Sound from the Socket. Description of features:. A microphone with a 6.3 mm plug and a sound source, e.g. CD player, tuner, etc. with RCA plugs can be connected to the preamplifier PREAMP-1UP and be adjusted separately via the two front controls. 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. Flush-mounted preamplifier. Description of features:. A microphone with a 6.3 mm plug and a sound source, e.g. CD player and tuner with RCA plugs, can be connected to the preamplifier PREAMP-1UP and adjusted separately via the two front controls. The level control of the microphone also serves as the ON/OFF switch of the preamplifier. If several sound sources are to be reproduced optionally in every room, the hi-fi system has to be connected to the "line" input of the PREAMP-1UP via the "tape out" output of the hi-fi amplifier. Thus, the reproduced sound source in the adjoining rooms is always identical to the one selected at the hi-fi system in the living room. 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 24 V DC current. 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 unit 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 24 V DC current. 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. - 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
| Impedance | - | | 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 | - | | Channels | - | | Attenuation | - | | Attenuation direction | - | | Turning angle | - | | Frequency range | 20-20,000 Hz (line) 40-15,000 Hz (mic) | | THD | - | | S/N ratio | - | | Power rating | - | | Power supply | DC 22-26 V/0.025 A | | Admiss. ambient temp. | 0-40 °C | | Dimensions | - | | Weight | - | | Connections | 7-pole terminal strip, removable 1 x RCA L/R (line) 1 x 6.3 mm jack (mic) |
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