Infinity Reference 475a User Manual

To Head Unit
Rear
To Head Unit
Front
Rear Speakers
Subwoofer
Front Speakers
6
The 5350a can be configured for 5-channel or
3-channel operation, as shown in Figures 9
and 10.
INPUT MODE SWITCH:
s5SE).4INTERNALMODETOSENDASIGNALFROM
the front and rear inputs to the subwoofer.
s5SE%84EXTERNALMODEWHENSENDINGA
dedicated signal to the subwoofer inputs; e.g.,
if your source unit has a subwoofer output.
NOTE: Minimum speaker impedance for
stereo operation is 2 ohms. Minimum speaker
impedance for bridged operation is 4 ohms.
Minimum impedance of any subwoofer or
combination of subwoofers is 2 ohms.
APPLICATIONS – 5350a
Figure 9. 5350a connected to four satellite
speakers and a single subwoofer. Note
crossover and channel assignment settings.
Figure 10. 5350a connected in bridge
(3-channel) mode to a pair of satellite
speakers and a subwoofer. Note crossover
and channel assignment settings.
NOTE: If head unit includes
a separate subwoofer output,
connect it here and place
SWITCHIN%84POSITION
NOTE: If head unit includes
a separate subwoofer output,
connect it here and place
SWITCHIN%84POSITION
NOTE: If head unit has only two preamp outputs,
do not connect to rear, and place rear input
source switch in the FRONT position.
Left Speaker
Subwoofer
Right Speaker
To Head Unit
Front Output

Infinity Reference 475a Specifications

General

Damping factor	6.3
Amplifier class	A/B
Frequency range	10 - 100000 Hz
Input sensitivity	100 mV
Built-in crossover	No
Audio output channels	4.0 channels
Peak power per channel	117 W
Signal-to-Noise Ratio (SNR)	85 dB
Total Harmonic Distortion (THD)	0.02 %
RMS power output per channel (2 Ohm)	90 W
RMS power output per channel (4 Ohm)	75 W
DC-in jack	Yes
Audio (L/R) in	21
USB 2.0 ports quantity	0
Speakers connectivity type	Clamp terminals
Purpose	Car
Material	Aluminum
Cooling type	Passive
Product color	Aluminium, Grey
Volume control	Rotary
Connectivity technology	Wired
Maximum current	72 A
DC input voltage	10 - 14 V

Weight and Dimensions

Depth	360 mm
Width	229 mm
Height	68 mm