Q-tron Audio
Introduction
PRE14B is a pre-amplifier with low output impedance and very high transparency, 4
selectable inputs and a relay switched volume control built with discrete resistors
Content of delivery
1. Amplifier PRE14B
2. Remote control
Unpacking
Put the box on a table or other steady surface. Open the box and put the amplifier on a
steady surface with the front panel facing towards you.
Setup
Connect the amplifier to the mains voltage with a standard IEC 320 mains cable.
Connect signal sources to the connector inputs.
Connect a power amplifier to the connectors marked output.
Function
The amplifier is equipped with RCA phono and XLR connectors for input and output
signals. The active circuits in the amplifier is powered by an advanced power supply with
controlled start up sequences in order to prolong life of tubes and avoid any voltage
transients on the output.
Start up procedure
Check that the front push button switch is not pushed in. Switch on the mains switch on
the back panel to position 1. Push in the front panel bush button, after about 90 seconds
the area around the front panel push button will be lit green and the amplifier is ready for
operation.
Controls and connectors
Front panel
On switch with integrated on indicator, this is a switch button which when pushed in will
start the switch on sequence of the amplifier. The area around the switch button will light
up with green color after approximately 90 seconds.
Combined volume control and channel selector knob. Volume level is controlled by
turning the knob and channel is changed by pushing the knob slightly inwards.
Q-tron Audio
Manual PRE14B3_rev2
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