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SCM20ASL LE EL50 SCM50SE SCM100SE SCM150SE

EL50 ANNIVERSARY

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.

ELLIPTICAL CURVED CABINET FOR LOW DIFFRACTION

ATC 9”/234MM 'SL' BASS DRIVER

ATC 3”/75MM 'SUPERDOME' MID-RANGE AND 1”/25MM 'S-SPEC' TWEETER

ATC 3-CHANNEL DISCRETE 'AMP-PACK'

BALANCED INSTRUMENTATION INPUT COMBINING HIGH CMRR AND VERY LOW NOISE

4TH ORDER ACTIVE CROSSOVERS IMPLEMENTED WITH LOW-NOISE DISCRETE CIRCUITRY

MOSFET CLASS A-B POWER STAGES DELIVERING 200W BASS, 100W MID AND 50W HIGH-FREQUENCY

POWER ON/OFF TRIGGER INPUT AND LINK OUTPUT

DC OFFSET AND THERMAL AMP PROTECTION

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)

Matched Response: +/-0.5dB

Crossover Point: 380Hz & 3.5kHz

MaxSPL: 112dB (per pair, IEC Weighted Pink Noise, 1m, anechoic)

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


ELECTRONIC SPECIFICATIONS

Balanced Input: Rear panel mounted female XLR, pin 2 +ve

Input Impedance: 20kΩ

Input CMRR: >80dB (20Hz- 10kHz)

Input Sensitivity: 2.2dBu/1V or 8.2dBu/2V (switched, ref. full output)

Crossover Filters: 4th Order Linkwitz Riley

Amplifier type: Grounded Source MOSFET, class A/B, convection cooled (fan-less)

Output Power:

Bass:200W (8Ω, continuous average, 0.1%THD)

Mid: 100W (16Ω, continuous average, 0.1%THD)

HF: 50W (8Ω, continuous average, 0.1%THD)

THD+N: 0.0015% / -96dB (1kHz, 1dB below rated power, 90kHz BW)

Frequency Response: 8Hz-190kHz

Limiter: FET momentary gain reduction, all channels

Electronic amp protection: Amplifier d.c. offset and over-temperature (both indicated by rear panel LED)

Mains Input: 220-230V / 110-115V factory set. Please observe panel markings and labels!

Power Trigger Input/Link: 2 x rear panel mounted, Switchcraft L712RA

Power Consumption: Idle 77W / 105VA, 1/8th Power 240W / 315VA, Full Power 600W / 730VA

Heat Output: Idle 77W / 263BTU, 1/8th Power 184W / 628BTU, Full Power 250W / 853BTU


PHYSICAL SPECIFICATIONS

Net Weight: 63kg / 139lbs

Dimensions: HxWxD 1421x459x352mm 5515/16” x 181/16” x 13 7/8”

Loudspeaker Technology Ltd, Gypsy Lane, Aston Down, Stroud, Gloucestershire, GL6 8HR.
Tel: +44 (0)1285 760561 Fax: +44 (0)1285760683 Email: info@atc.gb.net

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