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The radio designer "Start-2103" (LF Amplifier) "u200b"u200bhas been producing Novgorod software Elkon since 1981.
A set of blocks, parts and assemblies is designed to build a powerful stereo bass amplifier.
Blocks are installed in the unified cases of the radio constructor or in any other designs at the request of the amateur radio operator.
The amplifier from the set provides for operation from radio receivers, a piezoelectric pickup, a tape recorder, a TV, and in monophonic playback mode, it can also be used as an amplifier for the bass pop band.
As speaker systems, you can use the factory, with a resistance of 4 Ohms or available at the disposal of a ham radio.
Specifications: rated output power at a THD of 0.5% at a load of 8 ohms - 20 W;
maximum output power at THD 5% - 30 W;
range of amplified frequencies 15 ... 50.000 Hz;
current consumption without a signal of 50 mA, with a maximum power of 1 A;
the limits of volume control are 60 dB, stereo balance 10 dB, tones 16 dB for bass and ± 15 dB treble.
The dimensions of the bass amplifier board are 120x60x35 mm.
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