Efficient 4" speakers?

Simon16v · 18th November 2011, 02:52 PM

I'm looking for the highest 'sensitivity' most 'efficient' loudest midrange/fullrange speakers for a new project I'm doing.

Currently I'm using 2 x 4" car speakers with a sensitivity of 88db

I can stretch to a 5" but would rather keep them small as its for a portable.

I'm on a budget, so cheaper the better...anything under £100

The quality is not a massive issue nor the bass output

I wonder if you can recommend me any?

IG81 · 18th November 2011, 03:22 PM

I heard good things on this one:

4FE30 4'' MID HIGH SPEAKER

At about 60% of the regular going price, Recone Kits offers a good deal, especially for a driver with a neo-magnet. Maybe it's cheaper in Europe locally or online too for you since it's an Italian mfg. 91dB is not bad at all for 4" IMO.

IG

planet10 · 18th November 2011, 03:47 PM

Sd is a term in the equation for the efficiency of a loudspeaker so is a limiting factor in effiecincy. The most efficient of the usual candiadates is the FE126En (a 4.5" driver)

dave

Simon16v · 18th November 2011, 04:18 PM

Nice, They look great. Thanks

Do you know any in 4Ohm?

Saturnus · 04:26 PM

The Monacor SP-60/4 is the best 4" high efficiency, almost full-ranger that can also play real bass at a reasonable cost. Highly recommendable. A true gem.

SP-60/4 - Monacor HiFi bass-midrange speakers 60Wmax 4Ω - Europe Audio

It's "only" 90dB/w/m but it's also 4 ohms so for all intent and purposes except battery life if that's an issue it's equal to a 93dB/w/m 8 ohms driver (like those suggested above).

Boden · 18th November 2011, 04:29 PM

I am afraid, once the Monacor is Baffle Step corrected, its real efficiency will be around 84 db/m.

Eelco

Saturnus · 18th November 2011, 04:35 PM

Quote:

Originally Posted by Boden

I am afraid, once the Monacor is Baffle Step corrected, its real efficiency will be around 84 db/m.

That would be the case of all 4" drivers in compact enclosures so why single out the Monacor? It's absolutely brilliant for the price.

And there are tricks to avoid having to baffle-step correct any driver, so why even bother posting it?

18th November 2011, 02:52 PM	#1
Simon16v diyAudio Member Join Date: Nov 2010	Efficient 4" speakers? I'm looking for the highest 'sensitivity' most 'efficient' loudest midrange/fullrange speakers for a new project I'm doing. Currently I'm using 2 x 4" car speakers with a sensitivity of 88db I can stretch to a 5" but would rather keep them small as its for a portable. I'm on a budget, so cheaper the better...anything under £100 The quality is not a massive issue nor the bass output I wonder if you can recommend me any?

18th November 2011, 03:47 PM	#3
planet10 frugal-phile(tm) diyAudio Moderator Join Date: Oct 2001 Location: Victoria, BC, NA, Sol III Blog Entries: 4	Sd is a term in the equation for the efficiency of a loudspeaker so is a limiting factor in effiecincy. The most efficient of the usual candiadates is the FE126En (a 4.5" driver) dave __________________ community sites t-linespeakers.org, frugal-horn.com ........ commercial site planet10-HiFi p10-hifi forum here at diyA

18th November 2011, 04:22 PM	#5
Saturnus diyAudio Member Join Date: Jun 2005 Location: Copenhagen, Denmark	The Monacor SP-60/4 is the best 4" high efficiency, almost full-ranger that can also play real bass at a reasonable cost. Highly recommendable. A true gem. SP-60/4 - Monacor HiFi bass-midrange speakers 60Wmax 4Ω - Europe Audio It's "only" 90dB/w/m but it's also 4 ohms so for all intent and purposes except battery life if that's an issue it's equal to a 93dB/w/m 8 ohms driver (like those suggested above). Last edited by Saturnus; 18th November 2011 at 04:26 PM.

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18th November 2011, 03:22 PM	#2
IG81 diyAudio Member Join Date: Feb 2008	I heard good things on this one: 4FE30 4'' MID HIGH SPEAKER At about 60% of the regular going price, Recone Kits offers a good deal, especially for a driver with a neo-magnet. Maybe it's cheaper in Europe locally or online too for you since it's an Italian mfg. 91dB is not bad at all for 4" IMO. IG

18th November 2011, 04:18 PM	#4
Simon16v diyAudio Member Join Date: Nov 2010	Nice, They look great. Thanks Do you know any in 4Ohm?

18th November 2011, 04:29 PM	#6
Boden diyAudio Member Join Date: Mar 2010	I am afraid, once the Monacor is Baffle Step corrected, its real efficiency will be around 84 db/m. Eelco

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