Boston Acoustics Speaker HSi 250 User Manual

HSi Series  
Custom Speakers  
in-ceiling, in-wall  
play invisible. play smart.  
Designed for stunning sound and ease of installation,  
HSi Series Custom loudspeakers expand the realm of  
quality sound to create an audio system that pleases  
even the most critical ears. In fact, these speakers  
perform as well as Boston’s highly regarded traditional  
loudspeakers. Whether you need to fill your favorite room  
with sound, install a whole-house audio system or design a  
custom home theater, Boston has high performance  
HSi Custom speakers that fit every application. All with the  
uncompromising performance you expect from Boston.  
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51”  
61”  
8”  
HSi 250  
HSi 270  
HSi 480  
2-Way 51In-Ceiling Speaker  
2-Way 61In-Ceiling Speaker  
2-Way 8In-Ceiling Speaker  
HSi 460  
HSi 470  
HSi 485  
2-Way 6In-Ceiling Speaker  
(6” driver in a 51” ucouc)  
2-Way 61In-Ceiling Speaker  
2-Way 8In-Wall Speaker  
What it means to be  
from Boston  
First and foremost, Boston is an engineering  
company, and every Boston system is optimized  
to meet the highest performance standards (our  
own). Of course, performance is only one measure  
of value. So we’re careful to build all our products  
with strict attention to everything from the choice  
of materials to the details of fit and finish. It’s how  
we’ve been exceeding the expectations of serious  
listeners for more than thirty years.  
HSi 275  
HSi 255  
2-Way 61In-Wall Speaker  
2-Way 51In-Wall Speaker  
HSi 455  
HSi 475  
2-Way 51In-Wall Speaker  
2-Way 61In-Wall Speaker  
bostonacoustics.com  
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Specifications  
HSi 250  
HSi 270  
HSi 460  
HSi 470  
HSi 480  
2-Way In-Ceiling Speaker  
2-Way In-Ceiling Speaker  
2-Way In-Ceiling Speaker  
2-Way In-Ceiling Speaker  
2-Way In-Ceiling Speaker  
FREQUENCY RESPONSE ( 3dB)  
RECOMMENDED AMPLIFIER POWER  
TWEETER  
75Hz-20kHz  
x0-90 watts  
3(20mm)  
65Hz-20kHz  
x0-90 watts  
3(20mm)  
58Hz-20kHz  
54Hz-20kHz  
45Hz-20kHz  
x0-x00 watts  
x0-x00 watts  
x0-x25 watts  
Pivoting 3(x9mm)  
Kortec® Soft Dome  
Pivoting x(25mm)  
Kortec® Soft Dome  
Pivoting x(25mm)  
Kortec® Soft Dome  
WOOFER  
51(x35mm)  
61(x65mm)  
6DCD™ Copolymer (x52mm) 61DCD Copolymer (x65mm) 8DCD Copolymer (200mm)  
EXTERNAL DIMENSIONS  
MOUNTING HOLE CUTOUT  
MOUNTING DEPTH (FROM SURFACE)  
8116(205mm) diameter  
63(x7xmm) diameter  
3116(78mm)  
x0516(262mm) diameter  
878(225mm) diameter  
4(x00mm)  
8116(205mm) diameter  
63(x7xmm) diameter  
41(x08mm)  
x0516(262mm) diameter  
878(225mm) diameter  
43(x2xmm)  
x21516” (329mm) diameter  
x078(276mm) diameter  
5(x27mm)  
HSi 255  
HSi 275  
HSi 455  
HSi 475  
HSi 485  
2-Way In-Wall Speaker  
2-Way In-Wall Speaker  
2-Way In-Wall Speaker  
2-Way In-Wall Speaker  
2-Way In-Wall Speaker  
FREQUENCY RESPONSE ( 3dB)  
RECOMMENDED AMPLIFIER POWER  
TWEETER  
75Hz-20kHz  
x0-90 watts  
3(20mm)  
65Hz-20kHz  
x0-90 watts  
3(20mm)  
65Hz-20kHz  
52Hz-20kHz  
45Hz-20kHz  
x0-x00 watts  
x0-x25 watts  
x0-x50 watts  
x(25mm)  
Kortec® Soft Dome  
x(25mm) Kortec  
Kortec® Soft Dome  
x(25mm) Kortec  
Kortec® Soft Dome  
WOOFER  
51(x35mm)  
61(x65mm)  
51Copolymer (x52mm)  
x018 x 71(257 x x9xmm)  
81516 x 6(227 x x52mm)  
278”(73mm)  
61DCD Copolymer (x65mm) 8DCD Copolymer (200mm)  
EXTERNAL DIMENSIONS  
MOUNTING HOLE CUTOUT  
MOUNTING DEPTH (FROM SURFACE)  
x018 x 71”(257 x x9xmm)  
81516 x 6(228 x x52mm)  
238(60mm)  
xx916 x 81316(294 x 224mm)  
x0 x 738(254 x x87mm)  
3(76mm)  
xx916 x 81316(294 x 224mm)  
x0 x 738(254 x x87mm)  
31”(89mm)  
x338 x x0516(340 x 262mm)  
xx1316 x 878(300 x 226mm)  
31316”(97mm)  
HSi 4830  
HSi 455W2  
HSi 460T2  
HSi 470T2  
HSi 475T2  
3-Way In-Ceiling Speaker  
2-Way In-Wall Speaker  
Scereo In-Ceiling Speaker  
Scereo In-Ceiling Speaker  
Scereo In-Wall Speaker  
FREQUENCY RESPONSE ( 3dB)  
RECOMMENDED AMPLIFIER POWER  
TWEETER  
48Hz-20kHz  
65Hz-20kHz  
75Hz-20kHz  
x0-70 watts  
60Hz-20kHz  
52Hz-20kHz  
x0-x00 watts  
x0-x25 watts  
x0-90watts  
x0-x25 watts  
x(25mm)  
Kortec® Soft Dome  
x(25mm)  
Kortec® Soft Dome  
Dual 3(20mm)  
Dual x(25mm)  
Kortec® Soft Dome  
Dual x(25mm)  
Kortec® Soft Dome  
MIDRANGE  
WOOFER  
31(89mm)  
Stamped steel copolymer  
8(200mm)  
DCD Copolymer cast  
Dual 51(x35mm)  
Copolymer  
6(x52mm)  
DCD Copolymer  
61(x65mm)  
DCD Copolymer  
61(x65mm)  
DCD Copolymer  
EXTERNAL DIMENSIONS  
x258(32xmm) diameter  
x078(276mm) diameter  
6(x53mm)  
x558 x 9(397 x 229mm)  
x41 x 758(36x x x93mm)  
23”(70mm)  
8116(205mm) diameter  
63(x7xmm) diameter  
41(x08mm)  
x0516(262mm) diameter  
878(225mm) diameter  
4916(xx5mm)  
xx916 x 81316(294 x 224mm)  
x0 x 738(254 x x87mm)  
31(89mm)  
MOUNTING HOLE CUTOUT  
MOUNTING DEPTH (FROM SURFACE)  
300 Jubilee Drive, Peabody, MA 0x960 bostonacoustics.com  
© 20089 All rights reserved. Boston, Boston Acoustics, DanedepBaCshsTarnanceal,reanredgKisotretreecdatrreadreegmisatrekrse,dantrdadtheemBa/rAkse, allnipdsethseymB/bAoel lalinpdsePslayymSbmoalratnadrePtlaraydSemmaarrtkasroeftBraodsetomnaArkcsooufsBtiocs,toInnc.Acoustics, Inc.  
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