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DHT 9 8 OHM

HiFi horn driver for the high-frequency range above 5000 Hz. Very good pulse response and linear frequency response due to special aluminium diaphragm. High power handling and linear impedance due to capton voice-coil carrier and aluminium voice-coil wire.
Technical Data
Sketch
Amplitude & Impedance Frequency
Nominal impedance Z 8 Ohm
Frequency response 3000 - 38000 Hz
Mean sound pressure level 98 dB (1W/1m)
Resonance frequency fs 5000 Hz
Magnetic induction 1.5 Tesla
Magnetic flux 150 µ Weber
Height of front pole-plate 2.5 mm
Voice coil diameter 1.6 cm
Height of winding 0.25 cm
Cutout diameter 7.4 cm
Net weight 0.37 kg
D.C. resistance Rdc 6.3 Ohm
Dynamically moved mass Mms 0.11 g
Inductance of the voice coil L 0.15 mH
Peak power handling with high pass 150 Watt (12 dB/Okt.; 7500 Hz)
Nominal power handling with high pass 100 Watt (12 dB/Okt.; 7500 Hz)

Used in / Accessories:

FIESTA 20

Connoisseurs of crisp, powerful bass and clear higher range frequencies, coupled with excellent power-handling capabilities, will welcome the 65-litre FIESTA 20 speaker, because it was designed specifically for them.
A special crossover circuit enables the two W 200 NG 8 Ohm to work in the bass range in tandem up to around 120 Hz. After that, the output level of the lower speaker is lowered and the upper W 200 NG 8 Ohm takes over the mid-range. The pressure chamber system of the DHT 9 8 Ohmproduces high-range dynamics with amazing signal fidelity and is effectively protected against overloading by the voltage attenuator connected in series.
The special sound characteristics of this system will appeal mainly to rock music fans. This musical genre often requires high output levels and needs the right punch in the bass range. It is precisely these features, good power handling capabilities and authentic bass reproduction coupled with a moderate price that make the VISATON FIESTA 20 what it is.


FIESTA 30

A loudspeaker that produces similar sound characteristics in the hi-fi field as the FIESTA 20, but, due to its higher efficiency rating, can also double up as a speaker for the electronic organ at home and be used in the party room; that is the FIESTA 30.
At the lower end of the frequency scales in this all-round system, we find the tough 12" BG 30 NG 8 Ohm in a generously sized 130-litre vented cabinet. The mid- to high-range is covered by the new BG 20 8 Ohm and the DHT 9 8 Ohm tweeter horn.
The result is a high efficiency rating of 91 dB (1 W/1 m) at impedancelevels that are not amplifier-sensitive and a music load of no less than 250 W.
The robust reproduction quality required for party use or for a musician is complemented adequately by the smooth frequency response with the neutral hi-fi sound qualities required in a home listening environment.

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