Open mids, creamy highs and punchy lows – the passive EQ sound in one 500-series slot. The Lindell Audio PEX-500 Vintage Edition (PEX-500VIN) is an all-discrete, single-channel passive equalizer modelled after Pultec’s legendary design. It fits any standard API 500-series compatible rack.
Why customers choose it
Who it is for
Mixing engineers and home studios with a 500-series rack who want Pultec-style tone on vocals, kick, bass, guitars or buses, and producers adding a hardware EQ to a plug-in based setup.
Specifications
| Type | 500-series passive equalizer (Pultec-style), 1 channel |
|---|---|
| Circuit | All discrete, Vintage OPA1731 amplifier |
| Inputs / outputs | Transformer-coupled, balanced |
| Low frequency boost | 30, 60, 100 Hz (±10%), 3-step |
| High frequency boost | 6, 10, 16 kHz (±10%), 3-step |
| High frequency attenuation | 10, 15, 20 kHz (±10%), 3-step |
| Bypass | True hardware bypass |
| Power | ±16 V from the 500-series rack |
| Format | API 500-series compatible module |
Good to know
- Needs a 500-series rack or chassis, for example Lindell’s 503, 506 or 510 Power.
- This is the Vintage Edition with the OPA1731 amplifier; the standard PEX-500 uses a 990-style discrete amplifier.
- For stereo work, use two units.
FAQ
What is different from the regular PEX-500?
The Vintage Edition is built around Lindell’s Vintage OPA1731 amplifier. The standard PEX-500 is based on the 990 amplifier. The EQ frequencies are the same.
Is it a mono or stereo EQ?
It is a single-channel module. Two units are needed for stereo.





























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