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  1. Adcom gfa5500
  2. Dynaco sca80-q question.
  3. NAD C372 problem
  4. Fairchild KSC1845 is substitutes for 2SC458 and 2SC945?
  5. Zener diode on Altec 1593B amp
  6. Can someone please explain this circuit?
  7. Cambridge A500 Problems
  8. Normalize all audio to same peak voltage?
  9. Cheap ICOM IC 756 PRO 3 and ELECRAFT K3/P3-KPA500
  10. Germanium power transistor 2n1522
  11. Help
  12. Lever switch
  13. super basic ab amplifier?
  14. RX-707V JVC
  15. Rotel RC 03 technical schematic?
  16. Bose 1800 spares?
  17. CSH4 MkII HEXFET amplifier
  18. Help with Rotel RB-850 amps
  19. Germanium Transistors
  20. Building a Power amp...
  21. Nikko TRM-750 recapping project
  22. Cleaning a crackling dual concentric volume control?
  23. little help, broke something trying to repair an amp.
  24. 2sa1306a/2sc3298a
  25. rega cursa schematics
  26. Mismatch schematic/PCB LME49830 reference design
  27. TIP31A a good sub for a 2sc931
  28. Upgrading Sony TA-N77ES Power Amp
  29. Power Amp Grounding Scheme
  30. So... What amp should i build?
  31. hifi Power Amplifier
  32. Mosfet in TO-3 package
  33. Please Help me - Receiver Kenwood KR 5150
  34. Cepiar RS-300
  35. Rotel 930AX tweak opinion
  36. Pa Amp repair - any help?
  37. Symasym - 2 output pairs?
  38. Luxmam M-12 bias and dc offset adjustment
  39. Sony TA-AX380 does not power up
  40. Yamaha CX-600 Preamplifier wont turn on
  41. QSC isa300ti schematic needed
  42. Helping a Friend:- Musical Fidelity A3.2 Integrated Dual Mono Schematics and SAP15
  43. HeadPhone Buffer with complementary feedback
  44. Can I improve the sound of my HT receiver with these mods?
  45. I need schematics for a mosfet amplifier
  46. Commercial available discrete OP-AMPs - Overview wanted
  47. replacing RC4136 opamp w/ 2 OPA2134 on DIP pinout adapter board
  48. help identify capacitor
  49. Is DC power amp danger to speaker?
  50. Sony XM-10020 brunt resistor help
  51. SS project... need help
  52. AKAI AM-U41 Light replacement for Power Indicator
  53. Why a lot of power amps use complementry differential input?
  54. Hafler DH-220 AMP. Is it a kit?
  55. Akai AA-1200 - where to buy parts? Mods?
  56. copyright of Apex board as commercial product?
  57. balanced circuit from Electronic Design
  58. Technics SU-V650 Problem
  59. Any way to improve the sound of my Acurus.
  60. LT1166
  61. diyAB Honey Badger driven by Sonos ZP80?
  62. Nmos 200 Preamp+poweramp
  63. Sounds from an unconnected NAD C 355BEE
  64. Why the 4-ohm 'limitation'
  65. Quad 303 PSU re-build
  66. Need help with Teac AG-H300 hot amp when idle
  67. TIP 31A vs TIP 31c
  68. Denon receiver dead - incorrect antenna may have caused this?
  69. Power12: A compact 6W/channel power amplifier
  70. jlh class a amp
  71. Technics SU-5A Old lady has quiet channel
  72. Power amplifier humming
  73. PSL ve1200 schematic
  74. Distortion vs Global-Feedback (simulated)
  75. The Kinergetics Patent "reducing hysteresis distortion"
  76. cfp - variant --> current coupled
  77. Screened Coax Cable in the Feedback Loop - which Purpose and Benefit is there ??
  78. 2SC5242/2SA1962 fakes...
  79. Capacitors inside feedback loop
  80. Picked up a Pioneer Spec 2
  81. SOS! Crown XLS402. No power
  82. SS diy site
  83. Does anyone know the name of this circuit? (Driver transistor bootstrap)
  84. Extreme prominence of odd harmonics with increasing frequency
  85. Looking for the Über Buffer
  86. Nad C 325 BEE, Output Problems
  87. One driver transistor per output transistor possibilities?
  88. Magnum a 200 power amp
  89. My Modified P3A
  90. JVC A-X9 negative rail at the output - please help
  91. EZ-Dump: dump your current without really trying
  92. best VAS transistors with Higher VCE,Ft,beta low cob
  93. Lite mv 02 remote HELP
  94. An audio amplifier from what I have available
  95. Gain Issue
  96. Meitner MTR-101 repair?
  97. Sony amplifier module
  98. Vandersteen 2W Amplifier
  99. Musical Fidelity power amplifier trim pots
  100. 2sc5171 can drive how many 2sc5949 at 70V without any problem?
  101. Quad 303 hum caused by HDMI connection
  102. The magic amp
  103. NRG Control 400wpc Class A Monoblocks, What to do? Repair or upgrade?
  104. logic amp DBX1004
  105. Floated cascode with jFETs for high voltage?
  106. How much amperage?
  107. HCA-3500 questions
  108. Help fixing NAD C350
  109. Systemdek iix 900
  110. Help me debug a strange interference in my system.
  111. Pot Wiring to Amp
  112. LatFET OPS using HEC!
  113. Electrolytics - Axial vs Radial
  114. Vintage Marantz. Anyone changing their MKT caps?
  115. amplifier has slow speed ticking noise on audio.
  116. Marantz 1120 - Questions re caps and trannies.
  117. Is there a better transistor than a Motorola C4000/C5000
  118. Marantz SR3300
  119. Microphone Noise Cancellation Circuit Design
  120. Salvaging the Power Amp sections of 90s Prologic
  121. Evolution of the VSSA? Esperado's DVSSA...
  122. speaker protection at mains supply - ?
  123. PNP OCL amplifier
  124. ADCOM GFA 555 - Chance bias?
  125. Help with some unknow JFETs for a RIAA project...
  126. Vintage Technics su-v4k integrated amp audio cutting out
  127. How can improve sound quality with TruSound technic
  128. Need help for Luxman C-12 preamplifier
  129. Help with distorted audio from Yamaha cr-400
  130. Massive transistors in Gamut 250i Amps?
  131. Can someone tell me what is this???
  132. Damping factor of 100 at 10KHz?
  133. Help fixing Onkyo TX-SR508
  134. KRELL KSA-50S - Noise distorsion HF
  135. BGW 750C
  136. ESP Project 3A
  137. Can I use a small o/p cap for single ended HF amp
  138. Help me!! nmos 200 problem
  139. Opinions on Quad 303 PC's & components kits?
  140. Burmeister 933 Mk2 Clone
  141. Top Class-A amps Vs Top Class A-B amp for precision and neutrality?
  142. AX6123 sub?
  143. Distortion Hates Symmetry
  144. Loudspeaker protection circuit (form diyaudio) problem
  145. Krell KSA 100 PCB
  146. SymAsym mods ?
  147. The leach amp
  148. The 1K 1W spectra.
  149. Yamaha DSP-E800 External Decoder Subwoofer Gain
  150. Ultra-high performance, yet rather simple - hybrid and more!
  151. lme49810 boards?
  152. ESP P68 and low power
  153. Monarchy SM-70 6 months report ;-)
  154. Preamp Design Guidance
  155. Manual for Arcam Alpha Amp
  156. Need help for modifying an amplifier
  157. BX-1 monoblock class A amp
  158. Is a Preamp's Turn-off Pop Harmful to Opamp IC's?
  159. Hello from Madrid (vintage Marantz inside)
  160. Unusual buzzing situation
  161. Yamaha RX-V765 needs repair
  162. Denon PMA-680R Service Manual
  163. Fuse Question
  164. Etri Fan KSA 100
  165. Hafler mosfet solidstate help
  166. Has anyone used Semelab's MG6333K & MG9413K complementry bipolar devices ?
  167. idle current i(bias) is slowly dropping in one channel
  168. musical fidelity A-X 50/100/200: Any differences above 500 Hz?
  169. Opinions on "Hot rodded" elector HEXFET kits
  170. Crown bias problem
  171. Amplifier A+B with speakers and subwoofer?
  172. Just brought the arcam fmj a32 but get really load popping from the channel left is f
  173. A little amp advice
  174. tantalum and small capacitors
  175. Overload detection circuit for UPC1237
  176. Studio 350 Power Amp
  177. 70's nostalgia
  178. Rebuild my New Dynaco Stereo 120
  179. Need Schematic for PA Stereo amplifier
  180. 40W amplifier, first try
  181. Amcron MT1201 output measurements
  182. Maitner STR-50 power up issue
  183. Does an LME49811 needs a pre driver?
  184. Inter-M R300 plus Transformer
  185. buzz when connecting projector/laptop/amp
  186. JVC RX-508V
  187. Middlebrook "GFT" probe?
  188. A&R Cambridge A60 problem.
  189. A simple, inexpensive, HEXFET amp with EC
  190. How does this provide constant current ?
  191. Any kits for high quality simple preamp
  192. QED A-240 SCHEMATICS
  193. NEW Galliumnitrid and Siliziumkarbid FETS?
  194. ID this transformer
  195. 2.1 Amplifier
  196. transistor hfe help
  197. how to lower THD in small signal BJT amps?
  198. How to measure amplifier`s output impedance wrt Frequency?
  199. Help needen on a power buffer
  200. What Amp board is This?
  201. Output Transistors for the "Super Class A Amplifier" by Jean Hiraga
  202. Crown M 600 blowing the 1.2 amp fuse - not the 20 amp fuse
  203. LME49810 or 11 for mid-high power amplifier?
  204. Realistic SA1000, no info?
  205. Repair a PolkAudio psw111
  206. Amp burning or warmup using 100w 10ohm Load Resistor?
  207. Arcam alpha 9 integrated cd input fault
  208. Krell 1 or Krell 2 ?
  209. ALPS Potentiometer 100k ... Blue RK27112MC noise ??
  210. Sony STR-V333ES blowing power board fuse
  211. Mcintosh Mac 1700 Distortion 1 Channel.
  212. Modding BGW 620B to Class A
  213. Issue While Rehabbing an STA-2100, What To Do?
  214. What to do about my smoking Rotel receiver?!?!
  215. quad 405 power amp advice
  216. Marantz AV Surround Receiver SR-73 - turning off problem
  217. DOM amplifier from semarang city!!!!
  218. The Zodiac: 60 Watt Class H Amplifier with 0.0016% THD
  219. VSSA Circlotron
  220. Classe DR-10 Output Transistors
  221. An interesting op amp comparison a la TexInst:
  222. Ian Hegglun's ClassA^3 Cube-Law Amp
  223. Quad clone R39 burnt
  224. Need some help with 5 channel power stage
  225. Marantz PM 43 dead
  226. Current Source Design
  227. Kenwood KA-6100 BIAS to high
  228. Best Buffer to Sum L&R Without Adding to Crosstalk
  229. Marantz PM-80 class A idle adjusting bias
  230. NAD 2600 Cleaning
  231. Technics SU-V 470 NO SOUND?
  232. Onix OA21s (OA22?) Schematic
  233. No global feedback V TO I converter THD: < 0.001%
  234. Choosing the right transformer current rating
  235. CFA Amp with CMCL and HEC Output Stage
  236. Frustrating interconnect question:
  237. Audio amplifier for test and measurement?
  238. Citation 12 differential pair
  239. Transistors for Naim power amp clone
  240. Variance of RF transconductance of audio bipolar transistors from different manufactu
  241. Nakamichi TA2A - "vented" caps on PS board?
  242. Near Zero THD down to the threshold of hearing
  243. WCF AMP IDEA
  244. How to increase gain of Quad 34 preamp.
  245. Marantz PM80 dead within 10 minutes
  246. Can't find the problem!! :(
  247. Low cost stereo Mini-Mosfet
  248. Citation 16a Capacitor question
  249. PEEL 18CV8P Burner
  250. DxS - The Excess amplifier, an SS (Super Special) model from the Dx Corporation

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