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AR-7 overhaul and power question?


Guest Bradders

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Guest Bradders

Hi all!

I'm new to the forum so I'll quickly introduce myself.

I'm Bradders, I live in London, England and I'm 30 years old (3 years younger than my speakers!).

I have been passed down a pair of AR-7's by my father which he bought new in 1975. They have the 200001 model woofer. They have never been opened up before!

They have suffered the infamous "foam rot" and I am going to overhaul them.

Not knowing much about speakers at the time, I'm sorry to say that I played them for some time before I thought to take the front covers off them and found the damage the years have inflicted...

Is there anything extra I should check considering this?

I am going to use M-Sound to purchase the necessary parts for the over-haul as they seem to be well recommended on this site.

Does anyone know the Max and Mean Power figures for these speakers. I don't want to over-drive them when all is done and dusted!

Many thanks,

Bradders

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Guest rbrumett
Hi all!

I'm new to the forum so I'll quickly introduce myself.

I'm Bradders, I live in London, England and I'm 30 years old (3 years younger than my speakers!).

I have been passed down a pair of AR-7's by my father which he bought new in 1975. They have the 200001 model woofer. They have never been opened up before!

They have suffered the infamous "foam rot" and I am going to overhaul them.

Not knowing much about speakers at the time, I'm sorry to say that I played them for some time before I thought to take the front covers off them and found the damage the years have inflicted...

Is there anything extra I should check considering this?

I am going to use M-Sound to purchase the necessary parts for the over-haul as they seem to be well recommended on this site.

Does anyone know the Max and Mean Power figures for these speakers. I don't want to over-drive them when all is done and dusted!

Many thanks,

Bradders

There are some brochures here but here are some attachments!

AR_7_Brochure.zip

AR_7_Equipment_Test_Hirsch_Houck_Labs.pdf

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Guest rbrumett
Thanks for the brochures!

Does anyone know the power figures for the AR-7's?

The rec. min. power is 15wrms. What are the power amp specs for your system?

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I've not got the amp at home right now so I'm not sure.

Will let you know when I next see it!

Hi there;

AR's last published fuse data suggested that the AR-7 was handling well over 1,000 watt peaks.

This does not mean that we can run them full open, fused or not.

Anticipate a moderate volume level for long term usage, fused that is.

Vern

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