4
Use the FREQUENCY control to achieve a smooth transition of bass
frequencies between the subwoofer and your main speakers.
Generally, the frequency should be set at a lower value if your
main speakers have larger woofers, and should be set at a
higher value if your main speakers have smaller woofers.
When setting the F
REQUENCY control by ear, listen for the
smoothness of the bass. If the bass seems too strong at certain
frequencies (especially if your main speakers have larger
woofers), try lowering the F
REQUENCY control setting; if the bass
seems too weak at certain frequencies (especially if your main
speakers have smaller woofers) try raising the F
REQUENCY control
setting.
Ideally, the F
REQUENCY control should be set to the frequency
where your main speakers’ low-frequency response roll-off is
–3dB. However, this is usually impossible to determine
without sophisticated test equipment since each listening
room has a different influence on your main speakers’ bass
performance.
Built-In Limiter
The A800 has a built-in limiter that prevents overdriving the
amplifier. This allows the subwoofer to produce optimium bass
output while maintaining long-term reiliability. The limiter has no
user or installer adjustments.
Specifications
A800
Amplifier Power: 150 watts
Controls: Variable crossover frequency
(50Hz ~ 250Hz), output level,
phase control
Dimensions (W x H x D): 16¾" x 4" x 13½"
(425mm x 102mm x 343mm)
Shipping Weight: 20 lbs (9.1kg)
SONAMP
®
A800 SUBWOOFER AMPLIFIER
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