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COPYRIGHT © 2006 MERIT INDUSTRIES, INC.
INTRODUCTION
See Section 2 if you have any questions about setting up the Network, or consult the
included “MoD BoX User Manual” for questions about jukebox operation.
Extension Speaker Operation
To avoid a poor-sounding jukebox, care must be taken when adding extension speakers.
Two requirements must be met:
1. Speakers must be wired so that the power consumed does not exceed the ampli-
fier power rating.
2. All speakers must be connected with the correct polarity.
70-Volt Speakers
To avoid prohibitive cable losses on long speaker lines (over 100 feet), use 70 V speakers.
This can only be done if you add the Output Transformer (standard in the Deluxe model, or
available as a kit, part number KOV-106-000-05). The power level in the 70 V speakers is set
at each speaker. 250 watts is provided for 70 V speakers by A1, A2 connections on the
audio output transformer assembly.
The power level in the 70 V speakers is set at each speaker. 250 watts is provided for
70 V speakers by A1, A2 connections on the audio output transformer assembly.
Low Impedance Speakers
Low impedance speakers (8-ohm or higher) can be used when the connecting cable is less
than 100 feet.
8-Ohm Speakers (Parallel Connections)
No more than one 8-ohm speaker should be connected to a speaker line. If several 16-ohm
speakers are to be used, each speaker should have its own line. The loss in 100 feet of 18
gauge zipcord feeding an 8-ohm speaker is 15%.
SOUND SYSTEM SETUP
Acoustical Compensation (Equalizer Tone Controls)
The preamplifier contains seven tone controls on each channel to compensate for room
acoustics in various locations. These controls are on the amplifier chassis. The sound level
at which the jukebox will be operated and the room furnishings determine the settings of
these controls.
PM0599-03 MOD BOX INSTALLATION & OWNER’S MANUAL 32
Section 4: Sound System Setup