Infinity Reference 5350A, Service Manual

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INFINITY REFERENCE 5350a AMPLIFIER SPECIFICATIONS
TEST VOLTAGE 14.4 +0.1V
Specification Rating Unit Remarks
Power Output 4ohm loads @
(stereo mode) for each ch @<1.0%THD
(Unit:W)(LPF=22K)
≥ 50W x 4 + 150W x 1 Watts
Power Output 2ohm loads @1kHz/50Hz
(stereo mode) for each ch @<1.0%THD
(Unit:W)(LPF=22K)
≥ 75W x 4 + 300W x 1 Watts
Power Output Bridged (Stereo) Mode 4ohm loads
1kHz @<1.0%THD (Unit:W)(LPF=22K)
≥ 150W x 2 Watts
THD Power 4 ohm loads
and 1MD@Reference (Unit:%) LPF=22K
≤ 0.5% @1kHz/50Hz %
THD Power 2 ohm loads
and 1MD@Reference (Unit:%) LPF=22K
≤ 0.5% @ 1kHz/50Hz %
THD Power 4 ohm loads
Bridged (Stereo) Mode (Unit:%) LPF=22K
≤ 0.5% @1kHz %
Channel Separation
@full rated power (+80KHZ) @1kHz
≥ 45dB
Full rated power Distortion 1kHz/50Hz LPF=22KHz ≤ 0.1% %
Signal/Noise Ratio
a: 1 watt into 4 ohms
b: full rated power (dB)
>85
>100 dBA 1V signal input
Input Sensitivity
Low Level Input(v) @:full rated power
100mV-6V Volts ±20%
Frequency response (Unit:-3dB) 10Hz~100kHz; 10Hz~200Hz Hz -3dB
High-Pass Crossover Frequency 20% 32Hz – 320Hz Hz
Low-Pass Crossover Frequency 20% 32Hz – 320Hz; 20Hz – 200Hz Hz
Bass Boost:(Unit:dB) @50Hz (±5Hz ) 0~6dB dB ±1dB
Idle Current ( @ 4ohm) 1.9A A ±0.15A
MAX current: rated power (All channel 2 ohm load) ≤ 75A A
DC Offset: ≤ 30mV mV
Damping Factor (4ohm):
＞
200
Effective damping factor (4ohm): 6.395
Dynamic Power @ 2 ohms 850W Watts
Output Regulation @ 4 ohms 0.03dB dB
Remote Operating Voltages: ON 5V OFF 4V Volts ±1V
Turn on delay time 2 to 3 Sec
Circuit Protection
a. Temperature
b. Speaker Short Circuit
c. Operating Voltage Range
85 ±5 deg C
Yes
8~16V +0.5V
Dimensions (L x W x H): 16-9/16" x 9" x 2-11/16"
(361mm x 229mm x69mm)
Inches
mm
Fuses 40A x 2 A
2
5350a Reference Series