4. LOW FREQ FILTER

80Hz 49Hz

LOW CUT (NORMAL)

LOW

FREQ FILTER

THX = 80Hz

The LOW FREQ FILTER switch inserts a low-frequency rolloff into the response curve.

•For some applications, the low-frequency output of the HR624 MK2 may impair your ability to make mix judgements.

•For THX applications, use the 80Hz setting.

•For non-THX applications where a sub-woofer isn’t enhancing low-frequency output use the 49Hz (NORMAL) position.

•The LOW FREQ switch affects the low-frequency content of your mix. Remember how things work in reverse, so removing the deep bass content on playback may actually increase it in the final mix.

•You can use the LOW FREQ switch’s 80Hz position to simulate a smaller loudspeaker, especially one with limited low-frequency capability (like a certain popular 2-way nearfield monitor). You may need to do this if a small speaker is the eventual destination of your mix, or perhaps just to see how your mix sounds on a clock radio.

Removing the low-frequency content also allows you to raise the overall output level 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 a workable strategy.

5. HIGH FREQ FILTER

–2dB 0 +2dB

(NORMAL)

HIGH

FREQ FILTER

THX = 0 dB

The HIGH FREQ FILTER switch tailors the overall high-frequency response by ±2 dB beginning at 10kHz. Leave this switch in the 0 (NORMAL) position unless:

•You want to subtly brighten or darken the sound of the speakers.

•Perhaps you have hearing loss caused by too many nights in front of a double Marshall stack.

•You just like to mix on the bright side or dull side.

If your mixes consistently sound dull or dark when you listen elsewhere, this usually indicates that your monitors are too bright, relative to your normal hearing. A bit less high-frequency energy usually fixes this, and you can force the mix in this direction by reducing the high-frequency output of the monitors by using the –2 dB position of the switch.

Manual Owner’s

–10dB QUARTER WHOLE (NORMAL)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A

C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OFF NORMAL

 

 

 

 

B

80Hz

49Hz

–2dB 0 +2dB

STANDBY

 

 

ON

 

 

 

 

 

HALF

LOW CUT

(NORMAL)

 

 

(NORMAL)

 

 

AUTO

 

 

 

 

 

 

 

 

 

 

 

INPUT

 

ACOUSTIC

 

 

LOW

 

 

HIGH

 

 

 

ON

 

 

 

 

 

 

 

 

POWER

 

 

SENSITIVITY

 

 

 

SPACE

FREQ FILTER

FREQ FILTER

 

 

MODE

 

 

SIGNAL INPUTS BAL/UNBAL

MAINS INPUT

PHONE

XLR

RCA

Owner’s Manual

9