Beach GhettoBlaster

[cold21blooded]

Ok off the rip im gonna let you know that im new into home audio drivers and stuff... Im experienced at building projects off schematics and stuff so im not worried about wiring anything up..

Now lets get to business.. I've read through the forums and didn't really like any of the response so im gonna ask for some advice.. I wanna build a ghetto blaster.. its mainly going to be used for the beach and cookouts.. so it has to be loud and durable.. I want it to be small but weight doesnt really matter.. im not gonna really be caring it around.. And most of all cheap.. I'm gonna be around alot of people and stuff so i don't want to dump alot of money into and then someone knocks it over and i'm out of alot of cash..

I need help with High efficient drivers, amp, stuff like that

any ideas please cus im lost lol

 

[LafeEric]

Hello Cold21blooded...

I don't have much experience with this either but I think a starting place you might want to consider is something built by a friend of mine...

He simply built a cheap car stereo and two 6 X 9 car stereo speakers into a box and powered it by a car battery. Cost him about $100 (not including the battery) and made plenty of cheap music!

 

[60ndown]

ive built 2 GhettoBlasters, my recommendations are,

speakers:

https://www.madisound.com/store/product_info.php?manufacturers_id=150&products_id=843

amp :

Amazon.com: Sonic Impact 5066 15-Watt Portable Class-T Digital Audio Amplifier: Electronics

or ive never tried this but it looks identical???????

Dayton Audio DTA-1 Class T Digital AC/DC Amplifier 15 Watts Per Channel - Parts Express

power:

UB1270 12V 7Ah Sealed Lead Acid SLA AGM Battery | eBay


in a 7"x7"x 20"sealed box, it gets plenty loud, runs for 8+ hours on a full charge, but the thing that REALLY surprised me, was the HUGE amount of bass it pumps out.

buy the parts and build it,



if you dont LOVE it ill buy all the parts from you for 90% of prices posted here

^that is how confident i am in the sound/performance of it.

build it so you have a metal grill over the speakers, and everything else, battery,amp and i pod inside.

no one can damage anything.

turn it on, hit 'play' and walk away and boogie......

 

[infinia]

Hi
Very sound ideas here in the Boominator thread. High efficiency class D amps and 4x10" bass drivers. You could scale it up or down I guess.

 

[cold21blooded]

thanks for the help.. i like that amp but i was wondering if silver flute is a good brand or not

 

[cold21blooded]

alright so this is what im thinking about going with after some research

amp

Lepai Tripath TA2020 Class-T Hi-Fi Audio Amplifier

drivers

2x Dayton Audio PA165-8 6" PA Driver

tweeters ( not sure if im gonna use tweeters yet any suggestions?)

2x Dayton Audio DC28F-8 1-1/8" Silk Dome Tweeter

then crossover if tweeters are used

Dayton Audio XO2W-2K 2-Way Crossover 2,000 Hz

i dont know if i want to use tweeters cus the crossover and the tweeters are gonna take it outta my price range.. what you guys think

 

[picowallspeaker]

I would go with....
a set of Bravox !
,the ones listed as buyouts at PE , since they are really low cost ,and you can stack
many in serial-parallel - mini rig
And lots of 4X100 W class-D amps .of course
For mids and treble , cheap horns

 

[LafeEric]

Sounds a lot better than my idea!

 

[cold21blooded]

I would go with....
a set of Bravox !
,the ones listed as buyouts at PE , since they are really low cost ,and you can stack
many in serial-parallel - mini rig
And lots of 4X100 W class-D amps .of course
For mids and treble , cheap horns

sorry but i dont understand what your saying at all.. can you post some links or something please lol

 

[picowallspeaker]

The ocean - blue -cyanotic Bravox:

Bravox WFR-06BV03B 6.5" Blue Cone Shielded Woofer 12 Ohm
That go together with
Magnavox 1000 Cycle Horn Speakers - Set of Two | eBay
Quick !!

 

[cold21blooded]

The ocean - blue -cyanotic Bravox:

Bravox WFR-06BV03B 6.5" Blue Cone Shielded Woofer 12 Ohm
That go together with
Magnavox 1000 Cycle Horn Speakers - Set of Two | eBay
Quick !!

How would you power these.. Would you use a crossover

 

[cold21blooded]

I was also thinking about adding a sub for some added bass..any ideas on that

 

[CharlieLaub]

A poster (Ludo) who frequents the Parts Express forum (not sure if he posts here) has built several "boom boxes" similar to what you describe, using the following principle:
Amps will be autosound amps
Power is via Batteries (one or two large lithium ion I think). See first pic, black thing at extreme left.
Use an autosound head for CD plus input for Ipod or other audio signal
Put everything in to a Goldwood carpeted subwoofer box (also available at Parts Express).

For instance here are a couple of pics of his latest system for some ideas on the concept:

This system has a single subwoofer plus MTM side channels. Sounded pretty nice. He makes these for his son to take on biking trips or for backyard parties.

-Charlie

 

[cold21blooded]

A poster (Ludo) who frequents the Parts Express forum (not sure if he posts here) has built several "boom boxes" similar to what you describe, using the following principle:
Amps will be autosound amps
Power is via Batteries (one or two large lithium ion I think). See first pic, black thing at extreme left.
Use an autosound head for CD plus input for Ipod or other audio signal
Put everything in to a Goldwood carpeted subwoofer box (also available at Parts Express).

For instance here are a couple of pics of his latest system for some ideas on the concept:

This system has a single subwoofer plus MTM side channels. Sounded pretty nice. He makes these for his son to take on biking trips or for backyard parties.

-Charlie

that is a nice setup.. i am looking for something like that just smaller... the more i look at stuff the more my mind changes.. what if i did a mono setup and just ran a sub, mid and tweet.. i am gonna be outside so it doesnt have to be audiophile quality because im not in a audiophile setting.. and it would cut my cost in half lol any disadvantages to this??

 

[Buckapound]

From a sound standpoint, mono's OK, as you're not going to get a lot of separation if speakers are just a foot apart. Big disadvantage to a mono setup is you're only using half your amplifier, so if you're looking for volume, not necessarily the best idea.

If you can find a small dual-coil woofer, you could blend L+R to mono, and ues both channels for bass and just one for the mids/tweeter, as they don't use all that mich power compared to the bass.

--Buckapound

 

[cold21blooded]

From a sound standpoint, mono's OK, as you're not going to get a lot of separation if speakers are just a foot apart. Big disadvantage to a mono setup is you're only using half your amplifier, so if you're looking for volume, not necessarily the best idea.

If you can find a small dual-coil woofer, you could blend L+R to mono, and ues both channels for bass and just one for the mids/tweeter, as they don't use all that mich power compared to the bass.

--Buckapound

That would make since.. But do you think a mono setup will be loud.. Now I'm thinking that the sub isn't really gonna matter cus were outside.. I'm so confused

 

[Dane]

Get a large Igloo Cooler (the one with wheels), add gel-battery and charger, car stereo head unit, efficient class D amp, and marine audio speakers.
It won't fall over, it will be loud, portable, and waterproof.

 

[picowallspeaker]

Now I'm thinking that the sub isn't really gonna matter cus were outside.. I'm so confused

Get an............... efficient class D amp, and marine audio speakers.
It won't fall over, it will be loud, portable, and waterproof.
Today 05:59 AM

But OP was on the right rail ...an efficient woofer for a first proposal , driven by efficient amplifiers = sounds good
Also little MTMs as seen here ,above ...they do take very little place ,and putting the speakers in parallel adds +3 dB .
Many alternatives ; if space is a primary concern ,less...