Punch BP 8/150

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
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.

Lows
Tight
Mids
Firm
Highs
Bright
Bassist Description
Hard driving with a lot of top end clarity.
Specification Sheet
Product Dimensions