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-Radio-constructors "Tonar-1", "Tonar-2", "Tonar-3" were produced since 1984.
Of all three radio constructors, you can independently assemble a high-quality audio frequency amplifier for your home radio complex.
The set `` Tonar-1 '' allows you to make a power amplifier from a set of parts and components.
From the set of `` Tonar-2 '' you can assemble a pre-amplifier with a timbral block.
From the set of `` Tonar-3 '' power supply with a housing for accommodating all parts of the amplifier.
The main technical characteristics of the Tonar-1 radio designer: rated output power at a load with a resistance of 4 Ohms - 10 W;
nominal frequency range, with frequency response unevenness not more than ± 1.5 dB - 20 ... 30,000 Hz;
harmonic coefficient no more than 2%;
rated input voltage 0.25 V;
the maximum current consumption at a supply voltage of ± 18 V is 1.5 A. The Tonar-2 radio constructor: nominal frequency range 30 ... 20,000 Hz;
rated input voltage of 40 and 250 mV;
rated output voltage 0.25 V;
timbre adjustment limits ± 8 dB;
harmonic coefficient 0.5%;
current consumption 50 mA.
Bipolar power supply and housing `` Tonar-3 '' (described in accessories).
The PSU provides unstabilized output voltages of 18 and -18 V, which are necessary to power a power amplifier and a pre-amplifier with a timbral block.
Dimensions of the metal case set 300x260x130 mm.
In the case, in addition to the power supply, it is possible to install on the chassis 2 power amplifiers and 2 preliminary amplifiers with tone blocks, that is, a full set of nodes of a full stereo amplifier.