Epos ES7n

Epos are back!
Manufacturer: Epos
Availability: Out of stock - on backorder and will be dispatched once in stock (3-4 week lead time).
Manufacturer part number: Epos ES7n

When Epos re-entered the market with the award winning ES14n, the longterm plan was to have a 3 model range. While the bigger floorstanding speaker is someting for the future, the new ES7n is the latest mini monitor to hit the market. 

Borrowing the tweeter from the ES14n, but marrying it to a 7" Mid/Bass driver in a front ported cabinet, Epos have designed a product slightly out of the norm. Designed to sit in often seen IKEA bookcases, the ES7n has a crossover switch on the back, so you can please it easily against a wall or the confines of a cubed shelf space. Very clever and sure to appeal to a wide range of users who don't have the ability to standmount speakers either side of a Hifi rack, but still want to retain an open detailed sound. 

First stocks are due at the End or March/Early April - call us on 0208 930 9933 to arrange a demo or Pre Order now for the first allocation

Impedance: 4 Ohm, minimum 3 Ohm at 15kHz

Sensitivity: 2.83V, 1m: 86dB/89dB

Woofer: 130mm PP cone woofer  

Tweeter: 28mm ceramic coated Aluminum dome 

Crossover Frequency: 2.000 Hz 

Dimensions: 290 x 200 x 270 mm (HWD)
Stand: recommended height
around 700 mm 

Weight: 7,6 kg

Finish: Orange semi matte, Walnut, White semi matte, Black semi matte 

The cabinet uses 2x8mm MDF panels with a high-loss damping layer in between to control unwanted resonances of the box itself. An additional wooden block on the top helps to optimize the Stereo image. Only a single brace was necessary to make the cabinet quiet. Four inserts on the bottom take 4mm screws, and the speaker comes delivered with silicon rubber spikes for good isolation between the speaker and the ground.
The stand for EPOS ES-7N should be around 70cm high.

The port tube is somewhat tricky, as it sits on the side of the cabinet – not the best place if you want to minimize the tube output of the standing wave modes inside the cabinet. So, finally, the solution is a bent port that ends up in the middle between the two side panels. It features selective damped ventilation holes in the middle and so controls the output in the critical mid-band very well.

The speaker’s layout for both Stereo channels is asymmetric – please place the tweeter to the inside for best performance.

The crossover features a switch to choose between two versions of tonal balance.
With the switch in the top position, the best placement is at some distance from a wall between 30cm and 50cm.
In the bottom position, the speaker should play close to a wall or inside a bookshelf. Please try both positions to find the best result in your room.

The filter itself uses a mixture of PP capacitors, Polyester capacitors and low-loss Electrolytic capacitors; almost all inductors are air cores, and the important resistors are all non-inductive custom-made versions.

Like always on EPOS speakers, all parts are finally chosen by ear.

The response curve has been tailored to use the speaker in semi-free air or very near a wall.

The bottom-end roll-off is flat to deal with the room/wall gain at low frequencies and to avoid booming bass. The speaker’s sensitivity is around 86dB for Position up and 89dB for Position down of the switch.

With the constant electrical impedance of around 4 Ohm and low phase shift, ES-7N is an uncritical load for amplifiers, making it possible to use many different types.

The 30mm voice coil with glass fibre/Epoxy former works in a magnet system with an impedance control ring to minimize distortion and Intermodulation. A double magnet compensates the stray field and increases the force of the coil. As in any such small speaker, the crossover must be close to the driver, and the compensation magnet helps to avoid interaction with the inductors of the filter.

The woofer is a new design, using – similar to ES-14N – Mica-filled polypropylene cone material made with injection moulding. A low hysteresis rubber surround and a Nomex high-temperature capable spider ensure the suspension is linear with good control of higher excursions.

The tweeter of ES-7N is identical to the tweeter of the ES-14N, giving the new model the same top-end quality. It’s a 28mm voice coil on an Aluminum alloy, ceramic-coated dome with a powerful Ferrite magnet and optimised inter-cavity airflow.
The tweeter does not use Ferrofluid in the gap for stable temperature and low compression.

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