Alto MAC 2.4 User Manual download pdf (Page 5)

SPOTLIGHT

3. CONTROL ELEMENTS

13 HIGH PHASE

REAR PANEL

HIGH

PHASE

HIGH

PHASE

MODE

BOOST

STEREO MONO

CHANNEL 2

CHANNEL 1

HIGH OUT 1 / (NOT USED)HIGH OUT 2 / (HIGH OUT) LOW OUT 2 / (MID OUT) INPUT 2 / (NOT USED) LOW OUT1 / (LOW OUT) INPUT 1 / (INPUT)

A101

2WAY- STEREO

(3WAY- MONO)

Rated Power Consumption 8.5W

FUSE:

210-240V: T100mAL 250VAC

95-120V: 200mA 250VAC

REPLACE FUSE WITH CORRECT

TYPE ONLY

DESIGNED INITALY

MADE INCHINA

PUSH

NEW TIDE

PUSH

NEW TIDE

8 AC Inlet and Fuse holder

9INPUT1&2

Lettering for 3-way mono operation is into brackets. Standard operation is

2-way stereo. You can feed balanced and unbalanced signals into your X23

through these connectors. For 2-way stereo operation the MODE switch

must be disengaged. If the MODE switch is engaged, you will operate in

3-way MONO mode. In such case only use INPUT ONE to feed the signal

into your X23. Do not use INPUT 2.

10 CHANNEL 1 HIGH AND LOW OUT

In 2-way stereo operation (MODE switch disengaged), connect these outputs

respectively to the low frequency and high frequency power amplifiers. In

3-way mono operation (MODE switch engaged) connect LOW OUT to the low

frequency power amplifier. Do not use the HIGH OUT OUTPUT.

11 CHANNEL 2 HIGH AND LOW OUT

In 2-way stereo operation (MODE switch disengaged), connect these outputs

respectively to the low frequency and high frequency power amplifiers. In

3-way mono operation (MODE switch engaged) connect LOW OUT to the

middle frequency power amplifier and HIGH OUT to the high frequency power

amplifier.

Standard IEC receptacle. Connect your X23 to the AC with the supplied AC

power cord. Before powering up your X23 for the first time, make certain

the stated power requirement of the unit matches the voltage supplied by the

AC socket.

If the fuse blows, replaced with a fuse of the correct type only.

12 CD BOOST

High frequencies, even when reproduced by good quality compression drivers

and horns suffer of fast decay. Therefore the sound pressure level of high

frequencies is affected by the distance of the horn from the Audience. With

some large Live applications it may be necessary to boost the high frequencies

to compensate such loss. CD boost stands for Constant Directivity Boost.

Engaging this switch you will produce a boost of 3 dB at 3,5 kHz and then

6 dB x oct up to 22.5 kHz.

This switch will produce a phase inversion of 180 to compensate for phase

cancellation.

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Alto MAC 2.4 User Manual Page 5

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