Yamaha EMX62M Powered Mixer with Professional Gold-Plated Audio Connectors
Electronic Audio Equipment (Powered Mixer) · Gold-plated audio-grade alloy; utilizes high-purity yellow gold over a base of nickel or brass.
Purity: Micro-layered gold plating; typically 24K (99.9% purity) for high conductivity and oxidation resistance in electronic components.

Type
Electronic Audio Equipment (Powered Mixer)
Purity
Micro-layered gold plating; typically 24K (99.9% purity) for high conductivity and oxidation resistance in electronic components.
Gold Type
Gold-plated audio-grade alloy; utilizes high-purity yellow gold over a base of nickel or brass.
Weight
The gold content is negligible (milligrams); the overall unit weighs approximately 8.0 kg (17.6 lbs).
Description
A high-performance powered mixer designed for live sound. While not a piece of jewelry, this item features critical gold-plated connectors essential for high-fidelity audio signal transfer and the prevention of terminal corrosion.
Key Features
6 channels, 200W mono output, built-in digital effects, and gold-plated tip/ring contacts in critical signal paths.
Color & Finish
Yellow gold luster on internal contact pins and external TRS/XLR jack components; the external chassis has a matte black industrial finish.
Hallmarks & Stamps
Model stamp 'EMX62M', 'YAMAHA' branding, and 'Hi-Z / Low-Z' input identifiers; no metallurgical gold hallmarks as it is industrial plating.
Dimensions Estimate
440mm x 274mm x 286mm (approx. 17.3" x 10.8" x 11.3").
Gemstones & Inlays
None; features functional plastic knobs, rubberized faders, and mechanical switches.
Clasp & Closure
Standard 1/4 inch TRS and 3-pin XLR locking input mechanisms.
Chain & Links
N/A (Rigid plastic and metal chassis).
Craftsmanship Details
Robust PCB construction with high-precision soldering; designed for thermal efficiency and road durability.
Authentication Indicators
Genuine Yamaha silk-screening, serial number plate on rear, and standardized component layout.
Origin & Maker
Yamaha Corporation; Made in China or Taiwan under Japanese engineering standards.
Era & Period
Late 1990s to early 2000s; representative of the portable 'PA in a box' analog design era.
Age Estimate
Produced circa 1998-2005.
Cultural Significance
Represents the democratization of live music, allowing small bands and venues to achieve professional sound quality.
Condition Notes
Fair to Poor; visible heavy dust accumulation, surface debris (possibly paint splatter), and significant oxidation on non-gold metal screws.
Value Estimate
Melt value: $0.00; Market resale value: $50 - $120 USD depending on functional testing.
Care & Maintenance
Requires deep cleaning with compressed air and contact cleaner (DeoxIT) for the gold-plated inputs; avoid abrasive materials on control surfaces.
Similar Items
Yamaha EMX212S, Mackie PPM series, or Behringer PMP series powered mixers.
Interesting Facts
Gold is used in electronics like this because it doesn't tarnish, ensuring that the sound quality remains crisp over decades of use in humid or salty environments.