Manley Massive Passive Stereo EQ Mastering Version

6,232.00 (including VAT @ 23%)

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Estimated delivery to you: 20th December 2016
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1 year warranty and 30 day money back guarantee included

1 year warranty and 30 day money back guarantee included

Once the product is delivered, you have 30 days to decide that you definitely want to keep it. If you decide it is not suitable for any reason, you can return it back to us for replacement or full refund, including standard delivery charges.

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Product Ref: 75872

  • All-Passive Tone Sculpting Circuitry
  • Vacuum Tube Make-Up Gain and Line Drivers
  • Premium Components Throughout
  • Stepped Switches and Gentler Filter Curves for Mastering
  • 44 Frequencies (Roughly 1/4 Octave Spacing)

Manley Massive Passive Stereo EQ Mastering Version

The Manley Mastering Massive Passive EQ is a two-channel, four band equalizer which integrates high-pass and low-pass filters to create a more versatile audio device. The passive tone-shaping portion of the equalizer design does not use any active circuitry, but utilises metal film resistors, film capacitors and hand-wound inductors. The Mastering Massive Passive also bears exceptional headroom capability and provides infinite options for tweaking your sound. With upgraded switches and gentler filter curves, the Manley Mastering Massive Passive EQ is the perfect tool for mastering and equalizing your audio.

Product Ref: 75872

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Full Description

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Premium Stepped Switches

The Manley Mastering Massive Passive EQ incorporates premium stepped switches to allow for more accurate control whilst mastering, a feature valued by many professional audio engineers around the world. The gentler filter curves are also more suited for mastering purposes, overall making the Manley Mastering Massive Passive EQ ideal for a wide variety of professional audio mastering and equalization applications.

Organic, Warm Tone

The Manley Mastering Massive Passive EQ features basic passive components and uses only metal film resistors, film capacitors, and hand-wound inductors to sculpt the sound with no unnecessarily complicated circuitry. The combination of premium components and natural design of the Mastering Massive Passive allows for a more organic, warm tone. The efficient construction paired with the rack mountable design makes the Manley Mastering Massive Passive a great addition to your studio setup.

Endless Creativity

The Manley Mastering Massive Passive EQ offers huge versatility for use with many different instruments, voices, and sounds. The two channel, four band equalizer provides a wide range of sonic sculpting possibilities and allows for endless creativity with your audio. The Mastering Massive Passive contains five high-pass and four low-pass filters, with the ability to bypass either or both. The filters are also very steep so that you can extra ct the unwanted audio from your recordings without touching the real music.


  • All-Passive tone sculpting circuitry
  • Unique Shelf curves use the "bandwidth" control
  • Overlapping and Interleaved Frequency choices
  • Every band switchable to shelf or bell
  • Vacuum tube make-up gain and line drivers
  • Parallel symmetrical topology
  • Premium components throughout
  • HP and LP Filters plus gain trims
  • Metal Manley mechanically detented gain and bandwidth control knobs
  • Ins & Outs Balanced XLR & 1/4" (accepts unbalanced)
  • Level +4 dBu nominal, internal switches for -10 operation
  • Bypass Switch bypasses EQ & tube circuits (not hardwire)
  • 44 Frequencies (roughly 1/4 octave spacing)
  • Operating Mains Voltage changeable with power transformer changeover switch and fuse value change.
  • Unit is factory set for 100V, 120V or 220-240VAC operation for original destination country's mains voltage.


  • Frequency Range: 22 Hz to 27 kHz
  • EQ Boost/Cut Range: Maximum 11dB boost or cut
  • Nominal Q range: 1.5 to 3 (uniquely active in shelf modes)
  • Frequency Response: ±2 dB: 8 Hz to 60 KHz
  • Maximum Output @ 1.5% THD: +37 dBv; +26dBv @ 20 Hz
  • THD & Noise (1KHz @ +4 dBu): 0.06%
  • Noise Floor (referred to +4dBu): -85 dB (A Weight)
  • Dynamic Range: 120 dB
  • Tube Complement: 2 x 12AU7, 4 x 6414
  • Power Consumption (120/240VAC): 72 watts
  • Mains Voltage Frequency: 50~ 60Hz
  • Size (3U): 19" x 5.25" x 10"
  • Weight: Unit 21 lbs. Shipping Weight: 27 lbs.
Your order may be delivered with a plug adapter
If any electrical items in your order are supplied with a United Kingdom plug connection, a suitable plug conversion adapter will be included free of charge.