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View Full Version : Pass Labs


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  1. Need advice driving a tube
  2. ZEN amp born on 4th of July
  3. Old Aleph 1.2's
  4. Aleph P 10uf Capacitor Selection Help
  5. New Aleph 1.2's
  6. Amp For Newb
  7. Aleph 5 schematic Q
  8. aleph x power supply question
  9. Look ,my Little Hi-fi
  10. Happy Birthday, Mr. Pass
  11. Pearl - impression and question
  12. Bosoz PSU problem
  13. Newbie needs a little advise!
  14. Aleph-4 Questions
  15. Aleph X option question
  16. Who is this Pass fellow anyway
  17. ZEN V4 cascoding ???
  18. Take a look!
  19. Improvements Pass Labs X 2.5
  20. Thank you for the Chocolates
  21. Threshold NS10
  22. Zen4 owners: What speakers are you using?
  23. Zen V4 C1 and C4
  24. Zen vs. GainKlone
  25. Aleph / Aleph X PCB Help Needed
  26. parallel toroidal X'former
  27. My first FET matching
  28. aleph 5 boards
  29. E/I transformer laminations; why?
  30. PSU for BOZ
  31. power output stage
  32. ZenV2 Hum
  33. ZEN brothers and low efficiency speakers
  34. Alpeh Ono Connector Question
  35. New heatsinks for my upcoming Aleph 5
  36. Threshold sl-10?
  37. Aleph 2 Board Design
  38. EI Vs Toroidal transformers
  39. Balanced line stage gain problem !
  40. Heat
  41. my SOZ with Regulated PSU...
  42. Choice of driver for El Pipe-O
  43. Amplified speakers
  44. to-204(to-3) and to-247
  45. X = bridged = push pull ? ...
  46. to what values I should go with irfp 9610
  47. aleph 5 capacitor rating question ..
  48. Power factor reaction of CLC of CRC filter
  49. Any one built the Penultimate Zen Tube
  50. Building a 5 channel BLS
  51. (x) (x) = N_p
  52. aleph-what number i dont know whether 4 or 5
  53. Parallel Amplifiers ?
  54. Bridge Rectifier Temperature?
  55. aleph 2
  56. 'Evil Twin' of Zen V4
  57. My baby is HOT!!
  58. Another Aleph-X coming up!
  59. Transistor Thoery Help. Thermal Runaway
  60. Aleph 2 problem!Help...
  61. Aleph 2 heasink temp
  62. X-lite
  63. about Aleph P
  64. Will Adcom GFP-750 drive SOZ?
  65. Power MOSFETs -- real or fakes..??
  66. Aleph amp bootstrap - where to go?
  67. Dual FETs for differential pair
  68. Zen Linestages, X and unbalanced operation
  69. any matched transistrors needs to zen v4?
  70. SOZ < 1 watt possible ?
  71. Monolithic SuSy with Dynamic (idle current) ClassA ?
  72. Plitron Lono 2KVA Transformer
  73. Home Entertainment 2003! Attn: San Francisco Bay area residents
  74. X Preamp
  75. Battery powered Balance Line Stage
  76. Dumb Question on Bias Aleph amps
  77. How much is toooooo much?
  78. Yet Another Aleph2!
  79. Hiraga vs. ZEN or SOZ
  80. Foreplay Line Stage Pre-amp
  81. DIY-Pass-OP with only N-Fets ?
  82. Heatsink for SOZ 10W
  83. BrianGT Aleph board Question, C7 and C9
  84. Check Alph Ono inverter stage
  85. Zen v4. wiring problems
  86. Home Theather Bypass relays
  87. newcomer
  88. My new Aleph layout. Comments?
  89. Resistors & doubts ;(
  90. Sorry Nelson, but I have found an error ...
  91. Resistors at Mouser ...
  92. bls / aleph boards
  93. Waveform distortion on Aleph 30!
  94. Need I say more? A60?
  95. voltage doubler for small Aleph?
  96. 2sk1530 for zen v4?
  97. Cascoded designs for old Pass circuits
  98. Zen 4 Amp Coils
  99. diyman
  100. zen v4 pcb pict. needed...
  101. My opinion on Pass Labs and Mr. Pass (Nelson) himself
  102. Industrial AlephX High Power version
  103. question on ground/earth diodes
  104. Xformer for Balanced Preamp.
  105. Nelson
  106. Aleph - Can You Give Me A Hand To Decide Wich One To Build?
  107. chassis
  108. Thanks Karen!
  109. Aleph-x
  110. Tori Amos and me...
  111. Zen V4 power supply
  112. Too hot to handle
  113. 2x25 V toroid for aleph 3?
  114. R29 in Aleph4
  115. HI-END AUDIO clones
  116. Aleph60 question regarding resistors and schematic....
  117. Resistors in Aleph 2
  118. Aleph 5 pcb
  119. PASS-YAX2-JH pcb.
  120. Suggestions on Balanced Line Stage - parts?
  121. No Load Voltage on Zen V4 Power Supply
  122. Aleph ono PCB
  123. Your Results After Bettering Your ALeph(s)
  124. MOSFET temperature
  125. Yep, another Aleph5
  126. Aleph mods for quad 57?
  127. which pass amp for ellis audio 1801b's?
  128. Pearl - after 3.5 hours
  129. Smoke and Fuse problem on Zen V4
  130. Circuit boards For Aleph amps
  131. Amp Logo
  132. Help - Zen V4 electrical short?
  133. Maybe these forums need rearranging?
  134. Shorting balanced inputs?
  135. Aleph 30 voltage gain
  136. Power supply inductors in Aleph
  137. How hot is hot?
  138. Ways to a better BOZ?
  139. Dumb Zen V4 Question
  140. TO-3P vs. TO-247 insulators
  141. Amplifiers problem
  142. Aleph3 to cold?
  143. Zen V4 PCB input and output
  144. Zen v.4 meter
  145. Aleph Ono Swichting Problems
  146. My a40 finally completed
  147. Aleph 30 - fuse blowing
  148. Idea for Cheap Variac
  149. mysterious Zen woofer selection
  150. Aleph L output volume control
  151. First DIY-Alpeh Ono Prototype
  152. Power Supply C-R-C
  153. Pearl help - Calling all cars!
  154. best material for chassis
  155. Choice of output mosfets for Pass A75
  156. Zen driving high impedance loads
  157. Relay volume control kit -- shameless plug
  158. Aleph 3
  159. Aleph 5 finally completed
  160. Aleph internal wiring choices?
  161. X-BOSOZ 1st order inductor filter
  162. Help - Mounting transistor to heatsink
  163. Removing a broken tap!
  164. Woodworking advice for A75 case
  165. A temperature meter for my AX
  166. My Zen V4
  167. Help With Aleph
  168. Unbalanced Buffer Linestage
  169. Standby mode for Aleph series...
  170. Looking for opinons about 5 x Alelph-5 for bedroom HT.
  171. R1, R8 in Aleph 30
  172. budget aleph 5
  173. BOZ replacement parts
  174. zen amp
  175. Pass Zen V4 All parts needed 4 sale
  176. Power switch and blue led questions
  177. Relay or not relay ?
  178. The Claw
  179. SOZ DC Offset question.
  180. X250 review
  181. IRFP240 faliure? Help needed!
  182. Pearl input voltage difference
  183. 2.2mH inductor in Aleph3 Power supply
  184. ZEN question inputImpedance Trimpot etc
  185. Short Aleph2 question
  186. Hammond 159ZL as inductors in a Pi-filter?
  187. Found some nice Aleph power supply chokes today
  188. information request for High/Low Pass
  189. Is this resistor inductive?
  190. I ask for schemas of preamplifiers of class A. Help Ms. Nelson
  191. Zen v4 5pF bypass cap questions.
  192. BOAK Power Supply ?
  193. Aleph 5 by DJG
  194. "Output" resistors(quick Q)?
  195. New Ono up and running
  196. ALEPHA 3 Plan to go into operation.
  197. which pre amp?
  198. BOSOZ balanced connectio
  199. 3W instead of 5W in Aleph 5?
  200. solid state relay
  201. 2SA991 substitution for AlephOno
  202. Another Zen v4 layout
  203. Help Needed on the Aleph 1.2 Mechanical Layout
  204. vu meter
  205. aleph2 case
  206. Aleph 2
  207. Aleph 2
  208. Finally some pics of my Zens
  209. My new Aleph is allmost finished !
  210. Question - Heatsink for Aleph3
  211. Aleph 5 bias
  212. Top ten ways to a better Aleph?
  213. Choosing R in CRC
  214. Question for Nelson Pass
  215. Best amp choice for driving NASTY speaker loads
  216. Aleph 5 PS capacitor choices? - Revisited
  217. Zen 4 uses with Magnepan MG 12s
  218. Ono - 2SK170, Which Idss?
  219. Many questions on Zen V4
  220. Aleph 2 layout
  221. BoSoZ is working.......
  222. BoSoZ R14 to GND ??? (unbalanced)
  223. X-Modul
  224. Help Capacitors for Aleph 3
  225. Aleph 5 PS capacitor choices?
  226. Aleph 30 - C11
  227. Solution for eleminating DC offset at Aleph amp
  228. mosfets
  229. Aleph 60 instead of Aleph 2(newbie)
  230. Aleph 5 playing...
  231. transformer for aleph2
  232. Aleph 5 PCB gerber files
  233. Aleph 5 heatsink guesstimate?
  234. my heatsink calcs for Zen v4
  235. balanced x-Preamp
  236. Chassis for low power class A amplifier
  237. Aleph 1 modification
  238. Zen V4 audio quality
  239. Replacing the Mosfets of the Aleph 2
  240. Aleph 5 tower power finished
  241. Zen amp design
  242. Pearl - ps fuse?
  243. Zen V4 Feedback Loop Extension
  244. Balanced line stage connected to pc with soundcard
  245. 1/4" vs rca jacks
  246. Balanced MM phono stage : When Aleph Ono and Xbosoz meet...
  247. Aleph5 sound
  248. Aleph 5
  249. A-40 or another diy amp recommendation please.
  250. Question about the radiator

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