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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.
Characteristics
Series |
|
Redcoats |
Model |
|
Private Jack |
Application |
|
12" Open or Closed Back |
Configuration |
|
1, 2, or 4 X 12" |
Low End Response |
|
Moderate |
Low End Shape |
|
Tight |
Mid-Range Response |
|
Moderate |
Mid-Range Shape |
|
Warm |
High-End Response |
|
Aggressive |
Volume/Power |
|
Louder |
Overall Coloration* |
|
Thick and smooth, with lots of mids and extended highs. Very well balanced speaker. Classic British flavor |
Break-up Modes |
|
Medium |
Power Range |
|
Up to 50 watts |
Instrument* |
|
Lead/Rhythm Guitar |
Genre of Music* |
|
Classic British tone for Blues, Indie, Jazz |
Specifications
Download Spec Sheet
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 |
Frequency Response
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