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The models 600/300 have log-linear input attenuators to complement its peak-reading meters.
The input attenuators are marked in 22 dB steps, stepped for very accuracy, IdB steps from OdB
to -20dB for convenience reference. DB calibrated input attenuators have numerous ad¬
vantages. In multi-channel systems (using of two or more seperate amplifier which have dif¬
ferent gain), they allow easy, accurate input sensitivity adjustments and let operators
simultaneously adjust the level of two channels (or two programs on separate amplifiers) with
precise tracking.
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