The 570 Mic Preamp is a simple solidstate design featuring a Lundahl LL1576 input transformer. It conforms to API's VPR Alliance standards for 500-series equipment and will operate in any 500- series enclosure.
Controls include a continuously variable gain pot, 20dB pad, phantom power switch w/ LED, and a 10-step LED peak meter ranging from -12 to +15dB.
The 570 has a clear, tight sound with smooth top end. Gain range is from 28 to 65dB, and frequency response is down 3dB at 5.5Hz and 59kHz.
A convenient handle is provided to facilitate removal from the rack.
SpecificationsGain: 28 to 65dB Frequency response: -3dB at 5.5Hz & 59kHz Input impedance: 600Ω (1.2kΩ w/pad) Output impedance: 50Ω Maximum output levelL 22 dBu Distortion: 0.02% @ 1kHz Noise: -56dBu @ 65dB gain Power Consumption: 90mA at +/-16VDC
Specifications subject to change without out knowledge