Description
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.
Colouration: Thick and smooth, with lots of mids and extended highs. Very well balanced speaker. Classic British flavour.
Genre: Classic British tones for Blues, Indie and Jazz.
Manufacturer 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 | 0.31", 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 |
| 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 |