Pulse Techniques’ flagship – the versatility of the EQP-1S3 with mastering precision. The Pultec EQM-1S is Pulse Techniques’ flagship. It combines the power and range of the EQP-1S3 with the precision and repeatability of the mastering versions, and is becoming their most popular unit for mix bus and mastering.
Why customers choose it
Who it is for
Mastering studios and mix engineers who want the most versatile Pultec with exact recall.
Specifications
| Type | Program Equalizer (mastering) |
|---|---|
| Amplifier | Tube |
| Low shelf boost | 30, 40, 70, 100 Hz shelf boost, 0 – 10 dB in 0.5 dB steps |
| Low shelf cut | 30, 40, 70, 100 Hz shelf attenuate, 0 – 10 dB in 0.5 dB steps |
| High peak boost | 1, 2, 3, 4, 5, 6, 8, 10, 12 kHz peak boost, 0 – 10 dB; 5, 10 kHz shelf boost, 0 – 8 dB |
| 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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