Sub sensitivity

[kanihoncho]

What is a good sensitivity that I should I be looking for in a sub when my 4ch speakers have a sensitivity of 93 dB (at 2.83 V). Should I be looking for similar specs or is it a completely different equation? I do see different sensitivities at different voltages and do not know how to compare them . . .

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[1aespinoza 10+ year member]

Should I be looking for similar specs

Not at all. Only the speaker's sensitivity is what counts in the front stage. 90dB and above is a good target.

 

[pickup1 5,000+ posts]

Sensitivity is usually measured 1watt 1 meter. I'd go by that.
Higher the better on subs too. Less power to get louder. Every 3 DB gain is like doubling your amplifier power.

 

[audiobaun 5,000+ posts]

Sensitivity is usually measured 1watt 1 meter. I'd go by that.
Higher the better on subs too. Less power to get louder. Every 3 DB gain is like doubling your amplifier power.

Great information here. Thanks!

 

[Jimi77 5,000+ posts]

Don't forget Hoffman's Iron Law. You can have 2 of the 3: low end, efficiency/sensitivity or small enclosure size.

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