ASR Audiosystems Friedrich Schaefer, D-35727 Herborn, Germany
High End Integrated Amplifier ASR Emitter Page 7
checked before the ASR Emitter is initially switched to the „On“-postion
- if a technical defect occurs, the speaker output can not be turned off; in case of trouble,
the protection circuitry shuts down the speaker outputs
- in case of overmodulation the ASR Emitter with direct output will be immediately and
completely turned off to protect your speakers; to listen to music again, the left control
knob on the ASR Emitter has to be set to the „0“-(Off)-postion and then to the „1“-(On)-
position
The speakers connected to the ASR Emitter should have an impedance that is no lower
than 1,5 ohms (20Hz to 20kHz). If the ASR Emitter is equipped with a relais-switched
speaker output (named „A“) and/or with a second pair of speaker outputs, an impedance
check will be automatically made, before the unit switches from „0“ to the „On“ position.
The impedance check will not let the ASR Emitter switch to the „On“-position, when the
measured value is under 1,5 ohms.
The speaker outputs are located on the back panel of the ASR Emitter below the RCA
input sockets. Please connect the „minus“ (black on most speakercables) of the right
speakercables to the „minus“ (black) terminal on your speaker, than the other end of the
cable to the right black terminal on the ASR Emitter, and the „plus“ (red) of the right
speakercables to the „plus“ (red) terminals of your speakers, than the other end of the
cable to the right red terminal on the ASR Emitter - same for the left channel.
Do not reverse „minus“ (black) and „plus“ (red) – neither on the ASR Emiter nor on your
speakers.
If the ASR Emitter is equipped with one speaker output, the output relais for A and B are
switched together to improve the output resistance. The display on the frontpanel of the
ASR Emitter shows „A+B“.
2.1.6 Connecting the separate power supply/supplies
to the ASR Emitter
Every ASR Emitter is equipped with external power supplies. The ASR Emitter I has one
external power upply, the ASR Emitter II has two external power supplies. Due to the very
high power capability of the ASR Emitters, the power supplies MUST be connected
directy. to wall AC outlets.
Connecting the power supplies to the ASR Emitter is quite simple, please pay attention to
the following order:
a) turn off the ASR Emitter (left control knob to „0“-position) and disconnect the
powercords from the AC outlet, disconnect the powercord(s) from the AC input of
the power supply/supplies
b) carefully connect the heavy silver cable (with grey plug featuring 30 contacts)
hanging out of the backpanel of the ASR Emitter I´s main unit to the socket on the
backpanel of the external power supply. The ASR Emitter II features two cables
hanging out of the backpanel. Please connect the two cables (with 30 contacts) to
each of the two power supplies; both power supplies are identical.
c) connect the powercords to the AC input of the power supply/supplies
d) connect
the powercords to the AC outlet
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