73Eq Jr
The 73Eq Jr by Heritage Audio is a powerful line input module for the 500 series. It boasts a 3-band equalizer, matching the Heritage Audio 1073's design, and shares its transformer-coupled line preamp and Class A output stage. This combination creates a unique and robust sound without relying on external preamps. The equalizer features Baxandall-type high and low shelf filters with an additional high frequency selector switch, allowing for precise adjustments. The mid band uses the same dual inductor design for a sweet and accurate boost. With a range of 6 to 20dB, this preamp can handle heavy EQ boosts without clipping. Care has been taken in power handling with a 24V slow-turn-on regulation, ensuring stable performance.
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