WHD - Wilhelm Huber+Söhne GmbH+Co.KG
Bismarckstr. 19
D-78652 Deißlingen
Tel. Ze49 74 20 / 8 89-0
Fax Ze49 74 20 / 8 89-51
E-Mail:
Web:
www.whd.de
This product supports all CE-
marking criteria. The declaration of
conformity certificate can be ob-
tained from WHD
.
WHD are members of the INTERSEROH association.
We participate in the dual system as well as other
industry-specific solutions. Therefore, plastic, metal
and electronic parts can all be recycled.
Version
(Technical and optical
modifications reserved)
22.02.2018
Mounting
Operation
Thank you for buying our 2way hifi-speaker.
Please read this manual carefully, especially the safety and security information.
Safety & Security Informations
Improper handling may void warranty.
In addition to this guidance please comply with your own country-specific safety & security
regulations.
Intended Use:
Indoors
Operating temperature:
-20 ... + 60 °C
! The device is not suitable for outdoor operation.
Note:
- Make sure that the resulting impedance and the power of the connected speakers are
properly sized to the output of the amplifier safe.
- Ensure correct polarity.
- Before the removal of the speaker, switch OFF the amplifier.
Troubleshooting
No sound
- Check the connections of the
speakers (if cable is loose)
- Check wiring of speakers (if cable is
bent)
- Check that amplifier or audio
source is turned on and set to an
appropriate volume.
Humming
Make sure that the input of the am-
plifier is connected.
Otherwise, there is a mass problem
by grounding/shielding of audio
source/amplifier.
!
Make sure that your 230V wiring
complies with the EMC directives.
Noise (clicking)
Make sure that only shielded cables
are used.
Check the wiring to eliminate cable
crossings or cabling parallel with
230V cable (induction problems).
Vibration noise
Check the location of the speaker.
Connecting the speaker
The speaker can be operated in low-impedance (8 ohms) or 100V (25W) version.
Conntect the speaker according to the adjacent table.
Specifications
QB 300-8
QB 300-T25
Rated / Music power
30 / 60 W
25 W
Impedance (without transf.)
8 ohms
-
SPL 1W/1m
83 dB
83 dB
Frequency Range (-3 dB)
60-28000 Hz
60-28000 Hz
Transmission Angle
1/2/4/8 kHz (-6 dB)
180/120/130/130 ° 180/120/130/130 °
Dimensions (H/W/D)
170x170x170 mm
170x170x170 mm
Weight
1,8 kg
2,5 kg
Material
Aluminium housing,
fabric panel
Aluminium housing,
fabric panel
!
Press connector for cable cross-sections of 0.5 - 2.5 mm²
Stand-alone Version:
Attach the included rubber feet and place the speaker on at the desired location.
Wall bracket with ball joint WH QB300:
1. Screw the wall bracket to the wall.
2. Place the loudspeaker with the counterpart.
3. Aalign it in the desired position and secure it with the
retaining screw.
Version
Color
8 ohms
-T25
red
8 ohms
25 W / 100V
black
0
COM / 0
Connections
Note:
Product registration and extended warranty at:
www.whd.de/Produktregistrierung
Manual
Applicable for: QB 300
Product-No.:
103-501-03-001-00 (-8, white
103-501-04-001-00 (-8, black)
103-501-03-025-00 (-T25, white)
103-501-04-025-00 (-T25, black)
