560A 500 Series Compressor/Limiter


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The dbx 560A Compressor/Limiter offers legendary VCA-based compression in the increasingly popular 500 Series format. dbx has a much-heralded history with modular processors dating back to our 900 Series and the 560A continues that tradition.

Featuring the same switch-selectable OverEasy and Hard Knee compression curves as our industry-standard dbx 160A rackmount processor, the dbx 560A will be your new workhorse compressor! With extremely wide-ranging threshold, ratio and output controls and true RMS level detection providing the most natural-sounding dynamics processing available, the 560A will provide punch to drums, bass, vocals, almost anything! It’s also versatile enough to go from subtle compression to "brick wall" peak limiting.

Choose low ratios and OverEasy compression to expertly smooth out fluctuating vocal and instrumental levels, or use the 560A's Hard Knee compression and high ratios for bombproof protection against overload distortion in digital recording, P.A. systems and broadcast signals.

The 560A's 19-segment, switchable Input/Output LEDs and 12-segment Gain Reduction LEDs provide precise analysis at a glance. And, the dbx 560A's unique "INFINITY +" inverse-compression mode actually decreases the audio output level below unity gain when the input exceeds threshold, a real lifesaver for correcting overbearing vocal choruses and controlling runaway mix levels.

Load up your 500 Series rack with some dbx 560A Compressor/Limiters and go to work!

• OverEasy or classic hard knee compression with dbx’s ultra-musical program dependent attack and release times
• Compression ratio variable from 1:1 through infinity:1 to -1:1
• Precise RMS gain reduction and input/output meter displays with calibration control for different operating levels
• True RMS level detection
• Exclusive Infinity+ compression using negative ratios


Input Type Electronically balanced/unbalanced, RF filtered
Input Impedance 40 kO balanced, 20 kO unbalanced
Maximum Input Level +22 dBu
CMRR >40 dB; typically >55 dB at 1 kHz
Output Type Electronically balanced/unbalanced, RF filtered
Output Impedance Balanced 30O, unbalanced 15O
Maximum Output Level +22 dBu
Frequency Response 20 Hz – 20 kHz, + 0/-0.5 dB; 0.5 Hz – 100 kHz, +0/-3 dB
Noise <-97 dBu, Unweighted (22 Hz – 22 kHz)
THD+Noise <0.005% typical, No compression, 1 kHz input at 0 dBu; <0.07% typical, Any Amount of Compression up to 40 dB @ 1 kHz
Dynamic Range >119 dB
Compression Gain Adjustment Range Variable from -20 dB to +20 dB
Compressor Threshold Range -40 dBu to +20 dBu
Compressor Threshold Characteristic Selectable OverEasy or Hard Knee
Compressor Ratio Variable 1:1 to 8 :1 thru to -1:1; 60 dB Maximum Compression
Compressor Attack Time Program-Dependent; Typically 15 ms for 10 dB, 5 ms for 20 dB, 3 ms for 30 dB
Compressor Release Time Program-Dependent; Typically 8 ms for 1 dB, 80 ms for 10 dB, 400 ms for 50 dB; 125 dB/Sec Rate
Power Requirements +/- 16 VDC
Current Draw 60 mA per power rail
Power Draw 1.92 watts
Rack System Compatibility 500 Series Compatible Power-frame
Rack Space 1 Slot
Dimensions (H x W x D) 5.25” x 1.5” x 6” (13.34 cm x 3.81 cm x 15.24 cm)
Weight 1.3 lb. (0.59 kg)
Shipping Weight 1.7 lb. (0.77 kg)
More Information
Weight 1.000000
Length 10
Width 6.5
Height 4
Color Black
Manufacturer dbx by HARMAN
Manufacturer Model Number 560A
Manufacturer Part Number DBX560A
UPC 691991000638
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