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  1. Transformer starting point: why toroid?
  2. Amp for compressiondriver?
  3. F1J clone troubleshooting
  4. Amp Camp-tweeters
  5. Largest Pass DIY Amp built?
  6. How important is N to P ch Mosfet matching for an F5Tv3
  7. Can I do this with my F5?
  8. WTB : UGS BOARD
  9. CLC or CLCLC ?
  10. Need advice which clone to build
  11. Aleph 5 CLC inductor help.
  12. Simple follower
  13. Papa Nelson Big Mu Amp
  14. Aleph P1.7 Power Transformer Question
  15. BigE's F5T build (Split from QA400)
  16. Glowing Review of the Pass Labs XA60.8
  17. Schematic Question
  18. Looking for amps for active xover
  19. F5
  20. Adcom GFP750 to Threshold 4000
  21. KK Aleph 5 parts list.
  22. And Stereophiles Amplifier Product of the Year is.....
  23. Hard do choose F5 Turbo V2 or Aleph 5
  24. F2 modification for headphones
  25. Slow Start for Bride of Zen
  26. Newbie question.
  27. First Watt F4: Looking to Buy
  28. Aleph 5 vs Aleph x vs Aleph2 vs Zen XA
  29. Quad type bipolar PS for AlephJ
  30. Paralleling channels of a J2.
  31. ELNA LAO caps v. Nichicon KG Gold caps in J2 PS?
  32. XA.8 single-ended current sources
  33. XA30.8 review on 6moons
  34. I know it says 'DIY', but I can brag about my store-bought J2, can't I?
  35. Mica insulator thickness for Mosfets
  36. Heatsink dilemma, reduce Vcc or Iq
  37. Aleph 30 - noise in right channel
  38. F5 Turbo v3 PSU
  39. Pass Aleph 4 vs Quad 606
  40. SIT follower
  41. Where can I get Pass amp power meters?
  42. power factor correction in class a amps
  43. Are two resistors in parallel better sonically than one?
  44. Size of allen screw to mount IRFP044 to heatsink?
  45. Threshold S/1000 Series II Bias procedure
  46. B1 clone input impedance
  47. DC offset protection in Pass Labs' amps?
  48. FET ten/hl recorder output puzzle
  49. Need Aleph L Service Manual
  50. Pass B1 clone. Configure for some gain?
  51. Parallelling voltage + current source amp with active crossove?
  52. Double buffered B1
  53. F5 and F5 Turbo measurements
  54. PASS SR1 anyone ?
  55. Class aP amplification
  56. The most NEUTRAL/transparent sounding Adcom ?
  57. B1 buffer load question
  58. Preamp for both F4 pair and Adcom GFA-5300?
  59. The Mu Monster
  60. SIT Power Follower revisited
  61. Pass F5 as a headphone amp?
  62. F5 gate stopper value question.
  63. Aleph 1000 ready for reality!
  64. Will 88db speakers play well with an F5?
  65. F5 C source resistors on the MOSFETs
  66. AmpCamp Wiring
  67. aleph´s mini output resistors smoking
  68. IXYS 200V Depletion Mode Mosfet Now Available
  69. Front Panel Designer files + photo's of your projects DISCUSSION
  70. Front Panel Designer files + photo's of your projects
  71. F5 variations for sub 4 ohm speakers?
  72. LSK Line Stage Original Schematic BAF 2013
  73. Pass Aleph P 1.7 preamp - distortion
  74. new caps to Threshold S/160
  75. "Solar" amp
  76. Tube Zen??
  77. Where to repair a Rawson Aleph 5 clone
  78. Latest restomod tips for Threshold 400a Cascode ?
  79. F5 build power on with smoke from R19 and R20
  80. SE Common source power buffer(ish), a lot of degeneration?
  81. Brief description of Pass Amp.
  82. BA-3 Complimentary 'integrated amp'
  83. F5c (cascode) cviller boards 40 V rails build
  84. Does this DC B1 work?
  85. Aleph as guitar power amplifier
  86. Aloha F5 v3 Monoblock build
  87. What is the value of V_G here? (resistive ground drive DC B1)
  88. firefox warning with passlabs and passdiy
  89. Help with zv9 build
  90. The diyAudio build guides
  91. Help with ACA build
  92. Rising DC Offset
  93. Mini Aleph with lateral mosfets?
  94. ImPASSe PreAmplifier PCB !
  95. Thermistor circuit to MOSFET gate for F5 with 40 V rails
  96. Class A Follower Buffer?
  97. best buffer for DC coupling
  98. Which preamp with Pass Alph J ? (LDR,B1...) ?
  99. Versions of Pass Amps
  100. A40 revival ?
  101. Adjusting P3 - a video
  102. Old School Prototyping
  103. SA4/e age
  104. Help with Aleph 1.7 PCBs !
  105. What amp for dedicated sub use?
  106. Cubie - small F5 variant with GR grade JFETs and LatFETs
  107. my new nelson pass aleph p1.7
  108. The diyAudio Firstwatt F6
  109. F3 Clone Build - building own heatsinks
  110. Please help with my F5/F5T questions
  111. BA-3 Amplifier illustrated build guide
  112. Center tapped transformer for stereo pass f5
  113. Does the new Xs 300 Amplifier have Elna Silmics in it?
  114. pass aleph p
  115. Looking For A VFet Enclosure
  116. The BA-3 as preamp build guide
  117. F5 Amplifier with lower idle bias
  118. Balanced F4 With Input Transformer
  119. LaoCao SIT Tests
  120. Happy Fathers Day, Nelson Pass!
  121. 4x Mini Alpeh grounding questions
  122. F4 with Quads ESL 988, you read ok
  123. Solved the transformer buzz / hum in my F4
  124. Please help me repair Preamp Pass Labs X1 .
  125. Mini Alpeh high dc offset
  126. Car Power Supply for BA-1 or BA2?
  127. why papa doesnt choose Lateral Mosfets?
  128. Plitron Transformer Prices
  129. Heat issue zen Lite
  130. Changing the gain on a FW F5
  131. F6 product announcement and owner's manual
  132. Aleph 4 monoblocks with 4 ohm load speakers?
  133. Heatsink F5T
  134. Bride of Zen - mosfet gate capacitance
  135. Direct drive ribbon with modified F5T
  136. Pass hybrid Car/Home Class A amplifier project
  137. New B4 active crossover
  138. Basic F5 Pot Substitution
  139. aleph j vs aleph 3 vsn aleph 5
  140. A40 Clipping Point
  141. Connecting loudspeaker to an SIT1
  142. Pre for Aleph0
  143. Forte model 3
  144. F1: Hey Godzilla made a comeback too...
  145. New here, advice needed.
  146. Is an F4T possible?
  147. Passive pre with Amp Camp Amp?
  148. What to DO ? [Switching etc... between amp's]
  149. Heatsink calculation question.
  150. Help: Nakamichi TA-3 Stasis Receiver
  151. Hum from aleph amplifier
  152. New Aleph Mono's completed
  153. Aleph J - Noob seeking pre build answers and help
  154. What else is needed for F5tv2 with Teabag's boards
  155. IR vs Fairchild?
  156. Pearl (original) vs Hagerman bugle 2
  157. JFET suitable for new design
  158. Leave Amp Camp Amp Powered ON or OFF??
  159. F5 v3.0 PSU and Bias Help Needed
  160. Recommendation for 5-10W amp.
  161. Transformer Hum
  162. F5 (turbo) as first project: Yea or Nay?
  163. need info: 1997 PL45AR0 PCB *pics
  164. SIT Device Emulation
  165. Is a passive a good choice for a F5V3Turbo
  166. Building a BA-3 need help please..
  167. Threshold S/500 issue and circuit request.
  168. F5T V3 with 2x40V transformer?
  169. V-FET (SIT) amplifier production
  170. Threshold Stasis 2 issue
  171. V-FET (SIT) amplifier production
  172. Preamp grounding
  173. F7 F8 F9 F10 other planet sound from First Watt
  174. Amp is great... power switch not so much
  175. Help me identify this amp i just picked up (aleph J?)
  176. new SiC JFETs ?
  177. First Watt B4.....buffer, gain and impedance...
  178. Amp for Thiel cs5
  179. 2sk246 bias problem
  180. can i use IRF640/9540 for testing the F5
  181. My mistake on the F5
  182. F5 help please.
  183. Change Aleph J to 100volt
  184. XCSS-BOSOZ PCB
  185. Peak dca 75 pro anybody have this?
  186. Rotary front panel power switch for 4U chassis
  187. Problems with my setup
  188. Some questions on an Adcom 5400
  189. J2 with Aleph front end
  190. "Mini" F5
  191. Best Options for making F-5 an Integrated Amp
  192. Hum from X250 amp itself
  193. Cascode amp idea
  194. F5Turbo Illustrated Build Guide
  195. Transformer hum or buzz in my F4
  196. Pass Labs X350.5 Issue
  197. Orchestral music amp
  198. Threshold S/550
  199. My Stasis 3 runs cold
  200. Alloy wheels as amp heat sink?
  201. Funny Pre
  202. new caps for aleph 3
  203. DC voltage on outputs on F5
  204. F5T Mosfet options
  205. "Amp Cramp" Low Power Class A Amp
  206. CRC Filter resistors
  207. Article - Sony VFETs part 1
  208. Sound of various Pass amps
  209. What speakers are you running with your ACA?
  210. F5 max acceptable DC offset on Inputs ?
  211. F5 - R1 Trim Distortion - Worthwhile vs Blow up ?
  212. F5 original .47R vs 0.68R ???
  213. F5 original with 2SK366 and 2SJ107 ok???
  214. forte 1a
  215. Pass Labs X2.5 popping/howling from right channel
  216. Power on thump/pop X150.5
  217. where to get hold of Aleph 2 PCB´s or .grb files, other than KK PCB?
  218. Decided on the Aleph 2, what psu should I build?
  219. XA30.5 and noise
  220. Oszilloskop GO10 Schematic
  221. Help ! amplifier fixing !
  222. BOSOZ preamp beginners questions
  223. F5 Toshiba Output bias Issue
  224. Help wanted: Jfet front-end for Aleph 2
  225. Problem with Pearl 2
  226. New phone numbers
  227. passlabs x1000
  228. 5 pcs 2sk170 burn, speaker burn, help!
  229. Yearly Aleph 5 clone breakdown
  230. Another Aleph J arriving
  231. Optimal source output v for b1 + zv9?
  232. Mr. Nelson, why does Pass Labss only offer one class A stereo model?
  233. Testing the Zen-Lite
  234. Aleph P 1.7 stereo preamplifier.....
  235. F5 Fuse burn after connect ground to chassis
  236. DIY the device of US Patent 4,899,387
  237. impedance on PASS XP-10
  238. Change the resistor value in the PS scheme
  239. Threshold 400A - spacer?
  240. Threshold Cas-2
  241. Dad's away so I can play
  242. General question about First Watt amps
  243. FORTE 44 Line Stage Schematic Reconstructed
  244. Sony SITs - 2SK82 E Rank With 2SJ28 F Rank
  245. Zen Turns Twenty
  246. Biasing the F5 higher, new trim pots?
  247. Speakers to Match with DIY F5
  248. Static Electricity B1 Fried Power Amps
  249. F5 v2.0 question from a novice...
  250. magnetic switch instead of slow blow fuse

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