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SIACD
Description
The SIACD integrated amplifier/DAC/CD Player
has been designed to partner ATC passive
loudspeaker systems and also other manufacturer’s
loudspeaker systems. It is designed as a simple yet
versatile one-box solution for D-A conversion, CD
playback, pre and power amplification duties.
It incorporates an internal CD player system, 2 x
stereo line level inputs on RCA phono sockets,
together with a front panel mounted 3.5mm Jack
socket input, 1 x digital SPDIF optical Toslink input,
1 x digital SPDIF coaxial input on an RCA phono
socket, and a USB digital audio input on a USB-B
socket. There is a single pair of stereo power amp
outputs on 4mm binding posts, a stereo line level
output on RCA phono sockets, and a front panel
mounted headphone output on a 6.35mm/0.25”
jack socket.
Amplifier mains power is connected and controlled
via a connector and push button on the rear panel.
Input selection is achieved via a front panel push
button, and output volume adjustment via a
precision potentiometer.
All SIACD functions are duplicated on the included
ATC SCA R2 remote control handset.
Inputs
The preamp/DAC stage features two line level stereo analogue inputs, and three
digital inputs. Both analogue inputs are equipped with rear panel mounted, RCA/
phono sockets and are labelled aux 1 and aux 2. The aux 2 input also features a front
panel mounted 3.5mm jack input for simple connection to portable music players.
The front panel mounted 3.5mm jack input is a switched type, and any connections
made to it will override connections made to the aux 2 rear RCA phono sockets.
The signal is present on the centre conductor of an unbalanced input and the signal
return is made via the screened outer. The tip of a 3.5mm jack plug carries the left
channel, the ring carries the right channel and the body is the signal return for both
left and right channels. If there is any hum present on the inputs, this must be traced
to the source and not suppressed by the removal of screens or earths. Removal of
the screen on an unbalanced input will result in uncontrollably loud hum.
All the analogue inputs are line level sensitivity and are electrically identical, meaning
that a line level signal from any source can be connected to any input.
The Digital USB and SPDIF inputs are mounted on the rear panel. Connection to
the Digital inputs can be either Coaxial via RCA phono plugs, Optical via Toslink
connectors or USB via a USB-B plug. Digital audio over USB is not as tolerant of
long cable lengths as other digital audio connections. Typically, 3m or 10 feet is the
longest cable length that is recommended.
The input sockets are illustrated in Diagram 4.
MAINS INPUT
50/60 Hz
POWER
CONSUMPTION
300VA MAX.
THERE ARE NO USER SERVICEABLE PARTS INSIDE
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
WARNING
THIS EQUIPMENT
MUST BE EARTHED
!
line output
digital inputs
coaxial
optical
usb
auxiliary inputs
left
right
left
right
left output
right output
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Acoustic Transducer Co. Is a trading name and
Is the registered Trade Mark of Loudspeaker Technology Ltd.
I
O
Designed and manufactured by
Acoustic Transducer Company
Gloucestershire Gl6 8HR
England
SIACD
Stereo CD
Amplifier
RETURN TO
MANUFACTURER
FOR DISPOSAL
serial no.
fuse:
115V : T10AH
230V : T5AH
fuse
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