Sutherland 20/20 - Manual (Page 5)

Beautiful On the Inside
FR-4 fi berglass circuit boards, Double-sided with plated thru holes
Dale/Vishay 1% metal fi lm resistors
Wima Polypropylene capacitors for power supply by passing
Custom wound, 1% polystyrene fi lm capacitors for equalization
14 gauge cold rolled steel chassis
baked epoxy powder coat fi nish
1/2 “ thick anodized aluminum panel
front panel artwork anodized in
gold plated, Tefl on insulated RCA connectors
gold plated confi guration headers and sockets
output muted during power up and power down
DESIGN PHILOSOPHY
DC CONNECTOR LOCATION
Don’t be looking for power connections on the back panel. Instead, you will fi nd them located at the
front and under the cover. That is one of those form follows function decisions. The front of the circuit
board IS where the power enters the circuit, there fore that is where the connector went. On your car,
the gas cap is very near the gas tank. It is not located at the opposite end of the car.
Putting the entry point at the front permits power supply wires (low voltage DC) to be routed well away
from all the sensitive part of the circuit. Contrast that with the AC IEC power connector (high voltage
AC) conventionally located on the back panel very near the preamp circuitry and all the input/output
jacks.