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How to convert Martin Audio AQ8 speakers into non 100v


Standard Member
Hi all

I've acquired some awesome sounding Martin audio aq8 speakers, I've quickly tested tested them on a normal amp and they sound fantastic. I am under the impression that they could be damaged if used continuously like this. Is there a way of converting them for normal use (removal of transformer) without loss of sound quality. Also is there anywhere that supplies the cabinets as they are in need of a bit of tlc.

Thank you


Distinguished Member
First, are you sure they are 100v line speakers?

Look at the speaker at the top of the page in this link -

Name: E.L.C. East London Components 100V LINE CEILING SPEAKER

Notice the BLUE Transformer on it. That is what converts it from a normal speaker to a 100v line speaker. The Transformer should have little or no effect on the sound quality. It is even possible that the speaker will sound better without the transformer. Though I can't guarantee that.

Next are you really and truly sure these are 100v line speakers. The references I'm finding indicate they are a standard passive 8 ohm speaker -

Professional Loudspeaker Systems. Martin Audio Ltd.

Is it possible that someone has added the 100v Line Transformer to these passive speakers?

Last edited:


Standard Member
Many thanks for your reply Steve, it seems I may have been misinformed, these don't appear to have a transformer as you identified.
I'll continue to use these as is after abit of a revamp.

Thanks Mark

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