REAR PANEL: CONECTIVITY:
LEFT
CONECTIVITY
1: Pre-Amplifier Output (OUT 1 Y 2): The pre-amplification stage processes and controls two sets of unbalanced RCA
2: Line Level Inputs (CD, 1-3): RCA unbalanced inputs for line-level devices such as CD, Tuner, Tape, Pre-amplified
3: Line Level Signal Input (DIRECT INPUT): The volume control does not control this input. This input can receive the audio
4: Line Level Signal Output (DIRECT OUTPUT): This output is controlled by the preamp stage input selector, and
5: RS232 port: RS232 port for integration with automation systems or to connect web server module (Sold separately) for
equipment management and control. The integration codes are as follows:
RIGHT
LEFT
RIGHT
outputs.
The OUT 2 output can be used to connect a subwoofer, a second amplifier
or a second zone.
NOTE: Since the preamplifier is operated by tubes or valves, avoid
connecting equipment with a low impedance load, less than 100 KΩ.
Turntables, or an external Phonostage.
signal from another area or equipment with a surround processor and
integrate a high-performance audio system with an audio/video one.
bypasses the volume control. This output connectors can connect a
surround processor equipment and/or integrate a high-performance audio
system with an audio / video zone or component.
Selector: !1ENT01 !1ENT02 !1ENT03 !1ENT04
Direct input: !1ENT05
Mute: !1ENT06
Volume Control:
UP !1VOL99
Down ! 1VOL55
Power OFF !1PWR0
Power ON !1PWR1
Toggle !1POW2
STEREO TUBE PREAMPLIFIER
SF 220
Lethal Voltage Inside
RS 232
ENGLISH - 14