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Rupert Neve Designs 551 - 500 Series EQ

The first AND only 500 Series EQ designed by Mr. Rupert Neve
MFR# 551

Product Description

Three bands of EQ inspired by Rupert Neve’s most prized vintage designs. Class A gain blocks. Custom-wound inductors and transformers. The Rupert Neve Designs 551 brings the thick lows, powerful midrange and sweet highs of Rupert’s classic inductor EQs to the compact 500 Series format for the very first time.

So, what are inductors? They’re wires wound around a coil that provide a form of frequency-dependant resistance. When they saturate, they bring out beautifully musical harmonics that give your tracks the smooth, polished sound that has made Rupert’s consoles and equipment so desirable for over fifty years. This is an EQ with a truly vintage soul.


Functions & Specs:

  • EQ IN: Engages all bands of EQ except HPF
  • HF [LEVEL]: Adjusts +/-15dB at selected high frequency
  • 8K / 16K: switch out = 8 kHz HF center/corner frequency switch in = 16 kHz HF center/corner frequency
  • HF PEAK: switch out = shelf mode, 6dB/octave switch in = peak/bell mode
  • MID FREQ: 200Hz, 350Hz, 700Hz, 1.5kHz, 3kHz, 6kHz
  • MID [LEVEL]: +/-15dB at selected mid frequency
  • MF HI Q: switch out = wide Q (~2) switch in = narrow Q (~3.5)
  • LOW FREQ: 35Hz, 60Hz, 100Hz, 220Hz
  • LO PEAK: switch out = shelf mode, 6dB/octave switch in = peak/bell mode
  • LF [LEVEL]: +/-15dB at selected low frequency
  • HPF: switch out = high-pass filter bypassed switch in = 12dB/octave @ 80Hz
  • POWER: +/-16V supplied by 500 Series rack

Product Specifications

Condition New
Tube or Solid State Solid State
Channels Single-Channel
Chassis Module
Module Type 500 Series
Module Slot Count 1 Slot

Product Reviews

4.9 out of 5 stars.
Review Count (11)

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Beefy & smooth mojo - great for tracking anything or for some flavor after the fact.

By Richard D on August 29, 2022

Fantastic EQ. Responsive, musical, with frequency points at the perfect spots. I use it both when tracking (with a light hand) or during mixing where it can paint with broad strokes or fine points, with a variable Q, notching, etc. it might be one of the best outboard EQs you can get in the market today.

By Nic S on July 7, 2022

Really amazing EQ!

By Marc M on October 4, 2021

Really musical and effective eq. Everything sounds better through these, I purchased a pair. Now I need to get the diode compressors and preamp to complete a pair of channelstrips.

By AWH on October 26, 2020

So far I am very impressed by this EQ. It has a lot of vintage vibe, and immediately adds a pleasing color to the audio that is passed through it. My first Neve EQ, after some Pultec style units, and I have to say it is a completely different animal. Bass tracks sound more focused and punchy, vocals sit in the mix with little effort, I’m gonna need more of these, it is making me strive for better sounds from the start of a project.

By Graham S on April 30, 2020

Powerful, beautiful eq. Even running a signal through at unity does something special to the sound.

By Philip R on March 23, 2020

Sounds like a 1073 with more butter in the low mids.

By John B on January 22, 2020

Beautiful sounding piece of kit. Dead quiet. Musical. Powerful. A fantastic bargain. I’m buying more of these as soon as I can sell some others I have been using. Destined to be a studio classic.

By Glenn M on December 9, 2019

Great sounding eq 👍

By John Z on December 18, 2018

I've never been a huge fan of the EQ section on classic Neve modules like the 1073, 1066, 1084 but this more modernized design from Rupert is amazing. They smoothed out some of the nasty phase shift that could make the vintage Neve EQ's sound a little harsh. Super flexible and a great compliment to my API 550A's. Love them on drums especially.

By Mickey on May 5, 2017

This is a sweet sounding eq. It doesn't have the aggressive characteristics that some inductor eq's have. At first, it seems that the frequency choices are limited, but, with switchable shelving, narrow bandwidth switching in the midrange and the 80hz rolloff, you can do a lot. I own API, Avedis, Kush and Chandler hardware eq. While I like them all, I find myself wanting to go the 551 more as time goes on. I plan to buy another one when I can.

By JIm on January 5, 2017

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The speed of delivery exceeded my expectations! I was VERY pleased that my shipment arrived in time for a scheduled vocal tracking session. The packing insured that my order arrived safely. And the sales staff responded quickly to questions regarding the product.
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