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  1. Zen4 problem
  2. Forte Model 3 advice needed
  3. Fired up my Aleph 30 for the first time tonight...
  4. Aleph testing
  5. Balanced F5 question
  6. All JFET PLH Amplifier
  7. PS Caps
  8. Quick heatsink question
  9. Anyone Interested in Aleph PCBs?
  10. Transformer Screen & Signal Grounding Issues
  11. Pass F2
  12. Threshold S/500 power supply electrolytic replacement
  13. Thermistor Selection
  14. Return of Zen Input Scaling
  15. Aleph 4 Strickly DIY Project Build
  16. F5 where is the 4th harmonic
  17. New Nelson Build dubbed the Arch Nemesis
  18. jboz J310, 12volts, question about Drain R
  19. New guy here... My trusty 400a died...
  20. B5 caught in the wild :)
  21. F5 on batteries
  22. A question for Nelson Pass
  23. Aleph2 project
  24. Adcom gfa555 upgrade
  25. Want to build a Pass lab design....help desired
  26. AVX polypropylene film caps
  27. Aleph 3 input fets - How hot?
  28. F5 Preamp Simulation Shoot Out
  29. Would you guys mind giving me some input on my Aleph 5 PCB design?
  30. F5 Cascode and parallel output device questions
  31. Watt Meter
  32. Aleph J input capacitor (C1)
  33. passive noble 10k preamp loud buzz
  34. Building an Aleph 5...two quick questions
  35. Blown outputs (maybe?) in my Forte' 3 amp.
  36. Power supply connections
  37. Pearl Phono strange working
  38. amp selection?
  39. Troulbleshooting BOZ-J
  40. Other DIY Pass pre amps
  41. Amplifier Utilizing Two-Stage-Included Local Negative
  42. DC Couple X150.5?
  43. Thermistors and the F5
  44. Nakamichi TA-3A Tuner problem
  45. B 5 crossover
  46. Zen² MOSFET SRPP Power Amplifier
  47. Another GFA-555 With high dc offset
  48. Best Firstwatt amp for backloaded horns?
  49. F-5 Power Supply part Question
  50. A question about Push-pull class-a
  51. Modified Dual Differential F5
  52. Nelson Pass Aleph 5 - Heatsinks
  53. BoZ versus BosoZ
  54. f4 parts substitution
  55. Hoping somebody can help with De-Lite build?
  56. HELP: Trivial Balance Control for Balanced B1
  57. Fave Amp: Breadth
  58. pcb
  59. Alpeh 5 ???
  60. Aleph 4 - the right amp?
  61. X150.5 overheating (maybe)
  62. B-1 assembly, Pass boards and PEC pots
  63. Pass ONO or XONO PCB???
  64. F2 and F5 heat question
  65. Aleph 5 ,go..........
  66. Firstwatt F1J
  67. Anyone has experience on the Pass Labs X260.5 vs X350.5
  68. Value of Nakamichi PA-7 power amp?
  69. F5 - how to reduce bandwidth response
  70. SemiSouth Donuts
  71. My new members Show f 5 amp
  72. Which Pass Aleph diy board choose for no compromise headphone amplifier?
  73. input selector
  74. F2 Zen Type
  75. 400A VU meter
  76. B1 buffer w/out volume controls
  77. Biasing and cascoding questions
  78. Mosfet Citation 12 - Negative swing clip first
  79. First Watt kits? Projects?
  80. F4 sweet spot...
  81. pass-d : zen using a switched constant current source
  82. Pass X350 voltage & current
  83. F5
  84. Looking for a capacitor
  85. Mini-Aleph-J Question
  86. Hello, again, and and a request for help for a failing memory.
  87. s150 blown neg rail fuse
  88. F5 with 2SK2013/2SJ313
  89. Bi-amping question
  90. Something for us.
  91. New (to me) Threshold FET-10 HL (What to refurbish?)
  92. "Reference" amplifier
  93. Gold plated TO3 BjT's from the late 50's for Single Ended Pure Class-A Power Audio
  94. FET 10/HL to drive headphones?
  95. convert aleph 2 to aleph j
  96. convert a2 to aj
  97. Hum in Balanced Mode in Balanzed Bride Of Zen
  98. F3 vs J2 for a SET guy
  99. Aleph 3
  100. Playing with Nelson's puzzle.
  101. Bride of Zen setup and suggestions
  102. IRFP240 from eBay - real or fake?
  103. J-Low Horn Scaling
  104. woofer recommendations for F5 amplifier
  105. Pictures of your diy Pass amplifier
  106. Strange little circuit
  107. F4 power supply
  108. Balanced Zen Line Stage
  109. Aleph P with balanced shunt attenuator
  110. Zen Extension
  111. B1 buffer volume problem
  112. A little help needed with a Pass Aleph 30
  113. Aleph P1.7
  114. How different is the Nakamichi PA-7 from a Threshold Stasis?
  115. RIAA caps for Pearl and Pearl 2
  116. New First Watt Site
  117. Penultimate Zen V4 Input Fet's Question
  118. NP in Seattle May 20
  119. new SemiSouth SJDP120R085 "normally on" JFET
  120. Anyone Looking For A F5 Toroid?
  121. A blast from the past .. PAPA1
  122. Zen9-like Preamp for Power Followers
  123. New caps for my SL-10: which one?
  124. f5 power up issue
  125. grounding issue with F1
  126. IRFP9240 Fairchild where to buy it?
  127. Boiled Water Buffer
  128. sic NPN (SAND) upgrade for D1B1??
  129. Pass Labs B4 crossover questions
  130. 400A Overheat ??
  131. strange behaviuor of F5
  132. Case for a PASS amp
  133. Nakamichi PA-7 and PA-5 amps
  134. Forte Model 1 needs new toroid transformer I think...
  135. 10 uf Aeon cap availability for B-1?
  136. output impedance of Pearl ?
  137. Use Mercury-vapored Lamps for Zen-Enlightment?
  138. Building the "CodeNelson" Power Amp
  139. Mica Insulators for Toshiba 2SJ201 & 2SK1530?
  140. Trojan warnings?
  141. looking for the PCB 22kw amp
  142. Difference in B1's
  143. This is some FET !!!
  144. an absolutelly pass labs off topic
  145. Toshiba 2sk174BL at Mouser
  146. B1 and impedance matching?
  147. Class A mosfet idle issue
  148. X2_Preamp quetion
  149. UGS preamp for sale?!
  150. It works and doesn't Hum!
  151. Dynamic Bias - Active Bias - Automatic/Self biased - Overview wanted
  152. J-JLH or PLH-J ?
  153. Swapping Threshold S & SA frontboards.
  154. B1 question
  155. Fairchild Amplifier A00-6
  156. Spare faceplate for S/500 ?
  157. Help needed
  158. Which resistors to use???
  159. b 1 buffer
  160. VU-meter for BOSOZ
  161. F3 vs. ZV9 - the differences...
  162. question on very high input impedance for B1
  163. WTB : Power Supply Board for ONO Phono preamp Clone (From Group Buy)
  164. Threshold S 300/II Main Caps Replace
  165. Dealing with Schuro.de
  166. Threshold FET ONE Series II aka FET1 MKII
  167. Subwoofer to Aleph-X
  168. No Feedback amp for Fountek NEO CD3 ?
  169. Tiny Vifa tweeter question
  170. 110 to 220volt conversion?
  171. Bias adjusting on Threshold SA4/e
  172. So, this is my Quad ZV9!
  173. Dear Dr. Nelson Pass
  174. Pass Aleph P 1.7 help
  175. passlabs B1 buffer and buffalo 2 dac
  176. SPICE model for Lovoltech LD1107N
  177. Aleph 30 PCBs FS?
  178. Best Power Supply for Pass Labs Aleph (X)Ono
  179. amp recommendation
  180. Rail voltage
  181. Aleph 1
  182. F3 - Small humming noise, how to get rid of it
  183. Mini Aleph Power Supply
  184. Pass 250.5 oscillation?
  185. DIY pass amp for MJK OB
  186. Aleph 30 transformer hum
  187. 6-channel X250 build
  188. supermosfets!
  189. Thoughts for replacing the scarce 2SK389 in the pearl
  190. Which amp should I built for my 16 ohm speakers?
  191. Aleph 30 transistors
  192. Ultimate sounded ZEN (Var I) vs good sounded used Aleph 5
  193. New Amp "ULTRASYMMETRY" from Nelson Pass - still a Concept Amplifier?
  194. Is it possible to connect both XLR and RCA inputs at the same time into an Aleph 5
  195. 2Sj109's available on Ebay for 7.80 a pop.
  196. Another T-400a question (sorry)
  197. D1 with high transconductance FET?
  198. Datasheets for Lovoltech LD1107N
  199. BA-1 relay & power questions
  200. scaling down F4
  201. Source Followers and gain - ignorance requests instruction!
  202. XA100.5 Slew Rate
  203. Restoring a Threshold SL10
  204. Trouble Shooting an F1
  205. Aleph 3
  206. Upscaling Aleph-J SRPP tp 100W
  207. Looking for a X5!
  208. F5 meets Buzquito
  209. Fet Tutorial
  210. Building an Aleph 3. Should I bypass the feedback capacitor?
  211. Class A solid state single ended
  212. Aleph P v1.7 Muting Circuit
  213. Pass XA 100.5 with Premier Power Plant?
  214. Starting an F1 for the first time...
  215. F2,J2,F3,F5 amps and driver layout
  216. Threshold 400 help
  217. Aleph L with potentiometer
  218. Blown Transformer?
  219. Aleph Current Source Mod
  220. Repairing My Penultimate Zen V4
  221. F2 amp and psu pcb?
  222. foil inducers
  223. First Watt M2
  224. The ultimate Inrush Current Limiter Solution for large Toroidal Transformers
  225. Buffer Preamp with Shunt PS
  226. First Watt F5 vs Aleph 5
  227. Fortè model 3 schematic
  228. A bjt Bride of Zen
  229. 2SJ109 and 2SJ74 in GR version???
  230. B1 PSSR Question and idea
  231. Snow De-Lite
  232. F2 Set Up
  233. FYI: Toshiba 2SK1529/2SJ200 reached EOL
  234. Threshold SA and Pass X series
  235. Nakamichi PA7II Blowing output transistors.
  236. SuSy Circlotron - jFET input Buffer + OPA1632 + 2SK135
  237. Fet-10 HE transformer secondaries
  238. Chokes for SE class A
  239. Semisouth SiC JFETs: SJEP120R100 or SJEP170R550 better for building amp?
  240. F2 internal wiring
  241. Citation 12 Schematic
  242. Pass D1 ???C40 and C55???
  243. Problem with threshol t-100
  244. What are, and what to do with, these NOS/used caps?
  245. semisouth for bosoz?!?
  246. Aleph 30 Power Supply
  247. Testing a Mosfet
  248. Threshold amps DC Protected
  249. Forte model 2: worth to change caps?
  250. Pass DIYers

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