Sound Devices 552 - Manual (Page 50)

552 User Guide and Technical Information
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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