Retro Instruments 2A3 Octave & Harmonizer Our R-14 employs a thin

Our R-14 employs a thin corrugated aluminum ribbon tensioned between two rare earth neodymium magnets

high and low pass filters

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resulting in a flat frequency response (within +/-0

Retro Instruments 2A3 Octave & Harmonizer Our R-14 employs a thinWhy You Need The Retro Instruments 2A3 Dual Channel Tube Program Equalizer: Retro Instruments take on the classic Pultec EQP 1A3 Maintains many of the features of the original with select upgraded features Added peak frequencies for more precise control Improved Low End Performance Designed for stereo usage with hand matched pots to ensure both channels are identical Industry standard Passive EQ with authentic feel, controls and equalization curves