The mastering version of the EQP-1A – stepped controls for exact, repeatable settings. The Pultec EQM-1A is the mastering version of the 3U EQP-1A. Its boost and cut controls are full-range, progressive-taper Elma stepped switches: 0.5 dB steps for the first half of rotation, then larger steps up to the full range – fine control for mastering, full power for tracking.
Why customers choose it
Who it is for
Mastering engineers, mix-bus users and studios that need exact recall of Pultec settings.
Specifications
| Type | Program Equalizer (mastering) |
|---|---|
| Amplifier | Tube |
| Low shelf boost | 20, 30, 60, 100 Hz shelf boost, 0 – 13.5 dB in 0.5 dB steps |
| Low shelf cut | 20, 30, 60, 100 Hz shelf attenuate, 0 – 17.5 dB in 0.5 dB steps |
| High peak boost | 3, 4, 5, 8, 10, 12, 16 kHz peak boost, 0 – 18 dB in 0.5 dB steps |
| High shelf cut | 5, 10, 20 kHz shelf attenuate, 0 – 10 dB in 0.5 dB steps |
| Input Impedance | ~600 Ohms |
| Output Impedance | ~50 Ohms |
| Noise | 92 dB below +10 dBm |
| Distortion | ≤ 0.15% at +10 dBm into 600 Ohms |
| Amplifier response | Flat, 20 Hz to 20 kHz, +/- 0.5 dB |
| Tubes | 1 ea 12AU7, 12AX7, 6X4 |
| Finish | Pultec blue |
| 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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