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In Reply to: RE: I decided on an GPA 605 posted by RC Daniel on April 04, 2012 at 03:14:40
Hi, when-ever your project is finished, can you please post some pics and listening impressions, along with what type of amp you are using to drive them. I'm most interested in your outcome with these particular GPA speakers.
Cheers
Frank M
Follow Ups:
I've been running my GPA 604-8HIII's in MTLT cabinets now for about 3 years now.
When the cabinets were first built I had Altec 604-8K's in them. The 8K's were really nice drivers. But going to the GPA 604-8hIII's made a world of difference in the upper end. The GPA's are much clearer at the upper end and the imageing and stageing is superb.
It took me about two years of comparing the MTLT/GPA to my Altec A5 setup to decide I liked the MTLT/GPA system better than the A5's .
The GPA's were were so satisfying I eventaully sold the A5's and had
no regrets.. works great with a Stereo 2A3 DC amp with a modern power supply!
Have fun !
Willie
what is a MTLT cabinet ?? and where did you get plans for this cab ?
I like the joinery of the panels across the top and the squat look (I wanted that, but it would not quite work for my needs).
Now I need to finish my amp (every time I look at it I am disappointed) so I can start my second, much better laid out and executed design... with a modern power supply also!
Thanks for sharing.
Hopefully they are not far away - most recent progress shot above. A few weeks ago they just needed the piano black finish applied to the sides, then final finishing and testing. Of course, then they need to be delivered and set up in room.The amp will be a partial kit/DIY 6C6 driving a 2A3; it is nothing special - actually, I have a swag of issues with its design and layout (I am already planning to rebuild it despite being not yet finished) - but it should give some idea as to how the speakers sound with a decent high-ish output impedance amp.
Without having heard them, but from what I have read, the crossover and cabinet design make or break these drivers. I spent the money on having a custom enclosure and Rick Craig crossover designed to suit my musical preferences. It will be interesting, because I am sensitive to the 'electronic' or reproduced signature of many systems and the GPA 604 with standard crossover is noted to have a slight upper midrange glare. The Rick Craig crossovers reportedly absolutely remove the glare and do so much more; we will see.
I will do whatever I realistically can to help you decide whether it is worth taking this route - I will be honest - and help make it happen should you decide to...
Cheers.
Edits: 04/06/12 04/06/12
Beautiful work !
Willie
I need some encouragement at the moment...
I hope it will be nice. Book-matched Red Heart Eucalypt for the front; piano black for the sides, stand (and rear, I think). The builder seems to be a perfectionist: excellent quality but it is taking longer than I would ideally like. That said, I can be a little perfectionist(ic) and would rather he take his time and produce a quality product... which is what he seems to be doing. He is also doing the build at a pretty low cost, so I have to put my occasional frustration aside.
Keep well.
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