Home Speaker Asylum

General speaker questions for audio and home theater.

Hard to get right

198.133.139.5

Piano is a very diffucult intrument to get right, especially for an inexpensive floorstander.

In general, you want something that's ruler-flat accurate i.e. flat power response (which is diffucult to achieve). Most inexpensive floorstanders exhibit a suckout ~3 kHz where the woofer and tweeter are crossed over. This suckout wrecks the sound of the piano (in my opinion) resulting in a muffled sound and a loss of the instruments natural presence and brilliance. Speakers that are sucked out this way don't sound right with piano.

Moreover, cabinet/box resonances also spoil piano music, so ideally the speaker cabinet needs to be braced well, which is not always the case with inexpensive floorstanders.

Many floorstanders also exhibit a suckout in the upper bass ~100 Hz - 300 Hz caused by the floor-bounce cancellation (a power response null caused by the position of the woofer in the cabinet relative to the floor). The floor bounce suckout weakens the "power" range of bass frequencies making pianos sound small and anemic, lacking in the body, heft and bloom of the real instrument. Only careful speaker design can minimize the floor-bounce suckout and this kind of design is not often found in inexpensive floorstanders.

The best speakers with piano that I have heard were various (stand-mounted) JBL Control/Mixing monitors. By that token, you might also want to investigate other pro-products like the Harbeth Monitor 30 and Monitor 40 as well as the Harbeth Super HL5.


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  • Hard to get right - layman 06:47:33 03/23/07 (0)


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