Tosh Gain And Output Level Considerations - M2TECH TOSH User Manual

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TOSH
BALANCED LINE PREAMPLIFIER
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REVISION P A – JUNE 2023
R

9. TOSH Gain and Output Level Considerations

The TOSH can supply a maximum output voltage of 9Vrms on the unbalanced output and
18Vrms on the balanced output. These values are more than sufficient to drive any power
amplifier, even in the presence of very long connection cables. The very low output
impedance of the TOSH means that the parasitic reactive components of the cable
(inductance and capacitance) do not significantly alter the frequency response of the
system.
The gain of the Tosh depends on which input and which output you are using.
The balanced output offers 6dB more gain than the unbalanced output.
On the other hand, given that when a single-ended input is used the signal passes through
a balancer circuit which also determines a gain of 6dB, it results that, with the same
voltage available at the input, a single-ended input will have 6dB of gain over a balanced
input. It is very common, however, for a balanced source to offer a higher signal level than
a single-ended source.
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