API Audio 550b Discrete 4 Band EQ

Discrete 4-band equalizer

  • From the 500 series
  • 7 centre frequencies selectable per band
  • 12 dB of boost / cut per band
  • EQ band 1 and 4 in selectable shelf / peak characteristics
  • Traditional API circuit design
  • Headroom up to +30 dB
  • In / Out switch
  • Reissue of the 1967 API 550EQ with an additional band
  • Requires the API Lunchbox 500-6B or 500 VPR slot rack
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Audio Examples

  • Bongo EQ Off On
  • Drums EQ Off On
  • Guitar Pickup EQ Off On
  • Strumming EQ Off On
  • Vocal EQ Off On

Further Information

Pre-Amp No
48 V Phantom power No
compressor No
limiter No
equalizer Yes
De-Esser No
other processors No
Rack/Frame No
supplies No

Come up with your own creative bundle and save

If you order this product together with others as part of a bundle, you can save up to 8 % additionally!
API Audio 500VPR + API Audio 550b Discrete 4 Band EQ +
2 more
Configure bundle now
starting from $2,655
2 Customer Ratings
  • 5
  • 4
  • 3
  • 2
  • 1
5 /5
$1,529 €1,258.82
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