- New
„Two-way reflex loaded bookshelf speaker.“
Many customers asked for a smaller speaker, so the development group created a smaller baby EPOS. This speaker should be a real bookshelf with a size small enough to go into typical IKEA designs for example. But how to make it?
Smaller speakers are especially giving the designer some severe headaches. This has something to do with the size of the front baffle and the small baffle’s influence on a speaker’s response curve. A design for free space should be different from one that plays close to a wall or inside a bookshelf.
In order to work in a semi-free space (some distance from a wall) and on a wall, the crossover filter can be changed with a switch on the backside of the speaker.
Now, you are free to choose the place of your speakers without making compromises in tonal balance.
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 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 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.
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