HEDD BASS 08 and BASS 12 Subwoofers

BASS 08 and BASS 12 are the first HEDD subwoofers to appear on the market. They excel in precise low frequency reproduction by newly developed drive units, excellent high power amplifiers and the use of linear phase (or FIR) filters down to 20Hz. Furthermore they offer a satellite output that can influence the output (group delay) of the units to achieve a complete linear phase operation of satellite-sub systems – if HEDD monitors with switched on Lineariser are in place.

We introduce 3 major innovations
to the world of subwoofers

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    CoP (Closed or Ported)

    An innovative choice for the bass response nobody had offered before: removable plugs in the ports together with adapted FIR (Finite Impulse response) filtering allow optimum results in either operating mode.

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    Switchable HEDD Lineariser®

    To avoid any phase errors within the low frequency reproduction down to 20Hz in either mode (closed or ported). A complete Linear Phase operation down to 20Hz is achieved with high resolution by using a separate clock for low frequencies.

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    Complete Linear Phase Satellite-Subwoofer systems

    By applying switchable group delay at the satellite output. The potential listener distances between subwoofers and satellites can be compensated in 5dB steps within a ± 2m range, together with HEDD MK2 monitors a Linear Phase satellite system can be installed for the first time.

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Additional HEDD subwoofer features

+ Switchable Low Pass filtering for use with diff. crossover frequencies including two LFE modes

+ Switchable LF range normal/ extended (15% lower=less SPLmax) and a +10dB option for LFE

+ AES interface input selector for analog, AES left, AES right or AES mono

+ Input sensitivity pot. range -10dB to + 4dB, so AD conversion can be optimized

+ Gain: Analog pot from -12dB to +12dB

 

BASS 08 and BASS 12 are compatible with our previous generation of studio monitors.

Technical Data

BASS 08 BASS 12
Basket Ø 8’’ (2’’ voice coil) 12’’ (2.5’’ voice coil)
Frequency response (-3 dB) 24 - 80 Hz 20 - 80 Hz
Upper frequency limit (var.) 40 - 120 Hz 40 - 120 Hz
LF range (-3 dB): normal / extended 24 / 19 Hz 20 / 16 Hz
Input analog / digital (AES) 2x / 1x XLR 2x / 1x XLR
Input gain ± 12 dB ± 12 dB
Input sensitivity: 0 dB = 90 dB SPL/m -10 / -4 / 0 / +4 dB -10 / -4 / 0 / +4 dB
Output: AES “through” XLR XLR
HEDD Lineariser®, disengageable, delay 30 ms 30 ms
Phase switch 0 / 90 / 180 / 270° 0 / 90 / 180 / 270°
Satellite offset (analog out) ± 2 m, in .5 m steps ± 2 m, in .5 m steps
Frequency response (-3 dB) 24 - 80 Hz 20 - 80 Hz
Maximum SPL at 1 m (half space) 105 dB 115 dB
Power amplifier / universal mains 110 - 240 V 300 W ICEpower 700 W ICEpower
AD/DA Conversion 96 kHz / 32 Bit 96 kHz / 32 Bit
Cabinet with satin lacquer finish black black
Dimensions (H x W x D) 392 x 290 x 400 mm 595 x 380 x 610 mm
Weight 17 kg 32.1 kg
Warranty 2 years 2 years

BASS Backpanel

1. Volume / adjust the output volume

2. HEDD Lineariser® / activate or deactivate the HEDD Lineariser® for full phase linearity

3. CoP / change the DSP settings according to whether you are using the subwoofer ported (without plug) or closed (with plug)

4. Satellite Offset / correct the listening distance of the subwoofer in relation to the monitors

5. Crossover Frequency / adjust the high frequency limit. The low frequency extension (LFE) is suitable for surround applications

6. Low frequency range / optionally extend the bass range (at the expense of a lower max. SPL)or adjust the bass quantity as recommended for surround

7. Input selection / select your active input or stereo channel / please note that in analog mode the stereo channel is defined by your pre-amp

8. Input sensitivity / adjust the input volume by increasing the input by up to 4 dB (warning: clipping may occur) or lowering it by up to 10 dB

9. Phase / manually adjust the phase

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