Arcam Digital Pre -Amplifier Delta 110 User Manual download pdf (Page 8)

Delta n 0 digital pre-amplifier

Balance control

This is set so that in the normal (' 12 o'clock') position the left

and right signals are amplified equally. Adjusting the balance control anti

clockwise will then move the stereo image to the left; moving the

control clockwise moves the image to the right.

For optimum performance the balance control is inside the

feedback loop of the Delta 1 lO's line amplifier stage. As the control's

range is limited to approximately + 1 OdB, it is not possible to mute one

channel completely.

Volume control

This adjusts the listening levels of the left and right channels

together, through both loudspeakers and headphones. Note that neither

the volume or balance controls affect the level of signals sent to the

tape outputs.

The volume control is motorised for remote control (see p

10). The special clutch used allows it to be adjusted manually without

any risk of damaging the drive motor Flowever, take care not to force

the volume knob beyond its end stops (at approximately 7 o'clock for

minimum volume and 5 o'clock for maximum).

Headphones socket

The Delta 110 incorporates its own high quality headphone

amplifier which is suitable for both high and low impedance headphones

using a standard 'A inch (6.35mm) jack plug. It is not generally suitable

for use with electrostatic headphones.

Note that the Delta 110's two main stereo outputs are

automaticaliy muted when the headphone jack is pushed home.

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Arcam Digital Pre -Amplifier Delta 110 User Manual Page 8