The Eminence Private Jack guitar speaker is chock full of Classic British flavor. A very well balanced speaker, thick and smooth, with lots of mids and extended highs.

SPECIFICATION
Nominal Basket Diameter	12", 305 mm
Nominal Impedance*	8 Ω
Power Rating*
Program Power	N/A
Watts	50 W
Resonance	96 Hz
Usable Frequency Range	80 Hz - 5 kHz
Sensitivity*	101 dB
Magnet Weight	38 oz.
Gap Height	0.312", 7.9 mm
Voice Coil Diameter	1.75", 44 mm
THIELE & SMALL PARAMETERS
Resonant Frequency (fs)	96 Hz
DC Resistance (Re)	7.01 Ω
Coil Inductance (Le)	0.49m H
Mechanical Q (Qms)	18.19
Electromagnetic Q (Qes)	0.72
Total Q (Qts)	0.69
Compliance Equivalent Volume (Vas)	33.7 liters / 1.19 cu.ft.
Peak Diaphragm Displacement Volume (Vd)	64.4 cc
Mechanical Compliance of Suspension (Cms)	0.09 mm/N
BL Product (BL)	13.5 T-M
Diaphragm Mass Inc. Airload (MMs)	31 grams
Efficiency Bandwidth Product (EBP)	134
Maximum Linear Excursion (Xmax)	1.24 mm
Surface Area of Cone (Sd)	519.5 cm2
Maximum Mechanical Limit (Xlim)	N/A
MOUNTING INFORMATION
Recommended Enclosure Volume
Sealed	Acceptable
Vented	Acceptable
Driver Volume Displaced	0.071 cu.ft. / 2 liters
Overall Diameter	12.03", 305.6 mm
Baffle Hole Diameter	11.07", 281.2 mm
Front Sealing Gasket	Yes
Rear Sealing Gasket	Yes
Mounting Holes Diameter	0.25", 6.4mm
Mounting Holes B.C.D.	11.59", 294.4mm
Depth	5.1", 129.5 mm
Net Weight	8 lbs, 3.63 kg
Shipping Weight	9.8 lbs, 4.45 kgs
MATERIALS OF CONSTRUCTION
Coil Construction	Copper voice coil
Coil Former	Paper former
Magnet Composition	Ferrite magnet
Core Details	Non-vented core

Basket Materials	Pressed steel basket
Cone Composition	Paper cone
Cone Edge Composition	Paper cone edge
Dust Cap Composition	Zurette dust cap

Eminence Private Jack 12" 50 Watt 8ohm Guitar Speaker

Have a question?