552 User Guide and Technical Information
46
v. 1.4 Features and specifications are subject to change. Visit www.sounddevices.com for the latest documentation.
Input Limiters
Affects the output of the mic preamps only ('Trim' stage),
+18 dBu threshold, 20:1 limiting ratio,
1 mS attack time, 500 mS release time.
Analog Outputs
Output Type
XLR Line: Transformer-balanced for use with
≥
600 ohm inputs
XLR -10: Transformer-balanced for use with
≥
10k ohm inputs
XLR Mic: Transformer-balanced for use with
≥
600 ohm inputs
10-pin Hirose Line: Transformer-balanced for use with
≥
600 ohm inputs
10-pin Hirose -10: Transformer-balanced for use with
≥
10k ohm inputs
10-pin Hirose Mic: Transformer-balanced for use with
≥
600 ohm inputs
TA3 Active Balanced Mic/Line: pin-2 and 3 driven, for use with
≥
3k ohm inputs
TA3 Active Balanced Direct Outs Mic/Line: pin-2 and 3 driven, for use with
≥
3k ohm inputs
Tape Outs (3.5 mm and TA3-type): Unbalanced, stereo, for use with
≥
6k ohm inputs
Mono Mic Out: Unbalanced, mono, for use with
≥
600 ohm inputs
Headphones (3.5 mm and 1/4"): Unbalanced, stereo, for use with 8-2k ohm headphones
Output Impedance
(ohms actual)
XLR: 85 ohms at Line setting, 3.2k ohms at -10 setting, 150 ohms at Mic setting
10-pin Hirose: 85 ohms at Line setting, 3.2k ohms at -10 setting, 150 ohms at Mic setting
TA3 Balanced Outs: 1k ohms at Mic and Line settings
TA3 Direct Outs: 1k ohms at Mic and Line settings
Tape Outs (3.5 mm and TA3-type): 1.8k ohms
Mono Mic Out: 150 ohms
Headphones (3.5 mm and 1/4"): 50 ohms
Line Output Clipping Level
(1% THD)
20 dBu minimum with 10k load
Maximum Output Level
Line (XLR, 10-pin Hirose, TA3 Balanced and Direct Outs): +20 dBu (7.8 Vrms)
-10 (XLR, 10-pin Hirose): +6 dBu (1.5 V rms)
Mic (XLR, 10-pin Hirose, TA3 Balanced and Direct Outs): -20 dBu (0.078 Vrms)
Tape Outs (3.5 mm and TA3-type): +6 dBu (1.5 Vrms)
Mono Mic Out: +6 dBu (1.5 Vrms)
Output Limiters
Affects the outputs of the mixer.
Threshold selectable from +4 dBu to +20 dBu,
1 dB steps, 20:1 limiting ratio, 1 mS attack time, 500 mS release time.
Maximum Gain
Typical (Trim, Fader, Master,
Phones, RTN A, RTN B fully up)
MIC Level Input LINE Level Input RTN A/B
Master Outs (XLR, 10-pin, TA3) @ LINE
93 dB
53 dB
-
Master Outs (XLR, 10-pin, TA3) @ -10
79 dB
39 dB
-
Master Outs (XLR, 10-pin, TA3) @ MIC
53 dB
13 dB
-
Direct Outs Post-Fade (TA3) @ LINE
87 dB
47 dB
-
Direct Outs Post-Fader (TA3) @ -10
73 dB
33 dB
Direct Outs Post-Fader (TA3) @ MIC
47 dB
7 dB
-
Direct Outs Pre-Fader (TA3) @ LINE
72 dB
32 dB
-
Direct Outs Pre-Fader (TA3) @ -10
58 dB
18 dB
-
Direct Outs Pre-Fader (TA3) @ MIC
32 dB
-8 dB
-
Tape Out (TA3 and 3.5 mm)
79 dB
39 dB
6 dB
Mono Mic Out (3.5 mm)
53 dB
13 dB
-20 dB
Headphones (1/4” and 3.5 mm)
107 dB
67 dB
34 dB
Digital Outputs/Recorder
AES3 Output:
Transformer-balanced AES Out A,B on XLR and 10-pin Hirose connectors, 110 ohm, 2 V
p-p, AES and S/PDIF compatible with RCA adaptor
Sampling Frequency
44.1, 48, 88.2, 96 kHz
A/D
24 bit, 96 kHz maximum sampling rate
