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Johannus DSA-4 User Manual

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User’s Manual Digital Stereo Acoustics DSA-4
JOHANNUSJOHANNUS
8
Adjusting the output signal level
With the rotary control OUTPUT you can adjust the volume of the output signal of the acoustic
system. This means the signal from the MIX control containing direct and reverb signal
depending on the adjustment of the MIX rotary control.
This control adjusts all four output channels at the same time.
Program switch
With the program switch you can make a choice of sixteen available acoustical programs.
Here follows a brief description of the sixteen programs.
1. Large concert hall with a bright response
2. Large concert hall with a mellow response
3. Mid-size concert hall
4. Mid-size studio
5. Small studio
6. Studio with a mellow response
7. Repeatative decaying reverb effect
8. Plate Reverb with a bright response
9. Plate Reverb with a mellow response
10. Plate Reverb
11. Slow tremolo effect
12. Deep chorus effect
13. Delayed signal effect
14. Chorus effect in a large room
15. Chorus effect in a large room including a delayed signal effect
16. Chorus effect as occurring in rotating speaker systems

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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)