Louroe Electronics MLA-8 - Manual (Page 2)

INPUT CONNECTIONS TO MLA-8
MICROPHONE CONNECTION:
At the top part of the PC board are 8 Terminal blocks marked 1 through 8 (for 8 zones). Each terminal
block has 5 Pins marked - A, B, C, SP and G . Bring in wire from remote microphone (or
speaker/microphone) and connect as follows:
Pin A (12 Vdc) from remote microphone to Pin A of MIC 1 terminal block of MLA-8(red wire)
Pin B (audio) from remote microphone to Pin B of MIC 1 terminal block of MLA-8(black wire)
Pin C (ground) from remote microphone to Pin C of MIC 1 terminal block of MLA-8.(bare wire)
Repeat connections for ZONE 2 to ZONE 8.
Use 2 Cond Shielded cable (see page1) if only microphones are to be connected.
SPEAKER CONNECTION (used only if microphone/speaker units are being connected):
Green wire from speaker to Pin SP of MIC1 terminal block of MLA-8
White wire from speaker to Pin G of MIC 1 terminal block of MLA-8
Repeat this connections for the rest of the zones.
Use 4 Cond shielded cable such as West Penn 356 (see page1) if microphone/speaker units are used.
POWER REQUIREMENTS
For Cable runs 1,000’ and under
If the total distance from the remote microphone (or speaker/microphone) to the MLA-8 Mixer and on to the
Louroe Base Station is under 1,000 ft., the MLA-8 will receive 12Vdc power from the base station. No
power is required at the MLA-8.
For Cable runs 1,000 to 5,000’
If cable run between MLA-8 and Louroe Base Station is over 1,000 ft and up to 5,000 ft, 12 Vdc power is
required. An input jack for power is located on MLA-8 chassis. For this length of run, MLA-8 should be
mounted within 1,000’ of the microphone.
IMPORTANT NOTE
1. If Model MLA-8 Mixer is to be powered for a cable run between 1,000 ft. and 5,000 ft. from the Louroe base
station, do not use terminal “A” connection between the MLA-8 and the Louroe base station.
2 For cable runs that exceed 1000 ft or up to 5,000 ft, MLA-8 Mixer should not be positioned more then 1,000
ft. from the Louroe microphone or speaker/microphone.
NOTE: If alternate power supply is
used, DO NOT USE POWER
SUPPLY IN BASE STATION
Page 2 of 8
LOUROE ELECTRONICS 6 9 5 5 VA L J E A N AVENUE, VAN NUYS, CA 91406 TEL (818) 994-6498 FAX 994-6458
website: www.louroe.com e-mail: [email protected]
(818) ®
INSTALLATION AND OPERATING INSTRUCTIONS
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