Detailed Driver Unit Description
Specifications:
a) Applicable horns: TH - 16, TH - 18, TH - 20, TH - 22, SH - 380
b) Rated input:
1) SDU - 75: 75W
2) SDU - 50: 50W
c) Rated impedance: 16 Ohms
d) Sound pressure level: 110dB (1W / ) (when operated with TH - 20 standard
)
e) Frequency response: 180 - 6000Hz (when operated with TH - 20 standard
)
f) Horn coupling: 1 - 3/8 18 threads (inch )
g) Polarity:
1) Hot: +
2) Com: -
h) Operating temperature: -20 ~ 55oC (must be free from dew )
i) Finish:
1) Flange and rear cover: aluminum or black coated
2) Screws: stainless steel
j) Dimensions (D x ):
1) SDU - 75: 125 x 100mm
2) SDU - 50: 114 x 95mm
k) Weight:
1) SDU - 75: 2.4kg
2) SDU - 50: 2.1kg
Note:
a) When the driver unit cannot be mounted on the TH - 16 or TH - 20 speaker
horn, first remove a horn coupler, then attach the driver to the removed
coupler and reinstall the coupler assembly in the horn
b) Speaker cable connection: remove cable connectors from the TH - 16 or TH - 20
cover, and connect the drivers speaker cables to horn cables of the same
color
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