Lowell manufacturing company – Lowell MA250 User Manual
Page 4

4
REMOVABLE
PHOENIX
CONNECTOR
Instruction Sheet
IS-MA60/125/250
Issued: 5-1-14
Lowell Manufacturing Company
100 Integram Drive
Pacific, Missouri 63069 U.S.A.
Call: 800-325-9660
Fax: 636-257-6606
Click: www.lowellmfg.com
Amplifier Front Panel Description
Amplifier Rear Panel Description
1
Channel 1 Volume Control
2
Channel 2 Volume Control
3
Channel 3 Volume Control
4
Channel 4 Volume Control
5
Channel 5 Volume Control
6
Bass Control
7
Treble Control
8
Master Volume Control
9
Power Switch
Power Indicator LED
0
1
Output Level Indicator LED
11
5
2
6
2
7
2
8
2
9
2
0
3
1
3
2
3
3
3
4
3
5
3
6
3
IEC Socket for AC Line Connection
Supply Voltage Switch (115V/230V)
Speaker Output (Screw Terminals)
24VDC Supply Input (Screw Terminals)
Mic 5 Input (Screw Terminals)
* Switch selects between Line inputs (RCA jacks) and Microphone level inputs (XLR jack or screw terminals)
Circuit Breaker for Convenience Outlet
1
2
3
4
5
6
7
8
9
10
11
12
Circuit Breaker for Amplifier
Earth Ground Connection Screw
Power Amp Input (RCA Jack)
Preamp Output (RCA Jacks)
Tape Output (RCA Jacks)
Aux 6 Level Control
Aux 6 Input (RCA Jacks)
Aux 5 Input (RCA Jacks)
Mic 5 / Aux 5 Selector Switch *
Mic 5 Input (XLR Jack)
Mic 4 Input (XLR Jack)
4
2
13
14
15
16
17
18
19
20
21
22
23
Convenience AC Outlet
Mic 4 / Aux 4 Selector Switch *
Mic 3 / Aux 3 Selector Switch *
Mic 2 / Aux 2 Selector Switch *
Mic 1 / Aux 1 Selector Switch *
Aux 4 Input (RCA Jacks)
Aux 3 Input (RCA Jacks)
Aux 2 Input (RCA Jacks)
Aux 1 Input (RCA Jacks)
Mic 3 Input (XLR Jack)
Mic 2 Input (XLR Jack)
Mic 1 Input (XLR Jack)
Mic 4 Input (Screw Terminals)
Mic 3 Input (Screw Terminals)
Mic 2 Input (Screw Terminals)
Mic 1 Input (Screw Terminals)
Telephone Page Input (Screw Terminals)
Telephone Page Level Control
Mic 1 Mute Switch (Mic 1 Mutes Ch 3-6)
21 22
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
4
2
5
2
6
2
7
2
8
2
9
2
0
3
1
3
2
3
3
3
4
3
5
3
6
3
1
2
3
4
5
7
8
9
11
0
1
6
23