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View Full Version : Solid State


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  1. Which source resistor to use MOR or Wirewound or Metal film?
  2. Internal difference between the LME49811 and LM4702?
  3. Selection rules for input and driver BJTs?
  4. Muses - LOW POWER BRIDGE AMPLIFIER
  5. Plinius SA 250 MK 4 --fireworks -repair
  6. Linear Regulator Audio Power Amplifier, do you know something about this?
  7. crimson 620 input sensetivity
  8. Krell KSA300S Recap?
  9. Replace ceramic with film
  10. Arcam Alpha 10 HF oscillation
  11. Any good driver transistor that have LTSpice model available
  12. Power amp protect circuit fault finding
  13. Modding a Nikko na-500
  14. LME49811 and PNP Quasi
  15. Smart theater systems TA440 schematics/manuals
  16. BDY90 - Useful in Audio Amps ????
  17. Toggle switches
  18. Bootstrap vs Current Source
  19. Question about TMC
  20. Steps to debugging Class AB amp
  21. CSH9 - Simple DC coupled power amp with pre-amp, volume control and DC servo
  22. Better part National 2N5566, or Linear Systems LSK389?
  23. Musical Fidelity P170 setup
  24. Audio Research D100a
  25. equalizer with a pre Mark Levinson No. 380s
  26. Samson Amp-What is this part?
  27. SS Amps for Improved Detail and Sound Stage
  28. THD in Circuit Maker 2000
  29. LTspice project of a Solid State Amp
  30. 12V to 250V/20mA power supply with ne555-needed
  31. HH Eletronic M900 any good??
  32. What do you like more BJT vs JFETs?
  33. Radial Lead Emitter Resistors
  34. Need Relay for Technics SA-5270
  35. JLH 1969 first amplification stage, need explanation
  36. Musical Fidelity original transistors and upgrades
  37. Urgent : Forum members in France Toulouze
  38. ultra low noise regulator
  39. Transistor differences due to manufacturing?
  40. Marantz sr5002 only takes input in 1 channel
  41. Need help understanding Haffler DH220 Design
  42. Rotel amplifier RA1412
  43. CFP TMC EF3 VFA
  44. 20W transistor audio amp
  45. Marshall Avg150h Problem
  46. Anyone have a schematic for a Realistic SA-102?
  47. Extreme Hi-End Hybrid Amplifier End
  48. to92 transistor replacement
  49. Another CFA from MJ Magazine
  50. Is it ever desirable to have *low gain* transistors?
  51. what software is this?
  52. Request redrawing schematic from pdf to eagle
  53. Very interesting Youtube and Blog on Measuring Instruments and repair.
  54. 4 ohm speakers with a Plinius SA50?
  55. How to wire an inuke to my A/V receiver?
  56. Pioneer amp + b&w speaker, good match ?
  57. Where to buy assembled pcb boards ??
  58. soundcraftsmen PCR-800 Question
  59. Help with first amplifier design
  60. BC550 vs KSC1845, BC560 vs KSA992 and others.
  61. Step further from zen
  62. Thule Spirit IA100
  63. 10000uf 71V E. caps
  64. How to measure Vrms of laptop headphones jack output?
  65. Hybrid question
  66. Quad 405 - Bridge Mod
  67. technics power transformer
  68. NAD C300 strange sound, then dim red light only. Ideas?
  69. sj201-y for sony amp
  70. [Question] RCA DIY replacement & Rust on the solder joint
  71. 1N60 diode replacement
  72. Racking (1) 500-series in 1U / 2U...
  73. Simple BJT class A stage reduce white noise
  74. Audiolab Pre/Power problem question
  75. LME49810 with a pair of Jfet source followers at the input?
  76. Elector amplifiers articles
  77. Articles from Hi Fi News Mid 1980s
  78. Help with Kenwood M2A
  79. Arcam Alpha 8 DC offset adjustment
  80. Trimpot on 2SK170 for matching on a Pacific Phono Stage
  81. Standing current through ungapped choke
  82. Recommended Amps (clones included)
  83. NAD 565BEE
  84. dull sound, but flat frequency response up to 20kHz
  85. Parasound halo a23 removable bottom cover?
  86. Help me to understand this phono pre;
  87. Paralleing Lateral mosfets and source resistors required?
  88. My first build: DoZ
  89. My First Amplifier Design
  90. ADCOM GFA555II Static Pop
  91. Behringer A500 Supply Rail Voltage.
  92. Advantages of Power Cords with braided Shield for high Power Solid State Power Amps
  93. Rotel RX-845 Burning Resistors
  94. 75w Vmos Amplifier (le haut parleur n1739)
  95. 40w audio amplifier
  96. Where do you buy your components?
  97. quad 405 mono block bodge up
  98. Please help troubleshoot my HEXFET amplifier
  99. Thule IA60B restoring/tweaking
  100. Sony TA-5650 V-Fet making it sound even better...
  101. Filter Capacitor Ventialtion?
  102. Mystery component in a Classe power amp
  103. Connector Help
  104. parasound halo a23 ps cap size dimentions needed please!
  105. right channel brighter than left - Pioneer SX680
  106. TGM9 - my version of the JLH '69 Class A amplifier
  107. Why having diodes from output to rail in OPS?
  108. Changing tone characteristics on amp board
  109. Fetulele Amp
  110. convert sugden a88 to power amp
  111. Musical Fidelity Synthesis
  112. Help to convert these Lat-Fet amp to Toshhiba mosfet
  113. Need a little help with amplifier protection circuit problem
  114. Please comment on this IPS/VAS design
  115. Class "A" Solid State
  116. Denon DRA-335r problems
  117. Adcom GFA-5300 rebuild, manual needed, parts upgrades?
  118. Reservoir in Electrocompaniet otala amplifier
  119. Lateral MOSFET amplifier project
  120. TDA7297 output
  121. Help me repair my Hafler DH500?
  122. Info and spec needed for Harrison 1200
  123. Please help denon avr 1804 5.1 not working
  124. marantz like pre-amp
  125. Crest amplifier repair
  126. I need help, how to charge to renovate sophisticated Solid State amplifiers
  127. Crest Pro9200
  128. Brass PCB stanoff size
  129. Harman Kardon AVR 130 (Channel 7 problem)
  130. HELP....Perreaux SA2 noisy phono section
  131. Bryston 7B SST (7 B SST, 7BSST) - Why is sound quality not good ?
  132. Help needed with transistor substitution
  133. Strange Waveform
  134. NAD L40 CD Problem
  135. bypassing rear gain pots on parasound halo a 23 amp
  136. Using LME49713 for preamp, large DC offset
  137. Creek 4140s2
  138. insulator fo audio ic
  139. RIAA preamp project
  140. HELP!! SA800 Pro amp not working
  141. transistor
  142. Convert stereo to mono?
  143. Troubleshooting help
  144. NAD 2100 won't go into bridged mode
  145. volume pot and input impedance issues with LME49830
  146. Kenwood KA-8006 restoration?
  147. anyone seen one of these?
  148. Akai AA-6100
  149. BF245C those who built it?
  150. Toshiba sa-400
  151. ADCOM GFA-5500 bridging ??
  152. Roksan Kandy KA1
  153. help me building this 2n3055 amplifier
  154. Absolute Polarity Question
  155. AQUARIUS AMPLIFIR
  156. Another Hafler 220
  157. Pioneer SA-608 phono stage hum
  158. Bedini 100/100 (802mod) high DC offset problem
  159. Help Identifying Zener? diodes in 1985 Accuphuse Amp
  160. ZCA amplifier question.
  161. Putting a super light phono amp inside the tonearm?
  162. Roland SRA 540
  163. First time DIY'er - Mono Amps
  164. Combined Mic + Line preamp - Single gain control?
  165. HK avr645 Display Lights of death
  166. Arcam 6 Plus Amplifier Repair
  167. Help a noob out- NAD3020 and system compatability questions :)
  168. Superphon Revelation Basic volume pots
  169. Help me understand mono BTL power math?
  170. Delco DTS 410 output transistors
  171. Arcam A65+ high DC offset and thump sound, help please.
  172. Optonica SM-4646 Recap?
  173. DIY power amp 250 - 300W @ 4Ohm
  174. Please comment on my OPS design
  175. Question about recapping amp
  176. How can I substitute a STK00xx darlington power pack with a transistor based circuit?
  177. Transformer influence
  178. Little Angel Power Amplifier
  179. Need suggestion of power supply filters
  180. Need Mitsubishi DA-R10 manual
  181. How do I adapt vintage amp for new spades
  182. Nad 3120 Recap results
  183. Looking for a design recommendation for an AB amp.
  184. Inexpensive Chinese audio boards
  185. NAD C315BEE Buzz, replaced capacitors, now new kind of buzz
  186. The filtering of the preamp with the PGA2310 project
  187. Is there any reason why people don't use darlington power transistor?
  188. Rega brio bias setting
  189. Op-Amp Phono Pre
  190. 62-0-62 volt power transformer: options?
  191. MONO Fun
  192. Choosing a power transformer
  193. Another Sony DE375 Broken (2SD1513 no voltage)
  194. Cary solid state amp repair
  195. easy SAP17N
  196. Does anyone have a pair of 2SD555's they'd part with?
  197. Cyrus 2 output transistors
  198. A little nudge in the right direction.
  199. Bias effect dB?
  200. How to clean up the inside of amp?
  201. Help me choose a vintage amp to restore
  202. V8 input board recap - re voltage regulator
  203. Adcom GFA-2 recap....should I replace rectifiers/snubber caps???
  204. Question on parts for a new build
  205. Looking for Battery Wiring for Diagram for NEW class A DCA33
  206. Mosfet Short, capacitor problem?
  207. taxi radio interferance on Leak 2000 tuneramp
  208. Need a preamp for a beautiful Sony TA-3200F
  209. wilson sziklai pair MODULE
  210. Parasound HCA 2200 mark ii problem
  211. High End 120W Mosfet IC driven amp
  212. Terminating AC Power Cord's Ground Via Resistor, Thoughts?
  213. AD846AN (AD-846 AN) as Front End in Power Amplifiers
  214. Harman Kardon PM665 Vxi Operating Mode
  215. Citation 16 Series A Capacitor Replacement.
  216. Help on deciding the topology of the design.
  217. Surface mount diode identification required
  218. Bss fds388
  219. Increasing Power Output of Amplifier
  220. After defect, one channel oscillates
  221. Classic NAIM diy?
  222. Subwoofer sound degrading - electronics fix?
  223. REVISION OF Very Best Amplifier ... 2015
  224. Linn Intek emitter resistors
  225. Did I go overboard on this power supply?
  226. Question on Thermal Track BJT in parallel application.
  227. Sugden a88/a48 pot values
  228. NAKAMICHI IA-2 AMP HELP
  229. 'Sandwich' power transformers between 2 heatsinks
  230. Transformer voltage info needed
  231. Setting bias on Zen headphone amp
  232. gold aero db45 phono stage output DC offset
  233. IRF530 Linear POwer Amplifier AN948 Recommended IR Circuit
  234. Op-Amp Buffer into 1073?
  235. My Onkyo-LJM L20 Project.
  236. Help me debug this
  237. Passive ducted heat sink?
  238. Amplifier Clicking Problem
  239. NAD 7020 noise on left power amp
  240. citation 12 questions
  241. pionner QA-800A
  242. pionner QA-800A
  243. Compare the sound between BJT and MOSFET OPS
  244. Schematics for Boston MCS130 Subwoofer Amp
  245. Help with NAD3020 DC Offset Problem - Please!
  246. DC servo introduces more odd harmonics
  247. Refurbished Krell KSA 100
  248. How to tell the positive and nagative pole?
  249. Buzz in a vintage amp
  250. need soundcraftsmen pcr800 schematics

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