VACUUM TUBE STEREO POWER AMPLIFIER MQ-88uC
5
4. Direct input terminals (DIRECT)
Connects to a control amplifier or a source component.
When connected to this input terminal, the signals do not
go through the volume circuit, thus rotating the volume con-
trol on the front panel will not change the volume.
5. Variable input terminals (VARIABLE)
Connects to a source component, e.g. a CD player without
output level control.
The sound volume can be adjusted by the volume control
of the front panel.
If using a control amplifier with high output impedance in
combination with this unit, use of the connection cable as
short as possible is recommended to avoid unnecessary
treble attenuation.
6. Input selector (VARIABLE/DIRECT)
Variable or direct input can be switched.
Select the name of the terminals connected to the device to
play back by operating this switch.
When switching the input, be sure to turn off the power.
If the power is on while switching, large noise might be
generated.
7. Speaker terminals (SPEAKERS)
These terminals are output terminals to connect a speaker
system.
The right speaker terminals shall be connected to the R
side, and the left speaker terminals shall be connected to
the L side in consideration of the polarity ! and @.
The speaker terminals consist of @ COMMON, ! 4Ω,
!8Ω, and ! 16Ω for each channel. Connect the @termi-
nal of the speaker system to the @ COMMON terminal and
! terminal of the speaker system to ! 4Ω, ! 8Ω, or ! 16Ω
according to the impedance of the speakers to be used.
8. AC inlet (AC IN)
Connects the accessory power cable. The power shall be
supplied from a household wall socket.
84 5 6 7
Rear panel
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