"Carnhill" Class A microphone amplifier - API 500 series format Class A microphone amplifier using Carnhill input and output transformers. Gain - 10dB to 65dB switchable Trim - 0dB to -10dB Switchable input impedance Phantom and phase switches. For use in API (and compatible) Lunchbox and VPR500 racking systems. £495.00 each (Ex.VAT) Quantity: