![](/html/6c/6c22/6c2268d2a477ad8b03c326b559bf11e5be58fdd9eee0a781b4eed6207363cc14/bg2.png)
Page 2 of 11
Introduction
The Electro-Dan SS20202014 (SS Triple-20, 14) is a complete
Surround Sound Preamplifier, decoder and Power Amplifier all in
one box. A stereo input, mains input and a further 4 or 5 speakers is
all that is needed to complete a home cinema system.
Features:
• 20W per channel RMS* power to front left and right channels.
• 20W RMS* power to rear channel.
• 14W RMS* power to centre channel.
• Pre-amp with loudness filter and tone controls.
• Matrix surround sound decoder with centre channel output.
• Level controls for front, rear and centre channels.
• Power switches for rear and centre channel amplifiers.
• Headphone output and switch.
• Inputs for external decoders** (i.e. 5.1 Dolby® Surround Sound).
• Centre and Subwoofer pre-outs.
• Temperature Controlled cooling Fan
* RMS power refers to the true power of an amplifier, it is obtained by the RMS
voltage and RMS current at the output.
** The rear pre-in is only Mono (1 channel). A stereo input is provided, but the unit
will convert this to mono internally.
![](/html/6c/6c22/6c2268d2a477ad8b03c326b559bf11e5be58fdd9eee0a781b4eed6207363cc14/bg3.png)
Page 3 of 11
Operating the system
The SS20202014 has mains input and output sockets. These are in
the form of European style 3-pin connectors.
WARNING:
These connectors carry mains voltage of 230-250V AC and it will kill
you if care and consideration is not taken!
ATTENTION:
The units input must be properly Earthed (Grounded), failure to do
so may result in electric shock!
Wires used in the 3-pin connector:
Brown: Live
Blue: Neutral
Green/Yellow: Earth
This unit must also be fused with a 3 Amp (Red) fuse rated at 250V
AC.
Mains Outlet
There is a mains outlet socket. This can be used for switching an
external appliance. The appliance must have the appropriate plug
and must not have a current greater than 2 amps absolute
maximum (This is about 500 Watts). Remember that the appliance
will only be able to operate when the Surround Amplifier Unit is
switched ON. If in doubt, plug the appliance into a house mains
socket (or rated trailing socket).
Fuses
In the event of a failure, two fuses are used to protect the unit from
damage. Observe the ratings of these fuses. These should be
T0.4A (Time delay glass fuse rated at 250V AC) and F0.2A (Quickblow glass fuse rated at 250V AC).