File name Infinity-Reference610_611 caramp.pdfReference Series
610a
611a
1 CHANNEL POWER AMPLIFIER
SERVICE MANUAL
Infinity Systems, Inc.
250 Crossways Park Dr.
Woodbury, New York 11797 Rev2aa10/2005
Power Amplifier Reference 610a/611a
- CONTENTS -
SPECIFICATIONS ...1
FEATURES/TEST CONDITIONS...2
CONTROLS/CONNECTIONS...3
INSTALLATION...5
BASIC TROUBLESHOOTING...7
TYPICAL SYSTEM WIRING...8
EXPLODED VIEW/PARTS LIST...9
MECHANICAL PARTS LIST...10
AMPLIFIER BLOCK DIAGRAM...11
P.C.B. DRAWINGS...12
ELECTRICAL PARTS LIST ... 16
REF 611a ELECTRICAL PARTS LIST ADDENDUM...20
IC/TRANSISTOR PINOUTS...21
REF 610a SCHEMATICS...27
REF 611a SCHEMATICS...30
PACKING...33
Reference 610a/611a Specifications
Output Power: 456W RMS x 1 channels @ 4 ohms; 1% THD + N
(14.4V supply) 657W RMS x 1 channels @ 4 ohms; 1% THD + N
Signal-to-noise ratio: 70dBA (reference 1W into 4 ohms)
Dynamic power: 761W @ 2 ohms
Effective damping factor: 6.336 @ 4 ohms
Frequency response: 17Hz 302Hz (3dB)
Maximum input signal: 6.0V
Maximum sensitivity: Reference 610a - 250mV
Reference 611a - 75mV
DC Offset <50mV (-50%)
Output regulation: .179dB @ 4 ohms
Idle Current 1.5A
Input Impedance 22k
Max Current Draw 43A @ 4 ohms
|