TOA hb-1 User Manual

3

The TOA HB-1 is a high-power, wall/ceiling-mounted sub-woofer system employing a 20 cm speaker unit.
Although small in size, the HB-1 provides clear super-low frequency sound reproduction thanks to its Acoustic
Super Woofer enclosure construction. 

• A large, 110 mm-diameter ferrite magnet, a long, 35 mm-diameter voice coil, an aluminum bobbin, and a

rubber roll edge combine to permit large voice coil movement at high power input.

• The Acoustic Super Woofer system enclosure creates an acoustic band-pass filter that reproduces super-

low frequencies down to 45 Hz and realizes slow-slope phase characteristics.

• The enclosure is 103 mm in depth from the mounting surface, and suitable for mounting in a wall with two-

by-four construction.

• Rotating lock tabs permit the speaker to be temporarily fixed during installation. Also, the speaker has

provisions for wire or bolt suspension.

• The speaker can be converted to high-impedance applications with the addition of the optional MT-S0601

matching transformer. 

No anti-magnetic provisions have been made for the HB-1 speaker. Therefore, take care to keep the unit
sufficiently away from televisions, monitors or computer-related equipment. 

430

544

32

103

352

520

Front grille

Speaker

Detachable input connector

Hook clip

 (Unit: mm)