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Nanook 6th November 2012 11:06 PM

What is a fullrange loudspeaker (an explanation)?
It seems to me there is some confusion as to what is a fullrange speaker for the purposes of this forum.

A fullrange loudspeaker is one that uses a single (or multiple) driver(s) to cover the complete (or a significant portion of the) frequency range. These can sometimes be "helped" with a tweeter(s) or a woofer(s). Often, the fullranger covers from 100Hz to 15kHz, (or a similar range based on the particular fullranger or wide range driver being used).

So folks, if seeking help for a typical multi-way loudspeaker project, please post under "multiway", not "fullrange". It can help those seeking help to end up where they need to be.

For mods: please make this a sticky if you feel suitable.


larryldspkr 6th November 2012 11:14 PM

Single driver handling the FULL RANGE!


Melo theory 6th November 2012 11:19 PM

I know you are not asking what a FR loudspeaker is.
Are you asking others opinions on this?
Are you moderating which threads go where?

GM 7th November 2012 12:00 AM


Originally Posted by larryldspkr (
Single driver handling the FULL RANGE!


Define 'full range'. I mean when I entered this hobby, 'full range' reproduction was nominally flat from 50 -11,000 cps [Hz] and even then a two way was considered the minimum acceptable for good power handling.

For a single driver, 'full range' was 75 - 7000 cps [Hz], so to my way of thinking [and promoting for as long as I've been using them], any single driver speaker system with a powerful enough 'FR' driver to handle this BW can/should have a super tweeter and/or [sub] bass system to handle today's near live audio reproductions.

All that said, now that folks are finally starting to embrace my way of using 'FR' drivers ;), I believe it's time to add another forum for these wide BW 'mids' multiple driver systems and keep the 'FR' forum a single driver one and maybe best to rename it as such since there are no single drivers capable of handling some of today's recordings, hence can't be 'full range' capable.


tvrgeek 7th November 2012 12:31 AM

Martin Logan. Quad. My Grado cans? OK, not a dynamic cone. GM is hitting on a significant point. Most of the "FR" drivers are pretty good candidates as wide band mids where the crossovers are outside the critical 2 to 5K range. I am not sure that is significant enough to not just include that application in multi-way leaving this for attempts to use a single driver type to be a musical as possible. So the desktop speakers I made with FE85'sw are full range ( 150 to 8K) but I may use it as a midrange in another build, 500 to 5K. So the full range thread is for speaker systems with no crossover. ( not no network) Doers that exclude a 1.5 way if both drivers are the same? Best not to worry about it.

adason 7th November 2012 12:36 AM

i bet this will start pretty pointless discussion

Bare 7th November 2012 01:34 AM


Originally Posted by tvrgeek (
Martin Logan. Quad. My Grado cans? Best not to worry about it.

Martin Logans have a Cone LF / bass driver, Quad ESLs didn't do an overly wide range, at least not effectively.

planet10 7th November 2012 01:57 AM


Originally Posted by tvrgeek (

Quad 57s are 2-way


ultrakaz 7th November 2012 02:59 AM

Holy grail or oxymoron.

phivates 7th November 2012 04:32 AM

FR covers what's essential to understanding the material. Whether music or just speech, 100 to 10k Hz is sufficient, and any decent fr driver gets close enough. I want and appreciate more yet the fact remains that my musical education has been based on simple single speakers in cars or radios, or the real music from a piano or choir or any other actual musical experience. JMO once again.
My current basement system is a 6.5 whizzer cone Matsu in a borrowed Teac box. It never fails to present a voice or a hall honestly. It does tell me when a record is compiled from multiple sources time wise. Ambiance is hard to fake.

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