A 2U EQP-1A3 with precision stepped controls – 0.5 dB steps for mastering. The Pultec EQM-1A3 is an EQP-1A3 tube program EQ with the boost and cut pots replaced by precision 21-position switches. The tapers give repeatable 0.5 dB steps up to a maximum of 10 dB boost or cut.
Why customers choose it
Who it is for
Mastering engineers and mix-bus users who want subtle, exactly repeatable Pultec moves.
Specifications
| Type | Program Equalizer (mastering) |
|---|---|
| Amplifier | Tube |
| Format | 2U / 19 in |
| Low shelf boost | 20, 30, 60, 100 Hz shelf boost, 0 – 10 dB in 0.5 dB steps |
| Low shelf cut | 20, 30, 60, 100 Hz shelf attenuate, 0 – 10 dB in 0.5 dB steps |
| High peak boost | 3, 4, 5, 8, 10, 12, 16 kHz peak boost, 0 – 10 dB in 0.5 dB steps |
| High shelf cut | 5, 10, 20 kHz shelf attenuate, 0 – 10 dB in 0.5 dB steps |
| Finish | Brushed aluminium |
| Built | By hand, to order, in Fort Collins, Colorado |
| Controls | Stepped (mastering) |
Good to know
- Rack-mount unit for a standard 19-inch rack.
- Hand-built to order by Pulse Techniques in Fort Collins, Colorado.
- Pultec controls interact: when boost and cut are used together, the effective step size changes.





























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