Warm Audio EQP-WA Passieve Buizen Program Equalizer

The Warm Audio EQP-WA is a faithful recreation of the legendary passive tube program equalizer, delivering the classic analog warmth and musicality that defined countless hit records. Built with premium components including custom CineMag USA transformers and a discrete Class A tube circuit, this mono equalizer offers the iconic boost and cut curves that make it a go-to for tracking, mixing, and mastering.

Advantages

True to the original design, the EQP-WA provides silky high-frequency boosts and deep, punchy low-frequency shaping with exceptional transparency. The all-tube signal path adds natural harmonic richness, while the custom transformers ensure wide bandwidth and low noise. Its intuitive controls allow for quick, musical adjustments that enhance any source without harshness.

Suitable for

• Vocal tracking and mixing
• Bass and guitar recording
• Drum bus and overhead processing
• Mastering and stereo bus equalization
• Adding analog character to digital setups

Key specifications

• Equalizer Type: Passive Tube Program Equalizer
• Channels: 1 (Mono)
• Circuitry: Fully Discrete, Class A, Tube-based
• Tube Complement: 1 x 12AX7, 1 x 12AU7, 1 x 6FQ7 (or 6CG7)
• Transformers: Custom CineMag USA Input and Output Transformers
• Low Frequency Boost Frequencies: 20, 30, 60, 100 Hz (selectable)
• Low Frequency Cut Frequencies: 20, 30, 60, 100 Hz (selectable)
• High Frequency Boost Frequencies: 3, 4, 5, 8, 10, 12, 16 kHz (selectable)
• High Frequency Cut Frequencies: 5, 10, 20 kHz (selectable)
• Low Frequency Boost/Cut Range: 0 dB to +12 dB Boost / 0 dB to -18 dB Cut (approximate)
• High Frequency Boost Range: 0 dB to +18 dB (approximate)
• High Frequency Cut Range: 0 dB to -14 dB (approximate)
• Input Connectors: 1 x XLR (balanced), 1 x 1/4" TRS (balanced)
• Output Connectors: 1 x XLR (balanced), 1 x 1/4" TRS (balanced)
• Input Impedance: 600 Ohms
• Output Impedance: 600 Ohms
• Frequency Response: 20 Hz to 20 kHz
• Rack Size: 2U
• Power Supply: Internal, 115V/230V switchable
• Chassis Material: Steel

Recommendations

For best results, use the EQP-WA on individual tracks or mix buses to add analog warmth and precise tonal shaping. Pair with a high-quality preamp and monitor through accurate speakers to fully appreciate its transparent yet characterful sound.