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Filtre : Nombre de voie

Passive filters

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Filtering is very important in a system, a complex filtering is not necessarily synonymous with quality. It is possible to combine active filter and passive filter in one system.

There are two types of passive filters:
- High Pass: the frequencies are removed below. For example a high pass at 2000 Hz passes frequencies above 2000 Hz,
- lowpass: frequencies above is removed from. For example a low pass at 2000 Hz passes frequencies below 2000 Hz

The 2-way crossover is comprised of a qualified filter module for "high pass" (high-pass filter) and a qualified filter module of "going down" (low pass filter). The cutoff frequencies of the two filters modules are generally identical.
3-way passive filters (and more) are composed of multiple filter modules "high pass" and "low-pass", the medium channel (center) composed of a high-pass and low-pass is called " bandpass "(band-pass filter). The filter module "band-pass" is nothing more than the combination of a filter "High Pass" filter and a "low pass".Moreover, the operational amplifiers generate noise. Historically, the first discrete filters ROE (+ RC circuit operational amplifier) appeared in the mid sixties. It should nevertheless expect the seventies, with the first commercial integrated circuit (HIC and DIP) to be revealed the economic interest of this type of filter.


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Ce produit a des prix degressifs par quantite

€65.52
In stock
B&C X0-5 (2V)

€58.01
In stock
Passive crossover Beyma FD2XC1, 2 ways, 2200 Hz

€61.21
In stock
Beyma FD2XA (2V)

€79.34
In stock
Passive crossover Beyma FD350, 3 ways, 2.0 / 7.0 kHz

€85.95
In stock
Passive crossover Beyma F300, 3 ways, 800 / 5000 Hz

€67.97
In stock
Passive crossover Beyma FD250, 2 ways, 2000 Hz

€24.62
In stock
Passive crossover Beyma F130, mono high-pass 3000 Hz

€22.10
In stock
Passive crossover Beyma F100, mono high-pass 6300 Hz

€165.90
In stock
Beyma FD25 (2V)

€22.16
In stock
2-way hi-fi passive crossover Beyma, 3000 Hz

€86.82
In stock
Beyma FD237

€69.66
In stock
Passive crossover Beyma FD2CX, 2 ways, 2600 Hz

€47.51
In stock
Ciare CF 100 (2V)

€22.17
In stock
Ciare CF 221 (2V)

€49.26
In stock
Ciare PF 203 (2V)

€65.24
In stock
Davis Acoustics FI747

€58.18
In stock
Davis Acoustics FI280A

€150.54
In stock
Davis Acoustics FM1000

€48.15
In stock
Davis Acoustics FI230RP

€63.64
In stock
Davis Acoustics FM707

€29.04
In stock
Seas RX2.5H

Ce produit a des prix degressifs par quantite

€19.59
In stock
Visaton HW 2/70 NG (2V - 4Ohm)

Ce produit a des prix degressifs par quantite

€19.61
In stock
Visaton HW 2/70 NG (2V - 8Ohm)

Ce produit a des prix degressifs par quantite

€27.67
In stock
Visaton HW 3/80 NG (3V - 8Ohm)

Ce produit a des prix degressifs par quantite

€31.92
In stock
Visaton HW 3/120 NG (3V - 4Ohm)

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