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

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