Extron electronic MPA 401 manual Setting Input Level, Setting Bass and Treble

Setting Input Level LEVEL BASS TREBLE

Adjust the input level as follows:

1.	If necessary, unplug the remote connector from the		MPA 401
	unit.
			MINI POWER AMPLIFIER
2.	If connecting the amplifier to a system	with adjustable
	volume, set the volume to its lowest point. Then adjust the level potentiometer fully
	counterclockwise to its minimum setting.
3.	Set the system volume to its maximum level. No sound should come out.
4.	Slowly increase the amplifier level until	sound distortion starts to occur. Lower the level
	slightly until the distortion disappears. This setting ensures that, whatever the system
	volume setting may be, no clipping occurs.

Setting Bass and Treble

Adjust the bass and treble as follows:

1.Use the bass potentiometer to increase or decrease the bass shelving ±10 dB at 100 Hz and below.

2.Use the treble potentiometer to increase or decrease the treble shelving ±10 dB at 10 kHz and above.

NOTE: Turning the bass or treble potentiometers counterclockwise will decrease the output at the specified frequencies. Turning the potentiometers clockwise will increase the output. When the potentiometer is at the center detent, flat response is achieved.

MPA 401-70V and MPA 401-100V • Setup and Operation 11