SPL Passeq Equalizer
Best high end tool for professional mastering and mixing engineers.
A modern take on vintage passive equalization that brings a silky, transparent character to any signal. It trades the surgical precision of active digital EQs for a more musical, natural response that excels at mastering and final shaping.
$4399.00
at
Front End Audio
More PASSEQ options
Who it's for
- Mastering engineers seeking musical transparency and high-fidelity signal paths
- Professional producers wanting musical results without surgical complexity
- Studio owners investing in durable, high-end analog outboard gear
Who should skip it
- Novice engineers accustomed to more straightforward digital EQ layouts
- Home studio users with limited rack space or mobile rigs
- Budget-conscious creators looking for affordable tone-shaping solutions
Performance breakdown
Sonic Transparency
High-voltage circuitry ensures pristine signal integrity without unwanted coloration.
Recall Precision
Stepped controls make session recall fast, accurate, and completely stress-free.
Vintage Character
Passive filter design captures that coveted, natural 1950s harmonic warmth.
Headroom Capacity
Massive +32.5 dBu levels handle hot signals without breaking a sweat.
Workflow Efficiency
Integrated auto-bypass makes instant A/B comparisons effortless during critical mixing.
High-End Openness
Expanded frequency range adds a silky, airy sheen to any master.
Key Specs
Equalizer Type
Passive
Number of Channels
2
Input Impedance
20 kOhms (balanced)
Output Impedance
< 600 Ohms (balanced)
Max Input/Output Level
+32.5 dBu
Frequency Range
10 Hz - 35 kHz
Transmission Bandwidth (-3 dB)
10 Hz - 200 kHz
Total Harmonic Distortion
0.076% at -30 dBu
Power Consumption
9.5 Watts
Rack Mountable
Yes
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