PHILIPS F9434 (1983) | Dynamic Response Control

 

The F9434 was introduced by Philips in 1983. Following the trends of the moment this loudspeaker uses flat membrane speakers. These are still cone-type drive units but the cone is coupled to a rigid plane mounted perpendicular to the drive coil. The membrane is coupled to the cone at its nodal radius (the point of zero displacement under any resonant condition) and this ensures that the entire surface of the membrane responds uniformly to the drive at all frequencies and amplitudes. For extended bass performance the F9434 also utilizez a DRM - Dynamic Bass Processor. This passive membrane works in phase with the active woofer and covers the low frequency range between 30 and 100Hz. For brilliant transient reproduction and high power handling the tweeter is a Isophase tweeter. This is a wafer-thin Capton membrane (10x thinner than a human hair) in which the voice coil is incorporated. Power rating is 80 W Nominal/140W Music power | Frequency response: 30-40.000Hz | Impedance 8ohm | Size: 740x270x290mm | Weight: 14,8kg.

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