Bedienungsanleitung Emphaser EBR112SPL-X4 (Seite 3 von 4) (Deutsch, Englisch)

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ADJUSTMENT OF CROSSOVER

The SPL-X4 ported subwoofer systems need a lowpass filtered sig-

nal to perform best. Thus you have to select the low-pass crossover

function of the amplifier channels that drive your sub, or activate

the DSP based crossover of your headunit driving the sub line-out.

A filter slope steepness of min. 12dB/oct. up to 24dB/oct. is recom-

mended. For normal compact type cars an 18dB/oct. lowpass for

the sub channel(s) in combination with 12dB/oct. highpass filtered

channels feeding the satellite speakers will usually render best

phase match on the x-over frequency.

The lowpass and highpass cut off / cut in frequency points should

be set to approx. 80 Hz, in order to test the best connection polarity

of your subwoofer.

Phase optimized connection polarity: The correct and best sound-

ing polarity for your subwoofer needs to be determined empirically

„by ear“, due to the different sound wave path lenghts by the com-

ponent system mounted to the front doors and the sub playing in

the trunk. This is carried out by connecting the speaker wire to the

plug of the subwoofer either correctly “in-phase” or with reversed

connection polarity – while the resulting sound needs to be judged

sitting on the drivers seat and with the trunk closed. You can further

improve the phase match of the sub to the satellite speakers, if

your amp features a phase shift control function, or if the headunit

deploys a DSP offering time alignment of sat/sub channels.

Once you have found the correct or better sounding connection

polarity of your sub, you can re-mount the top of the terminal

plug.

The final adjustments now center around the lowpass crossover

frequency point and input level gain of the amp channels driving

the subwoofer. In general, the lowpass crossover frequency should

be set in between 65 to 90 Hz.

Note: Selecting a very low crossover frequency (<70Hz) will give

you soft and infra-bass heavy sound, whereas setting the x-over

frequency too high tends to let you end up with an "over-booming"

sound character lacking in low end extension.

Congratulations on your purchase of this EMPHASER SPL-X4 ported

trunk box subwoofer system.

Before you put this subwoofer in your trunk and fire it up, please

read the manual and all operating and adjustment instructions

given, to obtain best possible sound quality and full performance.

This SPL-X4 trunk box subwoofer model follows the ported enclosure

tuning principle, with some special features implemented in the con-

struction as listed below:

TECHNICAL KEY FEATURES

■ Loaded with E12SPL-X4 / E15SPL-X4 subwoofer

■ Optimized for >130dB SPL output

■ Cabinet made of solid MDF wood

■ Large cross section slot port design

■ EMPHASER quick-connect terminal

■ PU-foam inner damping for best sonics

BOX LOCATION & GENERAL INFO

The SPL-X4 trunk box sub models are designed and acoustically

optimized for deployment in the trunk of hatchback or sedan type

vehicles.

The EMPHASER „Safety Terminal“ provides straightforward and

simple connection of this subwoofer model, or a quick removal

of it when necessary. Accidential reverse polarity connections are

avoided by the special shape of the plug and the receptor cup,

that fit together like a key in a lock. The slot port enclosure design

enables the SPL-X4 woofer to perform as intended, i.e. sustain-

ing exceptionally high undistorted and port noise free bass output

levels.

CONNECTION TO THE AMP

Remove the top part of the speaker plug. Connect the speaker wires

coming from the amp to the terminal binding posts located inside

the main terminal housing. Do not remount the top of the plug yet,

as the correct connection polarity of the speaker cable connecting

the sub to the amp must be determined first, to obtain in-phase

response between subwoofer and satellite speakers.

TECHNICAL SPECIFICATIONS EBR112SPL-X4 EBR115SPL-X4

Peak input power: 5 kW 5 kW

Continuous input power: 2500 W 2500 W

Sensitivity (1W/1m): 89 dB 90 dB

Frequency response (-3dB in car): 40 – 85 Hz 35 – 85 Hz

Nominal impedance: 2 x 2 Ohms 2 x 2 Ohms

Dimensions (WxDxH mm): 582 x 480 x 402 675 x 513 x 467

– Technical construction and specifications subject to changes without notice –

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