Dynaudio Sub 6 Manuel du propriétaire - Page 15

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1. Installation

Sub 6 Configuration Menus 2

Filter Presets: The Sub 6 incorporates

If your Dynaudio speaker model is not

low pass filter presets for a range of

listed among the Sub 6 presets, or if

Dynaudio speaker models.

your Sub 6 is to be used with speakers

from an alternative manufacturer, select

If your Sub 6 is to be used in a system

a low pass filter frequency closest to the

with one of the Dynaudio models listed,

speaker's specified -6dB low frequency

select it to automatically configure the

cut-off.

Sub 6 low pass filter appropriately.

Note

Subwoofer filter frequency

Matching the filter frequency of

set optimally

the subwoofer to the bass cut-off

The subwoofer and main speakers are

frequency of the main speakers

well matched. The system frequency

will have an important impact on

response is smooth without a peak or

the overall system sound quality. In

dip. A well balanced sound will result.

general, larger main speakers will have

more extended bass so will require

Subwoofer filter frequency set

a lower subwoofer filter frequency.

too low

Conversely, smaller main speakers are

A dip in the system response will

likely to require a higher subwoofer

occurs if the filter frequency of the

filter frequency. If the subwoofer filter

subwoofer is set too low – perhaps

frequency is not set optimally, the

with small main speakers that do

overall frequency response of the

not have extended bass response.

system may display an audible peak

The result will be missing musical

or dip around the crossover frequency.

information and a thin overall sound.

The diagram opposite illustrates

the three frequency response

Subwoofer filter frequency set

characteristics that might result from

too high

optimum and non-optimum subwoofer

A peak in the response will occur if

filter settings.

the filter frequency of the subwoofer is

set too high – perhaps with large main

speakers that have an extended bass

response. The result will be an excess

of mid-bass energy that will sound

unnatural and bloated.

If your subwoofer is to be used for the

LFE channel in a home theatre system

select the filter Bypass option.

Subwoofer filter set optimally

Frequency >

Subwoofer filter set too low

Frequency >

Subwoofer filter set too high

Frequency >

System response

Subwoofer

Main speakers

Sub 6 Configuration Menus 3

Parametric EQ: Provides three bands

of low frequency parametric equalisation.

Each band offers frequency, gain and Q

parameters. The equalisation is set "flat"

by default.

Using Parametric Equalisation

response anomalies, however the

The digital signal processing power

Dynaudio Sound Meter app (available free

incorporated in Sub 6 enables three

from the Apple app store) incorporates a

bands of parametric equalisation to be

real time frequency analyser that can be

applied to the input signal. Parametric

used to help identify anomaly frequencies

equalisation can be viewed as finely

and so guide parametric equalisation set

targeted tone control that is able to

up.

correct specific frequency response

anomalies caused by room acoustics.

Sit in your main listening position, launch

It should only be used after the

the Sound Meter app and select the

subwoofer position has been finalised.

RTA option while playing a "pink noise"

signal through the subwoofer (pink

Each band of parametric equalisation

noise can be found on many music

offers three control parameters:

streaming services). Prominent peaks

frequency, level and Q. "Frequency"

in the response curve displayed by the

defines the centre frequency around

app will most likely correspond with any

which the equalisation band operates,

audible frequency response anomalies.

"level" defines the degree of boost or

Equalisation bands can then be set at

cut, and "Q" defines the width of the

the anomaly frequencies and the level

equalisation band (a higher Q means a

and Q parameters adjusted to flatten the

narrower band). These control parameters

response curve.

are illustrated in the diagram opposite.

Further guidance on using subwoofer

The Sub 6 Parametric EQ is intended to

parametric equalisation can be found on

be used in combination with professional

the Sub 6 product page at dynaudio.com.

room acoustic analysis to identify

Configuration and Use

Note

The diagram shows one band of

parametric equalisation set with

a relatively high Q (approx 5) and

approximately 6dB of attenuation.

Sub 6 Parametric EQ is a powerful

tool and it should be used

carefully. In the vast majority

of circumstances equalisation

should be used to attenuate room

anomalies rather than not to boost

subwoofer bass. If more bass is

required always try repositioning

the subwoofer first.

Parametric EQ parameters

Level

Frequency

Frequency >