BP 15/250

Sound Features

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 full, tight and powerful sound is required.

Guitarist Description

Not recommended for guitar.

Bassist Description

Boomy with a well defined top end.

Description

Rated Power measured with 2 hours test with pink noise signal, 6dB crest factor, louspeaker mounted on enclosure
Power on Continuous Program is defined as 3 dB greater than the Rated Power
Sensitivity calculated by Thiele and Small parameters
Thiele and Small parameters measured with laser system without preconditioning test
Xmax measured with respect to a THD of 10% using a parameter-based method
Xvar value corresponding to a decay of the Force Factor, or Compliance, or both, equal to the 50% of the small signal value.
Due to continuing product improvement, the features and the design are subject to change without notice.

Additional information

Nominal Diameter	385 mm / 15 in
Nominal Impedance	8 Ω
Rated Power AES	250 W
Continuos Program Power	500 W
Sensitivity @ 1W/1m	96.7 dB
Voice Coil Diameter	65 mm (2.5")
Voice Coil Winding Depth	13 mm
Magnetic Gap Depth	8 mm
Flux Density	1.15 T
Magnet Weight	1450 g
Net Weight	5.4 Kg
Magnet Type	Ferrite
Basket Material	Pressed Sheet Steel
Voice Coil Winding Material	Copper
Voice Coil Former Material	Aluminium
Cone Material	Paper
Cone Treatment	No
Surround Material	Treated Cloth
Dust Dome Material	Solid Paper
Re	6.60 Ω
Qms	4.26
Qts	0.51
Cms	164 µm/N
Vas	133.1 l
X max	+/- 3.4 mm
N	2.30 %
Fs	47.0 Hz
Qes	0.57
Mms	69.7 g
Bxl	15.31 Tm
Sd	754.8 cm²
X var	+/- 7.0 mm
Le (1KHz)	1.07 mH

ZJ07820.pdf

Sound Features

Guitarist Description

Bassist Description

Description

Additional information

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