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  1. Balanced F5 question
  2. All JFET PLH Amplifier
  3. PS Caps
  4. Quick heatsink question
  5. Anyone Interested in Aleph PCBs?
  6. Transformer Screen & Signal Grounding Issues
  7. Pass F2
  8. Threshold S/500 power supply electrolytic replacement
  9. Thermistor Selection
  10. Return of Zen Input Scaling
  11. Aleph 4 Strickly DIY Project Build
  12. F5 where is the 4th harmonic
  13. New Nelson Build dubbed the Arch Nemesis
  14. jboz J310, 12volts, question about Drain R
  15. New guy here... My trusty 400a died...
  16. B5 caught in the wild :)
  17. F5 on batteries
  18. A question for Nelson Pass
  19. Aleph2 project
  20. Adcom gfa555 upgrade
  21. Want to build a Pass lab design....help desired
  22. AVX polypropylene film caps
  23. Aleph 3 input fets - How hot?
  24. F5 Preamp Simulation Shoot Out
  25. Would you guys mind giving me some input on my Aleph 5 PCB design?
  26. F5 Cascode and parallel output device questions
  27. Watt Meter
  28. Aleph J input capacitor (C1)
  29. passive noble 10k preamp loud buzz
  30. Building an Aleph 5...two quick questions
  31. Blown outputs (maybe?) in my Forte' 3 amp.
  32. Power supply connections
  33. Pearl Phono strange working
  34. amp selection?
  35. Troulbleshooting BOZ-J
  36. Other DIY Pass pre amps
  37. Amplifier Utilizing Two-Stage-Included Local Negative
  38. DC Couple X150.5?
  39. Thermistors and the F5
  40. Nakamichi TA-3A Tuner problem
  41. B 5 crossover
  42. Zen² MOSFET SRPP Power Amplifier
  43. Another GFA-555 With high dc offset
  44. Best Firstwatt amp for backloaded horns?
  45. F-5 Power Supply part Question
  46. A question about Push-pull class-a
  47. Modified Dual Differential F5
  48. Nelson Pass Aleph 5 - Heatsinks
  49. BoZ versus BosoZ
  50. f4 parts substitution
  51. Hoping somebody can help with De-Lite build?
  52. HELP: Trivial Balance Control for Balanced B1
  53. Fave Amp: Breadth
  54. pcb
  55. Alpeh 5 ???
  56. Aleph 4 - the right amp?
  57. X150.5 overheating (maybe)
  58. B-1 assembly, Pass boards and PEC pots
  59. Pass ONO or XONO PCB???
  60. F2 and F5 heat question
  61. Aleph 5 ,go..........
  62. Firstwatt F1J
  63. Anyone has experience on the Pass Labs X260.5 vs X350.5
  64. Value of Nakamichi PA-7 power amp?
  65. F5 - how to reduce bandwidth response
  66. SemiSouth Donuts
  67. My new members Show f 5 amp
  68. Which Pass Aleph diy board choose for no compromise headphone amplifier?
  69. input selector
  70. F2 Zen Type
  71. 400A VU meter
  72. B1 buffer w/out volume controls
  73. Biasing and cascoding questions
  74. Mosfet Citation 12 - Negative swing clip first
  75. First Watt kits? Projects?
  76. F4 sweet spot...
  77. pass-d : zen using a switched constant current source
  78. Pass X350 voltage & current
  79. F5
  80. Looking for a capacitor
  81. Mini-Aleph-J Question
  82. Hello, again, and and a request for help for a failing memory.
  83. s150 blown neg rail fuse
  84. F5 with 2SK2013/2SJ313
  85. Bi-amping question
  86. Something for us.
  87. New (to me) Threshold FET-10 HL (What to refurbish?)
  88. "Reference" amplifier
  89. Gold plated TO3 BjT's from the late 50's for Single Ended Pure Class-A Power Audio
  90. FET 10/HL to drive headphones?
  91. convert aleph 2 to aleph j
  92. convert a2 to aj
  93. Hum in Balanced Mode in Balanzed Bride Of Zen
  94. F3 vs J2 for a SET guy
  95. Aleph 3
  96. Playing with Nelson's puzzle.
  97. Bride of Zen setup and suggestions
  98. IRFP240 from eBay - real or fake?
  99. J-Low Horn Scaling
  100. woofer recommendations for F5 amplifier
  101. Pictures of your diy Pass amplifier
  102. Strange little circuit
  103. F4 power supply
  104. Balanced Zen Line Stage
  105. Aleph P with balanced shunt attenuator
  106. Zen Extension
  107. B1 buffer volume problem
  108. A little help needed with a Pass Aleph 30
  109. Aleph P1.7
  110. How different is the Nakamichi PA-7 from a Threshold Stasis?
  111. RIAA caps for Pearl and Pearl 2
  112. New First Watt Site
  113. Penultimate Zen V4 Input Fet's Question
  114. NP in Seattle May 20
  115. new SemiSouth SJDP120R085 "normally on" JFET
  116. Anyone Looking For A F5 Toroid?
  117. A blast from the past .. PAPA1
  118. Zen9-like Preamp for Power Followers
  119. New caps for my SL-10: which one?
  120. f5 power up issue
  121. grounding issue with F1
  122. IRFP9240 Fairchild where to buy it?
  123. Boiled Water Buffer
  124. sic NPN (SAND) upgrade for D1B1??
  125. Pass Labs B4 crossover questions
  126. 400A Overheat ??
  127. strange behaviuor of F5
  128. Case for a PASS amp
  129. Nakamichi PA-7 and PA-5 amps
  130. Forte Model 1 needs new toroid transformer I think...
  131. 10 uf Aeon cap availability for B-1?
  132. output impedance of Pearl ?
  133. Use Mercury-vapored Lamps for Zen-Enlightment?
  134. Building the "CodeNelson" Power Amp
  135. Mica Insulators for Toshiba 2SJ201 & 2SK1530?
  136. Trojan warnings?
  137. looking for the PCB 22kw amp
  138. Difference in B1's
  139. This is some FET !!!
  140. an absolutelly pass labs off topic
  141. Toshiba 2sk174BL at Mouser
  142. B1 and impedance matching?
  143. Class A mosfet idle issue
  144. X2_Preamp quetion
  145. UGS preamp for sale?!
  146. It works and doesn't Hum!
  147. Dynamic Bias - Active Bias - Automatic/Self biased - Overview wanted
  148. J-JLH or PLH-J ?
  149. Swapping Threshold S & SA frontboards.
  150. B1 question
  151. Fairchild Amplifier A00-6
  152. Spare faceplate for S/500 ?
  153. Help needed
  154. Which resistors to use???
  155. b 1 buffer
  156. VU-meter for BOSOZ
  157. F3 vs. ZV9 - the differences...
  158. question on very high input impedance for B1
  159. WTB : Power Supply Board for ONO Phono preamp Clone (From Group Buy)
  160. Threshold S 300/II Main Caps Replace
  161. Dealing with Schuro.de
  162. Threshold FET ONE Series II aka FET1 MKII
  163. Subwoofer to Aleph-X
  164. No Feedback amp for Fountek NEO CD3 ?
  165. Tiny Vifa tweeter question
  166. 110 to 220volt conversion?
  167. Bias adjusting on Threshold SA4/e
  168. So, this is my Quad ZV9!
  169. Dear Dr. Nelson Pass
  170. Pass Aleph P 1.7 help
  171. passlabs B1 buffer and buffalo 2 dac
  172. SPICE model for Lovoltech LD1107N
  173. Aleph 30 PCBs FS?
  174. Best Power Supply for Pass Labs Aleph (X)Ono
  175. amp recommendation
  176. Rail voltage
  177. Aleph 1
  178. F3 - Small humming noise, how to get rid of it
  179. Mini Aleph Power Supply
  180. Pass 250.5 oscillation?
  181. DIY pass amp for MJK OB
  182. Aleph 30 transformer hum
  183. 6-channel X250 build
  184. supermosfets!
  185. Thoughts for replacing the scarce 2SK389 in the pearl
  186. Which amp should I built for my 16 ohm speakers?
  187. Aleph 30 transistors
  188. Ultimate sounded ZEN (Var I) vs good sounded used Aleph 5
  189. New Amp "ULTRASYMMETRY" from Nelson Pass - still a Concept Amplifier?
  190. Is it possible to connect both XLR and RCA inputs at the same time into an Aleph 5
  191. 2Sj109's available on Ebay for 7.80 a pop.
  192. Another T-400a question (sorry)
  193. D1 with high transconductance FET?
  194. Datasheets for Lovoltech LD1107N
  195. BA-1 relay & power questions
  196. scaling down F4
  197. Source Followers and gain - ignorance requests instruction!
  198. XA100.5 Slew Rate
  199. Restoring a Threshold SL10
  200. Trouble Shooting an F1
  201. Aleph 3
  202. Upscaling Aleph-J SRPP tp 100W
  203. Looking for a X5!
  204. F5 meets Buzquito
  205. Fet Tutorial
  206. Building an Aleph 3. Should I bypass the feedback capacitor?
  207. Class A solid state single ended
  208. Aleph P v1.7 Muting Circuit
  209. Pass XA 100.5 with Premier Power Plant?
  210. Starting an F1 for the first time...
  211. F2,J2,F3,F5 amps and driver layout
  212. Threshold 400 help
  213. Aleph L with potentiometer
  214. Blown Transformer?
  215. Aleph Current Source Mod
  216. Repairing My Penultimate Zen V4
  217. F2 amp and psu pcb?
  218. foil inducers
  219. First Watt M2
  220. The ultimate Inrush Current Limiter Solution for large Toroidal Transformers
  221. Buffer Preamp with Shunt PS
  222. First Watt F5 vs Aleph 5
  223. Fortè model 3 schematic
  224. A bjt Bride of Zen
  225. 2SJ109 and 2SJ74 in GR version???
  226. B1 PSSR Question and idea
  227. Snow De-Lite
  228. F2 Set Up
  229. FYI: Toshiba 2SK1529/2SJ200 reached EOL
  230. Threshold SA and Pass X series
  231. Nakamichi PA7II Blowing output transistors.
  232. SuSy Circlotron - jFET input Buffer + OPA1632 + 2SK135
  233. Fet-10 HE transformer secondaries
  234. Chokes for SE class A
  235. Semisouth SiC JFETs: SJEP120R100 or SJEP170R550 better for building amp?
  236. F2 internal wiring
  237. Citation 12 Schematic
  238. Pass D1 ???C40 and C55???
  239. Problem with threshol t-100
  240. What are, and what to do with, these NOS/used caps?
  241. semisouth for bosoz?!?
  242. Aleph 30 Power Supply
  243. Testing a Mosfet
  244. Threshold amps DC Protected
  245. Forte model 2: worth to change caps?
  246. Pass DIYers
  247. signal ground on X.5 amplifiers
  248. THRESHOLD CAS-2 poweramp.
  249. Troubleshooting a Pearl phono, anyone up for it?
  250. a question of speaker for ampli xa160.5

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