After a long time I got the A7's painted and back together and they sound good. Well worth the all the work. After removing the front horn mounts I had gray paint to take to the paint store. Anyone know of plans for wings?
None I'm aware of, but the originals are simple enough. Each are cab height 3/4" plywood [no void preferred in HIFI/HT apps] and 10" wide framed with 2x2s with a single brace across the middle, though back then they really were 2x2s, so I recommend 2x3s. There were no triangulating braces like on the larger 210s because they were designed to be tied together with a pair of top baffles, so I recommend adding them plus using two cross braces.
800 VOTT
LOW FREQUENCY HORNS
GM
Loud is Beautiful if it's Clean! As always though, the usual disclaimers apply to this post's contents.
what kind of results can I expect?
OK I should have put them with the thread from 2 years ago which would have made sense. Probably all that lead paint dust from sanding the cabs? anyway heres the link.
http://www.hostboard.com/forums/f700...oring-a7s.html
Nice work in saving a piece of history! Did you spill a beer on them already? In the second picture it looks like there is a stain. Great work!!!
but how do they sound? do you plan on a smaller port? they look great! super smooth... what are you going to drive them with?
"those sounds to which no definite pitch can be assigned are usually classified as noise"<br />harvey fletcher-1928
Nice work.That must have taken a lot of time and effort - great to see the results.
In the second pic that is a water stain from me wiping the top down after spilling an ashtray and not seeing that it ran down the side,looks better now. They sound very good. Was using a fisher tube integrated but it made a poping sound so now I'm using a couple of receivers to see what I like (a marantz 2238 and a pioneer 980). Looking to go with a class A SS amp or tubes in the future. Can believe how little power they need. Smaller port or wings seem to be the next step.
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