Toa bs 678
This is the 2 pages manual for toa bs 678.
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Extracted text from toa bs 678 (Ocr-read)
Page 2
Polar Response (Horizontal) SPL vs. Frequency
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Beamwidth vs. Frequency
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Architect's and Engineer's Spec cations
The speaker shall be a 6" (16cm) double cone-type speaker
suitable for wall mounting. Cable connection shall be by means
of a push-in connector (bridging terminal).
The speaker shall include a transformer having multiple taps
(0.8W, 1.5W, 3W, 6W at 100V and 0.4W, 0.8W, 1.5VlL 3W at
70V) adjustable. The output sound pressure level at a distance
ol 1m with a 1W input level applied shall be 94 dB SPL. The
speaker shall have a frequency response of 150 - 20,000Hz
(~20dB).
The speaker enclosure shall be constructed of particle board,
with a pvc sheet, and the baffle oi HIPS. The grille shall be
surface-treated steel plate net. The speaker shall be available in
off-white colour. The unit shall have dimensions of 250 (W) x
190 (H) X 110 (D) mm (9.34" X 7.48" x 4.33"), and a weight of
1.7 kg (3.75 lb).
The speaker shall be a TOA model BS-678.
TOA TOA SwovCOpairation
Specifications are subject to change without notice.
Printed in Japan (0708) 83375238480 u
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