The STAND BY terminal is used to turn on the amplifier with a remote switch.
Note: Standby mode must first be activated by moving a jumper (J1) on the input board (standby mode is disabled by default). See Figure 1 on back page.
When the POWER switch is turned on, the amplifier goes into standby mode. In this state, the amplifier is on but signal is not allowed to pass. Shorting the STAND BY terminal to the GND 
terminal with an external switch causes the amplifier to become fully operational.
contained in the socket, behind the cover located at the bottom of the socket. Replace only with same type fuse.
The VOLTAGE SELECTOR switch is used to select the AC supply voltage for the amplifier. Move switch so the AC line voltage used appears on the switch (DOWN for 115V, UP for 230V).
The H.P. switch activates a
The L.P. switch activates a
UP4000 Series
Power Amplifier
Quick-Start Guide
UP 4161 - P.A. AMPLIFIER
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2 | 2 | 2 | 2 |
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The STANDBY GND terminal on the COMMANDS terminal strip is the common connection point for STAND BY.
The OVERL. 300mA terminal is active whenever the amplifier's overload protection circuit is activated. This provides 18 VDC with a maximum output capacity of 300mA for driving an auxiliary relay or indicating LED.
The OVERL. GND terminal on the COMMANDS terminal strip is the common connection point for OVERL. 300mA.
AC Protection Fuse protects the power supply and amplifier circuitry. Replace only with same type fuse.
Connect the supplied AC linecord to the IEC AC Socket. The AC line fuse is
frequencies above 7kHz at 12 dB/octave.
The UNBALANCED IN jack is an
UNBALANCED IN.
The PARALLEL OUT jack is an
The SENSITIVITY switch adjusts the input sensitivity of the UNBALANCED IN from 0 dB (typical
The UP4000 Series Power Amplifiers are designed for continuous duty in speech, music, paging, and sound reinforcement applications in churches, schools, offices, and other venues demanding high performance, flexible features, and rugged dependability.
Two discrete inputs with priority are provided. The main program input is actively balanced and terminated to a barrier strip connection on the rear panel. The second input is unbalanced and terminated to a single RCA connector. A contact closure will give priority to the balanced input by muting the unbalanced input. The unbalanced input features a parallel output and
Output modes include 4Ω constant impedance and 25V, 50V, 70V, and 100V constant voltage. The smart output stage is
power at a barrier connector on the rear panel, which may be used to drive LEDs or relays. The UP4000 Series operates on either 115 VAC or 230 VAC, 50/60Hz, as determined by the Voltage Selector switch, and supplied by a detachable IEC power cord. Insulated terminals to connect a backup 24 VDC battery are provided on the rear panel. Switchover to DC is automatic. A programmable
The front panel provides a Master volume control, and Low and High EQ controls. The control knobs can be removed for security, and their recessed shafts covered with the supplied inserts. LEDs indicate power, stand- by mode, signal present at the output, peak, and output overload. 12 dB/octave Low and High shelving equalization with up to 12 dB of
UP4000 SERIES |
INPUT BOARD |
fully protected against permanent damage caused by overloading, shorts, and extreme temperatures. Activation of the overload protection circuit turns on 18 VDC (300mA)
boost or cut at 100Hz and 10kHz can be applied to the output signal.
Accessories include a rack mounting kit.
JP6 | J1 |
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| 2 | STANDBY DISABLED |
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Fig. 1: UP4000 Standby Mode Jumper (J1)
www.mackieindustrial.com
16220
TEL 888.337.7404, FAX 425.487.4337, industrial@mackie.com
UK +44.1268.571.212, FAX +44.1268.570.809
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GERMANY +49.2572.96042.0, FAX +49.2572.96042.10 +industrial@mackie.de
Part No.
© 2001 Mackie Industrial. All Rights Reserved. Printed in U.S.A.
| Safety First! | 1. | Never install, connect, or disconnect |
| Before connecting and using the |
| the unit with the power supply on. |
| 2. | Before powering up the UP4000 Series | |
| equipment, please read this | ||
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| amplifier, make sure the voltage | |
| carefully and keep it for future reference. |
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| selector switch on the rear panel | |
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| WARNING! This equipment has been |
| corresponds to the AC voltage applied. |
| designed to be installed by qualified | 3. | Make sure the safety ground on the |
| professionals only! There are many factors to |
| power cord is properly grounded. |
| be considered when installing professional | 4. | To prevent the risk of electric shock, |
| sound reinforcement systems, including |
| never open the unit. There are no |
| mechanical and electrical considerations, as |
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| well as acoustic coverage and performance. | 5. | To ensure normal cooling of the |
| Mackie Industrial strongly recommends that | ||
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| UP4000 Series, make sure the unit is | |
| this equipment be installed only by a |
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| professional sound installer or contractor. |
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| sunlight or proximity to any heat | |
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| CAUTION: To avoid the risk of electric |
| source, dust, or dampness. |
| 6. | If installed in an equipment rack, provide | |
| shock, never allow this equipment to | ||
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| at least one rack space between each | |
| be exposed to rain or dampness. |
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| integrated amplifier. | |
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