Standard features – Xtant Model 603x User Manual

Page 6

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The 603x is a “true” three (3) channel amplifier which com-

bines unique performance features with outstanding design

flexibility to provide a single chassis “system solution” for

most mobile audio applications. With its on-board crossover, a

high performance, bi-amplified system is easily configured.

By utilizing the on-board crossover’s four (4) RCA line outputs, you can steer

specific frequency ranges to additional amplifiers, thus eliminating the need

for external, active crossover components.

As with all Xtant “x” Series amplifiers, the 603x incorporates an on-board

noise gate, forced convection thermal management system, and a Pulse Width

Modulated power supply for high efficiency and unsurpassed reliability. All

these features are encased in Xtant’s exclusive finish of stainless steel and

copper!

Standard Features

Forced Convection Cooling: All Xtant “x” Series

amplifiers employ forced convection cooling for thermal man-

agement. An on-board thermal sensing circuit regulates fan

speed to maintain optimum operating temperature.

PWM Power Supply: All Xtant “x” Series amplifiers feature

a fully regulated, Pulse Width Modulated power supply. This sup-

ply technology provides high efficiency and consistent output performance even

when battery voltage is less than optimum.

Crossover: 12 dB (Butterworth)/24dB (Linkwitz-Reily) filter network with

selectable Bypass (Full Range), High Pass, or Low Pass modes of operation.

Frequency selection is via a 12 pin Frequency Module (SIP). The amplifier is

shipped with a 90 Hz SIP installed, 13 other frequencies are available from your

Xtant Dealer. Refer to page 7 of this manual for a list of the available frequencies.

Noise Gate: Provides deep muting when no musical signal is present. Features

include adjustable threshold and bypass switch.

Balanced / Floating Input: The 603x offers a built on board balanced

input stage. When placed in the enable position this circuitry helps to eliminate

“system noise” associated with “ground-loops”. Additionally the balanced input

allows the 603x to accept input voltage from 100mV to 17V.

Modular Expansion Port: All Xtant amplifiers are supplied with a mod-

ular port used for docking any of Xtant’s signal processing modules.

Protection Circuitry: Both Thermal and Overcurrent protection has been

incorporated into all Xtant amplifiers. In the event of a problem, the amplifier will

reduce its power to maintain operation.

Status LEDs: Four LEDs, visible through the cover, indicate operational status

of all Xtant amplifiers. The red LED illuminates when the amplifier is “ON”, the

green LED indicates when the noise gate is open, the yellow LED indicates that

overcurrent protection is employed and the orange LED indicates that the ther-

mal protection circuit is operational.

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