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Everything posted by andrew018018
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He needs an amp for competition so it has to be rated below 1800w
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i live in Europe and i had a bxi2010d shipped for $40 + duty from vminnovations... I'm very happy with my amp and have had no problems, the only thing i dislike is that the power terminals are angled down
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It would probably be easier to have it rewound, as long as the gauge of the wire and its length are the same it will work the same
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Need subs for small aero-ported burp boxes
andrew018018 replied to 8ight's topic in SPL - SOUND PRESSURE LEVEL
Digital designs subs are very good for burping, which model you choose depends on your budget -
its safer to use a slightly more powerful amplifier since on a smaller amp you might turn the gain up too much since you would want to give your subs more power
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Try Hifonics colossus.. 3200 rms at 2 ohm and it does rated power http://www.sonicelectronix.com/item_32990_Hifonics-Colossus.html
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if you have the space go ported, ask someone on here to design a box and you'll be sorted.. the type of box isnt going to blow your subs unless its way too big or it has way too much port area for the power... just make sure you're sending clean power
- 23 replies
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- Enclosures
- Subs
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(and 2 more)
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Input on box, have one modeled up for you guys
andrew018018 replied to tbake223's topic in Subwoofers / Enclosures
IMO i think that box is too big, Re recommends about 1.25 cu ft.. i wouldn't go over 1.75 cu ft... and a 4" aeroport should give plenty of port area -
Input on box, have one modeled up for you guys
andrew018018 replied to tbake223's topic in Subwoofers / Enclosures
The cutout is in the right position (it should be the furthest away from the port)... i would go with one 4 inch port -
Funky load? A load doesn't have to be a whole number or 1, 2 or 4 ohm.. as with the case of most 4channels is that they put out the most power at 2 ohms per channel, so i wanted to get as close as possible This is how parallel impedance is worked out: 1/Rtotal = 1/Rmid1 + 1/Rmid2 + 1/(Rtweet1 + Rtweet2) Rtotal = 1/ (1/8 + 1/8 + 1/(4+4) )= 2.66* ohm Ohh wow I feel dumb, well sounds like you should go for it tbh. You're not dumb, you just learnt something new I think i'm just going try it out, but i still have about a week before my mids arrive so we'll see then :S
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Funky load? A load doesn't have to be a whole number or 1, 2 or 4 ohm.. as with the case of most 4channels is that they put out the most power at 2 ohms per channel, so i wanted to get as close as possible This is how parallel impedance is worked out: 1/Rtotal = 1/Rmid1 + 1/Rmid2 + 1/(Rtweet1 + Rtweet2) Rtotal = 1/ (1/8 + 1/8 + 1/(4+4) )= 2.66* ohm
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Capacitors inline with tweeter are used as highpass filters, they cut off at a certain frequency according to their capacitance
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My idea was to have a 2.6ohm load(actually it should end up being a bit less) on each of the front 2 channels of my 4channel so that i'll get about 80 watts a side, that's the reason that i want the tweeters in series, i'm certain that the cap to will take the power and theoretically the circuit makes sense... but i just want some advice from some experienced people thank you for your reply
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possibly no-one knows?
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Pour some epoxy into the crack, that's what they use to glue these types of things together. Just don't forget to leave the epoxy a few days to set properly, it will take up to three weeks to fully cure
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just a note, they will be in parallel with two 6.5" 8ohm mid-range drivers
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Well i have 2 set of JBL tweeters that are 4 ohms each, and i have a bipolar crossover capacitor which handles quite a decent amount of power, can i wire both tweeters in series and then to one capacitor per pair? like: (+)---------------------(tweeter)-----------(tweeter)-----------(capacitor)-----------------(-)
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i wouldn't do it