Hertz ML 280 [9/36] Technology

When trying to have good quality listening in car, the main

problem you have to solve is the different distance of the two

stereo channels from the listening point. Both the driver and the

passenger who sit in the car have an average offset between

the two channels equal to about 25-35 cm. Because of this

difference, the sound of the farther channel is perceived 85 ms

later than the other. Human hearing does not consciously

distinguish this delay and cannot elaborate perceived sound in a

natural way, as if it came from the same source.

The possibility to select listening point according to three different configurations (driver, passenger, all)

in a few seconds is brand new and makes these crossovers suitable to every listening condition.

Another listening problem which derives from the CAR compartment asymmetry is the different

direction of the speakers of the two channels with regard to

the listening point. The biggest angulation of the channel

which is closer to the listener changes frequency response

according to surface and to membrane size.

HFC

®

(High Frequency Contour) system totally

Car is one of the most complex, difficult surroundings for musical reproduction. Every car

compartment has its special sound, demands specifically designed installation projects and involves

materials and acoustic parameters) and developed innovative crossovers in our laboratories; these

filters are extraordinary both in terms of construction and of performance.

The crossover is the heart of every loudspeakers system, it is the device which handles the response

of every component for generating the system sound, the air vibrations in the listening environment.

Frequency response, phase response, interactions among the single components and between the

latter and the listening environment. Components sonic accuracy, interaction easiness and versatility,

reliability. MILLE line new systems have unique crossovers, with very precise, efficient equalisers and

time correction devices, derived from HERTZ engineering staff's long experience.

MLCX 3

MLCX 2