5—10
5.2 Rear panel
5.2.1 Mains
The mains appliance inlet and the mains switch. You switch on the amplifier with this switch. After switching
on there is a ventilator test for about 4 – 5 seconds, after which the amplifier is in ready mode.
Note:
At the end of the ventilator test you will hear a tiny pimple from the speakers connected. It is normal.
Important!
Please avoid switching on and off the amplifier too often, especially after playing at high volume level! After
playing at high volume level give the ventilator a few minutes to cool down the amplifier before switching it
off!
This equipment should only be connected to 230 VAC, 50 Hz mains network!
You must use standard earthed mains cord.
The mains plug must be plugged into an appropriate outlet that is properly installed and grounded!
5.2.2 Input 2
Auxiliary input jack for line input. This connector can receive unbalanced source.
This input evades the tube preamplifier and not affected by the Bass and Treble controls.
5.2.3 Speaker Outputs
Neutrik Speakon - Jack combo outlets. They are connected parallel inside the amplifier. Both of speakon or
6.3mm jack plugs are suitable to connect speaker cabinets.
The minimum load impedance should not be less than 2.66 ohm.
Note:
The speakon connector is a more stable, robust and reliable solution. Use this - if you have one - instead of
jack! Avoid long speaker cables and low quality plugs in order to maintain sound quality and volume.
The amplifier can be used without speakers as well.
Warning!
There is dangerous voltage on the speaker output! Connect the cabinets to the amplifier before switching on
and do not touch the hot pole of the speaker jack!
5.2.4 Ventilation cutouts
Do not cover the ventilation cutouts! Insufficient ventilating causes overheating, which may causes
permanent damage to the power stage.
Note:
Overheating or fault of power stage is displayed by the Mute LED.
If this occurs, switch off the amplifier, wait for 30 minutes before then switching it on again! If the Mute LED
stays lit after the ventilator test /4-5 seconds/ then the amplifier has to be brought to a qualified technician for
repair.
