Behringer POWERPLAY PRO-8 HA8000 [6/10] Using the direct in connector
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Behringer POWERPLAY PRO-8 HA8000 [6/10] Using the direct in connector

Behringer POWERPLAY PRO-8 HA8000 [6/10] Using the direct in connector
6 POWERPLAY PRO-8 HA8000/POWERPLAY PRO-XL HA4700 User Manual
(20) (21)
(22)
HA4700
HA8000
Fig. 2.4: MAIN IN and MAIN OUT connectors
(21) The MAIN IN connectors of the HA4700 come as balanced ¼" TRS and
XLRconnectors.
(22) The HA8000 features only ¼" TRS connectors for MAIN INPUT 1 and
MAININPUT2.
3. Application Guidelines
3.1 Using the MAIN IN connectors
Connect a program source with the MAIN IN connectors located on the rear, and
connect your headphones to an amp section of your choice. Set the MASTER LEVEL
and BALANCE controls (HA4700) in the center position. The MASTER LEVEL control is
used to lower or raise the volume level of all headphones which receive signals via
the MAIN IN inputs and/or the DIRECT IN input. In the case of the HA8000, MAIN IN
controls 1 and 2 regulate the input level of two separate input signals. The individual
OUTPUT LEVEL controls are used for adjusting the desired channel volume only.
3.2 AUX IN inputs (HA4700 only)
As a general rule, the AUX IN inputs are used to add an extra input signal to the main
signal, whereby the respective BALANCE control regulates the relative ratio of those
signals to one another.
This way, you can for example eortlessly record vocals and feed in an already existing
playback using your POWERPLAY PRO-XL HA4700. The playback signal is fed through
the MAIN IN inputs, and the preamplied vocal signal is fed into the AUX IN connector.
The respective BALANCE control should be set up in such a way that the singer gets a
perfectly matched mix between the playback and the vocals, whereby the OUTPUT
LEVEL control regulates the overall volume.
X1832USB
mixing console
MAIN
IN
MIC
IN
LINE
OUT
OUT
HEADPHONE OUT 1
Channel 1
AUX IN 1
Fig. 3.1: Playback application in a studio
In addition to the usage of all channels via the MAIN input, each of the four ampliers
can also be used fully independently. To this end, you may also use the AUX IN inputs
in conjunction with the BALANCE controls. When the BALANCE control is turned to
the left ("AUX" position), the MAIN signal is faded out, and the AUX IN signals are fed
into their respective ampliers. Using individual ampliers separately lets you provide
individual mixes to up to four musicians.
X1832USB
mixing console
OUT 1
1 2 3 4
OUT 2 OUT 3 OUT 4
Aux sends / subgroup outputs
AUX IN 1
AUX IN 2
AUX IN 3
AUX IN 4
Fig. 3.2: Monitor live application
3.3 Using the DIRECT IN connector
The DIRECT IN connector (HA4700) is located on the left side of the front section.
For example, you can use this connector to provide musicians with the signal of a
DAT recorder or CD player. The HA8000 has a separate DIRECT IN connector for each
amplier (located on the rear). In the case of the HA8000, allocating a signal to this
connector mutes the MAIN IN signal. The input level must be externally set in this
case. This way, you can use each amplier section for a separate headphone signal.
3.4 Mono mode
Stereo signals can often have an irritating eect in certain monitoring applications,
especially when performing live. These negative eects are particularly apparent
when both channels show great channel separation, i.e. a dierent information
content coupled with varying volume levels. The ST./2-CH. switch (HA8000: the
MONOswitch) allows coupling the left and the right channels into a single mono
signal, withouth needing a "Y"-adapter or a special cable.
3.5 MUTE function (HA4700 only)
When the ST./2-CH. switch is depressed, the unit is running mono. By depressing
either one of the MUTE switches, the respective input's signal (i.e. either the left or
the right input) is muted, while the signal not being muted can be heard on BOTH
(leftand right) headphone outputs. This allows you to feed two dierent program
sources yet be able to listen to only one of them on a per-need basis.
3.6 Connecting multiple headphones
The HA4700 features three headphones connectors altogether, while the HA8000 has
two. You can connect multiple headphones to an amp simultaneously, provided that
the minimal output load impedance of the amp does not fall below 8 Ohms. In the
case of the HA8000, the minimal output load impedance is 100 Ohms per amp.
◊ When connecting two headphones, individual headphones should
not have impedance lower than 16 Ohms; when connecting three
headphones, individual headphones should not have impedance lower
than 24 Ohms (HA4700). When connecting two headphones to the HA8000,
the impedance of individual headphones should not fall below 200 Ohms.
Even though going under the above mentioned minimal impedances does not
cause deective operation, you may experience a quality loss audible as lowered
performance and distortion.

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