Heco Elementa 300

2-way bass reflex speaker

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Unit of MeasurementPair

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The compact 2-way bass reflex shelf speaker in the Elementa range is also equipped with a 170 mm chassis, which caters for both low and mid-range frequencies. The high-performance 28 mm silk compound dome with its ferrofluid cooling and powerful double ferrite magnet system ensures a clear, detailed and pleasant treble range. An elegant appearance is guaranteed thanks to the stylish silk matt lacquer finish, which is optionally available in black or white, while the rounded sides of the sturdy MDF housing complete the chic look. Gold-plated and encapsulated screw terminals at the rear of the speaker ensure high contact stability.






• Tweeter with 28 mm silk compound dome, ferrofluid cooling for high capacity, powerful ferrite double magnet system and waveguide aluminium face plate

• Woofer and midrange with light long-fibre conen, flat long-fibre dustcaps, long-throw surrounds and highperformance voice coils, optimised for low-distortion signal transmission

• Woofer and midrange with solid, aerodynamic aluminium die-cast baskets which have a diamond polished surface




• Noble semi matte painting

• Solid construction using MDF panels and elaborated struttings, rounded side panels

• Removable cloth protection cover with hidden magnetic

• Bass reflex construction with two (700) airflowoptimised and screwed reflex tubes

• Solid aluminium cross beams with height-adjustable massive metal cone spikes (700)

• Exchangeable metal (700)/rubber spike tips for an optimum adaptation to the floor type




• Elaborated phase and amplitude optimized crossover with high-quality components

• Tweeter level adjustment ‚linear’ / ‚+2dB’ (700)

• High-quality connecting terminal with solid, goldplated and capsulated screw connectors

• Bi-wiring/Bi-amping option (700)







• Adjustable volume and crossover frequency

• Adjustable bass equalizer 0 to +6 dB

• Adjustable phase 0° bis 180°

• Stereo low level outputs for connection to an amplifier without sub-out

• Automatic standby circuit

• Mains switch

• Switchable mains voltage 115/230 V




• High-power long-throw woofer with hardened paper cone, high-performance voice-coil and powerful ferrite magnet system

• Long-throw bass-radiator for an extended bass range

• Woofer and bass-radiator in sidefire configuration




• Noble semi matte painting

• Solid construction using MDF panels, rounded side panels

• Innovative Extended Surface Damper (ESD) for a safe grip




• High-performance Class-D power amplifier

• Real-time Limiter for maximum power at high levels

• Active SPL equalization

• Standby circuit with low power consumption <0.5 W






2 way floorstanding speaker, bass reflex


6.5” woofer-midrange

1” dome-tweeter

Power handling (RMS/max.)

90 / 150 watts


4 - 8 Ω

Frequency response

32 - 45.000 Hz
Crossover frequencies

3.200 Hz

Recommended Amplifier Output

30 - 150 watts


90 dB

Cabinet surface

Black satin, white satin

Dimensions (W x H x D)

226 x 368 x 325 mm incl.


7.5 kg

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