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  1. Jumping into Class A
  2. Which Adcom for best low power mids and highs?
  3. F5 updated BOM
  4. power supply for f6 or other
  5. Standby Mode Upgrade for XA30.5
  6. Is it safe to drive a 4 ohm load with a Nak TA 4a
  7. Damping Factor and Bass
  8. Split load phasesplitter amplifier with bifilar choke load
  9. F5 Turbo V2 power supply doubt.
  10. Cooling a stack of FIRST WATT amplifiers
  11. aleph3
  12. Need advice on remote circuit
  13. Opinions on which amp?
  14. Linear Power Supply for Amp Camp Boards (Question)
  15. ACA PCB's
  16. transformer source
  17. Brilliance in simplicity
  18. Help! Zen v4.....
  19. SIT Nemesis
  20. Jfet testing oops!
  21. B5's are officially discontinued.
  22. Preamp in Front of Zen V.5 Complimentary Pair?
  23. Trouble Getting SE Circuit to Work
  24. Ping ** Nelson Pass
  25. Pass kits
  26. BA3 preamp hiss
  27. B1 Issue
  28. Packing Up The Lab
  29. Developing a Regulated Dual Rail Power Supply For FirstWatt Amps
  30. Problem with needle on XA30.5, help!
  31. Hybrid A-class retro amp
  32. Transformer p-s single stage Triadtron pushpull
  33. Pass Ono oscillation
  34. Pass F5 dual mono transformers wiring, ground design
  35. 50w Single-Ended BAF2015 Schade Enabled
  36. aleph 5 with brian gt boards
  37. Linkwitz Open House May 14 and 15
  38. New circuit based in NP CSX
  39. Which Amp To Build?
  40. 2sk170 vs lsk170 which is better in sound quality?
  41. Did Infinion buy the technology from semisouth?
  42. Why IRLB3813 and similar (strange) low voltage devices?!
  43. ACA input impedance
  44. Threshold SA/30s vs 3.9e
  45. Quasi Complementary F4 (inspired by SiC)
  46. F3 and 90db speakers and passive preamp??
  47. are there SMD replacements for k170 j74
  48. Dual pre output? Aleph L clone
  49. Aleph J build and a few questions
  50. Nakamichi PA7II: HF noise-oscillation issue
  51. PCF in F4-amp ?
  52. Value of bias on Pass Labs X0.2
  53. B1 clone - output on one side only
  54. Threshold 800a
  55. Inspired by FW M2 AUTOFORMER
  56. Pass Labs Xyyy.? , checking/adjusting offsets ,Iq and gain
  57. Why do all of the Fx-Amps have one shared PSU ?
  58. B1 has died
  59. Will these Heat Sinks work???
  60. Are distortion ratings accurate for most amps?
  61. FW Announcement
  62. Me and My new F6
  63. I'm scared.
  64. Convert a Pass Labs INT-30A from 110v to 220v
  65. Schaded F6 P-N cascode with very low THD
  66. First Watt F1 PCB
  67. Average cost of a Pass F5
  68. Rectifier swapping
  69. The UPDATED Penultimate Zen 4
  70. need advice first First watt
  71. Predrilled Heatsinks, bracket etc at Diystore!
  72. Balanced pre diy for Aleph 30 clone
  73. F5 input
  74. Ono Phono:
  75. Simple Schade feedback without transformer
  76. F5 - It Works but some problems ...
  77. F6 with PCF
  78. Upgrading my Pass Aleph-X changed the character of the amplifier.
  79. Pass B1 Buffer Preamp help
  80. The F6 build of the century :) (I want to learn everything)
  81. Using transformer gain like first watt M2?
  82. LSJ177
  83. Threshold Stasis 3 in Jeopardy
  84. Rectifier bridges/FRED recommendations
  85. Stasis - tantal condenser
  86. First Watt AMPS stacked
  87. Zen Bulb Amplifier
  88. Positive Current Feedback simple Zen amp
  89. Aleph J question
  90. Aleph3 with Eminent Technology 8b
  91. The V-Fetron Comes To Life
  92. Pass Labs XA-30.8
  93. Paralleling Aleph 3
  94. Heat-Sinks
  95. Hammond 159zl as clc choke
  96. Hammond 159zl as clc choke
  97. 1977 20w class A little help please.
  98. Experimenting with Positive Feedback
  99. cl60 thermistor in BA3 preamp
  100. I really interest the ACAkit, but?
  101. Threshold Stasis 3 biasing for dummies
  102. who explaim me the function of s1
  103. New S450e owner,where can I find the service manual manual?
  104. Pass Aleph P : which one?
  105. Threshold 400A Cascode
  106. Pass Pearl 1
  107. 400A's on/off flip flop flipping and flopping.
  108. Please help diagnose bad oscillation
  109. B1 bandwidth 700kHz -3dB: what's the limiting factor?
  110. B5 Crossover Question
  111. Super Triode Connected Aleph CCS Zen Amp
  112. Looking for amp project similar to Aleph3 but more power
  113. SiC Mosfets for A class audio, eg Zen variations?
  114. Tall ACA Build Prelim
  115. Threshold S/300 optical, turn-on thump & offset
  116. Pass B-3 preamp build (sort of)
  117. New Aleph mosfet source resistor fire
  118. All MOSFET Class A headphone amplifier
  119. Threshold 400a bias issue... Yes another
  120. X150.5 XLR Pins
  121. Another SIT amp
  122. help to set dc offset to threshold s450
  123. aleph 1.7??
  124. jfet inplace of bjt for vssa
  125. Tri-amp with two B1 Buffers. Looking for opinions on setup.
  126. Tri-amp with two B1 Buffers. Looking for opinions on setup.
  127. B1 Buffer Jfets alternatives question
  128. Pass B1 output cap value
  129. passlabs and Firstwatt Questions
  130. The eSCAPEd Goat MkII
  131. Skinning The Mu Monster Cat - Mini Style
  132. Do First Watt amps do as well into 4 ohm loads? Nt
  133. Building F5 monoblocks in Apple G5 cases
  134. Physically Stacking Class A Amps
  135. Sony TAN 5550 Vfet updates possible?
  136. LIVE Lab Cam
  137. Threshold S350 schematic help
  138. Aleph J
  139. mini Aleph hum
  140. Threshold SA/1 voltage change
  141. Crackling in right channel of DIY F3 amp
  142. Pass Labs x.150 Problems
  143. F6 amp with SemiSouth SJEP120R100
  144. Generic Power supply for first watt (or class A?) amps
  145. F5 increased gain followed by failure
  146. questions about aleph 2
  147. Pass Aleph 2 with IRFP 140.
  148. where to buy 4u chassis heat sinks
  149. F6 Turbo
  150. F5(25W) help with parts and design
  151. Better rectifier for the SIT 1
  152. Need recomme
  153. Amp Camp or Aleph Mini
  154. Found this on my puter, and it's not on Google Images
  155. Holiday Live Streaming
  156. OT: Threshold S/350e speaker terminals
  157. Two Transformers, Two Chassis - Grounding???
  158. Aleph 3 clone strange behaviour
  159. ACA modification with Edcor transformer
  160. F5 low output
  161. Commercially Available F3/ ZV9 PCB's?
  162. Balanced F5 Question
  163. 2 problems with F5 - seeking solution
  164. Zen with GA10JT12
  165. Necessary transistors for f5t built
  166. Necessary transistors for f5t built
  167. B5 crossover question
  168. Adcom GFA 5800 Bass
  169. Pass labs SR-1 speakers which pass amp??
  170. PSU difference between F5 and F5T (connections of secondaries)
  171. F5-HA Build Thread
  172. BOSOZ and balanced headphones....
  173. First Watt F5 self etching boards
  174. ACA Concept II
  175. ACA active speaker project
  176. Trying to build Aleph 30
  177. Heasinks 300 x 150 x 83mm anyone?
  178. ABFAB Builders Club - building The eSCAPEd Goat Mk I
  179. DC Coupled ZV9/F3?
  180. New NP hpa-1 headamp
  181. The Living Legend
  182. Choice between F5 and F6
  183. Very First Attempt of PCB Layout Using Design Spark (Please Check)
  184. "F5" SE
  185. DIY FirstWatt F4 and McIntosh C48?
  186. Is the B1 what I'm looking for?
  187. Convert a Pass Labs XA160 from 110v to 220v
  188. music signal in ground F5 PS?
  189. F5 power supply to high, solution?
  190. I need a very good fet line preamp circuit for wm8741 dac.
  191. www.passdiy.com uses an invalid security certificate
  192. LuminAria Article Available
  193. Making the Nelson pass crossovers warmer
  194. Increase gain and output power of my F5?
  195. Class A ampliers and lower impedance loads
  196. Running Transistors Cold
  197. F5 Turbo V3 monoblocks 32v dc rails psu
  198. BA-3 Preamp Fairchild/Toshiba 500 ohm 1K ohm pot question:
  199. Schade circuit using lovoltech lu1014d
  200. New Toshiba Mosfets
  201. Sticky Post Cleanup
  202. Is it ever okay to defeat grounding?
  203. Output impedance of BA-3 as preamp?
  204. Steve Jobs' Hi-Fi
  205. Threshold SA/2 which Version? Upgrade?
  206. Aleph 30 diy - total beginner
  207. Official M2 schematic
  208. A proper modified Zen-drive?
  209. Jfet Sziklai Single ended
  210. Newby with F6 DIY service questions
  211. Are There True MOSFet Compliments???
  212. Schade circuit using IRFP240's
  213. Which Pass clone did I really buy?
  214. F3/SIT Variations
  215. BF862 instead of 2sk170?
  216. Pearl 2 and B1 Build Pics and Help Question!
  217. BAF 2015 Coverage
  218. uC + 2xMCP42100 to control LDR attenuator - some measurements
  219. Pass Labs XA30.5
  220. A question for Mr Pass
  221. Which Pass amp combo for active Altec system
  222. Transformer temperature
  223. Concerning P3, BA-3
  224. building b1 preamp distortion problem
  225. Aleph 3 Bias
  226. Is's this the last release?
  227. Pass - Amp Camp for headphones?
  228. Parallel Aleph 3 or something else...
  229. Questions about the aleph 5
  230. HEAT SINK DEAL ALERT!
  231. BAF 2013 folded cascode LSK Pre line amplifier adapted for strain gauge cartridge
  232. Dual Mono setup for an F6
  233. Need for semiconductors testing/matching board?
  234. Siliconix Mosfet -vs- p-channel issue ?
  235. BA-3 gain stage advice
  236. Why all these 2K2 resistors
  237. The new line X point 8 voltage
  238. F5 - higher gain changing sonic signature
  239. Aleph J Case - would heatsink be ok?
  240. Which first watt amp is right for my 95dB speakers?
  241. Pass Aleph J or F5 Turbo kit
  242. NP talk at the California Audio Show 2015
  243. Amp Camp AMP (ACA) returns to the diyAudio store!
  244. Upgrade F5 to F6
  245. Help with simulation of the F5
  246. B1 buffer with gain?
  247. Pass Aleph 0 on ebay
  248. Mosfets: Single pair vs multiple pair at same bias
  249. ultimate bosoz
  250. Preamp input selector and common ground(s)

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