WHD AMP 1200 User manual

Manual AMP 1200
Valid for 111-124-04-001-00
Version (modifications reseverd)
23.03.2022
Seite 1 of 17
1. Welcome
Thank you for buying this quality WHD roduct. Please read this manual carefully, es ecially the safety
and security information.
Please check that you have the correct manual for your roduct. To do this, lease com are the roduct
code number shown above with the roduct code number dis layed on your roduct.
AMP 1200
Am lifier for 1 s eaker zone (4-8 ohms/70V/100V)
2. Inventory Chec list
- AMP 1200
- 19 "bracket
- Device feet ( remounted)
- Power cable
- O eration manual
3. Safety & Security
General Information
In addition to this guidance lease adhere to your own country-s ecific safety & security regulations.
3.1.
How to use this guide:
Read these instructions carefully before use and use this roduct only in accordance with the instructions
listed here.
3.2. Signs & symbols used
This sign warns of danger of injury and ro erty damage.
This sign warns of injury from electricity.
This sign warns of injury and/or ex losion.
This symbol refers to additional information.
3.3. Signal words and their meaning
Danger: Potential severe hysical damage and acute danger.
Warning: Potential electrical shock hysical damage and severe ro erty damage.
Caution: Potential fire hazard hysical damage or ro erty damage as a result of.
Attention: Advisory notes only.

Manual AMP 1200
Valid for 111-124-04-001-00
Version (modifications reseverd)
23.03.2022
Seite 2 of 17
Warning
The 230V line must be connected only by a rofessional electrician.
The Electrical su ly must be disconnected before working on the device.
Improper handling may void warranty.
4. Product Scope
Am lifier for 1 s eaker zone (4-8 ohms/70V/100V)
5. Intended use
:
Indoors
6. Improper use
The device is not suitable for outdoor o eration. The ambient tem erature should not exceed 30 ° C.
7.
Specifications
AMP
1
200
Power Su ly
100
-
2
4
0 V AC, 50
/60
Hz
Out ut Power
1
x 2
4
0
Watt
rms
Protection Thermal, over-current, over-voltage, short
circuit rotection
Dimensions (H/W/D) 44 x 215 x 245 mm
Weight
1.6
kg
O erating Tem erature
5 … 30 °C
Input
:
Sensitivity MIC: 3.16mV(-40dBV)
LINE: 316mV(
-
10 dBV)
Im edan
ce
22 kOhm
Ty e Line 1: 2 x RCA
Line 2: 2 x Phoenix, 3Pin
MIC: 2 x XLR
Output
:
S eaker
1
x Phoenix, 2Pin
Audio Performance:
Ty e
Class D
Frequency Res onse
20

20kHz ± 1dB
THD+N
> 1% @ 1 kHz, Rated Power
S/N Ratio
≥ 90 dB (A
-
weighted)

Manual AMP 1200
Valid for 111-124-04-001-00
Version (modifications reseverd)
23.03.2022
Seite 3 of 17
Netw
o
r :
IP User Interface Web-GUI, 10/100 mb s Ethernet
DSP Spe
c
ifi
c
ation
s
:
DSPs
28
-
/56
-
Bit, 50 MIPS
Crossovers 12 dB/oct …36 dB/oct
Equalizer 8-Band IIR er channel
Peaking,
b
ass,
treble
, LFP, HFP, Notch
Limiters
Peak Limiter
Matrix
Line 1/Line 2
Presets
20
reset
bank
s
8.
Prepa
ratory wor before installation
Check if all cables (e.g. 230 V AC, antenna and the RCA cable for AUX) are installed in accordance with
installation guidelines, and your desired ort scenario.
Note:
For the installation / configuration via the web interface (web GUI) you need a corres onding end device
(PC / la to / ... etc.) and an Ethernet crossover cable.
9.
Installation and assembly
The device is suitable for 19 “installation (1 U). To do this, mount the enclosed bracket.
Note on 19 "installation:
Leave at least 2 U free above the device to revent overheating.
With the remounted device feet, you can use the AMP 1200 as a standing device.
Notes on temperature development:
Like any am lifier, the device can reach high o erating tem eratures, es ecially under load. Make sure
there is sufficient heat dissi ation. Therefore, mount the device mainly in the technical room or a suitable
distribution cabinet (ventilation / air conditioning) and not directly in furniture.
9.1. Connection of external audio sources
You can connect 1 stereo sources into the device. Use either the Phoenix terminals (ensure correct
olarity!) or the RCA connectors on the back of the device. You can also connect a micro hone to "MIC
1 Priority" for aging and also another micro hone to MIC 2 for mixing.
Note on setting the sensitivity of the input sources:
For the in ut sensitivity you can choose between -10 dBV and –4 dBV (switch).
For devices with a low out ut level (e.g. smart hones), lease set the switch to -10 dBV. This am lifies the
in ut signal.

Manual AMP 1200
Valid for 111-124-04-001-00
Version (modifications reseverd)
23.03.2022
Seite 4 of 17
9.2. Connection of the spea ers
When connecting the s eakers, you can choose whether you want to o erate it as a low resistance version
(4 ohms) or in 100V ELA technology (s eakers with transformer / longer transmission aths).
Note:
Pay attention to the correct olarity when connecting the s eakers!
When connecting the spea ers, ma e sure that the dimensions are correct.
With 100V technology, the total ower of the s eakers must not exceed 240 W!
With low-resistance connections, the total im edance of the louds eakers must not be less than 4 ohms!
10.
Operation
10.1.
Connections
Connect the 230V cable (2) to the device and switch on the am lifier (3).
(1) (3)
(3)
10.1.1. Configuration without a networ (direct access)
For configuration, lug an Ethernet crossover cable into your PC / la to , ... (1) and o en your web
browser.
Enter the following default IP address in the start bar of the browser: 192.168.14.1
Default password:
Username: admin
Password: admin
This o ens the configuration interface.

Manual AMP 1200
Valid for 111-124-04-001-00
Version (modifications reseverd)
23.03.2022
Seite 5 of 17
10.1.
2
. Configuration in the networ
The AMP 1200 is delivered with DHCP. I.e. an IP address is automatically assigned to the device as soon
as it is recognized in the network.
If you access the am lifier via a network, you can enter http://AMP1200/ in the start bar.
Example: http://AMP1200/
_______________
Default password:
Username: admin
Password: admin
This o ens the configuration interface.
My login details:
User name: _______________________
Password: _______________________
IP address: _______________________
10.1.2. RESET to factory settings
Press the "LINE SELECT" button for more than 15 seconds.
This returns the device to the factory settings.
Note:
A RESET (reset to factory settings) deletes all settings and all saved presets.

Manual AMP 1200
Valid for 111-124-04-001-00
Version (modifications reseverd)
23.03.2022
Seite 6 of 17
10.2.
C
onfiguration
10.2.1. Home Menu
The tabs above the configuration area show the sub-items mixer, delay, crossover, DSP, equalizer and
storage.
Further to the right you will find the other basic settings of the device, the current heat load as well as the
device name, the IP address of the device and the current software version.
Mixer
Controls in this age consists of:
1. In ut source selection (Line1/Line2).
2. Out ut Volume adjustment.
3. Bass/Treble adjustment.
4. Front Panel Lock setting.
Front anel (Locked)– Volume, Bass and Treble on the front anel are not adjustable.
Front anel (Unlocked)– Volume, Bass and Treble on the front anel are adjustable.
The bars on the right will show the current level in green while music is laying.

Manual AMP 1200
Valid for 111-124-04-001-00
Version (modifications reseverd)
23.03.2022
Seite 7 of 17
Delay
:
Using the gra hic controls can control delay between 0 to 10ms.
Crossover:
High- ass/Low- ass filter control can be carried out for out ut.

Manual AMP 1200
Valid for 111-124-04-001-00
Version (modifications reseverd)
23.03.2022
Seite 8 of 17
HPF: High
-
Pass
-
filter:
Frequencies above the s ecified value are let through, lower frequencies are filtered out.
LPF: Low-Pass-filter:
Frequencies lower than s ecified value are let through, above frequencies are filtered out.
Slope:
Three ty es of slo e can be changed in -12 dB/Octave, -24 dB/Octave and -36 dB/Octave.
Equalizer Configuration:
Eight arametric equalizer bands are available for out ut and configure the desired settings.
Freq:
Set the center frequency for a filter for channel 3 for frequency bands.
Gain:
Then set the gain / attenuation factor (-3 dB is half the out ut signal).
Q factor (quality, between 0.4 to 14):
If you select a Q factor of "0.4", a wider frequency range will be rocessed than with a factor of "4". If
only a certain frequency range is to be rocessed as s ecifically as ossible, i.e. narrow-band, lease select
a high Q value.

Manual AMP 1200
Valid for 111-124-04-001-00
Version (modifications reseverd)
23.03.2022
Seite 9 of 17
Pea filter:
Select the filter ty e you want. The choices are: Peak, Bass, Treble, Notch, LPF, HPF. Activate / deactivate
the desired filter via the checkbox.
Limiter:
Power setting of the am lifier out ut.
0 dB: maximum ower / -3 dB: half ower
Preset Management:
You can save u to 20 resets on the device and reactivate them.
The resets can also be saved and read back on the PC / la to , ... of the service technician.

Manual AMP 1200
Valid for 111-124-04-001-00
Version (modifications reseverd)
23.03.2022
Seite 10 of 17
Note:
A RESET (reset to factory settings) deletes all settings and all saved presets.
10.2.2. Output Configuration
The setting here shows the hardware selected switch at the rear anel.