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  1. Threshold SA/30s vs 3.9e
  2. Quasi Complementary F4 (inspired by SiC)
  3. F3 and 90db speakers and passive preamp??
  4. are there SMD replacements for k170 j74
  5. Dual pre output? Aleph L clone
  6. Aleph J build and a few questions
  7. Nakamichi PA7II: HF noise-oscillation issue
  8. PCF in F4-amp ?
  9. Value of bias on Pass Labs X0.2
  10. B1 clone - output on one side only
  11. Threshold 800a
  12. Inspired by FW M2 AUTOFORMER
  13. Pass Labs Xyyy.? , checking/adjusting offsets ,Iq and gain
  14. Why do all of the Fx-Amps have one shared PSU ?
  15. B1 has died
  16. Will these Heat Sinks work???
  17. Are distortion ratings accurate for most amps?
  18. FW Announcement
  19. Me and My new F6
  20. I'm scared.
  21. Convert a Pass Labs INT-30A from 110v to 220v
  22. Schaded F6 P-N cascode with very low THD
  23. First Watt F1 PCB
  24. Average cost of a Pass F5
  25. Rectifier swapping
  26. The UPDATED Penultimate Zen 4
  27. need advice first First watt
  28. Predrilled Heatsinks, bracket etc at Diystore!
  29. Balanced pre diy for Aleph 30 clone
  30. F5 input
  31. Ono Phono:
  32. Simple Schade feedback without transformer
  33. F5 - It Works but some problems ...
  34. F6 with PCF
  35. Upgrading my Pass Aleph-X changed the character of the amplifier.
  36. Pass B1 Buffer Preamp help
  37. The F6 build of the century :) (I want to learn everything)
  38. Using transformer gain like first watt M2?
  39. LSJ177
  40. Threshold Stasis 3 in Jeopardy
  41. Rectifier bridges/FRED recommendations
  42. Stasis - tantal condenser
  43. First Watt AMPS stacked
  44. Zen Bulb Amplifier
  45. Positive Current Feedback simple Zen amp
  46. Aleph J question
  47. Aleph3 with Eminent Technology 8b
  48. The V-Fetron Comes To Life
  49. Pass Labs XA-30.8
  50. Paralleling Aleph 3
  51. Heat-Sinks
  52. Hammond 159zl as clc choke
  53. Hammond 159zl as clc choke
  54. 1977 20w class A little help please.
  55. Experimenting with Positive Feedback
  56. cl60 thermistor in BA3 preamp
  57. I really interest the ACAkit, but?
  58. Threshold Stasis 3 biasing for dummies
  59. who explaim me the function of s1
  60. New S450e owner,where can I find the service manual manual?
  61. Pass Aleph P : which one?
  62. Threshold 400A Cascode
  63. Pass Pearl 1
  64. 400A's on/off flip flop flipping and flopping.
  65. Please help diagnose bad oscillation
  66. B1 bandwidth 700kHz -3dB: what's the limiting factor?
  67. B5 Crossover Question
  68. Super Triode Connected Aleph CCS Zen Amp
  69. Looking for amp project similar to Aleph3 but more power
  70. SiC Mosfets for A class audio, eg Zen variations?
  71. Tall ACA Build Prelim
  72. Threshold S/300 optical, turn-on thump & offset
  73. Pass B-3 preamp build (sort of)
  74. New Aleph mosfet source resistor fire
  75. All MOSFET Class A headphone amplifier
  76. Threshold 400a bias issue... Yes another
  77. X150.5 XLR Pins
  78. Another SIT amp
  79. help to set dc offset to threshold s450
  80. aleph 1.7??
  81. jfet inplace of bjt for vssa
  82. Tri-amp with two B1 Buffers. Looking for opinions on setup.
  83. Tri-amp with two B1 Buffers. Looking for opinions on setup.
  84. B1 Buffer Jfets alternatives question
  85. Pass B1 output cap value
  86. passlabs and Firstwatt Questions
  87. The eSCAPEd Goat MkII
  88. Skinning The Mu Monster Cat - Mini Style
  89. Do First Watt amps do as well into 4 ohm loads? Nt
  90. Building F5 monoblocks in Apple G5 cases
  91. Physically Stacking Class A Amps
  92. Sony TAN 5550 Vfet updates possible?
  93. LIVE Lab Cam
  94. Threshold S350 schematic help
  95. Aleph J
  96. mini Aleph hum
  97. Threshold SA/1 voltage change
  98. Crackling in right channel of DIY F3 amp
  99. Pass Labs x.150 Problems
  100. F6 amp with SemiSouth SJEP120R100
  101. Generic Power supply for first watt (or class A?) amps
  102. F5 increased gain followed by failure
  103. questions about aleph 2
  104. Pass Aleph 2 with IRFP 140.
  105. where to buy 4u chassis heat sinks
  106. F6 Turbo
  107. F5(25W) help with parts and design
  108. Better rectifier for the SIT 1
  109. Need recomme
  110. Amp Camp or Aleph Mini
  111. Found this on my puter, and it's not on Google Images
  112. Holiday Live Streaming
  113. OT: Threshold S/350e speaker terminals
  114. Two Transformers, Two Chassis - Grounding???
  115. Aleph 3 clone strange behaviour
  116. ACA modification with Edcor transformer
  117. F5 low output
  118. Commercially Available F3/ ZV9 PCB's?
  119. Balanced F5 Question
  120. 2 problems with F5 - seeking solution
  121. Zen with GA10JT12
  122. Necessary transistors for f5t built
  123. Necessary transistors for f5t built
  124. B5 crossover question
  125. Adcom GFA 5800 Bass
  126. Pass labs SR-1 speakers which pass amp??
  127. PSU difference between F5 and F5T (connections of secondaries)
  128. F5-HA Build Thread
  129. BOSOZ and balanced headphones....
  130. First Watt F5 self etching boards
  131. ACA Concept II
  132. ACA active speaker project
  133. Trying to build Aleph 30
  134. Heasinks 300 x 150 x 83mm anyone?
  135. ABFAB Builders Club - building The eSCAPEd Goat Mk I
  136. DC Coupled ZV9/F3?
  137. New NP hpa-1 headamp
  138. The Living Legend
  139. Choice between F5 and F6
  140. Very First Attempt of PCB Layout Using Design Spark (Please Check)
  141. "F5" SE
  142. DIY FirstWatt F4 and McIntosh C48?
  143. Is the B1 what I'm looking for?
  144. Convert a Pass Labs XA160 from 110v to 220v
  145. music signal in ground F5 PS?
  146. F5 power supply to high, solution?
  147. I need a very good fet line preamp circuit for wm8741 dac.
  148. www.passdiy.com uses an invalid security certificate
  149. LuminAria Article Available
  150. Making the Nelson pass crossovers warmer
  151. Increase gain and output power of my F5?
  152. Class A ampliers and lower impedance loads
  153. Running Transistors Cold
  154. F5 Turbo V3 monoblocks 32v dc rails psu
  155. BA-3 Preamp Fairchild/Toshiba 500 ohm 1K ohm pot question:
  156. Schade circuit using lovoltech lu1014d
  157. New Toshiba Mosfets
  158. Sticky Post Cleanup
  159. Is it ever okay to defeat grounding?
  160. Output impedance of BA-3 as preamp?
  161. Steve Jobs' Hi-Fi
  162. Threshold SA/2 which Version? Upgrade?
  163. Aleph 30 diy - total beginner
  164. Official M2 schematic
  165. A proper modified Zen-drive?
  166. Jfet Sziklai Single ended
  167. Newby with F6 DIY service questions
  168. Are There True MOSFet Compliments???
  169. Schade circuit using IRFP240's
  170. Which Pass clone did I really buy?
  171. F3/SIT Variations
  172. BF862 instead of 2sk170?
  173. Pearl 2 and B1 Build Pics and Help Question!
  174. BAF 2015 Coverage
  175. uC + 2xMCP42100 to control LDR attenuator - some measurements
  176. Pass Labs XA30.5
  177. A question for Mr Pass
  178. Which Pass amp combo for active Altec system
  179. Transformer temperature
  180. Concerning P3, BA-3
  181. building b1 preamp distortion problem
  182. Aleph 3 Bias
  183. Is's this the last release?
  184. Pass - Amp Camp for headphones?
  185. Parallel Aleph 3 or something else...
  186. Questions about the aleph 5
  187. HEAT SINK DEAL ALERT!
  188. BAF 2013 folded cascode LSK Pre line amplifier adapted for strain gauge cartridge
  189. Dual Mono setup for an F6
  190. Need for semiconductors testing/matching board?
  191. Siliconix Mosfet -vs- p-channel issue ?
  192. BA-3 gain stage advice
  193. Why all these 2K2 resistors
  194. The new line X point 8 voltage
  195. F5 - higher gain changing sonic signature
  196. Aleph J Case - would heatsink be ok?
  197. Which first watt amp is right for my 95dB speakers?
  198. Pass Aleph J or F5 Turbo kit
  199. NP talk at the California Audio Show 2015
  200. Amp Camp AMP (ACA) returns to the diyAudio store!
  201. Upgrade F5 to F6
  202. Help with simulation of the F5
  203. B1 buffer with gain?
  204. Pass Aleph 0 on ebay
  205. Mosfets: Single pair vs multiple pair at same bias
  206. ultimate bosoz
  207. Preamp input selector and common ground(s)
  208. How to test used caps?
  209. Smoking F5 from too much bias, still working but...
  210. Forte Audio 1A decoupling first stages from output stages
  211. Transformer voltage ?
  212. Multichannel Mezmerize B1 or Pass B1
  213. Cubie3
  214. why no input HF filter in many B1 variants?
  215. Aleph J finished -- Thank you Mr.Nelson
  216. F6 Illustrated Build Guide
  217. J-Fet in F5
  218. Heat dissipation on a F5
  219. Amp Camp Amp V2
  220. Threshold 800A Moving Coil Meters
  221. F5 trafo
  222. What is the difference in VFET1 and VFET2 sound?
  223. J2s with paralleled channels
  224. Pass Labs China/Ebay?
  225. Adcom GFA-555
  226. UGS-muse preamp GB
  227. Nutz, Panasonic is discontinuing my usual power supply caps...viable alternatives?
  228. Awesomeness of this community
  229. IRFP240, 9240
  230. A Pass inspired SE MOSFET amp, single supply
  231. Pass amp for classic Bose 901 Series I or II
  232. Sony VFET Amplifier Part 2
  233. Survey: Best Sounding HF/MF range Horn driver to use with First Watt amps?
  234. Stasis tech in any newer amps or receivers?
  235. Advice on what to build... B1/F5?
  236. Another F6?
  237. what amp for Altec 19
  238. Babysitter construction help
  239. Heatsink for F2J?
  240. First watt F7 review
  241. Threshold SA-3 problem (or not?)
  242. Gyrator loaded Son of ZV9/F3
  243. Pearl RIAA modifications?
  244. BA-3 amp construction with more than 3 pairs
  245. Nakamichi PA-7II won't power on, limiter resistor blown
  246. Threshold SL-10 MC Stage Settings
  247. [Need Advice] Preamp with variable gain for PaPa Amplifier
  248. LSK489 for B1 buffer?
  249. Looking for old F-5 schematic F-5C & BOM
  250. Zen Mod, I built the oscillation detector, question:

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