The preamplifier PREAMP-1UP is connected to the power amplifier AMP-1UP. The cabling can be realised via the main lead, i.e. the signals can be fed through from one unit to the other.
A max. of 20 power amplifiers AMP-1UP can be connected to one preamplifier PREAMP-1UP. The speakers must be connected to the power amplifier AMP-1UP. Two 8 Ω speakers or one 4 Ω speaker can be operated with one power amplifier.
- Designed for transmitting announcements and music conveniently to different rooms
- Individual volume control and switching-off possible in each room
- Compatible with many standard switches
- Suitable for standard 63 mm flush-mounted wall sockets
- For connection of up to 20 power amplifiers AMP-1UP
- Fitted metal base plate
- Connections and level controls for line input and microphone input
Therefore, the amplifier should always be built-in near the hi-fi system. At greater distances between the sound source or hi-fi system and the preamplifer, it is recommended to use a screened cable for the audio signal. It has to be supplied with DC 24 V.
The preamplifier PREAMP-1UP must be connected to the power amplifier AMP-1UP. The cabling can be realised via the main lead, ie. the signals can be fed through from one device to the other. A maximum of 20 power amplifiers AMP-1UP can be connected to one preamplifier PREAMP-1UP. Please refer to the basic wiring diagram for the recommendation of cabling. The speakers must be connected to the power amplifier AMP-1UP. Two 8 Ω or one 4 Ω speaker can be operated with one power amplifier. If several speakers are to be connected to one power amplifier AMP-1UP, the signals have to be passed on at each speaker, because the max. cross section for connection of the terminals of the AMP-1UP is 1.0 mm2. A junction box can also be placed. The power amplifiers AMP-1UP must also be supplied with DC 24 V. The cabling must be arranged radially or a junction box must be placed.
The max. cross section for connection of the terminals of the AMP-1UP is 1.5 mm2. Thus, it is only possible to connect one cable at a time.
Technical specifications PREAMP-1UP
|Line input||400 mV (line) |
4 mV (mic)
|Input control voltage||&dircurrent;0-10 V|
|Line output||5 V max./50 Ω|
|Output control voltage||-|
|Frequency range||20-20,000 Hz (line) |
40-15,000 Hz (mic)
|Power supply||DC 22-26 V/0.025 A|
|Admiss. ambient temp.||0-40 °C|
|Connections||7-pole terminal strip, |
1 x RCA L/R (line)
1 x 6.3 mm jack (mic)
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