ALPHA-6CBMRA 6" American Standard Series Speaker Closed Back Mid-Range

Recommended for pro audio, car audio, and bass guitar midrange applications. Sealed basket affords this speaker enclosure independence.

SPECIFICATION
Nominal Basket Diameter	6", 165 mm
Nominal Impedance*	8 Ω
Power Rating*
Program Power	200 W
Watts	100 W
Resonance	407 Hz
Usable Frequency Range	400 Hz - 5 kHz
Sensitivity*	97.8 dB
Magnet Weight	16 oz.
Gap Height	0.25", 6.4 mm
Voice Coil Diameter	1.5", 38 mm
THIELE & SMALL PARAMETERS
Resonant Frequency (fs)	407 Hz
DC Resistance (Re)	5.26 Ω
Coil Inductance (Le)	0.38m H
Mechanical Q (Qms)	6.04
Electromagnetic Q (Qes)	1.74
Total Q (Qts)	1.35
Compliance Equivalent Volume (Vas)	0.45 liters / 0.02 cu.ft.
Peak Diaphragm Displacement Volume (Vd)	19 cc
Mechanical Compliance of Suspension (Cms)	0.02 mm/N
BL Product (BL)	7.86 T-M
Diaphragm Mass Inc. Airload (MMs)	8 grams
Efficiency Bandwidth Product (EBP)	234
Maximum Linear Excursion (Xmax)	1.5 mm
Surface Area of Cone (Sd)	126.7 cm2
Maximum Mechanical Limit (Xlim)	3 mm
MOUNTING INFORMATION
Recommended Enclosure Volume
Sealed	N/a
Vented	- liters / - cu.ft.
Driver Volume Displaced	0.014 cu.ft. / 0.4 liters
Overall Diameter	6.59", 167.4 mm
Baffle Hole Diameter	5.69", 144.5 mm
Front Sealing Gasket	Yes
Rear Sealing Gasket	Yes
Mounting Holes Diameter	0.23", 5.8mm
Mounting Holes B.C.D.	6.06", 153.9mm
Depth	2.2", 55.9 mm
Net Weight	3.7 lbs, 1.68 kg
Shipping Weight	4.4 lbs, 2 kgs
MATERIALS OF CONSTRUCTION
Coil Construction	Copper voice coil
Coil Former	Polyimide former
Magnet Composition	Ferrite magnet
Core Details	Non-vented core

Basket Materials	Pressed steel basket
Cone Composition	Paper cone
Cone Edge Composition	Cloth cone edge
Dust Cap Composition	Solid composition paper dust cap