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  1. Coping with amp box heat (not heatsink sizing)
  2. A L 1.2 non-inverting preamp
  3. Threshold SA
  4. How to test Mosfet with Multimeter?
  5. Transformer
  6. Pass Design to Drive ESLs?
  7. Super Simple Class A MOSFET Redux
  8. my zen test
  9. Some questions on (X)-ONO
  10. Thank you Nelson
  11. How To Adjust Bias Current?
  12. pre-out
  13. The absolute DC Offset in Aleph-x
  14. Power factor correction
  15. A30 - Finally!
  16. Aleph 30 completed and listened
  17. A75 PSU Mains switching
  18. another BOZ problem....
  19. My Aleph 5
  20. i am ready to build Aleph-X
  21. Be careful about IRF9610
  22. Aleph 60 DIY experience
  23. where is Aleph 60 Service Manual???
  24. Heatsink for the F3
  25. BOZ bias adjustment help
  26. heat sink size, easy calculation.
  27. What's the Idle Current of the F5 Power Amp
  28. Aleph 30's with low sensitivity bookshelf speakers??
  29. Pass D1 I/V for Sabre DAC
  30. Connecting Pass D1 analog stage to a differential DAC
  31. Preamp ideas for F5
  32. Check idle current on PA 7 Nakamichi
  33. Irfp240/9240 A75
  34. Leaving Class A
  35. just made Aleph-3,
  36. Bride of Zen - AudioExpress PCB - Help
  37. Aleph 30: project completed
  38. Just finished a Lightly balanced Zen
  39. Which First Watt amp for the JX92S
  40. sweet sound aleph-3 or Aleph-x?
  41. aleph-3 transistor replace
  42. passdiy.com - what happened to the gallery???
  43. D1 bias currents
  44. 2 * Aleph 30 = an Aleph "60"?
  45. Wanting to build amp
  46. which aleph class A sound is good?
  47. question about Aleph-3 , need help
  48. class A amp using 2sc5200/2sa1943 or 2sa2922/2sa1612
  49. X1 voltage swap
  50. my first step to class A amp -aleph3 3ow.
  51. where to find original aleph circuit diagram?
  52. Aleph P + Aleph 30
  53. Audio Virtues of JFET Transconductance Amplifiers
  54. how to match mosfets for class A amp?
  55. Threshold SA4/e bias
  56. pass lab X02 upgrade idea
  57. Open baffle drivers and FirstWatt amps.
  58. JFET D1 I/V stage for ESS Sabre DAC
  59. B1 Buffer Preamp
  60. which version aleph class -A amp is easy to buld?
  61. Pass Int 150
  62. Worth doing cheap "thermal protection fuses" in hot amps?
  63. El Pipo: Any fresh new ideas?
  64. AlephX High Power version circuit needed
  65. need info for Zen-XA amp
  66. To Mr Nelson Pass - Review33 in Hong Kong
  67. set volume with 50k Pot on Zen V4
  68. PSU for D1 I/V
  69. Ken Ealey Mods????
  70. One box dedicated headamp/preamp.
  71. Hitachi Cap??
  72. Psu caps in Threshold 400A
  73. New to SPICE
  74. full mosfet F5 amplifier
  75. 400A, emitter resistors and bias: I would learn
  76. JFET as 1st stage in PLH
  77. Custom Plitron tranformer for output stage
  78. I/V after amplification using current amp?
  79. X0.2 Preamp advice & circuit
  80. PCB manufacturers with heavy copper
  81. Can this really be Class A & SE?
  82. X150.5 for Sonus Faber Grand Piano Home?
  83. perfect match for 16 ohm Coincident speakers?
  84. How about the ZEN-X??
  85. Aleph X
  86. Pearl PS blowing fuses
  87. Hum left channel on Threshold SA3 (I know its not a pass labs but...)
  88. Aleph XA100.5 specifications
  89. X350.5 or X600
  90. like peanut butter with chocolate
  91. voltages on a zen v.9
  92. PDF about F5 amplifier of Sensei PASS
  93. Search US source of Resistor used in F3 or F4
  94. F4 Type amp but with gain
  95. ZV5 PS layout question
  96. Aleph X strange behaviour
  97. Searching for Threshold schematics once online
  98. Forté Audio Model 3: caps and schematics?
  99. How many supply voltage on Pass X0
  100. Cute little preamp inspired by JBoz/F5
  101. Aleph 5 (4 x IRFP240 per channel)
  102. V2 bridged question
  103. ZV8 Capacitors & Questions
  104. 400A: caps and spareparts
  105. E24 in place of E96 resistors...
  106. Boards V4, F4
  107. Balanced I/C Recommendations
  108. Pioneer 4 Channel QX8000A bridge
  109. X250.5 question
  110. Aleph X PCBs
  111. Little (or big ?) problem with a Zen V9.
  112. The real definition for Supersymmetry
  113. First Watt F1 with Audio Nirvana Super 12?
  114. Threshold T200 - power supply
  115. Aleph 30 - 1nF cap and Square Wave Shape
  116. Wrong Voltage / current on BoZ... or Wrong Measuring ?
  117. first watt f4 help me!!!!
  118. 400A bias adjusting
  119. Need matched IRFP240's, IRFP9240's, 2SK370's... Or not?
  120. another local NS10 & Shiny
  121. Any F4 PCBs left for a new wanna-build-one?
  122. Sheet metal cooling
  123. Ono Bipolar Transistor Replacement
  124. Difference between Aleph J and Aleph J Mini
  125. Son of Zen and heat... The Aleph model?
  126. F3 Power Amplifier
  127. mosfet output for my tube preamplifier
  128. question about quasi nmos500 amplifier schematic?
  129. Aleph 30 - IRF9610 Cooling
  130. Advice for a new amp
  131. F5 article is out
  132. IRF Fets and other parts for sale
  133. my finished version of the Aleph P
  134. Ono Q15, GR or BL
  135. Exploding power cap - Why?
  136. Threshold
  137. Adcom 5800 - Nelson Pass, others
  138. Desparetly seeking for Pass Zen v4 - PCBs !!
  139. IR FET's
  140. Pass XA160 and B&W 802D
  141. The AlephJ-LU
  142. zen #9 WIP
  143. request for Threshold s200 amplifier schematics
  144. ZTX450 vs BC637
  145. R1 & R8 values for A30
  146. Service manual: ALEPH L
  147. Aleph5 (MiniA) in flames
  148. Preamp alternatives for the F3 ?
  149. aleph L+aleph 3+aleph 3
  150. dont be a mug
  151. X350.5
  152. Aleph P1.7 Coupling Cap
  153. Aleph5 Hummmmm
  154. Buying a 400A
  155. amp based partly on pass labs
  156. The Drek builder's thread
  157. Aleph 2 clone powersupply.
  158. Help with Aleph 5
  159. heatsink mounting Q
  160. Aleph 30 PS Help
  161. Aleph J vs. Aleph Mini
  162. X1 preamplifier circuit advice
  163. here we go again - bridging ZV5
  164. Aleph P PCB
  165. F5 power amplifier
  166. blow r27 and r28 mini aleph
  167. Bridged (BTL) A75 Help please
  168. F5 countdown
  169. central tap transformer/mini aleph PSU
  170. Mini-a Versions
  171. Aleph P performance
  172. Matching 9610 for A3
  173. Aleph L Schematic needed.
  174. Power Switch for DIY Aleph 30
  175. Pass Labs Thread 5000
  176. What to build after Bride of Zen?
  177. Aleph 1.2
  178. 100.000 posts! Who?
  179. Aleph 3 how is power 4 ohm
  180. Aleph P+Aleph 3+ Aleph 3
  181. how to use 30 volts DC instead of split power Supply
  182. symmetrical supply PLH amp
  183. Aleph 4 signal leads
  184. a new power supply for Z#9
  185. mutual conductance?
  186. Balanced "SEWA" on steroids
  187. F2 trafo 22vac ? please urgent, thanks
  188. Mini-a Heatsinks Help!!
  189. Pass Discrete Opamp in DIP-8 Package
  190. aleph5 temperature
  191. Pass Labs IP for sale in the Trading Post.
  192. Soundcard and Viusal Analyzer
  193. Long time no seat
  194. Starting a First Watt F3 build and need some help
  195. Wtb Boz Pcb.
  196. what kind of transformer for a Z#9
  197. Simulations in Pass Article
  198. Tube preamp
  199. Aleph P, Balanced Out if unbalanced in?
  200. Mini-A PCB'S
  201. New Pass preamps
  202. J-Low with bigger speakers?
  203. cascoded Boz
  204. the strange couple...
  205. fullrange speakers and Pass labs amps
  206. Bosoz pot, linear or log?
  207. Looking to buy Aleph-X PCBs
  208. Aleph P preamp
  209. Where Are The MINI-A PCB's
  210. Inverting operation of Aleph Amps
  211. Discontinuation of 2SJ74 and 2SK170
  212. PSU for the ZV9
  213. Aleph Mini with JFET input?
  214. Has anyone ever modified a X250.5?
  215. maybe it is time to release a ultimate stereo power amplifier?
  216. Aleph with 2sk1058
  217. aleph x
  218. First Watt F1 Compatible with Passive Preamp (Miller Capacitance)?
  219. XA60.5 - Is there a coupling cap in the signal path ?
  220. Aleph mini one channel not working
  221. increasing ouput on adcom GFP750
  222. Good source switcher
  223. ZERO autotransformers with XA or AX amps?
  224. X250.5
  225. Mr. Pass
  226. Ono/Xono Circuit Experts needed!
  227. forte' 4a
  228. X350/X2.5 power up 'pop' ?
  229. Cascoded Jfet BOZ optimized for large output signals
  230. XA30.5 review on 6moons
  231. F4 Builders in Germany
  232. Pcb for xvr1 ??
  233. Zen V9 builder need help
  234. Tone Control Oscillation problem
  235. setting the bias current for an av400 moule
  236. F4 and DAC?
  237. Passion 15MkII Kit (Pass Zen V5)
  238. Matching ZTX450 across Aleph channels?
  239. HELP Aleph 5 is burned?
  240. Aleph 30 Supply Voltage
  241. Focal Grand Utopia Bi-amplified by Pass Labs X250.5?
  242. Two versions of commercial Aleph 3 ?
  243. Power JFET of ZenV9
  244. Buzz Hum Aleph 5 with computer as source, no good results with GLI
  245. What happened to Brian Gt?
  246. Suitability of mosfets!!
  247. Were are the Aleph series service manuals?
  248. Audio system grounding
  249. XLR Pin 1 question - chassis vs circuit ground
  250. threshold sl10

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