Radial Q4 500 Series EQ

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The Radial Q4 is a true Class A 500 Series state-variable filter that gives you four EQ bands with fixed low- and high-frequency shelving, plus two semi-parametric mid bands that range from 300Hz to 2.4kHz, and 1kHz to 12kHz - and let you choose between wide or narrow Q. Designed to interface with balanced pro audio recording systems, the Q4's 100% discrete electronics deliver the analog purity you're looking for, while its solid steel casing gives it immunity from external electro-magnetic fields. In the market for an amazing 500 Series filter? Radial's Q4 fits the bill.





Radial Q4 Class A State-variable 500 Series Filter Features at a Glance:



100% Discrete, Class A state-variable 500 Series filter

4-Band EQ with fixed low- and high-frequency shelving

Two semi-parametric mid bands with wide or narrow Q

Fully encased in steel for durability and protection against external electro-magnetic fields

Double-sided circuit board with 100% discrete through-hole parts, wave soldered for optimal signal flow

Made in Canada; Radial three year guarantee



Radial's Q4 delivers the sonic purity you demand!








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