Infinity 5760a, Руководство по обслуживанию

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Features
• 4-Channel Operation
•
Advanced MOSFET Oversized Floating Rail Power Supply
•
Floating Ground Factory - Head - Unit Speaker - Level input
•
Variable lnput Sensitivity (250mV
-
6V)
• Fully Complementary Output Stage with Class-A6 Voltage Amplification
•
Gold-plated Power, lnput and Output Connectors
• 2-Ohm Stable (Stereo)
Test Conditions and Notes
• All tests to be done, unless otherwise specified, from 10Hz to 47KHz and 302Hz
at 14.4V DC into 4 ohm loads and adjust the units gain so that with a .775 volt
input signal the unit is at Its maximum rated output. All measurements will be
done using an Audio precision system one and the supply voltage.
•
An A+ line voltage of 14.4V DC shall be applied to the unit under test for all
measurements unless otherwise specified. The voltage applied to the unit shall
be measured at the power connection on the Amplifier.
•
Signal Source
Unless otherwise specified, all tests shall be conducted with the Audio Signal
Generator output configured to be balanced, less than or equal to 50 ohm source
impedance, and floating. The signal source "GND" shall be connected to the
Amplifier PWR GND at the Amplifier.
• Output Load
Unless otherwise specified, all tests shall be conducted with 4 ohm resistive
loads having less than 10% reactive components at any frequency below 47KHz
and 302Hz. Each resistor shall have a value that remains within 1 % while
dissipating the rated output of the unit under test.
•
Power Indicator Green LED steadily illuminates for normal operation. Illuminates
up Red LED blinks when protection circuitry is engaged, and during power up.
Power Amplifier
Reference 5760a/5761a
2