General Characteristics for 8Ω
Nominal Overall Diameter
209 mm
8 in
Nominal Voice Coil Diameter
50 mm
2 in
Magnet Weight
1100 g
39 oz
Overall Weight
3.1 kg
6.83 lbs
Flux Density
1.1 T
Voice Coil Winding Depth
11 mm
0.43 in
Magnetic Gap Depth
10 mm
0.39 in
Thiele-Small Parameters for 8Ω
Voice Coil DC Resistance
RE
6.08 Ω
Resonance Frequency
ƒS
74.7 Hz
Mechanical Q Factor
QMS
3.61
Electrical Q Factor
QES
0.36
Total Q Factor
QTS
0.33
Mechanical Moving Mass
MMS
22.4 g
Mechanical Compliance
CMS
203 µm/N
Force Factor
BxL
13.29 Wb/m
Equivalent Acoustic Volume
VAS
13.1 lt.
Maximum Linear Displacement
XMAX
± 3.1 mm
Excursion Limit
XVAR
± 6.6 mm
Reference Efficiency
nO
1.45 %
Diaphragm Area
SD
213.8 cm2
Voice Coil Inductance @ 1kHz
LE
0.71 mH
Constructive Characteristics for 8Ω
Magnet
Ferrite
Voice Coil Winding
Copper
Voice Coil Former
Kapton
Cone Material
Paper
Surround Material
Treated Cloth
Dust Dome Material
Solid Paper
Basket Material
Pressed Sheet Steel
Surround Treatment
No
Electrical Characteristics for 8Ω
Nominal Impedance
8 Ω
Rated Power
150 W
Musical Power
300 W
Sensitivity@1W,1m
95 dB
Punch BP 8/150
BP8150
8",
150 watts
Ohms:
Punch Sound speakers offer great dynamics and super-fast response, giving the player an extremely solid bass sound. Equipped with ferrite magnets and steel baskets, they are ideal for classic styles where a clean, tight and bright sound is required.
The 8'' bass speaker provides a tight bass tone with crisp mids. The tone is very clear overall.
Lows
Tight
Mids
Firm
Highs
Bright
Bassist Description
Hard driving with a lot of top end clarity.
Sound Samples
Want a more in-depth demonstration of our speakers? Try our Jensen speaker demonstration.
Having trouble playing our sound samples? Access the files directly.
Specification Sheet
Product Dimensions
Note: all measurements in mm.
Frequency Response Charts
Hover over the graph to see values. View full size graph
