Mackie Stereo Amplifier UP4000 User Manual

The STAND BY terminal is used to turn on  
the amplifier with a remote switch.  
contained in the socket, behind the cover  
located at the bottom of the socket.  
Replace only with same type fuse.  
UP4000 Series  
Note: Standby mode must first be  
Power Amplifier  
activated by moving a jumper (J1) on the  
input board (standby mode is disabled by  
default). See Figure 1 on back page.  
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).  
Quick-Start Guide  
UP 4161 - P.A. AMPLIFIER  
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  
STD-BY OVERLOAD SIGNAL  
PEAK  
ON  
EQ  
VOLUME  
The H.P. switch activates a high-pass filter  
on INPUTS 2-4, which attenuates  
frequencies below 300Hz at 12 dB/octave.  
5
LOW  
0
HIGH  
0
4
6
POWER  
2
2
2
2
3
1
7
9
4
8
4
8
4
8
4
8
6
6
6
6
2
8
terminal to the GND  
terminal with an  
-10  
+10  
-10  
+10  
external switch causes the amplifier to  
become fully operational.  
0
10  
The L.P. switch activates a low-pass filter  
on INPUTS 2-4, which attenuates  
frequencies above 7kHz at 12 dB/octave.  
The UP4000 Series Power Amplifiers are  
designed for continuous duty in speech,  
music, paging, and sound reinforcement  
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  
The STANDBY GND terminal on the  
COMMANDS terminal strip is the common  
connection point for STAND BY.  
The UNBALANCED IN jack is an RCA-type  
connector that can be used instead of the  
BALANCED IN, or both can be used with  
the PRIORITY function, which gives the  
BALANCED IN priority over the  
applications in churches, schools, offices, and or 230 VAC, 50/60Hz, as determined by the  
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.  
other venues demanding high performance,  
flexible features, and rugged dependability.  
Two discrete inputs with priority are  
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 stand-by  
mode allows the amplifier to be turned on  
remotely with a contact closure.  
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  
boost or cut at 100Hz and 10kHz can be  
applied to the output signal.  
UNBALANCED IN.  
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 0/–20 dB  
sensitivity switch.  
The PARALLEL OUT jack is an RCA-type  
connector that is in parallel with the  
UNBALANCED IN jack for connecting to the  
input of another power amplifier.  
The OVERL. GND terminal on the  
COMMANDS terminal strip is the common  
connection point for OVERL. 300mA.  
The SENSITIVITY switch adjusts the input  
sensitivity of the UNBALANCED IN from 0  
dB (typical line-level signals) to –20 dB  
(for low-level signals).  
AC Protection Fuse protects the power  
supply and amplifier circuitry. Replace  
only with same type fuse.  
Output modes include 4constant  
Connect the supplied AC linecord to the  
IEC AC Socket. The AC line fuse is  
impedance and 25V, 50V, 70V, and 100V  
constant voltage. The smart output stage is  
fully protected against permanent damage  
caused by overloading, shorts, and extreme  
temperatures. Activation of the overload  
protection circuit turns on 18 VDC (300mA)  
Accessories include a rack mounting kit.  
UP4000 SERIES  
INPUT BOARD  
Safety First!  
Before connecting and using the  
equipment, please read this Quick-Start Guide  
carefully and keep it for future reference.  
1. Never install, connect, or disconnect  
the unit with the power supply on.  
JP6  
J1  
3
STANDBY ENABLED  
2
STANDBY DISABLED  
(DEFAULT)  
1
2. Before powering up the UP4000 Series  
amplifier, make sure the voltage  
selector switch on the rear panel  
corresponds to the AC voltage applied.  
WARNING! This equipment has been  
designed to be installed by qualified  
3. Make sure the safety ground on the  
power cord is properly grounded.  
Fig. 1: UP4000 Standby Mode Jumper (J1)  
professionals only! There are many factors to  
be considered when installing professional  
sound reinforcement systems, including  
mechanical and electrical considerations, as  
well as acoustic coverage and performance.  
Mackie Industrial strongly recommends that  
this equipment be installed only by a  
4. To prevent the risk of electric shock,  
never open the unit. There are no  
user-serviceable parts inside.  
16220 Wood-Red Road NE, Woodinville, WA 98072 USA  
TEL 888.337.7404, FAX 425.487.4337, [email protected]  
UK +44.1268.571.212, FAX +44.1268.570.809 [email protected]  
ITALY +39.0522.354.111, FAX +39.0522.926.208 [email protected]  
FRANCE +33.3.8546.9160, FAX +33.3.8546.9161 [email protected]  
GERMANY +49.2572.96042.0, FAX +49.2572.96042.10 [email protected]  
5. To ensure normal cooling of the  
UP4000 Series, make sure the unit is  
well-ventilated. Avoid exposure to direct  
sunlight or proximity to any heat  
source, dust, or dampness.  
professional sound installer or contractor.  
CAUTION: To avoid the risk of electric  
shock, never allow this equipment to  
be exposed to rain or dampness.  
Part No. 910-142-20 Rev. B 10/01  
© 2001 Mackie Industrial. All Rights Reserved. Printed in U.S.A.  
6. If installed in an equipment rack, provide  
at least one rack space between each  
integrated amplifier.  
 

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