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ATC EL50 Anniversary Active Loudspeakers

£49,500.00

The ATC EL50 Anniversary Loudspeaker is a refined evolution of ATC’s legendary 50 series design, combining reference-grade active performance with distinctive elliptical cabinet styling inspired by the original EL150. Featuring ATC’s fully discrete tri-amp architecture, a 9-inch SL bass driver, the renowned 3-inch Super Dome midrange and S-Spec tweeter, the EL50 delivers exceptional clarity, dynamic authority and tonal accuracy.

Its low-diffraction curved enclosure optimises mid and high-frequency dispersion, while premium veneers and leather detailing reflect the craftsmanship behind this no-compromise active loudspeaker system.

Available in-store only. Limited to 50 pairs worldwide.

Category Active Loudspeaker
Country UK
Manufacturer ATC

The ATC EL50 Anniversary Loudspeaker is a refined evolution of ATC’s legendary 50 series design, combining reference-grade active performance with distinctive elliptical cabinet styling inspired by the original EL150. Featuring ATC’s fully discrete tri-amp architecture, a 9-inch SL bass driver, the renowned 3-inch Super Dome midrange and S-Spec tweeter, the EL50 delivers exceptional clarity, dynamic authority and tonal accuracy.

Its low-diffraction curved enclosure optimises mid and high-frequency dispersion, while premium veneers and leather detailing reflect the craftsmanship behind this no-compromise active loudspeaker system.

Available in-store only. Limited to 50 pairs worldwide.

Category Active Loudspeaker
Country UK
Manufacturer ATC

 
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  • Acoustic Specifications

    • Bass Driver: SB75-234SL, 8Ω

    • Mid Driver: SM75-150S, 16Ω

    • High-Frequency Driver: SH25-76S, 6Ω

    • Low Frequency Cut-Off: 32Hz (-6dB, anechoic)

    • High Frequency Cut-Off: 25kHz (-6dB)

    • Frequency Response (System): 32Hz – 25kHz (-6dB)

    • Matched Response: ±0.5dB

    • Crossover Points: 380Hz & 3.5kHz

    • Maximum SPL: 112dB (per pair, IEC weighted pink noise, 1m, anechoic)

    • Sensitivity: -17.5dBu (85dBC @1m, pink noise, per speaker, anechoic)

    Electronic Specifications

    • Input: Balanced XLR (pin 2 positive)

    • Input Impedance: 20kΩ

    • Input CMRR: >80dB (20Hz–10kHz)

    • Input Sensitivity: 2.2dBu / 1V or 8.2dBu / 2V (switchable, reference full output)

    • Crossover Type: 4th order Linkwitz-Riley active

    • Amplifier Type: Grounded Source MOSFET, Class A/B, convection cooled

    Output Power (Continuous, 0.1% THD)

    • Bass: 200W (8Ω)

    • Mid: 100W (16Ω)

    • High: 50W (8Ω)

    • THD+N: 0.0015% (1kHz, 1dB below rated power, 90kHz BW)

    • Amplifier Frequency Response: 8Hz – 190kHz

    • Limiter: FET momentary gain reduction (all channels)

    • Protection: DC offset and over-temperature (rear panel LED indication)

    • Mains Voltage: 220–230V or 110–115V (factory set)

    • Power Trigger: 2 × rear-mounted Switchcraft L712RA

    Power Consumption

    • Idle: 77W

    • 1/8 Power: 240W

    • Full Power: 600W

    Physical Specifications

    • Dimensions (H × W × D): 1421 × 459 × 352mm

    • Weight (Net): 63kg per speaker

    • Free Delivery within Mainland UK.

    • 30-Day Money-back Guarantee

    • Returns Policy

ATC EL50 Anniversary Loudspeaker

ATC is delighted to introduce the EL50 Anniversary to audiophiles and music lovers seeking long-lasting high performance, design and engineering quality. It is the latest evolution of the legendary ATC 50 loudspeaker design, featuring ATCs discrete active tri-amp technology, renowned drive units and a new elliptical curved cabinet for optimal radiation from the mid and high-frequency drive units. Its industrial design draws from the EL150, released in 2006, the first ATC loudspeaker to employ an elliptical enclosure and designed by Billy Woodman. Leather detailing on the front face and beautiful hand-selected veneers further elevate the design.

Key Features

  • Elliptical curved cabinet for reduced diffraction

  • 3-way active design with discrete tri-amplification

  • ATC 9” (234mm) SL bass driver

  • ATC 3” (75mm) Super Dome midrange driver

  • ATC 1” (25mm) S-Spec tweeter

  • 3-channel discrete ATC amplifier pack

  • Balanced XLR input with high CMRR and low noise

  • 4th order active crossovers (Linkwitz-Riley)

  • MOSFET Class A/B amplification (fan-less convection cooled)

  • Power trigger input and link output

  • DC offset and thermal protection