Perreaux SM6/P, Руководство пользователя

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Frequency Response .......................................... 10Hz to 60kHz, +0dB –0.15dB
This is the “standard” specification with which everyone is familiar. Actually,
“frequency response” is a misnomer: technically, it should be called “amplitude
response versus frequency” for it describes how uniform the amplitude or
strength of signals of various frequencies is maintained. It is generally thought
that a difference of 1dB is the least that can be perceived by ear, the SM6 is
specified almost seven times higher, thus exceeding the audible range of the
human ear.
Signal to Noise Ratio
(unweighted)
....................................................................100dB
The ratio of desired signal to noise signals present in the output. The balanced
circuit topology of the SM6 provides the foundation for high noise rejection.
This figure is referenced to the rated output of the SM6, taking into full account
all potentially annoying hum components.
Dynamic Range .................................................................................................116dB
Dynamic Range is the difference between the loudest and quietest portions of a
signal. Due to CD formats 96dB dynamic range limit, the SM6 provides more
than enough dynamic range to cope with any musical transients the CD format
can throw at it.
Input Impedance................................................................................................. 10k Ω
The resistance “load” that is presented to the component that is driving it. The
high value indicates that the preamplifier will not load down the output of most
high quality source components.
Input Sensitivity................................................................................................ 215mV
Indicates the amount of input voltage required to drive the unit to its rated
output. Due to the gain setup of the SM6, it is able to achieve its rated output
even from the lowest of input levels.
Input Overload.................................................................................................3.8V
RMS
Input Overload specifies the maximum signal level that each input circuit can
handle without overloading the preamplifier circuitry and sending it into
clipping.
Phase Accuracy.......................................................................±0.5 ˚ , 20Hz – 20kHz
Shows the maximum amount of phase difference at any point across the
frequency range 20Hz to 20kHz.