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  1. EMI filtering and voltage regulation in Pass amps and preamps
  2. F6 Amplifier
  3. F5 question
  4. 0R5 Ribbon Apogee Scintilla drive: CCS Aleph 1.2 vs. X/XA/XS Series+Imp-Transformer
  5. SMPS for DIY Audio F5c
  6. Aleph X voitage
  7. Pass-type headphone amp?
  8. IRF710 in BOZ, BOSOZ, etc?
  9. BOFU highs with and w/o whizzer?
  10. De-Lite strange problem
  11. A new BBA3
  12. Ticle Zen Amp
  13. Harris IRF450
  14. The little oscillation detector
  15. Does it need......
  16. Help with F5 with Gamut style MOSFET's
  17. DIY frontpanel design XA30.5?
  18. My Forte 1A fails the five second rule
  19. Anyone build Zen I/V?
  20. De-Lite grounding
  21. pass labs x2-1
  22. Das ist aber Schade...
  23. Amp Camp Amp - ACA
  24. PSRR using contant current source in ZEN
  25. Where has the red :cool:button gone?
  26. "pop" noise in relay volume control
  27. fake fwt f5 on ebay aus
  28. Fresh F5 Build
  29. F3 and F1 boards
  30. What Would A NP Tape Preamp Look Like?
  31. Zen Light w BOZ in one case
  32. Favorite Pass Amp Poll Continued
  33. Wiring Attenuator for dual channel Balanced
  34. Favorite Pass Amp Poll
  35. Using B1 in a NAD C350
  36. F5 output voltage problem
  37. Anywhere I can buy Schematics for my Threshold SA3?
  38. Enclosure/cabinet equal to original First Watt
  39. The dumb-O-tron
  40. Square signal on ZEN V9
  41. Amp for Pass B1
  42. THRESHOLD STASIS/500 RUNNING HOT
  43. Recapping Forte 1a any suggestions
  44. Pass JFET Op-amp to MOSFET Push-Pull Follower
  45. Quick direction please for Firstwatt F3 DIY
  46. Pics of my aleph 2 and problems!
  47. ZEN V9 clips !
  48. F3 boards Wanted
  49. My first Passlab - Aleph X 100w
  50. Permission of F5 logo on enclosure
  51. Balanced F5 in a Small Footprint
  52. B1 for auto use
  53. Forte Model 2 Preamp - looking for schematic
  54. AlephX Aleph P and volume doing head in
  55. Parallel B1 buffer possible?
  56. oneplustwo Aleph X build thread
  57. which new preamp for Pass X.5?
  58. Pass Labs XA 60.5
  59. pass labs x2-1
  60. Yet another F5 building log
  61. Thermal IR photos of F5...
  62. L'Amp: A simple SIT Amp and F6
  63. Cut Son of Zen in Half
  64. Celebrating Ten Years DIY
  65. My F5T V3 build
  66. 3-stage Pass Inspired Amp
  67. Nakamichi PA-7E?
  68. From Cree
  69. Strange behavior of my Threshold SL10
  70. My Pearl2 Built
  71. Volume attenuator resistance question
  72. Good preamplifier with tone controllers for F5
  73. Speakers suggestions for F5's
  74. Papa's Zen Lights are no slouch!
  75. Attenuation circuit. What is ideal location?
  76. Stuck on F5 Build power-up...
  77. F5 PSU
  78. X 30.5 or X 150.5? (What would you buy?)
  79. F5 - LED
  80. V9 troubleshooting: SOLVED, some remarks and questions...
  81. Will This Enclosure Work For F5/F6?
  82. Best strategy to convert Aleph 3 to monoblock
  83. "crippled" f4 max psu voltage
  84. Solar-Powered XA30.5?
  85. New Semisouth SiC "JFET Lite"
  86. Trouble on Zen V9
  87. And now for something completely different...
  88. F5 turbo heatsinks
  89. Input Impedance of the Aleph 0s
  90. DeLite-ccs boards
  91. XP 20 relays noise ,
  92. aleph X monoblocks
  93. Mini Aleph and B1
  94. How Hot Is My F5?
  95. So , Generg ........
  96. F5 with BJT at input
  97. B1 buffer DC at output
  98. SIT power jfet
  99. JFET substitution for Pass B1
  100. 7.1 class a sorround system
  101. how change the balance input to unbalance input in PASS amp?
  102. F5 problems
  103. Pearl Phono 1 - diagnostic help please
  104. Zen 9 - Troubleshoot Bad Channel
  105. Fairchild interest alternatives
  106. I need my Aleph J/30 hybrid
  107. Pass Aleph 2 clone alarm this fine AM
  108. RELAY SWITCH VOLUME CONTROL - HELP NEEDED !
  109. My F5 Lives!!!!!!!
  110. Is it wrong in F5 TURBO V3?
  111. Strange DC offset on Aleph 3
  112. Semi'DIY - converting SIT2 to SIT 1
  113. "Reference to A2" what is this product?
  114. Semisouth SiC gate protection?
  115. First Watt J vs. J2
  116. Xs
  117. DIY active crossover using IRF510 or similar?
  118. Aleph P - where F!@?& does my signal go?
  119. Cloned Pass Cases
  120. Depletion mode B1
  121. Dr. Nelsons loudspeakers
  122. F5X Case
  123. Pass circuit to unbalance and buffer?
  124. Triodey transfer curves
  125. F5 Transformer
  126. Aleph 30 the best choice of C1 C2 C3 on brian gt PCB
  127. aleph 1 schematic help!
  128. F5 Semi-Turbo with Lateral Mosfets...
  129. pass labs x2-1
  130. Bride of Zen PCB?
  131. dcB1 active crossover
  132. SIT-1 and SIT-2 owner manuals
  133. BOZ voltage drift
  134. compare with aleph j and f5 amplifier
  135. Need help with current amp
  136. F5 bias
  137. What causes reduced spatial ambience?
  138. BOSOZ for a beginner?
  139. What can I use instead of k170/j74?
  140. jfet output for f4
  141. IRFP9240/240 instead FQA19N20/12P20, OK?
  142. Professor Pass's recommendation for cables
  143. CD-Rainbow For Nelsons Birthday
  144. F5X -- the EUVL Approach - The Build Thread
  145. First Watt M2
  146. F5 Manual Amplifier Samples
  147. PCB for Aleph 3
  148. Pass Headphone Amp
  149. 2SJ74BL Opportunity
  150. Biamping and active crossover questions
  151. BA2/Crippled F4
  152. Heat Sink Heat Sink Sources for Pass Amplifiers
  153. DC Servo Pass D1
  154. Headphone connection to preamp or amp...
  155. Pass kit
  156. Active Crossover Result. Acceptable?
  157. Aleph - balanced (26dB) vs unbalanced input (20dB)
  158. Problem with one Aleph 2 monoblock
  159. Not ready yet, but
  160. Aleph P 1.7 - distortion
  161. Another F5 finished
  162. JBL 4343 studiomonitors and future Pass labs diy amplifier project.
  163. Question on project ALEPH 30
  164. Pass F5 Pair (Spuds)
  165. F5 and Rails Difference
  166. Best Value, $ per watt per channel....
  167. Just starting to learn o-scope, F5 1k square looks funny
  168. Need help - heatsink on S/500 damaged
  169. My Balanced Zen Line Stage
  170. Mini Aleph Build
  171. aleph 5
  172. oneplustwo DCB1 Black, White and Red build thread
  173. Fairchild interest.
  174. LF FQA19N20C and FQA12P20
  175. Aleph-X Waveforms and Questions
  176. Voltage effects on DC offset and bias
  177. 2 ohm performance on Aleph
  178. Mosfet Protection ?
  179. PASS LABS bad service.
  180. F5 Point to Point Power Supply Schematic
  181. 2SK170BL
  182. Buzz noise from Pass amp, not from speakers...
  183. switching power supply.. can't get -24v?
  184. F5 Turbo Builders Thread
  185. Load for FET ten hl
  186. IRF 610 matching
  187. does anyone use these for home theater use?
  188. F2J technical question
  189. F5 or F5turbo?
  190. Question for Nelson: X250 input sensitivity
  191. Did Tech-DIY.com quit selling matched IRF outputs?
  192. Pass Class AB DIY project...
  193. Aleph 60 only works with computer as source
  194. F5 turbo problems
  195. Rebuild / recap Threshold FET10/HL
  196. Threshold M-1 help from Mr. Pass?
  197. Improving a FirstWatt-built F4
  198. Hafler DH-200 to host F5 or BA-2 ?
  199. F5 Turbo Circuit Boards
  200. Another question F5 thread
  201. oneplustwo F5 build thread
  202. F5 Turbo is posted
  203. Pass Pearl 2 MC on Batteries?
  204. Threshold SL10 MK1
  205. Recommendationf for 12h single ended Class A amp with 12V/120A dual Lambda SMPS
  206. several Aleph's in one big case
  207. Single Ended FET for 60W in 4 ohms
  208. Alpeh 5 - minimum speaker impedance load?
  209. pass labs x2-1
  210. Pearl - one channel down
  211. Aleph J front end as pre amp???
  212. Yet another Aleph 5.
  213. Aleph P1.0 caps
  214. What can I build with -+50v rails?
  215. Sound difference between XA100.5 and XA160.5
  216. Bride of Son of Zen potentiometer question
  217. Best isolator for output devices on an F5 ?
  218. Cooking in the kitchen
  219. Threshold SA/3.9e
  220. capacitor panasonic 10uf film
  221. IRF 610
  222. On a common Alplifier Protection board
  223. Pass B1 Buffer
  224. pass labs x2-1
  225. F2J Speakers match
  226. pass labs x2-1
  227. Converting a Threshold S300 to SA/3?
  228. Which active pre-amp for a F5?
  229. Wattage of Pass F5
  230. Firtwatt F5 built - where to buy?
  231. Pass X150 Where does it sit in the overall line up ??
  232. What can I build with +/- 60v rails?
  233. Pass B1 DIY - Need Help
  234. pass labs x2-1
  235. Which boards are these????
  236. F2J parts.
  237. Aleph with BrianGT boards
  238. My 5 watt Son of Zen
  239. F5 Turbo ............. if only !!!!!!
  240. Building first amp - Pass A40
  241. Yup. I'm building an F5! Here are my questions
  242. pass labs x2-1
  243. B1 without output caps
  244. 20 year old A-75 buzzing
  245. Building a Pearl 2
  246. Wanted PASS labs balanced PCB's What to build?
  247. pass labs x2-1
  248. b1 bufferamp in combination with a spectral dma150 poweramp
  249. Hot,Hotter,Hottest
  250. 400A->Aleph->X150 Is this the right way to go?

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