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: 0.31″, 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
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