Troubleshooting; Technical Data - HEDD 07 Handbuch

Troubleshooting

problem Solution
"ON" LED lights Check the wiring and make sure that all cables are working and connected correctly.
green but no audio
output Check if you have selected the correct input via the SOURCE switch on the back panel of the
speaker.
Connect an audio source directly to the speaker. If you do hear audio now, the malfunction is in
your signal path.
If the back panel of the speaker is very hot, it may be that the internal thermal protection of the
amplifiers has shut down the audio output to prevent electrical damage. Turn the unit off, let it
cool down and repower.
Hum, buzz and noise Disconnect all signal cables. If the noise is gone, check your audio cables and the equipment in
your signal path.
Check if you have any electrical devices that potentially produce high amounts of RFI (cellpho-
nes, switching power supplies, radio equipment) sitting next to your speakers.
Try to connect the speakers to a different power socket.
"OL" LED lights up Reduce the input audio level either on the source or with the help of the GAIN control.
constantly
"SYNC" LED lights Check if you have selected the HEDD BRIDGE input via the SOURCE switch on the back panel
up but no audio of the speaker.
Check if you have routed the audio source correctly to the HEDD BRIDGE output of your
HEDD Bridge extension card.
Speakers vary in Use the GAIN control to compensate for any level differences.
volume
All our products comply with RoHS and WEEE.
This product has a 2-year-warranty. Contact us or visit our
website for warranty information.
hedd.audio

Technical Data

Drivers
Woofer
Basket Ø
Voice coil Ø
Cone material
Tweeter
Type
Equiv. Diaphragm Ø
Input connectors
Analog balanced/ unbalanced
Digital/HEDD Bridge Options
General data
Amplification (ICEpower®)
Sensitivity
Input gain
Maximum input level (balanced / unbalanced)
High Shelf EQ > 2kHz
Low Shelf EQ < 200Hz
Frequency response
Frequency response ± 1.5dB
THD 90dB/1m > 100Hz
Max SPL sine wave 100Hz - 3kH /1m
Max SPL peak per pair at 1m
Crossover frequency
Input impedance (balanced / unbalanced)
Weight
Height x Width x Depth
Warranty
The information and data contained in this manual is sub-
ject to change without prior notice.
1
7.2" (182mm)
1.5" (38mm)
UHC cone (Ultra Honeycomb Composite)
1
HEDD AMT (HEDD Air Motion Transformer)
2.2" (56mm)
XLR / RCA
AES67 Ravenna, Dante, AES3/EBU
2 x 100W
440mVrms (-4,9dBu) / 90dB SPL / 1m at 0dB GAIN
-30dB ... +6dB
6Vrms (+17.8dBu, +17.6dBV) / 4.5Vrms (+15.3dBu,
+13.0dBV)
±4dB at 20kHz
±4dB at 50Hz
38Hz–50kHz
45Hz - 20kHz
≤0.5 %
≥107dB
≥116dB
2.3kHz
10kΩ / 47kΩ
10kg (22lbs)
370mm x 220mm x 300mm
2 years
Heinz Elec
EN