Audiovox Jensen PS475 User Manual download pdf (Page 11)

PS475

Specifications

CEA Power Ratings

PS475

Power Output: 75 watts RMS X 4 channels into 4-ohms @ < 1% THD+N

Additional Power Output: 85 watts RMS X 4 channels into 2-ohms @ < 1% THD+N

184 watts RMS X 2 channels (Bridged stereo) into 4-ohms @ < 1% THD+N

Dynamic Power: 150 watts X 4 channels into 4-ohms

Dimensions: 13 ¼" X 12" X 2 ¼" (333mm X 302mm X 55.5mm)

General Specifications

Frequency Response: 10Hz to 50kHz (-3dB)

Signal to Noise Ratio: 100dBA below reference. (Reference: 1 watt, 4-ohms)

Channel Separation @ 1kHz: <60dB (Reference: 1 watt, 4-ohms)

Input Sensitivity: 300mV to 8V for full power output at clipping (1% THD+N)

Bass Boost: 0 to +18dB @ 45Hz, continuously variable

Crossover: 12dB/octave, 40Hz to 400Hz, Butterworth alignment

Reference Supply Voltage for rated power: 14.4VDC

Power Supply: 14.4VDC, (11 to 16VDC allowable), negative ground

Specifications subject to change without notice.

12-Month Limited Warranty

AUDIOVOX CORPORATION (the Company) warrants to the original retail purchaser of this product that should this

product or any part thereof, under normal use and conditions, be proven defective in material or workmanship within

12 months from the date of original purchase, such defect(s) will be repaired or replaced with new or reconditioned

product (at the Company's option) without charge for parts and repair labor. To obtain repair or replacement within

the terms of this Warranty, the product is to be delivered with proof of warranty coverage (e.g. dated bill of sale),

specification of defect(s), transportation prepaid, to the warranty center at the address shown below.

This Warranty does not extend to the elimination of car static or motor noise, to correction of antenna problems, to

costs incurred for installation, removal, or reinstallation of the product, or damage to tapes, compact discs,

accessories, or vehicle electrical systems. This Warranty does not apply to any product or part thereof which, in the

opinion of the Company, has suffered or been damaged through alteration, improper installation, mishandling,

misuse, neglect, accident, or by removal or defacement of the factory serial number/bar code label(s) or markings.

THE EXTENT OF THE COMPANY'S LIABILITY UNDER THIS WARRANTY IS LIMITED TO THE REPAIR OR

REPLACEMENT PROVIDED ABOVE AND, IN NO EVENT, SHALL THE COMPANY'S LIABILITY EXCEED THE

PURCHASE PRICE PAID BY PURCHASER FOR THE PRODUCT.

This Warranty is in lieu of all other express warranties or liabilities. ANY IMPLIED WARRANTIES, INCLUDING ANY

IMPLIED WARRANTY OF MERCHANTABILITY, SHALL BE LIMITED TO THE DURATION OF THIS WRITTEN

WARRANTY. ANY ACTION FOR BREACH OF ANY WARRANTY HEREUNDER INCLUDING ANY IMPLIED

WARRANTY OF MERCHANTABILITY MUST BE BROUGHT WITHIN A PERIOD OF 30 MONTHS FROM DATE OF

ORIGINAL PURCHASE. IN NO CASE SHALL THE COMPANY BE LIABLE FOR ANY CONSEQUENTIAL OR

INCIDENTAL DAMAGES FOR BREACH OF THIS OR ANY OTHER WARRANTY, EXPRESS OR IMPLIED,

WHATSOEVER. No person or representative is authorized to assume for the Company any liability other than

expressed herein in connection with the sale of this product.

Some states do not allow limitations on how long an implied warranty lasts or the exclusion or limitation of incidental

or consequential damage so the above limitations or exclusions may not apply to you. This Warranty gives you

specific legal rights and you may also have other rights which vary from state to state.

U.S.A: Audiovox Corporation, 150 Marcus Blvd., Hauppauge, NY 11788, 1-800-323-4815

CANADA: Call 1-800-323-4815 for location of warranty station serving your area.

Troubleshooting

Note: If the protection light is activated with no speakers connected to the amplifier, and

all the power connections are correct, this would indicate an internal problem with the

amplifier.

Problem Possible Cause Corrective Action

Amplifier does

not turn on

No power to +12V terminal Check fuse(s)

No power to REM terminal Check head unit fuse(s) and wiring

Blown main fuse at battery Replace fuse and identify cause of failure

Blown fuse at amplifier Replace fuse and identify cause of failure

Faulty ground Reground main power ground to bare metal

chassis

Volume control

too sensitive

Input level control adjusted too

high

Readjust the input level (refer to page 9)

Distorted sound Input level control adjusted too

high

Readjust the input level (refer to page 9)

Blows fuse(s) at

amp

Power wires connected back-

wards

Reconnect power wires properly

Internal problem with amp Take unit for service

Engine noise /

Alternator whine

Ground loop(s) Use good quality shielded RCA cables

Faulty ground at amp Reground amp to clean bare metal chassis

Faulty ground at head unit Reground head unit to clean bare metal chas-

sis

Inductive coupling Reroute RCA and/or speaker wires away from

factory harnesses

Input level on amp set too high Readjust input level (refer to page 9)

Thermal protec-

tion activated

Amplifier driving 2 ohm load or

bridged mono for long dura-

tions

If the amplifier “thermals” frequently while driv-

ing subwoofers, a fan may need to be installed

to keep amp cool

Short circuit pro-

tection activated

Blown speakers Check all speakers

Speaker wire(s) shorting to

ground

Check for faulty wiring

Defective crossover Faulty passive crossover

Low impedance

protection acti-

vated

Amp connected to improper

load

Check speaker connections

Amp will not drive a 2 ohm

mono load, 4 ohm minimum in

mono configuration

Verify that speakers are connected properly

Speakers defective/blown Check speakers

Faulty passive crossovers Check crossovers

Poor bass

response

Speakers out of phase Check speaker polarity; reverse the connec-

tion to one speaker only

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Audiovox Jensen PS475 User Manual Page 11

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