Single channel 500 Series EQ module based on Pultec EQP-1A designs.
Two channel 2U mono 3 band Pultec-type rack-mounted equaliser
Update of the highly musical HM2EQ Hammer EQ three-band valve/hybrid EQ with detented gain controls, additional frequency points
Designed for recording, mixing and mastering applications, the single rack space API 5500 is a two-channel EQ package with an all-discrete signal path that combines the classic features of the API 550B four-band EQ module with the boost and cut precision of the 550D and the 550M mastering equalizer.
50th Anniversary Edition reproduction of Saul Walker’s design of the original 550A 3-band EQ. Limited to 50 Units Worldwide.
3-band switchable EQ module for 500 Series format complete with switchable 12dB per octave 50Hz to 15KHz band pass filter and 2 x 2520 op amps on the output +4 balanced XLR I/O.
This limited edition EQ is a continuation of the equalizers produced by API exactly as they were in the 1960’s, featuring hand-wired switches, the original circuit board design and API founder Saul Walker’s signature on the chassis.
7 switched frequency centres per band, fully discrete, click detente in 2 dB steps with 12 dB boost or cut, hi and lo shelf switches, unique proportional Q, high headroom, silent bypass. T
10 bands of fully discrete API proprietary equalisation, fully variable 12dB boost or cut, proportional Q narrows filter Q at extremes, centred detente, silent by-pass.
Surgically precise wide-ranging 3-band filter for 500-series
Before modern semiconductor technology, audio filters and equalizers were made with passive components – capacitors and wound coils of wire that formed inductors (or chokes).
500 Series single channel 3-band EQ module with switchable passive bass filters, all discrete circuits, transformer balanced everything, and the American hand made quality you expect from Chandler the Devils combine Chandler’s best designs with the hottest designs from the past.