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Summary of Contents for Primare A31.2
- Page 1 All manuals and user guides at all-guides.com PRIMARE A31.2 Power Amplifier Service Manual...
- Page 2 All manuals and user guides at all-guides.com Schematics and Pcb. Technical Specifications. Confidential ! This document is not allowed to show for third part without written permission from Primare Systems AB. This document is subject to change without notice. Author: Bjorn Holmqvist Primare AB...
- Page 3 All manuals and user guides at all-guides.com - CONFIDENTIAL - R46 15K C105 R113 R45 15K D119 Z102 REG103 330k R159 15K -18VL n.c. Vout Vout +15VL C106 C143 R160 15K Vout Vout U101 C124 nc 10U/50V n.c. 22U/50V R114 D120 LM317LM R112...
- Page 4 All manuals and user guides at all-guides.com P301 D311 R324 R323 STANDBY JP308 PMLL4148 HEADER 2 390R 390R D312 PMLL4148 C310 JP304 D313 D303 R303 PMLL4148 R345 6.2V 100k C301 330N HEADER 2 HEADER 2 100K Q311 10U/16V JP301 JP305 BC856B 3.5MM-JACK R325...
- Page 5 All manuals and user guides at all-guides.com...
- Page 6 All manuals and user guides at all-guides.com IDLE CURRENT ADJUSTMENT Connect the voltmeter to JP2 ( JP102) ADJUST R23 ( R123 ) TO 20mV After the power has been on for 60 min readjust R23 (R123) Remove the voltmeter. Instructions apply to the Right channel. Instructions given in brackets apply to the Left channel.
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Page 7: Technical Specifications
All manuals and user guides at all-guides.com TECHNICAL SPECIFICATIONS Output power per channel 120W/8 ohm,200W/4 ohm (1X400W) Output impedance 0.03 ohm DC offset <5mV Frequency response <10HZ-100KHZ -3db Signal to noise A-weighted 100 dB THD+noise <0.08% Standby <3.5W DIMENSIONS (WXDXH) 430X385X100 MM Weight 16Kg...