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Johannus DSA-4 User Manual

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User’s Manual Digital Stereo Acoustics DSA-4
JOHANNUSJOHANNUS
Table of Contents
Installation ................................................................... 1
The acoustic system ...................................................... 1
Installing the loudspeaker boxes ............................................. 1
Installing the acoustical .................................................... 1
Connecting the loudspeaker boxes ........................................... 1
Connecting other devices .................................................. 4
Organ ........................................................... 4
Second device .................................................... 4
Set up ....................................................................... 5
Connecting the powercord .................................................. 5
Switching on ............................................................ 5
Controls .................................................................... 6
Frontpanel ............................................................. 6
Switch Organ/Aux In ...................................................... 7
LED indicator ........................................................... 7
Adjusting the input signal level .............................................. 7
Adjusting proportions direct signal/acoustic signal ................................ 7
Adjusting the output signal level ............................................. 8
Program switch ......................................................... 8
Program ............................................................... 9
Power switch ............................................................ 9
Maintenance ................................................................ 10
Guarantee .................................................................. 10
Apendices .................................................................. 11
Technical specifications .................................................. 11
acoustic system .................................................. 11
Loudspeaker boxes ............................................... 11

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Johannus DSA-4 Specifications

Acoustic System IconAcoustic System
voltage230V (110V)
frequency50 Hz (60 Hz)
max supplied power120Watt
max power per channel20Watt
impedance per channel
input impedance1MÙ
input level-10dBV tot +4dBV
input level max+10dBV
frequency range20Hz till 20.000Hz (± 1dB)
dimensions21, 6 x 13, 2 x 19, 3cm (8.1" x 5.2" x 7.6")
weight3, 5kg ( 7.7lbs)
Loudspeaker Boxes IconLoudspeaker Boxes
system2-way
impedance
power nominal50Watt
power max100Watt
frequency range29Hz till 22.000Hz
dimensions24, 1 x 39, 1 x 22, 0 cm (9.5"x15.4"x8.7")
weight4, 6kg ( 10 lbs)