The Pultec EQP-1A3 with an API 2520 gain stage – punchier, with a tighter low end. The Pultec EQP-1A3-SS has exactly the same input transformer and passive EQ as the EQP-1A3, but uses a genuine API 2520 op-amp gain stage driving a Triad output transformer. Many users describe it as “more punchy” with “a tighter low end” than the tube version; it is also the core of Pulse Techniques’ 500-series EQs.
Why customers choose it
Who it is for
Engineers who want Pultec curves with extra punch on drums, bass and piano.
Specifications
| Type | Program Equalizer |
|---|---|
| Amplifier | API 2520 solid state, Triad output transformer |
| Format | 2U / 19 in |
| Low shelf boost | 20, 30, 60, 100 Hz shelf boost, 0 – 13.5 dB |
| Low shelf cut | 20, 30, 60, 100 Hz shelf attenuate, 0 – 17.5 dB |
| High peak boost | 3, 4, 5, 8, 10, 12, 16 kHz peak boost, 0 – 18 dB |
| High shelf cut | 5, 10, 20 kHz shelf attenuate, 0 – 16 dB |
| Input Impedance | ~600 Ohms |
| Output Impedance | ~50 Ohms |
| Noise | Below -80 dBm |
| Distortion | ≤ 0.15% at 10 dBm into 600 Ohms |
| Amplifier response | 20 Hz to 20 kHz; +0, -1 dB ref 1 kHz including input/output transformers |
| Output Level | +21 dBm maximum |
| Finish | Brushed aluminium |
| Built | By hand, to order, in Fort Collins, Colorado |
Good to know
- Rack-mount unit for a standard 19-inch rack.
- Hand-built to order by Pulse Techniques in Fort Collins, Colorado.
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