File name Infinity-Reference310_311 caramp.pdfReference Series
310a
311a
1 CHANNEL POWER AMPLIFIER
SERVICE MANUAL
Infinity Systems, Inc.
250 Crossways Park Dr.
Woodbury, New York 11797 Rev2aa10/2005
Power Amplifier Reference 310a/311a
- 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 ... 15
REF 311a ELECTRICAL PARTS LIST ADDENDUM...18
IC/TRANSISTOR PINOUTS...19
REF 310a SCHEMATICS...22
REF 311a SCHEMATICS...24
PACKING...26
Reference 310a/311a Specifications
Output Power: 116W RMS x 1 channels @ 4 ohms; 1% THD + N
(14.4V supply) 312W RMS x 1 channels @ 4 ohms; 1% THD + N
Signal-to-noise ratio: 81dBA (reference 1W into 4 ohms)
Dynamic power: 347W @ 2 ohms
Effective damping factor: 6.398 @ 4 ohms
Frequency response: 17Hz 302Hz (3dB)
Maximum input signal: 6.0V
Maximum sensitivity: Reference 310a - 250mV
Reference 311a - 75mV
DC Offset <50mV (-50%)
Output regulation: .05dB @ 4 ohms
Idle Current 800mA
Input Impedance 22k
Max Current Draw 24A @ 4 ohms
40A @ 2 ohms
Dimensions: |