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  1. Help with irfp240
  2. An IV amp using the BS170R mosfet
  3. Nakamichi PA-5 and PA-7 Design Help Requested
  4. A40 parts
  5. DIY Speaker Suggestions to use with F5
  6. Which Pass DIY amp for lowest heat + power useage?
  7. My fist Pass Amp
  8. Semisouth Aleph J?
  9. Trouble with point to point F5
  10. Mezmerize DCB1 Building Thread
  11. New Line Stage
  12. what aleph disign is best to drive thiel cs3.7?
  13. F1 Help
  14. Bi-Polar Capacitor Help Needed
  15. Pre-Amplifier Aleph P 1.7 - why Attenuator Network after the Gain Stage?
  16. super symmetry seeking ideas
  17. Bass-ackward amp selection...
  18. What is "Pass Labs"
  19. Lame Amp Question - X'ing, Balanced Input, same as Bridging?
  20. Install a VU meter in Aleph 1.2
  21. Threshold 400A Looking for advice on restoration
  22. Looking for Threshold FET 10/e in silver
  23. UGS-DC offset
  24. New A40 built but -30V in R. channel
  25. Pass Labs amp combination for Thiel speakers, need Mr Pass' advice ! And everyone...
  26. Regulating first stage of a First Watt amplifier
  27. Pass Labs Loudspeakers
  28. aleph 5 or x
  29. Bride of Zen assembly question
  30. From whats what and which to Nirvana
  31. Found a pair of Aleph 1.0 and 1.2 shall I buy?
  32. F5 clone by Suds
  33. Which transistors?
  34. welding on the aleph 2 pcbs
  35. FET10e Channel Noise
  36. My Aleph 5 MK II Power Amplifier
  37. Mosfet testing
  38. Threshold Amplifier - Overview and Schematic Collection of all Models
  39. Threshold Fet One
  40. CheffDeGaar UGS preamp vs other or Borbely
  41. More FET noise measurements (for EUVL)
  42. Penultimate Zen transformer
  43. Best symmetrical PSU for B1 buffer
  44. I would like to see what we can do to help Zen Mod attend Burning Amp 2011
  45. help with Mini-Aleph/Aleph 30
  46. My Dream Aleph 2 Coming True
  47. Indcutor in CRC filter of PSU
  48. Switch & Volume control needed...
  49. Voltage output issue with B1
  50. PAPA'S KOAN ....... was Papa's Surprise
  51. Can this circuit using B1 buffers be simplified
  52. AM I Planning for disaster??
  53. Complete Novice Needs Help
  54. 2SJ109
  55. Is the F1 dead?
  56. seperate regulated front end for f4
  57. Display problem with Pass X1
  58. "CA-10", new Single Ended Power amp Device based on Aleph or ZEN ?
  59. capacitor
  60. Need service manual Sony
  61. A Zen I/V variant for the Saber DAC
  62. Capacitors Aging Pass X0
  63. ALEPH2
  64. Just wondering if Vic is....
  65. Pass amps for my tannoy monitor golds?
  66. 314159265358979323846264.... good rasons why?
  67. what to do whit this ??
  68. Threshold S/300
  69. Power output into 4 ohms
  70. Suggest me a preamp for my F4!
  71. Whats what and which
  72. BABY MONITOR OVER VOLTAGE APPLIED
  73. I fried someting on my F5...ugh
  74. citation 12 irf 130
  75. Pass mosfet citation 12 clone
  76. Voltage regulation on F5 power supply?
  77. speaker cone expand and contract when power on SA-3
  78. Transformer output for zen I/V
  79. FS: F5 Heatsinks
  80. MF Citation12 - MF gate resistor value
  81. Bosoz or another line stage in front of crossover with B1 buffers
  82. Threshold SA/1 diagram or Service Manual
  83. Recommend a project to fit in a Counterpoint SA100 chassis
  84. Heatsink at 2SJ109 in Aleph J
  85. Zen I/V Converter
  86. convert aleph 2 to pre for f4
  87. F5 with IRFP9140
  88. Matching IRFP244 MOS-FETs
  89. How does the current source work in a single-ended amp ?
  90. ZVP3310 - Good choice as input fet for Aleph 30
  91. Impasse with the F-5?
  92. Aleph amp questions
  93. Zen4 problem
  94. Forte Model 3 advice needed
  95. Fired up my Aleph 30 for the first time tonight...
  96. Aleph testing
  97. Balanced F5 question
  98. All JFET PLH Amplifier
  99. PS Caps
  100. Quick heatsink question
  101. Anyone Interested in Aleph PCBs?
  102. Transformer Screen & Signal Grounding Issues
  103. Pass F2
  104. Threshold S/500 power supply electrolytic replacement
  105. Thermistor Selection
  106. Return of Zen Input Scaling
  107. Aleph 4 Strickly DIY Project Build
  108. F5 where is the 4th harmonic
  109. New Nelson Build dubbed the Arch Nemesis
  110. jboz J310, 12volts, question about Drain R
  111. New guy here... My trusty 400a died...
  112. B5 caught in the wild :)
  113. F5 on batteries
  114. A question for Nelson Pass
  115. Aleph2 project
  116. Adcom gfa555 upgrade
  117. Want to build a Pass lab design....help desired
  118. AVX polypropylene film caps
  119. Aleph 3 input fets - How hot?
  120. F5 Preamp Simulation Shoot Out
  121. Would you guys mind giving me some input on my Aleph 5 PCB design?
  122. F5 Cascode and parallel output device questions
  123. Watt Meter
  124. Aleph J input capacitor (C1)
  125. passive noble 10k preamp loud buzz
  126. Building an Aleph 5...two quick questions
  127. Blown outputs (maybe?) in my Forte' 3 amp.
  128. Power supply connections
  129. Pearl Phono strange working
  130. amp selection?
  131. Troulbleshooting BOZ-J
  132. Other DIY Pass pre amps
  133. Amplifier Utilizing Two-Stage-Included Local Negative
  134. DC Couple X150.5?
  135. Thermistors and the F5
  136. Nakamichi TA-3A Tuner problem
  137. B 5 crossover
  138. Zenē MOSFET SRPP Power Amplifier
  139. Another GFA-555 With high dc offset
  140. Best Firstwatt amp for backloaded horns?
  141. F-5 Power Supply part Question
  142. A question about Push-pull class-a
  143. Modified Dual Differential F5
  144. Nelson Pass Aleph 5 - Heatsinks
  145. BoZ versus BosoZ
  146. f4 parts substitution
  147. Hoping somebody can help with De-Lite build?
  148. HELP: Trivial Balance Control for Balanced B1
  149. Fave Amp: Breadth
  150. pcb
  151. Alpeh 5 ???
  152. Aleph 4 - the right amp?
  153. X150.5 overheating (maybe)
  154. B-1 assembly, Pass boards and PEC pots
  155. Pass ONO or XONO PCB???
  156. F2 and F5 heat question
  157. Aleph 5 ,go..........
  158. Firstwatt F1J
  159. Anyone has experience on the Pass Labs X260.5 vs X350.5
  160. Value of Nakamichi PA-7 power amp?
  161. F5 - how to reduce bandwidth response
  162. SemiSouth Donuts
  163. My new members Show f 5 amp
  164. Which Pass Aleph diy board choose for no compromise headphone amplifier?
  165. input selector
  166. F2 Zen Type
  167. 400A VU meter
  168. B1 buffer w/out volume controls
  169. Biasing and cascoding questions
  170. Mosfet Citation 12 - Negative swing clip first
  171. First Watt kits? Projects?
  172. F4 sweet spot...
  173. pass-d : zen using a switched constant current source
  174. Pass X350 voltage & current
  175. F5
  176. Looking for a capacitor
  177. Mini-Aleph-J Question
  178. Hello, again, and and a request for help for a failing memory.
  179. s150 blown neg rail fuse
  180. F5 with 2SK2013/2SJ313
  181. Bi-amping question
  182. Something for us.
  183. New (to me) Threshold FET-10 HL (What to refurbish?)
  184. "Reference" amplifier
  185. Gold plated TO3 BjT's from the late 50's for Single Ended Pure Class-A Power Audio
  186. FET 10/HL to drive headphones?
  187. convert aleph 2 to aleph j
  188. convert a2 to aj
  189. Hum in Balanced Mode in Balanzed Bride Of Zen
  190. F3 vs J2 for a SET guy
  191. Aleph 3
  192. Playing with Nelson's puzzle.
  193. Bride of Zen setup and suggestions
  194. IRFP240 from eBay - real or fake?
  195. J-Low Horn Scaling
  196. woofer recommendations for F5 amplifier
  197. Pictures of your diy Pass amplifier
  198. Strange little circuit
  199. F4 power supply
  200. Balanced Zen Line Stage
  201. Aleph P with balanced shunt attenuator
  202. Zen Extension
  203. B1 buffer volume problem
  204. A little help needed with a Pass Aleph 30
  205. Aleph P1.7
  206. How different is the Nakamichi PA-7 from a Threshold Stasis?
  207. RIAA caps for Pearl and Pearl 2
  208. New First Watt Site
  209. Penultimate Zen V4 Input Fet's Question
  210. NP in Seattle May 20
  211. new SemiSouth SJDP120R085 "normally on" JFET
  212. Anyone Looking For A F5 Toroid?
  213. A blast from the past .. PAPA1
  214. Zen9-like Preamp for Power Followers
  215. New caps for my SL-10: which one?
  216. f5 power up issue
  217. grounding issue with F1
  218. IRFP9240 Fairchild where to buy it?
  219. Boiled Water Buffer
  220. sic NPN (SAND) upgrade for D1B1??
  221. Pass Labs B4 crossover questions
  222. 400A Overheat ??
  223. strange behaviuor of F5
  224. Case for a PASS amp
  225. Nakamichi PA-7 and PA-5 amps
  226. Forte Model 1 needs new toroid transformer I think...
  227. 10 uf Aeon cap availability for B-1?
  228. output impedance of Pearl ?
  229. Use Mercury-vapored Lamps for Zen-Enlightment?
  230. Building the "CodeNelson" Power Amp
  231. Mica Insulators for Toshiba 2SJ201 & 2SK1530?
  232. Trojan warnings?
  233. looking for the PCB 22kw amp
  234. Difference in B1's
  235. This is some FET !!!
  236. an absolutelly pass labs off topic
  237. Toshiba 2sk174BL at Mouser
  238. B1 and impedance matching?
  239. Class A mosfet idle issue
  240. X2_Preamp quetion
  241. UGS preamp for sale?!
  242. It works and doesn't Hum!
  243. Dynamic Bias - Active Bias - Automatic/Self biased - Overview wanted
  244. J-JLH or PLH-J ?
  245. Swapping Threshold S & SA frontboards.
  246. B1 question
  247. Fairchild Amplifier A00-6
  248. Spare faceplate for S/500 ?
  249. Help needed
  250. Which resistors to use???

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