Jeff Rowland Design Group 312 owner manual O D U C T F E At U R E S

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P R O D U C T F E AT U R E S

OWNER’S MANUAL MODEL 312 STEREO AMPLIFIER

XLR input connectors for balanced system configuration.

RCA input connectors for unbalanced system configurations.

Dual Speaker Output Terminals on each channel for bi-wiring applications.

User selectable switching between balanced and unbalanced connections.

Transformer coupled inputs provide universal compatibility with other components and eliminate ground loop noise and EMI.

High efficiency ICEpower® power conversion technology generates high output power with very little heat.

Fully-balanced topology implemented in both input and output circuitry.

Power Factor Correction (PFC) in power supply reduces AC line har- monic noise pollution and increases AC line power utilization to 99%.

Proprietary switch-mode power supply technology ensures consistent performance under all operating conditions.

12V remote ON/OFF remote power switching via 1/8” jack on rear panel.

Standby power mode reduces warm-up time.

CE approved speaker output terminals require no tools for secure, low resis- tance connections.

Fail-safe operation provided by user-resetable thermal circuit breaker located on rear panel.

Quiet, transient-free operation during power ON/OFF and input configuration switching.

Selectable overall gain of 26 or 32 dB.

Ultra-low resonance, structurally rigid chassis, precision-machined from a solid block of aircraft grade 6061-T6 aluminum.

3-point self-leveling chassis support.

© Jeff Rowland Design Group 2007. All Rights Reserved.

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Contents Page TA B L E O F C O N T E N T S T R O D U C T I O N XLR input connectors for balanced system configuration O D U C T F E AT U R E SPAC K AG E C O N T E N T S I T I a L I N S P E C T I O N Pac k i n gI n t e n a n c e & C l e a n i n g Protection Systems S ta l l at i o n , U s e & c a r e Risk of Electrical ShockJeff Rowland Design Group 2007. All Rights Reserved G n a l & p ow e r c o n n e c t i o n s Jeff Rowland Design Group 2007. All Rights Reserved G n a l & p ow e r C o n n e c t i o n s Constant 3v To 15v DC Signal 12VDC Typical tip Ground sleeve E C I F I C AT I O N S M E N S I O N S Overall gain adjustment T i o n a l a d j u s t m e n t s