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", 304.8mm
• Nominal Impedance* 16 ohms
• Power Rating**
• Watts 50W
• Music Program N/A
• Resonance 101Hz
• Usable Frequency Range 70Hz - 5.5kHz
• Sensitivity*** 100.3dB
• Magnet Weight 38 oz.
• Gap Height 0.31", 7.92mm
• Voice Coil Diameter 1.75", 44.5mm

Thiele & Small Parameters

• Resonant Frequency (fs) 101Hz
• DC Resistance (Re) 14
• Coil Inductance (Le) 0.77mH
• Mechanical Q (Qms) 12.69
• Electromagnetic Q (Qes) 1.11
• Total Q (Qts) 1.02
• Compliance Equivalent Volume (Vas) 35.9 liters / 1.3 cu.ft.
• Peak Diaphragm Displacement Volume (Vd) 64cc
• Mechanical Compliance of Suspension (Cms) 0.09mm/N
• BL Product (BL) 14.6 T-M
• Diaphragm Mass Inc. Airload (MMs) 27 grams
• Efficiency Bandwidth Product (EBP) 91
• Maximum Linear Excursion (Xmax) 1.2mm
• 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 122 cu.in. / 2 liters
• Overall Diameter 12.02", 305.3mm
• Baffle Hole Diameter 10.97", 278.6mm
• Front Sealing Gasket Fitted as standard
• Rear Sealing Gasket Fitted as standard
• Mounting Holes Diameter 0.25", 6.4mm
• Mounting Holes B.C.D. 11.63", 295.4mm
• Depth 5.1", 130mm
• Net Weight 8 lbs, 3.6 kg
• Shipping Weight 9.8 lbs, 4.5 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