Pricing and availability

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Average Price: $1,076

High-end/Boutique

$100

$501+

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Standard

High-end

Price History

Based on price data from 2 merchants for "Millennia NSEQ-HF 500 Series EQ". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

Experience pristine clarity and musical sparkle with the Millennia NSEQ-HF 500 Series EQ, a specialized high-frequency equalizer crafted for the discerning audio professional. Born from the audiophile legacy of Millennia, this EQ module is designed to breathe life into your recordings, enhancing vocals and acoustic instruments with an unrivaled sense of air and openness. Built on the revered circuitry of the NSEQ-4, the NSEQ-HF employs Millennia’s renowned FSA-03 Class A discrete J-FET amplifier and DSA-01 true-differential line receiver, ensuring your audio retains its purity and detail.

The NSEQ-HF is purpose-built to sculpt your high end with precision, offering a choice between peaking and shelving filter shapes across six selectable frequency centers, ranging from 4.8kHz to an ethereal 21kHz. With a 21-step detented control, you can finely adjust the boost or cut by up to 18dB, or refine your settings further with a ±9dB range option. Its minimalist design incorporates only one active stage in the signal path, optimizing sonic integrity through Millennia's innovative Dove Topology.

For those who demand sonic transparency and flexibility, the NSEQ-HF provides a transformerless signal path, selectable balanced/unbalanced input, and a true hard-wire bypass for when the EQ is not active. Each module is meticulously handcrafted in Northern California, employing premium components to deliver an EQ experience that is both musically captivating and technically superior.

Key Features:

  • 500 Series high-frequency EQ for demanding professional use
  • Frequency centers: 4.8kHz, 5.8kHz, 8kHz, 10kHz, 16kHz, 21kHz
  • 21-step detented Cut/Boost control, ±18dB max (±9dB with Range switch)
  • Switchable 6dB/octave shelving or fixed-Q (1.0) peaking
  • Minimalist Dove Topology with one active stage in the audio path
  • True-differential Class A input buffer/amplifier with discrete J-FETs
  • Transformerless signal path for sonic purity
  • True hard-wire bypass
  • Frequency response: < 2Hz to > 300kHz (+0 /-3dB)
  • Extremely low noise: -106dBu
  • Handcrafted in Northern California with premium components

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Millennia NSEQ-HF 500-series EQ

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