Instant Classic Active Stereo Ribbon Mic The AEA R88 Mk 2 was an instant hit at Sweetwater. The Phantom powered AEA R88A delivers the same award-winning stereo sound as its passive stablemate, but with 12dB more gain, courtesy of custom toroid transformers. The The R88A effortlessly renders the full impact and nuance of any source; be it piano, drums, strings — or any other instruments with complex transients. The AEA R88A active ribbon microphone captures the stereo soundfield as your ears perceive it with open, honest tonality.Use with any preamp, on any source The R88A operates on standard 48V phantom power. The mic's 12dB of additional transformer gain is ideal for recording quiet sources such as whispered vocals or softly played acoustic guitars. The extra gain also enhances the mic's versatility, letting choose a preamp based on sound, not gain or input impedance. The active impedance buffers also help prevent