3B Scientific Wide-Band Loudspeaker User Manual
3b scientific® physics
3B SCIENTIFIC® PHYSICS
1
Wide-Band Loudspeaker U8432770
Instruction sheet
02/09 ALF
1. Safety instructions
The wide-band loudspeaker can generate extremely
high volumes of sound. Please note that high sound
pressures may cause temporary or even permanent
hearing damage.
•
Be careful to select a suitable volume.
2. Description
The wide-band loudspeaker serves as a sound source
for acoustics experiments in the frequency range
from 60 Hz to 23 kHz.
The instrument is a two-channel loudspeaker with a
5½“ woofer and a ½“ tweeter. It has an exceptionally
broad uniform-power frequency range from 60 Hz to
23 kHz.
The loudspeaker incorporates an overload protection
circuit with automatic reset function to protect the
tweeter.
3. Technical data
Frequency range:
60 Hz to 23 kHz (-10 dB)
Power capacity:
100 W (as per IEC 268-5)
Impedance: 4
Ω
Tweeter:
½" diam.
Woofer:
5 ½" diam.
Crossover frequency:
5000 Hz
Connection:
4 mm safety jacks
Dimensions:
225 x 150 x 142 mm³
Weight:
1.8 kg approx.
4. Additionally recommended equipment
1 Sine wave generator
U8533550
1 Transformer (230 V, 50/60 Hz)
U8475430-230
or
1 Transformer (115 V, 50/60 Hz)
U8475430-115