3B Scientific Wide-Band Loudspeaker - Manual (Page 3)

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