Equalizers, Parametric & Filters

Rolls' RPQ160B is a 4-band parametric equalizer with high and low shelving filters and is capable of processing frequencies from 20Cy to 20KCy. These sort of units are for reducing room resonances, anti feedback, special effects, room flat ...

Radio Design Labs' ST-EQ3 is a unique audio equalizer in the STICK-ON product. The durable bottom adhesive permits quick, permanent mounting nearly anywhere, or use it with RDL's racking accessories. The ST-EQ3 offers the ultimate flexibil ...

The ST-FS6 is used in applications where an excessive RF level is induced in the audio cables producing audio interference in the system. It is not necessary to use all 6 input/ output channels, and wiring configurations may vary according ...

Radio Design Labs' FP-PEQ3 is part of the group of versatile FLAT-PAK products from Radio Design Labs. The unique FLAT-PAK case can be directly screwed or bolted to cabinets or shelves. Optionally available rack-mounting accessories permit ...

Radio Design Labs' RU-EQ3 features a balanced bridging input, which may be connected unbalanced if desired. The output driver is 150 O balanced, and is intended to drive unbalanced or balanced lines of 150 O or higher impedance. Front-pane ...

Radio Design Labs' ST-HP3 is the ideal choice where line-level audio filtering needs to be provided at the input of a power amplifier for protection of public address horns against damage from low frequencies. The ST-HP3 has one input and ...

The EQ-73 MKII employs a class-A circuit design reminiscent of the EQ section found in the classic 1073 module, albeit without the high pass filter. Notably, this iteration introduces additional frequencies and utilizes two inductors in th ...

The RU-EQ3 is designed with a versatile bridging input that allows for both balanced and unbalanced connections. Its output driver boasts a 150 Ω balanced impedance and is engineered to drive unbalanced or balanced lines with an impedance ...