The SA200 is
a high performance stereo power amplifier that will satisfy the most demanding
listening tests and measurements.
Internally
the SA200 consists of two identical mono power amplifiers, each with its own
separate DC power supply fed from separate secondary windings of the massive
toroidal mains transformer. This design approach ensures the very best
isolation between the two stereo channels without the extra weight and expense
of using a second transformer.
Each
amplifier channel can deliver in excess of 100 watts continuous power into 8
Ω loads or 160 watts into 4 Ω loads with negligible distortion. The unit
will also drive well over 200 watts into 2 Ω .
Considerable care has been taken
to ensure that power output is maintained into low impedance and reactive
loads. The amplifier is thus extremely tolerant of different loudspeaker loads.
A bridging module is available to connect the two channels to produce over 320
watts into a single 8 Ω speaker.
The unit is
very well protected by quick acting electronic protection systems and fuses.
The fuses are placed inside the feedback loops to eliminate their effect on the
quality of the sound output. The sound quality is further maintained by the
direct hevy duty wiring between the boards and the output terminals. A novel
feature of the SA200 is the input-output comparator which detects any amplifier
distortion such as clipping. It then momentarily changes the colour of the
front panel indicator from green to red as a warning to the user.
The SA200 is
built to the highest standards with the minimum of internal wiring. The
electronics are housed inn a heavy duty steel tray which also forms the base of
the casing. The front panel is made from a custom aluminium extrusion and the
rear panel is a single massive casting
which also acts as the heat sink for the output stages. The steel top plate
slides into place and is therefore easily removed for quick access to the
electronics and the loudspeaker fuses.
The solid
wood and cheeks can be supplied in a larger size for stacking the SA200 with a
C200 control unit. A rack mouting kit for professional use is also available.
The SA200 is
ideally partnered by the C200 Control Unit although it is, of course, suitable
for use with any other high quality audio pre-amplifier to form the heart of a
system giving the very best performance.
Specifications
Inputs:
Sensitivity: 1,0 V (reference 100W/8 Ω at 1 kHz)
Input
Impedance: 20 k Ω
Noise
(unweighted or CCIR/ARMweighted reference 100W/8 Ω ): less than -100 dB
Gain to
Loudspeaker Terminals (29,0 dB at 1 kHz):
phase non-inverting
Outputs
Loudspeakers
: 4 - 16 Ω
Nominal
Output level: 100 watts into 8 Ω
Performance
Power Output
an Distortion
Both
Channels into 8 Ω : 100 W at 0,08% Total
Harmonic Distortion 20 Hz -20 kHz
Distortion
at any level
up to 100 W into 8 Ω , 1 kHz less 0,03% (typically 0,01%)
at any level
up to 160 W into 4 Ω , 1 kHz less than
0,05% (typically 0,02%)
Output Power
at 1 kHz at clipping (0,1% Total Harmonic Distortion ) with both channels
driven is typically 125 W per channel into 8 Ω
, 195 W per channel into 4 Ω
Frequency
Response:
10 Hz - 20
kHz +0, -0,5 dB (It is recommended that the pre-amplifier's high frequency
response be curtailed to at least -3 dB at 50 kHz
Power
Supply: 240 V AC, 48-63 Hz, 600 VA
maxcimum (the unit may be adjusted to work at 220 V or 120 V if required)
Dimensions
(W x H x D): 464 x 95 x 350 mm
(18-1/4" x 3-3/4" x 13-3/4")
