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Panel Descriptions
Black Max Rear Panel
1. Speaker Terminals - Connects to 70V constant voltage speaker loads. One set for each amplifier section.Accepts up to
#
10 AWG wire or spade lugs for speaker system connections.
2. Ground Terminal - Provides convenient access to earth ground.
3. Automatic Sleep Mode - Allows the unit to automatically put itself into a sleep mode when there has been no input
activity for more than 3 minutes. In sleep mode, the amplifier’s idle power is greatly reduced. The amplifier immediately
and noiselessly returns to its full-powered state when a signal is detected at an input. Flush switch actuators reduce tam-
pering.
4. CH B Input Select Switch - Allows output Channel B to source its input signal from either "A BAL INPUT" or "B BAL
INPUT".
5. Lo-Cut Filters - Roll off frequencies below 60 Hz (2nd order) to prevent saturation of speaker transformers.Flush switch
actuators reduce tampering.
6. Fan Exhausts - Cooling air outlets for independent, variable speed cooling fans.
7. Line Cord - AC mains input line cord.
8. AC Power Status Indicator - Indicates the AC power status of the Black Max amplifier.When the indicator is not lit,
no
A
C po
wer is applied to the line cord.When lit amber, power is applied to the line cord but no sequential trigger has
been received to place the amplifier into a fully powered up state (or power switch is off).When lit green, the amplifier is
full
y powered.
9.
Power Sequencing Switch -
T
urns power sequencing on or off so that an amplifier can be controlled by either its front
cir
cuit br
eak
er s
witch or by another Black Max amplifier. Flush switch actuators reduce tampering.
10. Power Sequencing Inputs - Multiple Black Max amplifiers can be wired together in a daisy chain to allow for controlled
sequential power-up.A pluggable screw terminal strip is provided for easy installation.
11. Input Sensitivity Switch - Allows the unit to reach full power at either line-level input (1V) or low-level input (0.1V).
12.
High-Impedance Balanced Inputs -
Pluggable 3-position scr
ew terminal strips allow for easy installation and provide
convenient connections to high-impedance balanced inputs.
13. Input Level Controls - Continuously variable input level controls.
3