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View Full Version : Speaker Frequency Range - What does it mean ?



RobbieGong
04-06-2020, 12:21
I'm curious about two speaker frequency ranges. What does it mean in terms of treble, mid and bass levels, extension, sound etc.

This would be in the context of a room of 3.5 x 4 mtrs, wooden suspended floor.

I'm know there'll likely be other factors to consider, but I'm just looking for a general expectation and difference, in regard to the two specs and what they mean, generally:


Speaker A

Frequency Response 32Hz - 25kHz
Crossover Frequency 3.7 kH


Speaker B

Frequency response – 29Hz – 25kHz
Crossover frequencies 900Hz, 3.2kHz

Beobloke
04-06-2020, 14:54
Unfortunately, all you can tell definitively from those specifications is that (A) is a two-way speaker and (B) is a two and a half or three way!

Whilst the 29Hz compared to 32Hz suggests that B may go lower in the bass, the numbers are meaningless without some sort of decibel limits on them. If they're both -3dB figures (i.e. the point at which the speaker's output has dropped by 3dB from its nominal sensitivity) then B does go lower, but if A is 32Hz at -3dB and B is 29Hz at -10dB, all bets are off!

hifi_dave
04-06-2020, 15:12
As above. You can't tell anything from the figures without dB limits and even then, the bass response is altered by the room dimensions and HF by the furnishings etc.

Crossover frequencies mean almost nothing to anyone except the designer.

Lawrence001
04-06-2020, 22:24
Even with dB ranges, I've seen some quote anechoic conditions (eg Kef years ago, not sure about now) and others "in room response" but no idea what room [emoji38]

Macca
05-06-2020, 06:39
Even with dB ranges, I've seen some quote anechoic conditions (eg Kef years ago, not sure about now) and others "in room response" but no idea what room [emoji38]

Yes 'in room' figures are a bit of a cheat, like quoting amplifier power in PWPMO (or whatever it is)