75 3.0 litre back box

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Bruce
Gold
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Posts: 187
Joined: Tue Mar 22, 2005 10:09 am
Location: Four Ashes, UK

75 3.0 litre back box

Post by Bruce » Sat Apr 16, 2011 3:05 am

.. it's very heavy but seems to be well made, had it now for over 12 years. Anyway, what kind of design is it - absorption, reflection or other design?
Bruce
Gold
Gold
Posts: 187
Joined: Tue Mar 22, 2005 10:09 am
Location: Four Ashes, UK

Re: 75 3.0 litre back box

Post by Bruce » Tue May 03, 2011 12:34 pm

No takers on this? I have to take it apart and have a look..
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