Punch BP 15/250
General Characteristics for 8Ω
Nominal Overall Diameter
385 mm
15 in
Nominal Voice Coil Diameter
65 mm
3 in
Magnet Weight
1450 g
51 oz
Overall Weight
5.4 kg
11.9 lbs
Flux Density
1.15 T
Voice Coil Winding Depth
13 mm
0.51 in
Magnetic Gap Depth
8 mm
0.31 in
Thiele-Small Parameters for 8Ω
Voice Coil DC Resistance
RE
6.6 Ω
Resonance Frequency
ƒS
47 Hz
Mechanical Q Factor
QMS
4.26
Electrical Q Factor
QES
0.58
Total Q Factor
QTS
0.51
Mechanical Moving Mass
MMS
69.7 g
Mechanical Compliance
CMS
164 µm/N
Force Factor
BxL
15.31 Wb/m
Equivalent Acoustic Volume
VAS
133.1 lt.
Maximum Linear Displacement
XMAX
± 3.4 mm
Excursion Limit
XVAR
± 7 mm
Reference Efficiency
nO
2.3 %
Diaphragm Area
SD
754.8 cm2
Voice Coil Inductance @ 1kHz
LE
1.07 mH
Constructive Characteristics for 8Ω
Magnet
Ferrite
Voice Coil Winding
Copper
Voice Coil Former
Aluminum
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
250 W
Musical Power
500 W
96.7 dB
BP15250
15",
250 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 15'' bass speaker provides a full and warm low-end that will fill the room.
Lows
Fat
Mids
Firm
Highs
Bright
Bassist Description
Boomy with a well-defined top end.
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
Frequency Response Charts
Hover over the graph to see values. View full size graph
