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  1. F3 and F1 boards
  2. What Would A NP Tape Preamp Look Like?
  3. Zen Light w BOZ in one case
  4. Favorite Pass Amp Poll Continued
  5. Wiring Attenuator for dual channel Balanced
  6. Favorite Pass Amp Poll
  7. Using B1 in a NAD C350
  8. F5 output voltage problem
  9. Anywhere I can buy Schematics for my Threshold SA3?
  10. Enclosure/cabinet equal to original First Watt
  11. The dumb-O-tron
  12. Square signal on ZEN V9
  13. Amp for Pass B1
  14. THRESHOLD STASIS/500 RUNNING HOT
  15. Recapping Forte 1a any suggestions
  16. Pass JFET Op-amp to MOSFET Push-Pull Follower
  17. Quick direction please for Firstwatt F3 DIY
  18. Pics of my aleph 2 and problems!
  19. ZEN V9 clips !
  20. F3 boards Wanted
  21. My first Passlab - Aleph X 100w
  22. Permission of F5 logo on enclosure
  23. Balanced F5 in a Small Footprint
  24. B1 for auto use
  25. Forte Model 2 Preamp - looking for schematic
  26. AlephX Aleph P and volume doing head in
  27. Parallel B1 buffer possible?
  28. oneplustwo Aleph X build thread
  29. which new preamp for Pass X.5?
  30. Pass Labs XA 60.5
  31. pass labs x2-1
  32. Yet another F5 building log
  33. Thermal IR photos of F5...
  34. L'Amp: A simple SIT Amp and F6
  35. Cut Son of Zen in Half
  36. Celebrating Ten Years DIY
  37. My F5T V3 build
  38. 3-stage Pass Inspired Amp
  39. Nakamichi PA-7E?
  40. From Cree
  41. Strange behavior of my Threshold SL10
  42. My Pearl2 Built
  43. Volume attenuator resistance question
  44. Good preamplifier with tone controllers for F5
  45. Speakers suggestions for F5's
  46. Papa's Zen Lights are no slouch!
  47. Attenuation circuit. What is ideal location?
  48. Stuck on F5 Build power-up...
  49. F5 PSU
  50. X 30.5 or X 150.5? (What would you buy?)
  51. F5 - LED
  52. V9 troubleshooting: SOLVED, some remarks and questions...
  53. Will This Enclosure Work For F5/F6?
  54. Best strategy to convert Aleph 3 to monoblock
  55. "crippled" f4 max psu voltage
  56. Solar-Powered XA30.5?
  57. New Semisouth SiC "JFET Lite"
  58. Trouble on Zen V9
  59. And now for something completely different...
  60. F5 turbo heatsinks
  61. Input Impedance of the Aleph 0s
  62. DeLite-ccs boards
  63. XP 20 relays noise ,
  64. aleph X monoblocks
  65. Mini Aleph and B1
  66. How Hot Is My F5?
  67. So , Generg ........
  68. F5 with BJT at input
  69. B1 buffer DC at output
  70. SIT power jfet
  71. JFET substitution for Pass B1
  72. 7.1 class a sorround system
  73. how change the balance input to unbalance input in PASS amp?
  74. F5 problems
  75. Pearl Phono 1 - diagnostic help please
  76. Zen 9 - Troubleshoot Bad Channel
  77. Fairchild interest alternatives
  78. I need my Aleph J/30 hybrid
  79. Pass Aleph 2 clone alarm this fine AM
  80. RELAY SWITCH VOLUME CONTROL - HELP NEEDED !
  81. My F5 Lives!!!!!!!
  82. Is it wrong in F5 TURBO V3?
  83. Strange DC offset on Aleph 3
  84. Semi'DIY - converting SIT2 to SIT 1
  85. "Reference to A2" what is this product?
  86. Semisouth SiC gate protection?
  87. First Watt J vs. J2
  88. Xs
  89. DIY active crossover using IRF510 or similar?
  90. Aleph P - where F!@?& does my signal go?
  91. Cloned Pass Cases
  92. Depletion mode B1
  93. Dr. Nelsons loudspeakers
  94. F5X Case
  95. Pass circuit to unbalance and buffer?
  96. Triodey transfer curves
  97. F5 Transformer
  98. Aleph 30 the best choice of C1 C2 C3 on brian gt PCB
  99. aleph 1 schematic help!
  100. F5 Semi-Turbo with Lateral Mosfets...
  101. pass labs x2-1
  102. Bride of Zen PCB?
  103. dcB1 active crossover
  104. SIT-1 and SIT-2 owner manuals
  105. BOZ voltage drift
  106. compare with aleph j and f5 amplifier
  107. Need help with current amp
  108. F5 bias
  109. What causes reduced spatial ambience?
  110. BOSOZ for a beginner?
  111. What can I use instead of k170/j74?
  112. jfet output for f4
  113. IRFP9240/240 instead FQA19N20/12P20, OK?
  114. Professor Pass's recommendation for cables
  115. CD-Rainbow For Nelsons Birthday
  116. F5X -- the EUVL Approach - The Build Thread
  117. First Watt M2
  118. F5 Manual Amplifier Samples
  119. PCB for Aleph 3
  120. Pass Headphone Amp
  121. 2SJ74BL Opportunity
  122. Biamping and active crossover questions
  123. BA2/Crippled F4
  124. Heat Sink Heat Sink Sources for Pass Amplifiers
  125. DC Servo Pass D1
  126. Headphone connection to preamp or amp...
  127. Pass kit
  128. Active Crossover Result. Acceptable?
  129. Aleph - balanced (26dB) vs unbalanced input (20dB)
  130. Problem with one Aleph 2 monoblock
  131. Not ready yet, but
  132. Aleph P 1.7 - distortion
  133. Another F5 finished
  134. JBL 4343 studiomonitors and future Pass labs diy amplifier project.
  135. Question on project ALEPH 30
  136. Pass F5 Pair (Spuds)
  137. F5 and Rails Difference
  138. Best Value, $ per watt per channel....
  139. Just starting to learn o-scope, F5 1k square looks funny
  140. Need help - heatsink on S/500 damaged
  141. My Balanced Zen Line Stage
  142. Mini Aleph Build
  143. aleph 5
  144. oneplustwo DCB1 Black, White and Red build thread
  145. Fairchild interest.
  146. LF FQA19N20C and FQA12P20
  147. Aleph-X Waveforms and Questions
  148. Voltage effects on DC offset and bias
  149. 2 ohm performance on Aleph
  150. Mosfet Protection ?
  151. PASS LABS bad service.
  152. F5 Point to Point Power Supply Schematic
  153. 2SK170BL
  154. Buzz noise from Pass amp, not from speakers...
  155. switching power supply.. can't get -24v?
  156. F5 Turbo Builders Thread
  157. Load for FET ten hl
  158. IRF 610 matching
  159. does anyone use these for home theater use?
  160. F2J technical question
  161. F5 or F5turbo?
  162. Question for Nelson: X250 input sensitivity
  163. Did Tech-DIY.com quit selling matched IRF outputs?
  164. Pass Class AB DIY project...
  165. Aleph 60 only works with computer as source
  166. F5 turbo problems
  167. Rebuild / recap Threshold FET10/HL
  168. Threshold M-1 help from Mr. Pass?
  169. Improving a FirstWatt-built F4
  170. Hafler DH-200 to host F5 or BA-2 ?
  171. F5 Turbo Circuit Boards
  172. Another question F5 thread
  173. oneplustwo F5 build thread
  174. F5 Turbo is posted
  175. Pass Pearl 2 MC on Batteries?
  176. Threshold SL10 MK1
  177. Recommendationf for 12h single ended Class A amp with 12V/120A dual Lambda SMPS
  178. several Aleph's in one big case
  179. Single Ended FET for 60W in 4 ohms
  180. Alpeh 5 - minimum speaker impedance load?
  181. pass labs x2-1
  182. Pearl - one channel down
  183. Aleph J front end as pre amp???
  184. Yet another Aleph 5.
  185. Aleph P1.0 caps
  186. What can I build with -+50v rails?
  187. Sound difference between XA100.5 and XA160.5
  188. Bride of Son of Zen potentiometer question
  189. Best isolator for output devices on an F5 ?
  190. Cooking in the kitchen
  191. Threshold SA/3.9e
  192. capacitor panasonic 10uf film
  193. IRF 610
  194. On a common Alplifier Protection board
  195. Pass B1 Buffer
  196. pass labs x2-1
  197. F2J Speakers match
  198. pass labs x2-1
  199. Converting a Threshold S300 to SA/3?
  200. Which active pre-amp for a F5?
  201. Wattage of Pass F5
  202. Firtwatt F5 built - where to buy?
  203. Pass X150 Where does it sit in the overall line up ??
  204. What can I build with +/- 60v rails?
  205. Pass B1 DIY - Need Help
  206. pass labs x2-1
  207. Which boards are these????
  208. F2J parts.
  209. Aleph with BrianGT boards
  210. My 5 watt Son of Zen
  211. F5 Turbo ............. if only !!!!!!
  212. Building first amp - Pass A40
  213. Yup. I'm building an F5! Here are my questions
  214. pass labs x2-1
  215. B1 without output caps
  216. 20 year old A-75 buzzing
  217. Building a Pearl 2
  218. Wanted PASS labs balanced PCB's What to build?
  219. pass labs x2-1
  220. b1 bufferamp in combination with a spectral dma150 poweramp
  221. Hot,Hotter,Hottest
  222. 400A->Aleph->X150 Is this the right way to go?
  223. Aleph J balanced input transformer
  224. WTB: help fixing a humming F5 in MA
  225. Dreaming of a power JFET complimentary pair.
  226. pass labs x2-1
  227. NelsonPass aleph5 PCB (New layout)appreciate
  228. NOStalgia - the all-FET JLH/PLH Class A amplifier
  229. HT rig powered by the designs of the one and only
  230. F-5, Mosfet and jfet availlability.
  231. pass labs x2
  232. Threshold S/550e & SA/4e balanced inputs: a doubt
  233. Double diode bridge in class A Power Amps
  234. B1 with tube rectifier
  235. Can anyone here have A diagram of 700 watts OMEGA Amplifier?
  236. New F6 diy coming soon ?
  237. Hi there!
  238. Interconnects for xa60.5 and xp20 ,
  239. xa60.5 with magnepan3.7
  240. Aleph L question
  241. Help getting started with Pass DIY amp.
  242. Help - Zen4 running too cool
  243. Pass Design Adcom - Filter Cap Problem
  244. Opinions on the X2 rev1
  245. Need a replacement number for the SFE793 Jfet
  246. Pass amp paired with Lowthers
  247. zenv4 trouble
  248. My ultimate stereo...
  249. Aleph Power Output Stage & Halcro Error Correction Front End - what about this ??
  250. which FET for these operating conditions ?

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