Mackie Stereo Amplifier UP4061 User Manual

UP4000 Series  
Power Amplifier  
UP4061 • UP4121 • UP4161  
Instruction Manual  
UP 4161 - P.A. AMPLIFIER  
STD-BY OVERLOAD SIGNAL  
PEAK  
ON  
EQ  
VOLUME  
5
LOW  
0
HIGH  
0
POWER  
4
6
2
2
2
2
3
1
7
9
4
8
4
8
4
8
4
8
6
6
6
6
2
8
-10  
+10  
-10  
+10  
10  
0
POWER INPUT  
24V D.C.  
D.C. FUSE  
POWER OUTPUTS  
POWER OUTPUTS  
INPUT  
COMMANDS  
+
-
0
25V  
OVERL.  
GND  
4
PRIORITY  
GND  
STAND GND  
BY  
0
50V  
70V 100V  
300mA.  
max  
BALANCED  
IN  
PARALLEL OUT  
FILTER  
H.P.  
115  
SERIAL NUMBER  
MANUFACTURING DATE  
CAUTION  
WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT  
VOLTAGE  
SELECTOR  
EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE. DO NOT REMOVE COVER.  
SENSITIVITY  
RISK OF ELECTRIC SHOCK  
DO NOT OPEN  
NO USER SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL.  
L.P.  
AVIS: RISQUE DE CHOC ELECTRIQUE  
NE PAS OUVRIR  
UNBALANCED IN  
REPLACE WITH THE SAME TYPE FUSE AND RATING.  
DISCONNECT SUPPLY CORD BEFORE CHANGING FUSE  
UTILISE UN FUSIBLE DE RECHANGE DE MÊME TYPE.  
DEBRANCHER AVANT DE REMPLACER LE FUSIBLE  
20dB  
0dB  
OFF  
ON  
CONCEIVED, DESIGNED, AND MANUFACTURED BY MACKIE INDUSTRIAL  
MADE IN ITALY  
PATENTS PENDING COPYRIGHT ©1999  
THE FOLLOWING ARE TRADEMARKS/REGISTERED TRADEMARKS OF MACKIE DESIGN INC.: "MACKIE", "MACKIE INDUSTRIAL", & THE "RUNNING MAN" FIGURE  
LINE  
50/60 Hz-115/230V  
 
2. INTRODUCTION  
KEY FEATURES  
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.  
Balanced and Unbalanced Inputs  
Balanced Input Priority Function  
Unbalanced Line-Level Output  
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 0 dB/20 dB sensitivity switch.  
Output modes include 4constant 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)  
power at a barrier connector on the rear panel, which  
may be used to drive a relay or indicating LED. The  
UP4000 Series will operate 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  
stand-by mode allows the amplifier to be turned on  
remotely with a contact closure.  
Convection Cooled Power Amplifier  
UP4061: 60 Watts RMS  
UP4121: 120 Watts RMS  
UP4161: 160 Watts RMS  
4Constant-Impedance Output  
25V, 50V, 70V, and 100V Constant-Voltage Outputs  
High-Pass and Low-Pass Filters  
2 RU Rack-Mounting Kit  
Automatic 24 VDC Backup Power Input  
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.  
Accessories include a rack mounting kit.  
Part No. 910-142-30 Rev. A 10/01  
© 2001 All Rights Reserved. Mackie Industrial. Printed in U.S.A.  
UP4000 3  
 
FRONT PANEL FEATURES  
REAR PANEL FEATURES  
LOW EQ is a shelving filter that provides 12 dB  
of boost and cut below 100Hz.  
POWER INPUT provides a means to connect an  
external 24 VDC power supply or battery as an  
alternative or backup power source. The UP4000  
Series seamlessly switches to the backup supply if  
there's an AC power loss. When both AC power  
and 24 VDC power are connected, the DC power is  
switched off.  
HIGH EQ is a shelving filter that provides 12 dB  
of boost and cut above 10kHz.  
VOLUME is a master volume control used to  
adjust the overall volume of the signal at the  
POWER OUTPUTS  
.
Note: The unit is not equipped with battery charging  
capability.  
Use the POWER switch to turn the UP4000  
Series on and off.  
The D.C. FUSE protects the DC power input to  
the amplifier circuit. Replace with the same type  
fuse only.  
The STD-BY indicator lights when the amplifier is  
in standby mode.  
Note: Standby mode is disabled by default. An  
internal jumper (J1 on the input board) must be  
changed to enable standby mode. See "Internal  
Settings" on page 8.  
POWER OUTPUTS are screw-terminal  
connections for connecting speakers to the 4-ohm,  
25V, 50V, 70V, or 100V outputs.  
WARNING: To prevent the risk of electric shock,  
never touch the bare wires coming from the output  
terminals of the amplifier when it is switched on.  
When all connections have been made, insulate the  
output terminals of the amplifier using the  
protective cover provided.  
The OVERLOAD indicator lights when the  
amplifier is operating in overload, a condition  
generally caused by a problem on the speaker line.  
When the amplifier is switched on, the OVERLOAD  
light comes on for a few seconds. This is normal  
and does not indicate a problem.  
Constant-Impedance Output  
The SIGNAL indicator lights when a signal is  
The total impedance of the speakers and cable  
connected to the "4" constant-impedance output  
should be 4 ohms. Connect the "4" terminal to  
the "+" (HIGH) speaker terminal, and the "0"  
terminal to the "–" (LOW) speaker terminal.  
present at the POWER OUTPUTS  
.
The PEAK indicator lights when the output signal  
is approaching clipping.  
The ON indicator lights when the UP4000 is  
turned on and ready for operation.  
Constant-Voltage Output  
In a constant-voltage system, each speaker must  
be equipped with a line transformer having an  
input voltage equal to that of the line (e.g., 25V,  
50V, 70V, or 100V). Typically, these line trans-  
formers have selectable power taps (i.e., 2.5W,  
5W, 10W) for connecting to the constant-voltage  
line. CAUTION: The sum of the wattage values  
of the speakers must not exceed the output  
power of the amplifier.  
UP 4161 - P.A. AMPLIFIER  
STD-BY OVERLOAD SIGNAL  
PEAK  
ON  
EQ  
VOLUME  
5
LOW  
0
HIGH  
0
POWER  
4
6
2
2
2
2
3
1
7
9
4
8
4
8
4
8
4
8
6
6
6
6
2
8
-10  
+10  
-10  
+10  
10  
0
UP4000 4  
 
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.  
Connect the appropriate POWER OUTPUT  
voltage terminal to the "+" (HIGH) leg and the "0"  
terminal to the "" (LOW) leg of the distributed  
speaker system.  
The ground ( ) terminal is internally connected  
to the chassis and safety ground on the AC linecord.  
The OVERL. GND terminal on the COMMANDS  
terminal strip is the common connection point for  
The PRIORITY terminal activates the priority  
function for the BALANCED IN by using an external  
normally-open switch to short-circuit the PRIORITY  
OVERL. 300mA  
.
AC Protection Fuse protects the power supply  
and amplifier circuitry. Replace only with same type  
fuse.  
terminal to the GND  
(ground) terminal. When the  
PRIORITY function is enabled, the UNBALANCED IN  
is muted (no signal from the UNBALANCED IN is  
transmitted to the outputs).  
Connect the supplied AC linecord to the IEC AC  
Socket. The AC line fuse is contained in the socket,  
behind the cover located at the bottom of the  
socket. Replace only with same type fuse.  
This GND terminal is the common connection  
point for BALANCED IN and PRIORITY  
.
The BALANCED IN terminals are the main input  
for the amplifier and accept a balanced line-level  
signal (0 dBu nominal). This input has a priority  
function, which mutes the UNBALANCED IN signal  
The VOLTAGE SELECTOR switch is used to  
select the AC supply voltage for the amplifier. Move  
the switch so the AC line voltage used appears on  
the switch (DOWN for 115V, UP for 230V).  
when the PRIORITY terminal is shorted to GND  
.
The H.P. switch activates a high-pass filter on the  
balanced and unbalanced inputs, which attenuates  
frequencies below 300Hz at 12 dB/octave.  
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 "Internal Settings"  
on page 8.  
The L.P. switch activates a low-pass filter on the  
balanced and unbalanced inputs, which attenuates  
frequencies above 7kHz at 12 dB/octave.  
UNBALANCED IN is an RCA jack that can be  
used instead of the BALANCED IN, or both can be  
used with the PRIORITY function, which gives the  
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  
BALANCED IN priority over the UNBALANCED IN  
.
STAND BY terminal to the GND  
terminal with an  
PARALLEL OUT is an RCA jack that is in parallel  
with the UNBALANCED IN jack for connecting to  
the input of another power amplifier.  
external switch causes the amplifier to become fully  
operational.  
The STANDBY GND terminal on the  
COMMANDS terminal strip is the common  
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).  
connection point for STAND BY  
.
POWER INPUT  
24V D.C.  
D.C. FUSE  
POWER OUTPUTS  
POWER OUTPUTS  
INPUT  
COMMANDS  
+
-
0
25V  
OVERL.  
GND  
4
PRIORITY  
GND  
STAND GND  
BY  
0
50V  
70V 100V  
300mA.  
max  
BALANCED  
IN  
PARALLEL OUT  
FILTER  
H.P.  
115  
SERIAL NUMBER  
MANUFACTURING DATE  
CAUTION  
WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT  
VOLTAGE  
SELECTOR  
EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE. DO NOT REMOVE COVER.  
SENSITIVITY  
RISK OF ELECTRIC SHOCK  
DO NOT OPEN  
NO USER SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL.  
L.P.  
AVIS: RISQUE DE CHOC ELECTRIQUE  
NE PAS OUVRIR  
UNBALANCED IN  
REPLACE WITH THE SAME TYPE FUSE AND RATING.  
DISCONNECT SUPPLY CORD BEFORE CHANGING FUSE  
UTILISE UN FUSIBLE DE RECHANGE DE MÊME TYPE.  
DEBRANCHER AVANT DE REMPLACER LE FUSIBLE  
20dB  
OFF  
ON  
CONCEIVED, DESIGNED, AND MANUFACTURED BY MACKIE INDUSTRIAL  
MADE IN ITALY  
PATENTS PENDING COPYRIGHT ©1999  
THE FOLLOWING ARE TRADEMARKS/REGISTERED TRADEMARKS OF MACKIE DESIGN INC.: "MACKIE", "MACKIE INDUSTRIAL", & THE "RUNNING MAN" FIGURE  
LINE  
50/60 Hz-115/230V  
0dB  
UP4000 5  
 
Jukebox  
3. Installation  
Application Diagram  
Paging Mic  
AM/FM Tuner  
Cassette or DAT Recorder  
CD Player  
70V Loudspeakers  
Paging Mic/Jukebox  
Priority Switch  
Mixer  
Line  
Out  
Mono  
Preamplifier  
+
POWER INPUT  
24V D.C.  
D.C. FUSE  
POWER OUTPUTS  
POWER OUTPUTS  
INPUT  
COMMANDS  
+
-
24 VDC  
Backup  
Power Supply  
0
25V  
OVERL.  
GND  
0
50V  
70V 100V  
4
PRIORITY  
GND  
STAND GND  
BY  
300mA.  
max  
BALANCED  
IN  
PARALLEL O
FILTER  
H.P.  
115  
CAUTION  
WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT  
SERIAL NUMBER  
MANUFACTURING DATE  
VOLTAGE  
SELECTOR  
EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE. DO NOT REMOVE COVER.  
SENSITIVITY  
RISK OF ELECTRIC SHOCK  
DO NOT OPEN  
NO USER SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL.  
L.P.  
AVIS: RISQUE DE CHOC ELECTRIQUE  
NE PAS OUVRIR  
UNBALANCED IN  
REPLACE WITH THE SAME TYPE FUSE AND RATING.  
DISCONNECT SUPPLY CORD BEFORE CHANGING FUSE  
UTILISE UN FUSIBLE DE RECHANGE DE MÊME TYPE.  
DEBRANCHER AVANT DE REMPLACER LE FUSIBLE  
20dB  
OFF  
ON  
CONCEIVED, DESIGNED, AND MANUFACTURED BY MACKIE INDUSTRIAL  
MADE IN ITALY  
PATENTS PENDING  
COPYRIGHT ©1999  
THE FOLLOWING ARE TRADEMARKS/REGISTERED TRADEMARKS OF MACKIE DESIGN INC.: "MACKIE", "MACKIE INDUSTRIAL",  
&
THE "RUNNING MAN" FIGURE  
LINE  
50/60 Hz-115/230V  
0dB  
+
POWER INPUT  
24V D.C.  
D.C. FUSE  
POWER OUTPUTS  
POWER OUTPUTS  
INPUT  
COMMANDS  
+
-
24 VDC  
Backup  
Power Supply  
0
25V  
OVERL.  
GND  
0
50V  
70V 100V  
4
PRIORITY  
GND  
STAND GND  
BY  
300mA.  
max  
BALANCED  
IN  
PARALLEL OUT  
FILTER  
H.P.  
115  
CAUTION  
WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT  
SERIAL NUMBER  
MANUFACTURING DATE  
VOLTAGE  
SELECTOR  
EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE. DO NOT REMOVE COVER.  
SENSITIVITY  
RISK OF ELECTRIC SHOCK  
DO NOT OPEN  
NO USER SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL.  
L.P.  
AVIS: RISQUE DE CHOC ELECTRIQUE  
NE PAS OUVRIR  
UNBALAN
REPLACE WITH THE SAME TYPE FUSE AND RATING.  
DISCONNECT SUPPLY CORD BEFORE CHANGING FUSE  
UTILISE UN FUSIBLE DE RECHANGE DE MÊME TYPE.  
DEBRANCHER AVANT DE REMPLACER LE FUSIBLE  
20dB  
0dB  
OFF  
ON  
CONCEIVED, DESIGNED, AND MANUFACTURED BY MACKIE INDUSTRIAL  
MADE IN ITALY  
PATENTS PENDING  
COPYRIGHT ©1999  
THE FOLLOWING ARE TRADEMARKS/REGISTERED TRADEMARKS OF MACKIE DESIGN INC.: "MACKIE", "MACKIE INDUSTRIAL",  
&
THE "RUNNING MAN" FIGURE  
LINE  
50/60 Hz-115/230V  
COMMANDS  
COMMANDS  
Loudspeaker  
(8)  
Loudspeaker  
(8)  
OVERL.  
STAND GND  
BY  
GND  
OVERL.  
STAND GND  
BY  
GND  
300mA.  
300mA.  
max  
max  
1K  
1/2W  
RESISTOR  
LED  
+
RELAY  
Note: This illustration demonstrates a typical application using a pair of UP4000 Series Power  
Amplifiers. A paging microphone and a jukebox are connected to the Balanced Input of Amp 1 via the  
Mixer, and the Input priority function can be switch-activated to give the paging mic and jukebox priority  
over the signal source connected to the Unbalanced Input. A preamplifier is connected to the Unbalanced  
Input, with source selections for an AM/FM Tuner, Cassette or DAT Recorder, and CD Player. The Parallel  
Out is connected to the Unbalanced Input on a second UP4000 Series. 70V constant-voltage speakers  
are connected to the 70V tap on Amp 1, and a pair of 8-ohm speakers (connected in parallel for a total  
impedance of 4 ohms) are connected to the 4tap on Amp 2.  
UP4000 6  
 
Connecting the UNBALANCED IN  
The UNBALANCED IN uses an RCA-type  
connector. It accepts a line-level signal (10 dBV)  
with the SENSITIVITY switch in the 0 dB position  
(pushed IN). When connecting a low-level signal,  
push the SENSITIVITY switch OUT (20 dB position).  
Use high-quality, two-conductor shielded cable to  
make these connections.  
Connections  
Connecting the INPUT  
The Input has a balanced screw terminal  
connector that accepts a line-level signal. The screw  
terminals should be connected as shown in the  
following figure:  
+
Connecting the Speakers  
The speaker output connectors are screw  
terminals. Use 16 or 18 gauge wire for connecting  
the amplifier outputs to the speakers. Strip the wire  
back about 1/2" inch, loosen the screw enough to  
loop the wire around the shaft of the screw  
(clockwise), and tighten down the screw with a slot-  
head screwdriver.  
PRIORITY  
GND  
BALANCED  
IN  
If using a 4-ohm speaker, connect the 4output  
terminal to the "+" terminal on the speaker, and  
connect the "0" output terminal to the "" terminal  
on the speaker.  
INPUT Terminal Strip: Balanced Connection  
If using a constant-voltage distributed speaker  
system, connect either the 25V, 50V, 70V, or 100V  
output terminal to the "+" side of the speaker system,  
and connect the "0" output terminal to the "" side of  
the speaker system. Make sure that the taps on the  
speakers add up to no more than the rated power  
for the UP4000 Series Amplifier being used.  
Strip the wire back about 1/2" inch, loosen the  
screw enough to loop the wire around the shaft of  
the screw (clockwise), and tighten down the screw  
with either a slot-head or phillips-head screwdriver.  
Use high-quality, three-conductor shielded cable  
for balanced connections. The better the shield, the  
better the audio signal is protected from induced  
EMI and RFI.  
CAUTION: To prevent the risk of electric  
shock, never touch the bare wires coming  
from the OUTPUT TERMINALS of the  
amplifier when it is switched on.  
If connecting an unbalanced line-level signal to  
the Input, wire the connections as shown in the  
following figure:  
When the connections have been made, insulate  
the 50V, 70V, and 100V terminals of the amplifier  
using the protective cover supplied.  
JUMPER  
+
Connecting the POWER INPUT 24V.D.C.  
Connect a 24 VDC power supply to these spring  
terminals as an alternate method to power the  
UP4000 Series. To minimize the voltage drop across  
the wire and prevent overheating, use at least 16  
AWG wire for the UP4061, and 14 AWG wire for  
the UP4121 and UP4161.  
PRIORITY  
GND  
BALANCED  
IN  
INPUT Terminal Strip: Unbalanced Connection  
UP4000 7  
 
Internal Settings  
Thermal Considerations  
There is one setting that can be changed inside  
the UP4000 Series Amplifier. This setting should be  
made prior to installation.  
IMPORTANT: The UP4000 Series amplifier is  
convection cooled rather than fan cooled. Heat is  
drawn away from the amplifier by the heatsink and  
radiated through the cooling vents in the top cover.  
When installing the UP4000 Series, be sure to  
allow sufficient air space around the top and rear of  
the amplifier to allow adequate cooling for the  
heatsink. Leave at least one rack space above and  
below the UP4000 and at least 6 inches behind the  
chassis to allow proper ventilation.  
CAUTION: These servicing instructions  
are for use by qualified personnel only. To  
avoid electric shock, do not perform any  
servicing other than that contained in the Operating  
Instructions unless you are qualified to do so.  
Refer all servicing to qualified service personnel.  
Make sure the power is off and the power cord  
disconnected before removing the top cover to gain  
access to the inside of the UP4000 Series.  
If the amplifier should overheat, a thermal  
switch is activated that turns off the power  
amplifier, allowing the heatsinks to cool down. The  
ON indicator on the front panel will remain lit. Once  
the amplifier has cooled to a safe operating  
temperature, the thermal switch resets and  
reactivates the amplifier. If this should occur,  
identify the cause of the problem and take  
corrective action (i.e.,  
STANDBY MODE  
Jumper J1 on the input board allows you to  
enable the Standby function. Standby mode is  
disabled by default. You must change jumper J1 on  
the input board to enable the Standby function.  
provide better  
ventilation, install a fan  
in the rack, make sure  
the amplifier is not  
UP4000 SERIES  
INPUT BOARD  
overloaded by too low  
of a load impedance or  
by a short circuit on the  
speaker line).  
JP6  
J1  
3
STANDBY ENABLED  
2
STANDBY DISABLED  
(DEFAULT)  
1
UP4000 Series Input Board Jumper  
AC Power Considerations  
The UP4000 Series draw an average AC line  
current as indicated on the following chart:  
115VAC  
1.5A  
230VAC  
0.8A  
UP4060  
UP4120  
UP4160  
4.0A  
2.0A  
4.8A  
2.4A  
Voltage Conversion  
The UP4000 Series can be configured to operate  
at 115 VAC or 230 VAC. Be sure the VOLTAGE  
SELECTOR switch on the rear panel is set to the  
correct position for the AC power supply being used.  
115  
VOLTAGE  
SELECTOR  
VOLTAGE  
SELECTOR  
230  
UP4000 8  
 
COMMANDS STANDBY  
4. Operation  
An external normally-open switch can be  
connected between the STANDBY terminal and the  
GND terminal on the COMMANDS barrier strip on the  
rear panel. Closing the switch enables the signal to  
pass through the amplifier, and opening the switch puts  
the amplifier in standby mode (power on, no signal).  
Note: The UP4000 Series is shipped with the  
Standby Mode disabled. Move jumper J1 on the  
input board to enable the Standby Mode (see  
instructions on page 8).  
Using the BALANCED IN  
The BALANCED IN accepts a line-level signal.  
Connect the input source to the BALANCED IN  
barrier strip screw terminals.  
PRIORITY Function  
The BALANCED IN has priority over the  
UNBALANCED IN. The priority function can be  
activated by connecting a normally-open switch  
between the input PRIORITY terminal and the GND  
terminal on the INPUT barrier strip on the rear  
panel. Closing the switch activates the priority  
OVERL.  
Connect an LED or relay between this terminal  
and the GND terminal to provide an external  
indication if the overload circuit has been activated.  
It provides +18 VDC with a maximum output  
capacity of 300mA when activated. See "Application  
Diagram" on page 6.  
function and mutes the UNBALANCED IN  
.
Using the UNBALANCED IN  
The UNBALANCED IN accepts either a line-level  
signal (0 dB position) or a low-level signal (20 dB  
position), using the input SENSITIVITY switch.  
POWER OUTPUTs  
The amplifier outputs on the UP4000 Series can  
be used with a 4-ohm impedance load, or to directly  
drive a 25V, 50V, 70V, or 100V distributed system  
(constant-voltage system).  
High-Pass Filter  
Push in the H.P. switch to engage the high-pass  
filter, which rolls off frequencies below 300Hz at  
12 dB/octave.  
Low-Pass Filter  
Direct Speaker Connection  
Push in the L.P. switch to engage the low-pass  
filter, which rolls off frequencies above 7kHz at  
12 dB/octave.  
If the UP4000 Series is not being used in a  
distributed speaker system, you can connect a  
speaker with a 4-ohm load between the "4"  
terminal and the "0" terminal.  
Note: The H.P. and L.P. filters affect both the  
balanced and unbalanced inputs.  
Distributed Speaker System  
Using the PARALLEL OUT  
When using the UP4000 Series in a distributed  
system, connect the distributed system between  
the appropriate POWER OUTPUT terminal (25V, 50V,  
70V, or 100V) and the "0" terminal. Make sure the  
speakers in the system are tapped appropriately so  
they do not exceed the rated power of the amplifier.  
(AM4060 = 60 watts, AM4120 = 120 watts,  
AM4160 = 160 watts).  
The PARALLEL OUT connector is provided to  
connect the UNBALANCED IN signal to multiple  
amplifiers in a daisy-chain configuration.  
To Next  
Amplifier  
POWER INPUT 24V D.C.  
The UP4000 Series can be powered using a 24  
VDC power supply. This can serve as the primary  
power supply for the UP4000 Series, or as a  
backup supply in case of an AC power failure. The  
UP4000 Series seamlessly switches to the backup  
supply if there is a power loss. When both AC power  
and 24 VDC power are connected, the AC power is  
used and no current is drawn from the DC supply.  
From Signal  
Source  
UP4000 Series Daisy-Chaining Inputs  
Note: The unit is not equipped with battery  
charging capability.  
UP4000 9  
 
5. Specifications  
UP4000 Series Block Diagram  
SENSITIVITY  
0 dB  
MASTER  
VOLUME  
20 dB  
HP  
LP  
LO  
HI  
UNBALANCED IN  
300  
7K  
100  
10K  
PARALLEL OUT  
INPUT  
PRIORITY  
STANDBY  
MUTE  
MUTE  
INPUT  
PRIORITY  
BALANCED IN GND  
STD-BY  
COMMANDS  
STANDBY  
GND  
OVERL.  
GND  
+18VDC  
OVERLOAD  
SIGNAL  
PEAK  
100V  
70V  
50V  
25V  
4Ω  
POWER  
AMPLIFIER  
0
MACKIE INDUSTRIAL  
UP4000 SERIES  
BLOCK DIAGRAM  
(#2.02.01.DF)  
AUDIO  
OUTPUT  
TRANSFORMER  
FEEDBACK LOOP  
UP4000 Series Specifications  
Power Amplifier Section  
Input Sensitivity  
Continuous Sine Wave Average Output Power, both channels  
driven:  
Balanced Line Input:  
Unbalanced Line Input:  
0 dB:  
775mV  
775mV  
80mV  
UP4061:  
UP4121:  
UP4161:  
60 watts RMS nominal; 90 watts peak (10ms)  
120 watts RMS nominal; 180 watts peak (10ms)  
160 watts RMS nominal; 220 watts peak (10ms)  
20 dB:  
EQ  
Frequency Response  
50Hz to 15kHz ( 3 dB)  
Distortion  
HP Filter:  
LP Filter:  
300Hz @ 12 dB/octave  
7kHz @ 12 dB/octave  
2-Band Output EQ:  
High Shelving:  
Low Shelving:  
12 dB @ 10kHz  
12 dB @ 100Hz  
THD: < 1% @ 1kHz nominal power  
Signal-To-Noise Ratio  
> 80 dB below nominal power  
Audio Inputs  
Audio Outputs  
Low Impedance:  
Constant Voltage:  
Unbalanced Out:  
4  
25V, 50V, 70V, 100V  
One unbalanced RCA connector,  
parallel to Unbalanced In  
Balanced Line Input:  
Unbalanced Line Input: One unbalanced RCA connector with  
Sensitivity switch  
One active balanced barrier strip  
Control Inputs and Outputs  
Input Impedance  
Inputs:  
Priority switch, dry contact closure  
Standby switch, dry contact closure  
Overload Indicator, 18 VDC @ 300mA  
Balanced Line Input:  
Unbalanced Line Input:  
0 dB:  
100kΩ  
Outputs:  
50kΩ  
20 dB:  
50kΩ  
UP4000 10  
 
General  
Power Consumption  
6. Service Information  
In the event that your UP4000 Series amplifier  
should require servicing, please follow these  
instructions:  
UP4060:  
UP4120:  
UP4160:  
180 VA  
450 VA  
550 VA  
AC Line Voltage  
115 VAC, 60Hz  
230 VAC, 50Hz  
1. Call Mackie Industrial Tech Support at 1-888-337-  
7404, 8 am to 5 pm PST (Monday-Friday), to verify  
the problem and obtain a Return Authorization (RA)  
Number. Be sure to have the serial number of the  
unit when you call. You must have a Return  
Authorization Number in order to obtain warranty  
service at the factory or at an authorized service  
center.  
Fuse Ratings  
Model Line Fuse 230 VAC Line Fuse 115 VAC  
24 VDC Fuse  
UP4060  
UP4120  
UP4160  
1.25AT  
2.5AT  
3.15AT  
2.5AT  
5AT  
6.3AT  
5AT  
10AT  
16AT  
Dimensions  
2. Pack the unit in its original packaging. This is very  
important. Mackie Industrial is not responsible for  
any damage that occurs during shipping due to  
non-conventional packaging. Original packaging  
helps to minimize the possibility of shipping  
damage.  
Height:  
Width:  
Depth:  
Weight:  
3.5" (88mm)  
17.0" (431mm)  
12.4" (314mm)  
UP4061: 22 lbs. (10.0kg)  
UP4121: 28 lbs. (12.7kg)  
UP4161: 31 lbs. (14.1kg)  
3. Include a legible note stating your name, return  
shipping address, (no P.O. boxes), daytime phone  
number, Return Authorization Number, and a  
detailed description of the problem, including how  
we can duplicate it.  
4. Write the Return Authorization Number in BIG  
BOLD PRINT on the top of the box.  
5. Ship the unit to us. We suggest insurance for all  
forms of cartage. Ship to this address:  
Mackie Industrial  
Service Department  
One Main Street  
Whitinsville, MA 01588  
Disclaimer  
Mackie Industrial continually engages in  
research related to product improvement, new  
materials, and production methods. Design  
refinements are introduced into existing products  
without notice as a routine expression of that  
philosophy. For this reason, any current Mackie  
Industrial product may differ in some respect from  
its published description, but will always equal or  
exceed the original design specifications unless  
otherwise stated.  
Mackie Industrial is a trademark of Mackie  
Designs Inc.  
All other brand names mentioned are  
trademarks or registered trademarks of their  
respective holders, and are hereby acknowledged.  
© 2001 All Rights Reserved.  
Mackie Industrial.  
Printed in the U.S.A.  
UP4000 11  
 
UP4000 Series  
Power Amplifier  
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]  
 

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