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Main Monitor System – 3/4 Scale 3-Way Monitoring System— Beryllium / 12" / 15"
£20,546
Very GoodReverb11d agoLocal pickup available
Sold by
A
Atlantic Supply Group's Inventory
Details
- First Seen
- 29 October 2026
- Last Seen
- 9 November 2026
- Times Seen
- 20
About this listing
Main Monitor System – 3/4 Scale 3-Way Monitoring System— Beryllium / 12" / 15" is a used item in very good condition, listed on Reverb. The asking price is £20,546. It is offered by Atlantic Supply Group's Inventory through Reverb. Local pickup is available. It is in our Studio Monitors category. Used Gear Hunter first saw this listing on 29 October 2026 and last saw it on 9 November 2026. It has been seen 20 times in our scans. Prices are converted from the seller's currency when we scan the listing, so the amount you pay may differ slightly. The seller sets shipping, and import duty or VAT may apply, so check the final cost and the item's details on Reverb before buying.
From the seller
Custom 3/4-Scale Three-Way Main Studio Monitor System — Beryllium / 12" / 15"
$27,500 OBO | Complete Amplified Reference Monitoring System
If you know, you know. The absolute best of the best. No compromise.
An exceptional opportunity to acquire a professionally engineered, 3/4-scale main monitoring system from Coyote Sound, designed to deliver the authority, precision, and dynamic capability of world-class control room mains in a more manageable footprint.
Built for serious recording, mixing, and mastering environments, this system combines premium professional transducers, beryllium high-frequency reproduction, substantial low-frequency capability, and meticulously fabricated custom enclosures.
Every aspect of the system was developed with a singular objective: uncompromising reference monitoring.
Massive-format impact. Lightning-fast transient response. Effortless headroom.
Three-Way Reference Architecture
Premium 1.4" throat beryllium compression drivers
High-performance 12" mid-bass transducers
High-excursion 15" low-frequency transducers
Custom wooden high-frequency horns
Dedicated active crossover and system processing
Professional multichannel amplification
The result is a commanding, highly revealing monitoring platform capable of reproducing the full frequency spectrum with exceptional detail, scale, and dynamic authority.
Acoustic Performance
Approximate F3: 24 Hz
Low-frequency reproduction extending to approximately 27 Hz
Full-range, high-headroom three-way architecture
Ideal for appropriately treated professional control rooms
Suggested room size: approximately 200–400 sq. ft., depending on acoustic design and installation
Complete Amplification & Processing Package
Included with the system:
Bryston 4B ST professional amplifier
Two Crown K2 professional amplifiers
Crown Macro-Tech 5002VZ amplifier
BSS FDS-336 digital system processor
Furman rackmount power distribution
Professional equipment rack
Associated system cabling
The amplification and processing package is configured to support the complete three-way monitoring architecture.
Custom Cabinet Construction
The enclosures feature substantial professional-grade construction, custom-fabricated wooden horns, and a distinctive midnight-blue automotive finish with deep double-metallic flake.
Bright-blue horn assemblies provide a striking visual contrast.
These are not ordinary production loudspeakers. They are purpose-built studio monitoring instruments, representing extensive investment in cabinet fabrication, acoustic engineering, finishing, and system integration.
Professional Deployment
The system was developed for a professional recording studio environment and is suitable for buyers seeking a serious alternative to conventional nearfield and midfield monitoring.
Photographs document the cabinets in their finished condition and original studio environment.
Professional installation, soffit integration, acoustic design, and system commissioning services may be available by separate arrangement.
Sale & Logistics
Offered as a complete stereo monitoring system with amplification and processing.
Asking price: $27,500 or best reasonable offer
Located in Connecticut
Local inspection and pickup by arrangement
Nationwide freight shipping can be coordinated at buyer's expense
Serious inquiries welcome
Detailed technical information, system configuration, and additional photographs are available to qualified buyers.
A rare opportunity to acquire a fully realized, large-format professional monitoring system without undertaking the expense, complexity, and development time of commissioning a comparable custom build.