4 Track Mixer Mx4v2s - Version 1

(See diagrams below)

Asymmetrical output level:

• No jumper: -2 dBm
• With jumper: -12 dBm

Return level:

Must be set depending on the recorder. Minimum level for a 0 dBm tape return.
Factory setting: -12 dBm.

Reference:

• No Jumper: Reference to the left track only
• With Jumper: Reference to both tracks

Reference level:

The reference level must be set at +4 dBm to the symmetrical outputs.
The distortion potentiometer must be kept in the middle.

Vu-meters settings :

Vu-meters must indicate 0 dB with a sinusoidal / 1 KHz / +4 dBm signal to the symmetrical outputs.

Limiters:

Input trim at -20 dB. Input potentiometers to the maximum. Apply an 1KHz sinusoidal signal to the inputs in order to have +22 dBm to the symmetrical outputs (with no limiter). Switch the limiter on and set the trim potentiometer to lower the output signal to +20 dBm. Repeat for all tracks.