Mackie HR824 LOW FREQ, HIGH FREQ, 37Hz, unless:, LOW FREQ, HIGH FREQ, dull side, 0 (NORMAL), Marshall stack, (NORMAL) position, a workable strategy, sound of the speakers

LOW FREQ

somewhat. Low-frequency information requires

the largest amount of an amplifier’s output, so

restricting the low-frequency content allows

raising the mid-frequency level somewhat. If

your client insists on mixing LOUD, this may be

80Hz

47Hz

37Hz

a workable strategy.

LOW CUT

(NORMAL)

LOW FREQ

HIGH FREQ

The LOW FREQ switch inserts a steep low-

frequency rolloff into the response curve.

• For many applications, the low-frequency

output of the HR824 may impair your ability

–2dB 0 +2dB

to make mix judgements.

(NORMAL)

• For most applications, use the 47Hz setting.

HIGH FREQ

• If you want or need the extra low-frequency

The HIGH FREQ switch tailors the overall

capability, by all means use the 37Hz

high-frequency response by ± 2 dB at 10kHz.

(NORMAL) position.

Leave this switch in the 0 (NORMAL) position

• The LOW FREQ switch affects the low-

unless:

frequency content of your mix. Remember

• You want to subtly brighten or darken the

how things work in reverse, so removing the

sound of the speakers.

deep bass content on playback may actually

• Perhaps you have hearing loss caused by

increase it in the final mix.

too many nights in front of a double

• You can use the LOW FREQ switch’s 80Hz

Marshall stack.

position to simulate a smaller loudspeaker,

• You just like to mix on the bright side or

especially one with limited low-frequency

dull side.

capability (like a certain popular 2-way

If your mixes consistently sound dull or dark

nearfield monitor). You may need to do this

when you listen elsewhere, this usually indicates

if a small speaker is the eventual destina-

that your monitors are too bright, relative to

tion of your mix, or perhaps just to see how

your normal hearing. A bit less high-frequency

your mix sounds on a clock radio.

energy usually fixes this, and you can force the

Removing the low-frequency content also

mix in this direction by reducing the high-

allows you to raise the overall output level

frequency output of the monitors by using

the –2 dB position of the switch.

FREE FIELD ACOUSTIC RESPONSE

1k

–

–

37Hz

20kHz

22 kHz

+1.5dB 39Hz

–10dB

–3dB

–3dB

OFF

NORMAL

A B

C

80Hz 47Hz 37Hz

–2dB 0 +2dB

STANDBY

ON

QUARTER HALF

WHOLE

LOW CUT

(NORMAL)

(NORMAL)

AUTO

INPUT

(NORMAL)

ON

LOW FREQ

HIGH FREQ.

POWER MODE

SENSITIVITY

ACOUSTIC SPACE

™

LISTED COMMERCIAL

AUDIO EQUIPMENT

R

9Z39

INTERNAL BI•AMPLIFICATION

150W. L.F. / 100W. H.F.

"MACKIE", "FR SERIES", AND THE "RUNNING MAN" FIGURE ARE REGISTERED TRADEMARKS OF MACKIE DESIGN INC.

CAUTION

WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT

SERIAL NUMBER

EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE. DO NOT REMOVE COVER.

RISK OF ELECTRIC SHOCK

NO USER SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL.

DO NOT OPEN

AVIS: RISCQUE DE CHOC ÉLECTRIQUE — NE PAS OUVRIR

CONCEIVED, DESIGNED, AND MANUFACTURED BY MACKIE DESIGNS INC • WOODINVILLE • WA • USA

MADE IN USA • PATENTS PENDING • © 1997 MACKIE DESIGNS INC. ALL RIGHTS RESERVED

SIGNAL INPUTS BAL/UNBAL

PATENT NO:

MAINS INPUT

DES. 387,351

120VAC

PHONE

XLR

RCA

60 Hz 150W

9