RUPERT NEVE DESIGN 551 Inductor EQ 500 Series
Estimated delivery in Italy between 7 and 9 July
500 Series Inductor EQ
The RUPERT NEVE DESIGN 551 is a 3-band 500 Series Inductor Equalizer inspired by Mr. Neve's most acclaimed historical designs, featuring custom-made components such as inductors, transformers, and Class A gain stages. The true Neve sound, with present lows and harmonious highs, is finally available for the System 500 standard. The 3 inductor bands with custom hand-wound components of the RUPERT NEVE DESIGN 551 are crafted with the distinctive sound of Rupert Neve's vintage EQs in mind. The LOW FREQ band has a dense and resonant response and can be used (unlike the original design it was based on) as both a Shelf and a Peak filter, to add punch, dimensionality, and control to the low-end. The midrange inductor band is ideal for 'sweetening' vocal or instrumental tracks, making them more present in the mix, while the proportional "Q" factor response is effective for reducing the effect of problematic frequencies. The HF band has a hybrid design between vintage and modern, blending the best of inductor circuitry with capacitor circuitry for a vintage sound, but with greater control. The High Pass filter is 12dB per octave with a fixed cut at 80Hz and is perfect in conjunction with the LOW FREQ band to add presence to the lows without over-emphasizing them below. As in Neve's most acclaimed classic designs, each section of the EQ uses discrete Class A low-feedback electronics to prevent unwanted coloration during source processing.
Specifications
Equalizer not active
- Noise: Measured at Main Output, 22Hz-22kHz, 40 Ohms balanced impedance. Better than -102dBV
- Frequency Response: Main output, no load +/- 0.1dBu from 20Hz to 31.5kHz, -1dB @ 120kHz
- Maximum Output Level: 23.25dBu
- Total Harmonic Distortion and Noise: @ 1kHz, +20dBu output level, no load. Better than 0.0025%, @ 20Hz, +20dBu output level, no load. 0.13% Typical (2nd and 3rd harmonic)
- High Pass Filter: -2.7dB @ 80Hz Slope 12dB/Octave
Active Equalizer:
- Noise: Measured at Main Output, 22Hz-22kHz, 40 Ohms balanced impedance. Better than -94dBV
- Frequency Response: Main output, no load +/- 0.25dBu from 20Hz to 45kHz, -2dB @ 120kHz
- Maximum Output Level: 23dBu
- Total Harmonic Distortion and Noise: @ 1kHz, +20dBu output level, no load. Better than 0.009%, @ 20Hz, +20dBu output level, no load. 0.13% Typical (2nd and 3rd harmonic)
Couldn't load pickup availability
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About Rupert Neve Designs
Rupert Neve Designs is a legendary brand in the world of professional audio, founded by British engineer Rupert Neve, universally recognized as one of the greatest audio circuit designers in history. The company produces preamplifiers, equalizers, compressors, analog summing mixers, and signal processors that represent the highest quality standard for recording studios, mastering facilities, and live productions. Rupert Neve Designs products are appreciated for their characteristic musical sound, proprietary transformer construction, and meticulous attention to detail. On musicdelivery.net, you can purchase microphone preamplifiers, channel strips, master bus processors, and the entire range of Rupert Neve Designs products to take your professional audio to the highest level.
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Shipments
Shipments
We ship throughout Italy and the European Union via selected express courier partners. All orders travel in special reinforced packaging and are covered by 100% included insurance to fully protect the value and integrity of professional equipment during transport.
Returns and refunds
Returns and refunds
You can request a return within 14 days of receiving the order. As these are professional hardware and devices, items must be returned completely intact, unused, unactivated, and sealed in their original packaging, complete with all accessories and manuals.
Frequently Asked Questions
Can't find the answer you're looking for? Our team of specialists is at your disposal for configurations or technical questions.
What are your shipping and delivery times?
What are your shipping and delivery times?
Orders are processed within 24/48 business hours. Delivery is made by insured express courier to guarantee maximum protection and safety even for the most delicate and expensive equipment.
Are the products covered by an official warranty?
Are the products covered by an official warranty?
Yes, all products are 100% original and covered by the official 24-month manufacturer's warranty. In addition, our technical department offers free after-sales support to assist you with the initial setup of your system.
How does the right of withdrawal work?
How does the right of withdrawal work?
If the hardware does not meet your expectations, you can return it within 14 days of receipt. The product must be returned intact, unused, and sealed in its original packaging, complete with all accessories and manuals.
What does it mean if a product is "Available on order"?
What does it mean if a product is "Available on order"?
Some complex professional audio systems or lighting equipment are ordered directly from official distributors based on customer requests. You can proceed with the purchase as normal and our team will immediately inform you of the exact arrival times at our warehouses.

