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Burl Audio B4 AD Card

£2,449.00 £2,040.83 ex VAT

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    4-channel MIC / LINE input ADC

      SKU: 7228 Categories: , , Brand: Brand:

      Burl Audio B4 AD Card

      AT LONG LAST… BURL Audio is proud to announce the new B4 4-channel MIC/LINE input daughter card for the B80 and B16 MOTHERSHIPs. The B4 boasts the new BX6 input transformer designed for true MIC/LINE input impedance. The B4 maintains a no compromise, class-A analog circuit, followed by the same ADC we use in the BAD8. Using a single B80 chassis, 40 input channels of audiophile MIC/LINE inputs can be realized. With digital control and SoundGrid or Dante, the B80 MOTHERSHIP with the B4 MIC/LINE daughter card is the ultimate studio grade stage box.

      Frequency Response
      LINE level, 0dB Gain,  -0.03dB @ 10Hz, -1.5dB @ 30kHz
      Full Gain, 59dB Gain,  -0.03dB @ 10Hz, -2.5dB @ 30kHz

      Input Impedance
      LINE 10k Ohms
      MIC 2.5k Ohms

      B4 MIC PRE Features:

      • 4-channel MIC / LINE input ADC
      • NEW BX6 input transformers
      • BURL NextGen BOPA14 OP-AMP
      • 40 total MIC / LINE input channels per B80
      • All class-A, discrete signal path

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