Acoustic fine tuning, Checking loudspeaker phase – Niles Audio HDLCRBX DS00420ACN User Manual

Page 10

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ACOUSTIC FINE TUNING

Each HDLCRbx loudspeaker features separate Treble Cut and Dialog Enhance controls on the rear
for acoustic fine-tuning after placement, as shown in

Figure 4. Adjust these controls as follows:

• Initially set Treble Cut to Flat and Dialog Enhance to Normal.

• If a HDLCRbx is placed in a room with highly reflective surfaces like glass or tile or the

reproduced sound is too bright, set the Treble Cut switch to – 3 dB to lower the high-
frequency response.

• Listen to dialog being reproduced on the HDLCRbx. If you want it more pronounced, set

the Dialog Enhance switch to Enhance to boost the mid-frequency response.

CHECKING LOUDSPEAKER PHASE

Loudspeaker wire has two conductors. On both your loudspeaker and amplifier, one conductor
is attached to the negative (–) terminals, while the other is attached to the positive (+) terminals.
Usually, the wire is marked for your convenience, but the marking can be done in the following
different ways:

• Stripe on one wire

• Ribbed area you can feel on one conductor

• Different colors of metal wire on each conductor

• Fabric strand or string wound into one of the conductors

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Figure 4. The HDLCRbx’s Treble Cut, Dialog Enhance, and D.S.F.G. switches.

DS00420ACN_HDLCRbx.indd 10

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