4″ SB12NRX25-4 / Norex

฿5,000.00

Features
Proprietary cone material with natural fibres made in-house
High damping Butyl rubber surround for non-resonant sound character
Vented pole piece for reduced compression
Vented cast aluminium chassis for optimum strength and low compression
CCAW voice coil for reduced moving mass
Long life silver lead wires
Non-conducting fibre glass coil former for minimum damping

Category: ทั้งหมด

Description

Description

Specs

Nominal Impedance 4 Ω
DC resistance, Re 3.1 Ω
Voice coil inductance, Le 0.14 mH
Effective piston area, Sd 50 cm2
Voice coil diameter 25.4 mm
Voice coil height 15 mm
Air gap height 5 mm
Linear coil travel (p-p) 10 mm
Magnetic flux density 0.84 T
Magnet weight 0.32 kg
Net weight 0.76 kg
Free air resonance, Fs 55 Hz
Sensitivity (2.83 V / 1 m) 87.5 dB
Mechanical Q-factor, Qms 3.2
Electrical Q-factor, Qes 0.46
Total Q-factor, Qts 0.40
Moving mass incl. air, Mms 5.6 g
Force factor, Bl 3.6 Tm
Equivalent volume, VAS 5.6 liters
Compliance, Cms 1.57 mm/N
Mechanical loss, Rms 0.6 kg/s
Rated power handling* 30 W

April 5, 2024 / admin