Snell Acoustics Speaker AMC 680 User Manual

AMC680  
FLUSH- MOUNT  
SPEAKER  
COMPACT FLUSH- MOUNT SPEAKER  
PERFECT FOR CEILING AND WALLS  
A round flush-mount speaker can give the maximum performance in the  
smallest space. Its shape is ideal for ceiling mounting, and matching the shape  
of round light fixtures. Yet many round speakers are designed to the lowest  
standards of performance allowable. Not so with the Snell AMC680r. The  
AMC680r utilizes our Directed Power” tweeter, a custom waveguide, that gives  
the sound of a large full-range speaker. This deisgn feature alone surpasses all  
other round flush-mount speakers. The Directed Power” tweeter gives near  
constant beamwidth over a much wider range of frequencies than pivoting eye  
socket” tweeters. By aiming it at a 20 degree angle we can direct the energy  
toward the listening position and assure clarity and imaging that is remarkable  
for an in-ceiling speaker. Alternatively, when used as a surround speaker the  
system can be aimed away from listeners so that energy bounces off of adjacent  
wall surfaces to give a desirable increase in diffusion. The large area of this  
waveguide also reduces rearward bounce off of the woofer cone for a much  
smoother tweeter response allowing a lower crossover point.  
The crossover network used with the AMC680r is much more complex than in  
competitive models for highest possible performance. As with every Snell  
speaker, the AMC680r is hand tuned by our technicians to ensure that each pair  
sounds as well balanced and detailed as our design engineers intended.  
AMC680r  
SPECIFICATIONS  
Frequency Response  
60–20Hz(±3dB)  
Bass Unit  
8(210mm)woofer with  
polypropylenecone and  
NBR rubber surround.  
Hand Tuning  
Frequency Range  
50–22Hz(-6dB)  
Our technicians rigorously match our  
systems to within ±0.5dB of the  
Master Reference  
Grille  
Recommended  
Amplifier Power  
15–85 watts  
Perforated steel; 0.02" (0.5mm)  
thick; painted  
white.  
Dimensions  
Overall Diameter  
10-7/8" (276mm)  
Nominal Impedance  
8 ohms  
Sensitivity  
[1 watt (2.83v)  
at 1m]  
Mounting Hole Diameter  
9-3/4" (248mm)  
143 Essex Street  
Haverhill, MA 01832  
978-373-6114 phone  
978-373-6172 fax  
89dB SPL  
Weight/Each  
4 lbs (1.8 kg)  
Tweeter  
3/4" (19mm) ferrofluid-cooled  
titanium dome  
Covered by patents issued and or  
pending. Specifications subject to  
change. ©2002 Snell Acoustics.  
Finish  
White (paintable).  
with neodymium magnet structure.  
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