Octave v70se, Руководство пользователя

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8. THE PROGRAMMABLE REMOTE CONTROL
Select the V 70 SE by pressing the AUX button once. You can now adjust the volume by
repeatedly pressing the VOL + and VOL - buttons. You will find more detailed information on
programming the remote control in the separate operating instructions.
9. PHONO (MC / MM) OPTION
A MM or MC Phono board is available as an option for the V 70 SE. This additional board is
connected internally to the phono input. When the board is installed, this input can no longer be
used as a line level input. The phono preamplifier incorporates active RIAA equalization with an
active, 2
nd
order subsonic filter. The phono preamplifier uses semiconductor technology throughout.
The subsonic filter suppresses undesirable low frequency signals in the sub-audio range caused by
warped disks and pickup/tone arm resonances. The inverting active equalization guarantees
absolutely natural tonality of the phono preamplifier. Traditional equalization topologies lacking
effective subsonic filtering and carrying out the equalization within the negative feedback loop can
never achieve better than average sound quality, particularly as subsonic interference will cause
substandard reproduction of the lower registers.
Two phono boards are available, one for MC and one for MM. Installation is straightforward and
can be carried out by your authorized retailer or a specialist workshop.
The MC board is recommended without reservation for use with virtually all MC systems and has
been optimized for both low and medium output systems. The MM board has a standard input
impedance and is thus suitable for all high output MC and MM systems.
Specification:
Input impedance:
MC 150 ohm, MM 47k ohm
Signal-to-noise ratio MC 73 dB, MM 85 dB
Input sensitivity MC 0.5 mV, MM 4 mV
Subsonic filter -12 dB/octave, 20 Hz cut off frequency
Buttons for the system components.
OCTAVE is under AUX
Volume up
Volume down