top of page
Tree Pre
Mic Preamp

  • Circuitry features two Inward Connection’s VF600 all discrete Amp blocks

  • Analog VU meter that monitors the output level

  • +48VDC phantom power switch

  • Phase reverse switch

  • -20dB pad switch

  • Hi-Z low level line input 1/4" phone jack for

      guitars, keyboards and low level instruments

  • 12-position rotary trim (5dB per step)

       25dB to 80dB selectable range

  • 70 Hz hi-pass filter

  • Output level rotary control

  • Balanced input and output transformers

  • Fits standard 500 series slot configuration,

       mechanically and electrically



  • Input Impedance

Mic Input:  Transformer balanced, 200 ohm  nominal input impedance source. Actual impedance 

1200 ohms broad band


Hi-Z Input: >100K

  • Output impedance:         600 ohms nominal transformer balanced output

  •  Frequency Response:     +/- 0.5dB@20Hz to 50KHz

  • Equivalent Input Noise:   -129dBm

  • Output Signal to Noise:   -95dB

  • THD + Noise:                  +4dBu@1KHz:  .015% (20Hz t 20KHz)

  • Maximum Output Level:  +21dBm

bottom of page