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.
Specifications subject to change without out knowledge