Biamp MA30 Installation & Operation Manual

MA30/MA60
Mixing Amplifier
Installation & Operation Guide
PRODUCT DESCRIPTION
The MA30 and MA60
(respectively) single channel mixing amplifiers. Designed
for ease of use, the front panels of the MA30/MA60
include volume and microphone controls which provide
a visual indication of system operation. The MA30/MA60
is equipped with four priority levels for audio routing: one
emergency input, one paging input, one mic/line input, and
two stereo line, mono summed inputs.
FEATURES
• Single channel; 30/60 watts of continuous power
• Supports 4Ω and 70V/100V outputs
• Class D amplifier topology
• Four priority levels for audio routing
• 24V priority output overrides local volume controls
• Dedicated emergency input with mute all switch
• Paging mic input with contact closure and chime
• One mic/line level input with 48V phantom power
• Two stereo inputs
• Fan-less operation
• Internal universal power supply
• Auto standby mode
• Rack mountable (2RU) with optional accessory
are half-rack, 30W or 60W
A: 9300 S.W. Gemini Drive Beaverton, OR 97008 USA
IMPORTANT SAFETY / COMPLIANCE
INFORMATION
• Do not exceed the ambient temperature of 0° - 35°C (32°-
95° F). Operating the unit beyond its normal limits may
cause overheating.
• This unit has not been designed for use in mobile
applications such as mobile discobars, mobile PA
systems, live bands or audio rental systems. Using it
in such application may damage products and increase
safety risks.
• This equipment is not suitable for use in locations where
children are likely to be present.
SETUP AND USE
This amplifier relies on convection cooling, so no fans are
installed. Make sure there is adequate airflow when installing
this device in a rack or other enclosed space.
The unit can be installed in a 19 inch rack system using the
included brackets, but the ventilation holes should never be
blocked. Allow at least one free rack space or approximately
1.7 inches (44 mm) above the amplifier. If necessary, use a
forced ventilation system if the rack holds multiple amplifiers.
The mains fuse is located in the mains inlet. It should be
replaced with a fuse of the same current and voltage rating:
• MA30: T 1 AL / 250 V
• MA60: T 1.6 AL / 250 V
Before using the amplifier for the first time, check the total
impedance of your speaker lines using an impedance meter.
Temporarily disconnect the speaker line from the amplifier
and measure the speaker line.
Minimum load impedance @ 100V must be 167 ohms or
more (MA60) or 333 ohms or more (MA30). These values
correspond to 60 and 30 watts @ 100V.
T: +1 503.641.7287 W: www.biamp.com