Specs

Z-TONE Buffer Boost Specifications

Topology

Ultra low noise, high bandwidth and ultra low distortion preamp, buffer and direct box, with boost control and variable gain and input impedance. Transformer-based galvanically isolated balanced output and electronically buffered low impedance unbalanced output. PURE and JFET input stages for total transparency or added harmonics.

Audio specs

  • I/O Gain: Unitary, from 1/4” input JACK to both 1/4” and XLR outputs when GAIN is at 0dB and Z-TONE at the SHARP position.
  • Gain Range: From -8dB to +8dB
  • Boost range: From 0dB to +10dB
  • Input impedance - Z-TONE set on PASSIVE mode: Variable from 1MΩ down to 2.2kΩ
  • Input impedance - Z-TONE set on ACTIVE mode: Approx 20kΩ
  • Output impedance, unbalanced out: 56Ω
  • Output impedance, balanced out: 600Ω
  • Max input level before clipping: +13dBm when powered by 48V phantom,+9dBm when powered by 9V battery
  • Dynamic Range: better than 114dB(A) for both outputs, input gain at 0dB
  • Total Harmonic Distortion, balanced output, 1kHz, +4dBm input: 0.0033% (PURE), 0.2% (JFET)
  • Total Harmonic Distortion, unbalanced output, 1kHz, +4dBm input: 0.00055% (PURE), 0.2% (JFET)
  • Frequency response: from 5Hz to 30kHz -1dB
  • Phase deviation: 0° +/-10° from 20Hz to 20kHz

Power

  • Phantom power: +48V phantom on Balanced output.
  • Battery power: 9V
  • External DC power: 9VDC, positive outside - not included
  • Current consumption from P48 phantom power source: 6.5mA

Dimensions

  • Size: 10.8cm/4.25" x 12cm/4.72" x 5.8cm/2.28"
  • Weight: 600g/21.2oz

Package includes

  • Z-TONE Buffer Boost unit

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