aleph P + Aleph 30
  54. Audio Virtues of JFET Transconductance Amplifiers
  55. how to match mosfets for class A amp?
  56. Threshold SA4/e bias
  57. pass lab X02 upgrade idea
  58. Open baffle drivers and FirstWatt amps.
  59. JFET D1 I/V stage for ESS Sabre DAC
  60. B1 Buffer Preamp
  61. which version aleph class -A amp is easy to buld?
  62. Pass Int 150
  63. Worth doing cheap "thermal protection fuses" in hot amps?
  64. El Pipo: Any fresh new ideas?
  65. AlephX High Power version circuit needed
  66. need info for Zen-XA amp
  67. To Mr Nelson Pass - Review33 in Hong Kong
  68. set volume with 50k Pot on Zen V4
  69. PSU for D1 I/V
  70. Ken Ealey Mods????
  71. One box dedicated headamp/preamp.
  72. Hitachi Cap??
  73. Psu caps in Threshold 400A
  74. New to SPICE
  75. full mosfet F5 amplifier
  76. 400A, emitter resistors and bias: I would learn
  77. JFET as 1st stage in PLH
  78. Custom Plitron tranformer for output stage
  79. I/V after amplification using current amp?
  80. X0.2 Preamp advice & circuit
  81. PCB manufacturers with heavy copper
  82. Can this really be Class A & SE?
  83. X150.5 for Sonus Faber Grand Piano Home?
  84. perfect match for 16 ohm Coincident speakers?
  85. How about the ZEN-X??
  86. Aleph X
  87. Pearl PS blowing fuses
  88. Hum left channel on Threshold SA3 (I know its not a pass labs but...)
  89. Aleph XA100.5 specifications
  90. X350.5 or X600
  91. like peanut butter with chocolate
  92. voltages on a zen v.9
  93. PDF about F5 amplifier of Sensei PASS
  94. Search US source of Resistor used in F3 or F4
  95. F4 Type amp but with gain
  96. ZV5 PS layout question
  97. Aleph X strange behaviour
  98. Searching for Threshold schematics once online
  99. Forté Audio Model 3: caps and schematics?
  100. How many supply voltage on Pass X0
  101. Cute little preamp inspired by JBoz/F5
  102. Aleph 5 (4 x IRFP240 per channel)
  103. V2 bridged question
  104. ZV8 Capacitors & Questions
  105. 400A: caps and spareparts
  106. E24 in place of E96 resistors...
  107. Boards V4, F4
  108. Balanced I/C Recommendations
  109. Pioneer 4 Channel QX8000A bridge
  110. X250.5 question
  111. Aleph X PCBs
  112. Little (or big ?) problem with a Zen V9.
  113. The real definition for Supersymmetry
  114. First Watt F1 with Audio Nirvana Super 12?
  115. Threshold T200 - power supply
  116. Aleph 30 - 1nF cap and Square Wave Shape
  117. Wrong Voltage / current on BoZ... or Wrong Measuring ?
  118. first watt f4 help me!!!!
  119. 400A bias adjusting
  120. Need matched IRFP240's, IRFP9240's, 2SK370's... Or not?
  121. another local NS10 & Shiny
  122. Any F4 PCBs left for a new wanna-build-one?
  123. Sheet metal cooling
  124. Ono Bipolar Transistor Replacement
  125. Difference between Aleph J and Aleph J Mini
  126. Son of Zen and heat... The Aleph model?
  127. F3 Power Amplifier
  128. mosfet output for my tube preamplifier
  129. question about quasi nmos500 amplifier schematic?
  130. Aleph 30 - IRF9610 Cooling
  131. Advice for a new amp
  132. F5 article is out
  133. IRF Fets and other parts for sale
  134. my finished version of the Aleph P
  135. Ono Q15, GR or BL
  136. Exploding power cap - Why?
  137. Threshold
  138. Adcom 5800 - Nelson Pass, others
  139. Desparetly seeking for Pass Zen v4 - PCBs !!
  140. IR FET's
  141. Pass XA160 and B&W 802D
  142. The AlephJ-LU
  143. zen #9 WIP
  144. request for Threshold s200 amplifier schematics
  145. ZTX450 vs BC637
  146. R1 & R8 values for A30
  147. Service manual: ALEPH L
  148. Aleph5 (MiniA) in flames
  149. Preamp alternatives for the F3 ?
  150. aleph L+aleph 3+aleph 3
  151. dont be a mug
  152. X350.5
  153. Aleph P1.7 Coupling Cap
  154. Aleph5 Hummmmm
  155. Buying a 400A
  156. amp based partly on pass labs
  157. The Drek builder's thread
  158. Aleph 2 clone powersupply.
  159. Help with Aleph 5
  160. heatsink mounting Q
  161. Aleph 30 PS Help
  162. Aleph J vs. Aleph Mini
  163. X1 preamplifier circuit advice
  164. here we go again - bridging ZV5
  165. Aleph P PCB
  166. F5 power amplifier
  167. blow r27 and r28 mini aleph
  168. Bridged (BTL) A75 Help please
  169. F5 countdown
  170. central tap transformer/mini aleph PSU
  171. Mini-a Versions
  172. Aleph P performance
  173. Matching 9610 for A3
  174. Aleph L Schematic needed.
  175. Power Switch for DIY Aleph 30
  176. Pass Labs Thread 5000
  177. What to build after Bride of Zen?
  178. Aleph 1.2
  179. 100.000 posts! Who?
  180. Aleph 3 how is power 4 ohm
  181. Aleph P+Aleph 3+ Aleph 3
  182. how to use 30 volts DC instead of split power Supply
  183. symmetrical supply PLH amp
  184. Aleph 4 signal leads
  185. a new power supply for Z#9
  186. mutual conductance?
  187. Balanced "SEWA" on steroids
  188. F2 trafo 22vac ? please urgent, thanks
  189. Mini-a Heatsinks Help!!
  190. Pass Discrete Opamp in DIP-8 Package
  191. aleph5 temperature
  192. Pass Labs IP for sale in the Trading Post.
  193. Soundcard and Viusal Analyzer
  194. Long time no seat
  195. Starting a First Watt F3 build and need some help
  196. Wtb Boz Pcb.
  197. what kind of transformer for a Z#9
  198. Simulations in Pass Article
  199. Tube preamp
  200. Aleph P, Balanced Out if unbalanced in?
  201. Mini-A PCB'S
  202. New Pass preamps
  203. J-Low with bigger speakers?
  204. cascoded Boz
  205. the strange couple...
  206. fullrange speakers and Pass labs amps
  207. Bosoz pot, linear or log?
  208. Looking to buy Aleph-X PCBs
  209. Aleph P preamp
  210. Where Are The MINI-A PCB's
  211. Inverting operation of Aleph Amps
  212. Discontinuation of 2SJ74 and 2SK170
  213. PSU for the ZV9
  214. Aleph Mini with JFET input?
  215. Has anyone ever modified a X250.5?
  216. maybe it is time to release a ultimate stereo power amplifier?
  217. Aleph with 2sk1058
  218. aleph x
  219. First Watt F1 Compatible with Passive Preamp (Miller Capacitance)?
  220. XA60.5 - Is there a coupling cap in the signal path ?
  221. Aleph mini one channel not working
  222. increasing ouput on adcom GFP750
  223. Good source switcher
  224. ZERO autotransformers with XA or AX amps?
  225. X250.5
  226. Mr. Pass
  227. Ono/Xono Circuit Experts needed!
  228. forte' 4a
  229. X350/X2.5 power up 'pop' ?
  230. Cascoded Jfet BOZ optimized for large output signals
  231. XA30.5 review on 6moons
  232. F4 Builders in Germany
  233. Pcb for xvr1 ??
  234. Zen V9 builder need help
  235. Tone Control Oscillation problem
  236. setting the bias current for an av400 moule
  237. F4 and DAC?
  238. Passion 15MkII Kit (Pass Zen V5)
  239. Matching ZTX450 across Aleph channels?
  240. HELP Aleph 5 is burned?
  241. Aleph 30 Supply Voltage
  242. Focal Grand Utopia Bi-amplified by Pass Labs X250.5?
  243. Two versions of commercial Aleph 3 ?
  244. Power JFET of ZenV9
  245. Buzz Hum Aleph 5 with computer as source, no good results with GLI
  246. What happened to Brian Gt?
  247. Suitability of mosfets!!
  248. Were are the Aleph series service manuals?
  249. Audio system grounding
  250. XLR Pin 1 question - chassis vs circuit ground

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