Snell Acoustics owner manual Specifications, AMC650r, AMC680r

SPECIFICATIONS	AMC650r	AMC680r
Frequency Response (±3dB)	65Hz–20kHz	60Hz–20kHz
Frequency Range (-6dB)	55Hz–22kHz	50Hz–22kHz
Recommended Amplifier Power	15–85 watts	15–85 watts
Nominal Impedance	8 ohms	8 ohms
Sensitivity [1 watt (2.83v) at 1m]	88dB SPL	89dB SPL

Tweeter	3⁄4-inch (19mm)
	ferrofluid-cooled
	titanium dome tweeter
	with neodymium
	magnet structure

3⁄4-inch (19mm) ferrofluid-cooled titanium dome tweeter with neodymium magnet structure

Bass Unit	61⁄2-inch (165mm)	8-inch (203mm)
	woofer with	woofer with
	polypropylene cone	polypropylene cone
Grille	Perforated steel	Perforated steel
	0.02-inch (0.5mm)	0.02-inch (0.5mm)
	thick, painted white	thick, painted white
Dimensions	9" (227mm)	103⁄4" (273mm)
Overall Diameter
Mounting Hole Diameter	73⁄4" (197mm)	91⁄2 - 93⁄4" (241-248mm)
Weight/each	3 lbs (1.4kg)	4.5 lbs (2.0kg)
Finish	White (paintable)	White (paintable)

3/4" ferrofluid cooled tweeter

copolymer woofer

High-order

Waveguidecrossover with 20° tilt

2