Designed by Ed Anderson for Purple Audio.
A modern update of the classic “swinging inputs” console EQ, with four easy to use bands. Each band uses a high quality inductor and carefully selected caps to give two switchable frequencies. The bands are carefully shaped and spaced to be musical, even ..
Designed by Ed Anderson for Purple Audio.
An illuminated pushbutton for relay true bypass (green) allows for easy comparison with unprocessed source material. A Tricolor LED meters the signal. The frequency response is +/- 0.25dB from 15Hz to 25kHz, and -3dB at 60kHz.A new take on the console gra..
Designed by Eisen Audio for Purple Audio.
The LILPEQr and LILPEQr-M* emulate the colorful 3D richness and useful responses of our favorite vintage tube (aka valve) program EQs (namely, the Lang PEQ-1 and the Klangfilm RZ062), but in a compact, solid-state format. The LILPEQr and LILPEQr-M will ad..
Designed by Eisen Audio for Purple Audio.
The LILPEQr and LILPEQr-M* emulate the colorful 3D richness and useful responses of our favorite vintage tube (aka valve) program EQs (namely, the Lang PEQ-1 and the Klangfilm RZ062), but in a compact, solid-state format. The LILPEQr and LILPEQr-M will ad..
One of the newer members of the Empirical Labs family is the DocDerr, a 500 series multi-purpose tone enhancement module that houses six different sections of digitally controlled analog processing. With over two years of meticulous development and testing behind it, the DocDerr provides an un..
One of the newer members of the Empirical Labs family is the DocDerr, a 500 series multi-purpose tone enhancement module that houses six different sections of digitally controlled analog processing. With over two years of meticulous development and testing behind it, the DocDerr provides an un..
INSIGNA is a tube equalizer in a 500 series package, using a dual triode circuit with a 12AX7 tube.
The eq has 24 db/oct high pass and low pass filters each with 7 frequencies.
The top and bottom band are shelving each with 8 frequencies
The mid band is peaking with 8 frequencies.
The three ..
Rubber Bands 500 is a passive equalizer absurdly reduced in size. This tiny module is equipped with transformer balancing on input and output (Carnhill) as well as a discrete driver circuit. Of course the entire filtering section is passive and mirrors analogue equalizers from the 60s. There is sepa..
RB500ME is a stereo passive equalizer packed into a double 500-series module. This beast is equipped with transformer balanced inputs (Carnhill) and outputs (Edcor) as well as a class-A driver circuit. Of course the entire filtering section is passive and it mirrors analogue equalizers from the 60s...