Hertz ES 300.4

Energy ES subwoofers were designed to work best when used in small enclosures. However, their electro-acoustic parameters are optimised for use in many different enclosure types; both in terms of typology (sealed box, reflex, bandpass, etc. ) and in size, insuring extraordinary versatility and performance. The use of a long excursion mobile voice coil and high flux density double magnet have created subwoofers that can stand very high power with outstanding musicality and bursting dynamics. The special anti-scratch finish and butyl rubber rings offer protection and an aggressive look.

• Component - Subwoofer
• Size - 300 mm (12)
• Power Handling continuous - peak 700(Watt)continuous program 350(Watt)
• Impedance - 4 Ohm
• Frequency response - 25/250 Hz
• Sensitivity - 91.6 dB/SPL
• Outer diameter - 312 mm
• Mounting hole diameter - 276 mm
• Magnet size - 141 mm
• Total depth - 143 mm
• Mounting depth - 128 mm
• Total driver displacement - 1.8 lit
• Weight of one component - 5,600 kg
• Voice coil diameter - 60 mm
• Magnet - Double magnet, High density flux ferrite
• Cone - Water repellent, pressed paper cone
• Xmech* - 14,5 mm

*Xmech* maximum mechanic excursion: it indicates the motion rangein the speaker linear functioning area, in both ways.

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