This is going to be three part project.
A custom dual 12" sub woofer enclosure to maximize free trunk space. Upgraded cabin speakers and finally a new high output (260A) alternator, deep cycle AGM battery and power cables/wiring (plus cap).
I'm starting to try to figure out the sub enclosure. The problem is that this old school Cerwin Vega sub enclosure that I got from my step son is way to big for the trunk. It takes up the majority of the space and there's a ton of wasted space behind it in the irregularly shaped area immediately behind the rear seat.
What I'm going for is something like this:
Which should allow me to reclaim at least half of the trunk back for 5-6 grocery bags, etc.
I've had a pair of upgraded rear deck speakers for a while now and since the new voice coils stick out about twice as much as the stock Bose speakers, I needed to install these before making my measurements as space for the custom box is going to be at a premium.
The new speakers are 4 ohm and the stock paper Bose speakers are about 3.4 ohms so the new speakers work (and sound) great. They're Boss 6x9s for the rear deck, nothing fancy but I've got some higher end JL speakers for the front mids and tweeters.
And then of course the subs.
Bose systems are notorious for just being middle of the road as far as sound quality, but no high treble or (sub) bass.
I saw this quote about Bose on a website and I think it sums up their approach to the market perfectly:
"Bose makes products that are nonoffensive to the general consumer. Their most general consumer products are always on loudness mode, with boosted lower treble and middle bass, and no high treble or sub-bass. No one hates the sound, but it doesn't sound like a high fidelity product.
They also find soundstage ambiance to be more important than soundstage accuracy, distortion numbers, or neutrality over the frequency range. Their higher end products can make you feel like you are in place when the recording is happening, but you'll find it difficult to isolate individual instruments... and the instruments don't sound quite right."
The custom box is going to be based on this ported sub enclosure design:
Phase one I'm going to "design build" a prototype using card board and masking tape. This approach makes it easy to test out different ideas " in real time". After this, then I'll build the next iteration using 1/8" MDF. The final will be a wooden enclosure...haven't decided what type of wood/material to use yet? I'd appreciate some feedback on this.
So far I've just started playing around with the design approach.
This is going to be a fun project and will involve several different aspects in modding the car.
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