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1. GETTING STARTED
The topology of the volume control
The topology of the volume control used in the RD-101 is very
different compared to the "standard". The RD-101 uses a series of
fixed resistor networks to control the volume. Relays are used to
switch between the resistor networks. Across all volume steps, a
fixed resistor is in series with the signal path. This gives the best
performance possible. When you change volume, a different
number of shunt resistors are used.
10 | RD-101 Owner's manual
To prevent pop in the output, we have chosen to first add the new
shunt resistors, and then wait a short time, before removing the
unused shunt resistors at the new volume step. This will give a minor
fall in volume before settling at the new volume step. It takes very
little time to get used to this type of operation of the volume, and
it will give you superior sound quality over the traditional digital
and analogue potentiometers.
Turning the RD-101 on and off
Always turn on the products beginning from the source:
Source
pre-amplifier
power amplifier
Always turn off your products in reverse order:
Power amplifier
pre-amplifier
Source
2. CONNECTING
Not following this procedure, may cause damage to any
of your products/speakers. Damage caused by not following
this procedure will invalidate the warranty.
RD-101 Owner's manual | 11
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