Spectra 1964 BB-DI

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Stock Item, Usually Ships Same or Next Business Day

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The Spectra 1964 BB-DI is a passive direct box designed around Spectra 1964's proprietary, custom-wound Hi-Z transformer. High headroom and a virtually flat response make it the perfect input option for your instrument.


  • Passive, HI-Z Input, Balanced Output, High Quality Isolation Transformer Type
  • Signal Loss: 26 dB minimum
  • Maximum Input Level: +15 dBu, -10 dBm output (nominal)
  • Frequency Response: 20 Hz - 20 kHz, ±1 dB*
  • THD: Less than 0.01%, 20 Hz - 20 kHz*
  • *Output Reference Level: -10 dBm
Our ONE WITH EVERYTHING ZEN WARRANTY extends the standard manufacturer warranty by one year, see our ZEN WARRANTY page for details.