SKU: 93134027134

ART 351 - Single Channel 31-Band 1/3 Octave Graphic Equalizer

Sale price$13655.25 Regular price$15172.50
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Description

ART 351 - Single Channel 31-Band 1/3 Octave Graphic EqualizerThe 351 single channel, 31 band 1 3 octave graphic equalizer features constant Q circuitry, with a 3% center frequency accuracy. The sliders are 20mm center detent with a selectable boost cut range, and the unit provides active balanced and unbalanced input and output connections, adjustable high pass and low pass filters, variable input level control, clip level indicators, ground lift switch, internal power supply with selectable line voltage

The 351 single channel, 31 band 1/3 octave graphic equalizer features constant Q circuitry, with a 3% center frequency accuracy. The sliders are 20mm center detent with a selectable boost/cut range, and the unit provides active balanced and unbalanced input and output connections, adjustable high pass and low pass filters, variable input level control, clip level indicators, ground lift switch, internal power supply with selectable line voltage switch.

The 351 has a bypass switch with LED indicator, is housed in a rugged, all-steel constructed chassis which occupies 1U rack space, and is intended for installation in standard 19" equipment racks. Multiple input and output configurations are provided for ease of use and incorporate paralleled connections. The XLR and 1/4" TRS connectors use active balanced, low noise circuitry. Both the XLR and 1/4" connectors may be used in an unbalanced configuration. The RCA jacks are unbalanced. The unit is designed to work with a variety of signal levels. The input level control covers a wide range and can easily accommodate -10 and +4 signal levels.

The 351 may be used in a variety of applications such as live sound, recording studios, instrument racks, as well as any conventional fixed installation environment.

Single channel 31 band 1/3 octave graphic equalizer
Constant-Q filtering
20mm center detent sliders
Selectable boost/cut range of 6dB or 12dB
Variable high-pass and low-pass filters
Variable input level control
Clip level indicators
Active balanced and unbalanced input and output connections
UPC: 840402011514
Filter Type Graphic, constant Q - 3% center accuracy
Number of Channels 1
Inputs 1 x XLR, 1 x 1/4" TRS phono, 1 x RCA coaxial
Output 1 x XLR, 1 x 1/4" TRS phono, 1 x RCA coaxial
Maximum Input Level +22dBm
Frequency Bands 31, ISO spacing
Bandwidth 1/3 octave
Range (Boost/Cut) +/-6dB or +/-12dB selectable
Maximum Output Level +18dBm @ +4db
Frequency Response 20Hz to 20kHz
Dynamic Range Not specified by manufacturer
Noise -94dB
Dimensions 1U rack, 8 1/2" deep
Specialties Ground lift switch
Selectable line voltage switch
Packaging Info
Package Weight 6.9 lb
Box Dimensions (LxWxH) 21.2 x 10.5 x 3.6"
In the Box
ART 351 - Single Channel 31-Band 1/3 Octave Graphic Equalizer
  • Power Cable
  • One Year Warranty
All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 93134027134

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4.1 ★★★★★
Based on 7 reviews
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TopConsumer
Louisville, US
★★★★★ 4
Small, bu holds a lot
Color: Black
I initially purchased the Jewelry Box Necklace Ring Storage Organizer as a gift for my 8-year-old daughter. The compact design and practical features seemed perfect for her little trinkets. However, its quality and style so took me upon receiving it, I decided to keep it for myself! The jewelry box is small, but it holds a lot with a double-layer structure that provides ample storage space for various types of jewelry. It easily accommodates rings, necklaces, and other small accessories without clutter. One of the highlights of this product is its portability. Its compact size makes it an ideal travel companion. I've taken it on several trips, and it has proven incredibly convenient. It keeps all my jewelry neatly organized and easy to find, eliminating the hassle of untangling necklaces or searching for a matching earring.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 1, 2023
I
Verified Purchase
I didn’t receive the item and I let Amazon know the item was not delivered. Apparently, they don’t care to follow up with my lost order. Hummm, I wonder how the owner of Amazon would solve this problem.
San Leandro, US
★★★★★ 5
Small but nice
Color: green
Cute small jewelry box—
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
C
Verified Purchase
Catherine Moore
Fort Morgan, US
★★★★★ 5
Perfect travel mate!
Color: Black, Color: Black
I love this small travel jewelry case. It is a great size for a vacation anywhere. I like how everything has a place to keep you well organized. Great value for the money and good quality material. so easy to snap shut and put in your suitcase. Sleek and black color that is classy.
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Reviewed in the United States on December 12, 2025
C
Verified Purchase
Christine
Battle Creek, US
★★★★★ 3
Closing it when you have a ring.
Color: Black, Color: Black
Its a nice box but the problem i have with it is the middle piece. It does not give enough room if you have a ring that sits high like a cocktail ring. And same if you have a pendant necklace in the necklace area. You have ro really force it closed and i worry that it will put pressure on the items. It would work better without that middle piece for earrings or maybe if it were half the size. Closes fine when its empty but the minute you put a ring in the ring spot that has any kind of height you have to squeeze it shut. Its a good little box that you can put in a safe. Thats why i use it. Just to put my good jewelry in it and then secure it properly in a small house safe. Also ive already had the backs of a few earring pop off when I've opened the earring flap because it all rubs together. .
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Reviewed in the United States on February 14, 2026
G
Verified Purchase
G. M.
Waukegan, US
★★★★★ 5
Super usefull
Color: pink
If you're in search of a stylish and functional way to organize your jewelry while on-the-go, then this pink travel jewelry organizer is definitely worth considering. With its compact design and thoughtful features, it's the perfect accessory for any traveler or jewelry lover. One of the standout features of this organizer is its size. With a compact design that can easily fit into a purse or suitcase, it's perfect for taking your jewelry with you on the go. And despite its small size, it still offers plenty of storage options - from compartments for necklaces and bracelets to slots for rings and earrings, it can hold all of your essential pieces. But beyond its size, this travel jewelry organizer is also incredibly stylish. The soft pink color adds a feminine touch, while the sleek design and gold-tone hardware give it a sophisticated look. It's the perfect accessory to carry with you on any trip or to use as a daily storage option for your jewelry. Another great feature of this organizer is its thoughtful design. The compartments and slots are all padded to protect your jewelry from scratches and damage, while the zippered closure ensures that everything stays secure and in place. Plus, the compact design means that you won't have to worry about your jewelry getting tangled or jumbled together during travel. Overall, if you're in need of a travel jewelry organizer that is both stylish and functional, this pink option is definitely worth considering. With its compact size, ample storage options, and thoughtful design features, it's a great investment that will help you keep your jewelry organized and protected while on the go.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 22, 2023

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