Heritage Audio HA-81A Microphone Preamp & Equalizer
The Best of Both Worlds
Introducing Heritage Audio’s HA-81A EQ: a new mix of 2 classic console circuits.
The HA-81A EQ Elite is a channel strip that combines an all discrete, Class A 73-style mic preamp with an extremely versatile and musical console style equalizer – arguably the trick for obtaining instant classic sound for all recording engineers.
The Mic Preamp that Meets the Demands
The HA-81A’s preamp section is an 80 dB, all discrete Class A design with Carnhill St Ives input and output transformers, exactly the same ones found in the other Elite Series modules.
The preamp features gain, output trim, -20 dB pad, polarity reverse, and +48 V phantom power.
The Best Console’s Style Equalizer Ever Made
The HA-81’s equalizer section is an exceptionally musical 4 band, inductor-based equalizer with high and low pass filters. Where 3 band equalizers such as the typical 73-style exceed at musicality but may be short of features, the HA-81A EQ excels at both equally. Extreme control over Shelf or Bell response curves on the high and lows, dual Q on both mid bands, with dedicated high and low mid bands, and a range of 40 frequency selections to choose from.
Hybrid Design. Heritage Quality
The Heritage HA-81A EQ utilizes only rotary switches and precision, concentric potentiometers. And like all of the products in our Elite range, the HA-81A EQ is built with the most cutting edge methods in manufacturing and design, without ever compromising audio quality or cutting corners – all at the Heritage Audio headquarters in Madrid-Spain.
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