Johannus DSA-4 User Manual

User’s Manual Digital Stereo Acoustics DSA-4
JOHANNUSJOHANNUS
6
Controls
Frontpanel
All controls are located at the front of the DSA-4. The control functions are indicated on the
drawing as follows:
1. Switch: Organ / Aux In (other device)
2. LED indicator
3. Input level control
4. Proportion control of direct sound / acoustic sound
5. Output level control
6. Program switch
7. Program adjustment
8. Power switch
These functions will be explained in the following pages.

Johannus DSA-4 Specifications

Acoustic System

voltage	230V (110V)
frequency	50 Hz (60 Hz)
max supplied power	120Watt
max power per channel	20Watt
impedance per channel	8Ù
input impedance	1MÙ
input level	-10dBV tot +4dBV
input level max	+10dBV
frequency range	20Hz till 20.000Hz (± 1dB)
dimensions	21, 6 x 13, 2 x 19, 3cm (8.1" x 5.2" x 7.6")
weight	3, 5kg ( 7.7lbs)

Loudspeaker Boxes

system	2-way
impedance	8Ù
power nominal	50Watt
power max	100Watt
frequency range	29Hz till 22.000Hz
dimensions	24, 1 x 39, 1 x 22, 0 cm (9.5"x15.4"x8.7")
weight	4, 6kg ( 10 lbs)