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  1. PSRR using contant current source in ZEN
  2. Where has the red :cool:button gone?
  3. "pop" noise in relay volume control
  4. fake fwt f5 on ebay aus
  5. Fresh F5 Build
  6. F3 and F1 boards
  7. What Would A NP Tape Preamp Look Like?
  8. Zen Light w BOZ in one case
  9. Favorite Pass Amp Poll Continued
  10. Wiring Attenuator for dual channel Balanced
  11. Favorite Pass Amp Poll
  12. Using B1 in a NAD C350
  13. F5 output voltage problem
  14. Anywhere I can buy Schematics for my Threshold SA3?
  15. Enclosure/cabinet equal to original First Watt
  16. The dumb-O-tron
  17. Square signal on ZEN V9
  18. Amp for Pass B1
  19. THRESHOLD STASIS/500 RUNNING HOT
  20. Recapping Forte 1a any suggestions
  21. Pass JFET Op-amp to MOSFET Push-Pull Follower
  22. Quick direction please for Firstwatt F3 DIY
  23. Pics of my aleph 2 and problems!
  24. ZEN V9 clips !
  25. F3 boards Wanted
  26. My first Passlab - Aleph X 100w
  27. Permission of F5 logo on enclosure
  28. Balanced F5 in a Small Footprint
  29. B1 for auto use
  30. Forte Model 2 Preamp - looking for schematic
  31. AlephX Aleph P and volume doing head in
  32. Parallel B1 buffer possible?
  33. oneplustwo Aleph X build thread
  34. which new preamp for Pass X.5?
  35. Pass Labs XA 60.5
  36. pass labs x2-1
  37. Yet another F5 building log
  38. Thermal IR photos of F5...
  39. L'Amp: A simple SIT Amp and F6
  40. Cut Son of Zen in Half
  41. Celebrating Ten Years DIY
  42. My F5T V3 build
  43. 3-stage Pass Inspired Amp
  44. Nakamichi PA-7E?
  45. From Cree
  46. Strange behavior of my Threshold SL10
  47. My Pearl2 Built
  48. Volume attenuator resistance question
  49. Good preamplifier with tone controllers for F5
  50. Speakers suggestions for F5's
  51. Papa's Zen Lights are no slouch!
  52. Attenuation circuit. What is ideal location?
  53. Stuck on F5 Build power-up...
  54. F5 PSU
  55. X 30.5 or X 150.5? (What would you buy?)
  56. F5 - LED
  57. V9 troubleshooting: SOLVED, some remarks and questions...
  58. Will This Enclosure Work For F5/F6?
  59. Best strategy to convert Aleph 3 to monoblock
  60. "crippled" f4 max psu voltage
  61. Solar-Powered XA30.5?
  62. New Semisouth SiC "JFET Lite"
  63. Trouble on Zen V9
  64. And now for something completely different...
  65. F5 turbo heatsinks
  66. Input Impedance of the Aleph 0s
  67. DeLite-ccs boards
  68. XP 20 relays noise ,
  69. aleph X monoblocks
  70. Mini Aleph and B1
  71. How Hot Is My F5?
  72. So , Generg ........
  73. F5 with BJT at input
  74. B1 buffer DC at output
  75. SIT power jfet
  76. JFET substitution for Pass B1
  77. 7.1 class a sorround system
  78. how change the balance input to unbalance input in PASS amp?
  79. F5 problems
  80. Pearl Phono 1 - diagnostic help please
  81. Zen 9 - Troubleshoot Bad Channel
  82. Fairchild interest alternatives
  83. I need my Aleph J/30 hybrid
  84. Pass Aleph 2 clone alarm this fine AM
  85. RELAY SWITCH VOLUME CONTROL - HELP NEEDED !
  86. My F5 Lives!!!!!!!
  87. Is it wrong in F5 TURBO V3?
  88. Strange DC offset on Aleph 3
  89. Semi'DIY - converting SIT2 to SIT 1
  90. "Reference to A2" what is this product?
  91. Semisouth SiC gate protection?
  92. First Watt J vs. J2
  93. Xs
  94. DIY active crossover using IRF510 or similar?
  95. Aleph P - where F!@?& does my signal go?
  96. Cloned Pass Cases
  97. Depletion mode B1
  98. Dr. Nelsons loudspeakers
  99. F5X Case
  100. Pass circuit to unbalance and buffer?
  101. Triodey transfer curves
  102. F5 Transformer
  103. Aleph 30 the best choice of C1 C2 C3 on brian gt PCB
  104. aleph 1 schematic help!
  105. F5 Semi-Turbo with Lateral Mosfets...
  106. pass labs x2-1
  107. Bride of Zen PCB?
  108. dcB1 active crossover
  109. SIT-1 and SIT-2 owner manuals
  110. BOZ voltage drift
  111. compare with aleph j and f5 amplifier
  112. Need help with current amp
  113. F5 bias
  114. What causes reduced spatial ambience?
  115. BOSOZ for a beginner?
  116. What can I use instead of k170/j74?
  117. jfet output for f4
  118. IRFP9240/240 instead FQA19N20/12P20, OK?
  119. Professor Pass's recommendation for cables
  120. CD-Rainbow For Nelsons Birthday
  121. F5X -- the EUVL Approach - The Build Thread
  122. First Watt M2
  123. F5 Manual Amplifier Samples
  124. PCB for Aleph 3
  125. Pass Headphone Amp
  126. 2SJ74BL Opportunity
  127. Biamping and active crossover questions
  128. BA2/Crippled F4
  129. Heat Sink Heat Sink Sources for Pass Amplifiers
  130. DC Servo Pass D1
  131. Headphone connection to preamp or amp...
  132. Pass kit
  133. Active Crossover Result. Acceptable?
  134. Aleph - balanced (26dB) vs unbalanced input (20dB)
  135. Problem with one Aleph 2 monoblock
  136. Not ready yet, but
  137. Aleph P 1.7 - distortion
  138. Another F5 finished
  139. JBL 4343 studiomonitors and future Pass labs diy amplifier project.
  140. Question on project ALEPH 30
  141. Pass F5 Pair (Spuds)
  142. F5 and Rails Difference
  143. Best Value, $ per watt per channel....
  144. Just starting to learn o-scope, F5 1k square looks funny
  145. Need help - heatsink on S/500 damaged
  146. My Balanced Zen Line Stage
  147. Mini Aleph Build
  148. aleph 5
  149. oneplustwo DCB1 Black, White and Red build thread
  150. Fairchild interest.
  151. LF FQA19N20C and FQA12P20
  152. Aleph-X Waveforms and Questions
  153. Voltage effects on DC offset and bias
  154. 2 ohm performance on Aleph
  155. Mosfet Protection ?
  156. PASS LABS bad service.
  157. F5 Point to Point Power Supply Schematic
  158. 2SK170BL
  159. Buzz noise from Pass amp, not from speakers...
  160. switching power supply.. can't get -24v?
  161. F5 Turbo Builders Thread
  162. Load for FET ten hl
  163. IRF 610 matching
  164. does anyone use these for home theater use?
  165. F2J technical question
  166. F5 or F5turbo?
  167. Question for Nelson: X250 input sensitivity
  168. Did Tech-DIY.com quit selling matched IRF outputs?
  169. Pass Class AB DIY project...
  170. Aleph 60 only works with computer as source
  171. F5 turbo problems
  172. Rebuild / recap Threshold FET10/HL
  173. Threshold M-1 help from Mr. Pass?
  174. Improving a FirstWatt-built F4
  175. Hafler DH-200 to host F5 or BA-2 ?
  176. F5 Turbo Circuit Boards
  177. Another question F5 thread
  178. oneplustwo F5 build thread
  179. F5 Turbo is posted
  180. Pass Pearl 2 MC on Batteries?
  181. Threshold SL10 MK1
  182. Recommendationf for 12h single ended Class A amp with 12V/120A dual Lambda SMPS
  183. several Aleph's in one big case
  184. Single Ended FET for 60W in 4 ohms
  185. Alpeh 5 - minimum speaker impedance load?
  186. pass labs x2-1
  187. Pearl - one channel down
  188. Aleph J front end as pre amp???
  189. Yet another Aleph 5.
  190. Aleph P1.0 caps
  191. What can I build with -+50v rails?
  192. Sound difference between XA100.5 and XA160.5
  193. Bride of Son of Zen potentiometer question
  194. Best isolator for output devices on an F5 ?
  195. Cooking in the kitchen
  196. Threshold SA/3.9e
  197. capacitor panasonic 10uf film
  198. IRF 610
  199. On a common Alplifier Protection board
  200. Pass B1 Buffer
  201. pass labs x2-1
  202. F2J Speakers match
  203. pass labs x2-1
  204. Converting a Threshold S300 to SA/3?
  205. Which active pre-amp for a F5?
  206. Wattage of Pass F5
  207. Firtwatt F5 built - where to buy?
  208. Pass X150 Where does it sit in the overall line up ??
  209. What can I build with +/- 60v rails?
  210. Pass B1 DIY - Need Help
  211. pass labs x2-1
  212. Which boards are these????
  213. F2J parts.
  214. Aleph with BrianGT boards
  215. My 5 watt Son of Zen
  216. F5 Turbo ............. if only !!!!!!
  217. Building first amp - Pass A40
  218. Yup. I'm building an F5! Here are my questions
  219. pass labs x2-1
  220. B1 without output caps
  221. 20 year old A-75 buzzing
  222. Building a Pearl 2
  223. Wanted PASS labs balanced PCB's What to build?
  224. pass labs x2-1
  225. b1 bufferamp in combination with a spectral dma150 poweramp
  226. Hot,Hotter,Hottest
  227. 400A->Aleph->X150 Is this the right way to go?
  228. Aleph J balanced input transformer
  229. WTB: help fixing a humming F5 in MA
  230. Dreaming of a power JFET complimentary pair.
  231. pass labs x2-1
  232. NelsonPass aleph5 PCB (New layout)appreciate
  233. NOStalgia - the all-FET JLH/PLH Class A amplifier
  234. HT rig powered by the designs of the one and only
  235. F-5, Mosfet and jfet availlability.
  236. pass labs x2
  237. Threshold S/550e & SA/4e balanced inputs: a doubt
  238. Double diode bridge in class A Power Amps
  239. B1 with tube rectifier
  240. Can anyone here have A diagram of 700 watts OMEGA Amplifier?
  241. New F6 diy coming soon ?
  242. Hi there!
  243. Interconnects for xa60.5 and xp20 ,
  244. xa60.5 with magnepan3.7
  245. Aleph L question
  246. Help getting started with Pass DIY amp.
  247. Help - Zen4 running too cool
  248. Pass Design Adcom - Filter Cap Problem
  249. Opinions on the X2 rev1
  250. Need a replacement number for the SFE793 Jfet

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