Description

The EMS-51 is completely passive, yet outperforms many bi-amplified or DSP-processed designs. The enclosure contains a 5” (127mm) LF drive unit, linked via the internal passive crossover network to a 1.1” (28mm) diaphragm HF soft dome drive unit which produces a 75° conical dispersion pattern. Unusually for a loudspeaker of this size, it is an infinite baffle design which gives a smoother LF rolloff and a much more robust LF performance than would be expected from an enclosure of this size.

Enclosure Type Two-way passive, infinite baffle
Components 1 x 5″ (127mm) LF drive unit
1 x 1.1″ (28mm) HF soft dome drive unit
Dimensions (HxWxD), mm/ins 250 (9.9) x 140 (5.5) x 175 (6.9)
Net/Shipping Weight 4.5/5.3kg (9.9/11.7lbs)
Frequency Response 80Hz – 20kHz ± 3dB
Nominal Dispersion 75° conical (-6dB points)
Maximum SPL 113dB continuous, 119dB peak
Loudspeakers per amplifier DQ6: 4 per channel, DQ10: 4 per channel, DQ20: 4 per channel
Power Handling 200W RMS, 400W program
Nominal Impedance 8 ohms