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Limited Warranty
Valid only in the United States. AKG Acoustics warrants AKG products against defects in material
or workmanship for a period of two years from the date of original purchase for use, and agrees to
repair or, at our option, replace any defective unit without charge for either parts or labor. Important:
This warranty does not cover damage resulting from accident, misuse or abuse, lack of reasonable
care, the affixing of any attachment not provided with the product, loss of parts or connecting the
product to any but the specified receptacles. This warranty is void unless service or repairs are
performed by an authorized service center. No responsibility is assumed for any special, incidental
or consequential damages. However, the limitation of any right or remedy shall not be effective
where such is prohibited or restricted by law. Simply take or ship your AKG product prepaid to our
service department. Be sure to include your sales slip as proof of purchase date. (We will not repair
transit damage under the no-charge terms of this warranty.) Note: No other warranty, written or oral
is authorized by AKG Acoustics, Inc. This warranty gives you specific legal rights, and you may also
have other rights which vary from state to state. Some states do not allow the exclusion or
limitation of incidental or consequential damages or limitation on how long an implied warranty
lasts, so the above exclusions and limitation may not apply to you.
Specifications subject to change without notice.
AKG Acoustics GmbH
Lemböckgasse 21–25, P.O.B. 158, A-1230
Vienna/AUSTRIA
Tel: (43 1) 86 654-0*, Fax: (43 1) 86 654-516
Internet: http://www.akg.com
AKG Acoustics; A Division of Harman Pro Germany
Bodenseestraße 228, D-81243 München/GERMANY
Tel: (089) 87 16-0, Fax: (089) 8716-200
Arbiter Pro Audio
Wilberforce Road, London NW9 6AX/ENGLAND
Tel: (0181) 202 1199, Fax: (0181) 202 7076
AKG ACOUSTICS, U.S.
914 Airpark Center Drive
Nashville, TN 37217, U.S.A.
Tel: (615) 620-3800, Fax: (615) 620-3875
Studer Japan Ltd.
2-43-7, Uehara, Shibuya-ku, Tokyo 151-0064/JAPAN
Tel: (813) 3465-2211, Fax: (813) 3465-2214
Erikson Pro Audio
620 McCaffrey, St-Laurent, Quebec, H4T 1N1, CANADA
Tel: (514) 738-3000, Fax: (514) 737-5069
Internet: www.jam-ind.com/eriksonpro
DS-AS 4+3
The mixer shall be an automatic mixer capable of being daisy-
chained, with four gated microphone inputs and three line inputs.
The microphone inputs shall provide 24-V phantom power and a
compressor limiter separately adjustable for each channel. The
device shall be fitted with microphone inputs and a line output on
3-pin XLR connectors and line inputs and recording outputs on
RCA jacks. A switchable ducking function shall cause all other
channels to be attenuated while there is activity in the MIC 1
channel. The mixer shall be fitted with a two-band equalizer (bass
and treble) affecting only the main output signal. The automatic
mixer shall be the AKG Acoustics Model AS 4+3.
Architects and Engineers Specifications
Specifications
Microphone Inputs
Type: balanced and RF filtered
Impedance: approx. 2.4 kΩ at any level
Nominal level: -50 to -10 dBu adjustable
in two sub-ranges
S/N ratio: 75 dB (20 Hz to 22 kHz, rms)
Max. input level: +5 dBu
Turn-on threshold: -32 to 0 dB re nominal input level
Hold time: 1/4/8/12 secs. ±20%
Gate attenuation: 14 to 26 dB, adjustable
Compression ratio: linear to 2:1, adjustable
Audio bandwidth: 20 Hz to 35 kHz
NOM attenuation: 1 microphone: 0 dB
2 microphones: -2.1 dB
3 microphones: -4 dB
4 microphones: -5.5 dB
5 microphones: -7.2 dB
6 microphones: -8.6 dB
7 microphones: -9.9 dB
8 microphones: -11 dB
Phantom power: 24 V, switchable on each channel
(Ri = 2 x 1.2 kΩ)
Line Inputs
Type: unbalanced and RF filtered
Impedance: >35 kΩ
Nominal level: -10 dBu
S/N ratio: 75 dB (20 Hz to 22 kHz, rms)
Audio bandwidth: 20 Hz to 45 kHz
Max. input level: +5 dBu
System:
Max. gain: 55 dB (input to main output)
Ducking attenuation: 9 dB to 20 dB, adjustable
THD: <0.1%; at any level setting
IM distortion: <0.1%; at any level setting
Power requirement: 5 W max. at 12 V AC
Weight: 5.5 lbs. (2.5 kg )
Size: 19 x 1.7 x 7 in. (483 x 44 x 180 mm)