General Characteristics for 8Ω
| Nominal Overall Diameter |
305 mm |
12 in. |
| Nominal Voice Coil Diameter |
32 mm |
1.25 in. |
| Magnet Weight |
298 g |
10.50 oz |
| Overall Weight |
|
4.10 lbs |
| Flux Density |
|
0.98 T |
Thiele-Small Parameters for 8Ω
| Voice Coil DC Resistance |
RE |
5.72 Ω |
| Resonance Frequency |
ƒS |
90.4 Hz |
| Mechanical Q Factor |
QMS |
10.62 |
| Electrical Q Factor |
QES |
2.38 |
| Total Q Factor |
QTS |
1.94 |
| Mechanical Moving Mass |
MMS |
22.1 g |
| Mechanical Compliance |
CMS |
140 µm/N |
| Force Factor |
BxL |
5.50 Wb/m |
| Equivalent Acoustic Volume |
VAS |
47.5 lt. |
| Maximum Linear Displacement |
XMAX |
± 1.00 mm |
| Reference Efficiency |
nO |
1.42 % |
| Diaphragm Area |
SD |
490.8 cm2 |
| Losses Electrical Resistance |
RES |
25.5 Ω |
| Voice Coil Inductance @ 1kHz |
LE |
0.67 mH |
Constructive Characteristics for 8Ω
| Magnet |
|
Alnico |
| Voice Coil Winding |
|
Copper |
| Voice Coil Former |
|
Nomex |
| Cone Material |
|
Paper |
| Surround Material |
|
Integrated Paper |
| Dust Dome Material |
|
Solid Paper |
| Basket Material |
|
Pressed Sheet Steel |
Electrical Characteristics for 8Ω
| Nominal Impedance |
|
8 Ω |
| Rated Power |
|
40 W |
| Musical Power |
|
80 W |
| Sensitivity@1W,1m |
|
95.0 dB |
The P12Q has a very warm, mid-focused bite with clear, bright highs. When presented with overdrive distortion the P12Q remains well-balanced.
| Lows: | Mids: | Highs: | Overdrive: |
| Loose |
Firm |
Smooth |
Edgy |
| Very warm, mid-focused bite with clear bright highs. When presented with overdrive distortion it remains well balanced. |
| Not recommended for Bass |
Frequency Response Charts:
