bt4180
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Road Master
Joined: Sep 2008
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From: central Il
bt4180
Anyone know if their claim of 120 watts per ch is right when 8 speakers in parallel my stereo guy called alpine which tested all the bike amps said its nowhere close to their claim, I want to add speakers but not another amp
Road Warrior
Joined: Jan 2013
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From: Joliet IL.
If you have 4 ohm speakers with eight speakers in parallel the Bt4180 should produce 230 rms per channel at 2 0hms, so 4x 230 rms for a total of 920 rms (according to what Bill at BT told Pioneer) I would tend to believe BT specs. The Bt 4180 is suppose to produce 180 rms at 4ohms hence the name 4180 (not 120 rms)
Last edited by Moto Mike; Jun 24, 2014 at 09:01 AM. Reason: added
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From: East of the Sun, West of the Moon
You don't mention what specific model speakers so it's hard to even guestimate whether 1) it's wired correctly and 2) what it's output power is at rated load.
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Road Master
Joined: Sep 2008
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From: central Il
I currently have 4 image series 6X9 and have 4-7.1 image series coming from biketronics all 4 ohm. I will run them from the amp I have now in parallel and see how it sounds I have talked to biketronics several times and they assure me they will put out 120 per that way. My JL600x4 is 150 per channel now so in parralel will drop to 75 ea, but there is gain control, where there is none on the bt4180, which BT call it fool proof but not able to tune it. Like I said my stereo installer says that alpine did testing on other brands and they claim it doesn't put that out, plus he installed one didnt care for it, and said the amp I have now is better. Just looking for conformation from a another neutral person before spending 650 for a amp that might not be any better than what I have.
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Joined: Nov 2007
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From: East of the Sun, West of the Moon
well my "neutral" opinion is put the speakers in and see what you think. My experienced opinion is those JL Audio amps are not known for big power and you're going to need it for these Imagine series speakers.
JL 600/4 is 150x4 @ 4 ohms. That means you'll be piping roughly 75w to each of the 8 speakers. What you need to keep in mind here is that gain control is NOT a volume control.
I'm sure it will sound pretty darn good with that JL amp, but these speakers like power, as in 100+ per speaker to really knock your socks off.
Kinda curious why Alpine would be testing of all things, a Biketronics amp. They don't even have a "bike" class amp in their lineup. Just weird. I would be very skeptical of that comment unless data can be provided to back it up.
JL 600/4 is 150x4 @ 4 ohms. That means you'll be piping roughly 75w to each of the 8 speakers. What you need to keep in mind here is that gain control is NOT a volume control.
I'm sure it will sound pretty darn good with that JL amp, but these speakers like power, as in 100+ per speaker to really knock your socks off.
Kinda curious why Alpine would be testing of all things, a Biketronics amp. They don't even have a "bike" class amp in their lineup. Just weird. I would be very skeptical of that comment unless data can be provided to back it up.
Ultimate HDF Member
Joined: Oct 2012
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From: Indianapolis IN.
well my "neutral" opinion is put the speakers in and see what you think. My experienced opinion is those JL Audio amps are not known for big power and you're going to need it for these Imagine series speakers.
JL 600/4 is 150x4 @ 4 ohms. That means you'll be piping roughly 75w to each of the 8 speakers. What you need to keep in mind here is that gain control is NOT a volume control.
I'm sure it will sound pretty darn good with that JL amp, but these speakers like power, as in 100+ per speaker to really knock your socks off.
Kinda curious why Alpine would be testing of all things, a Biketronics amp. They don't even have a "bike" class amp in their lineup. Just weird. I would be very skeptical of that comment unless data can be provided to back it up.
JL 600/4 is 150x4 @ 4 ohms. That means you'll be piping roughly 75w to each of the 8 speakers. What you need to keep in mind here is that gain control is NOT a volume control.
I'm sure it will sound pretty darn good with that JL amp, but these speakers like power, as in 100+ per speaker to really knock your socks off.
Kinda curious why Alpine would be testing of all things, a Biketronics amp. They don't even have a "bike" class amp in their lineup. Just weird. I would be very skeptical of that comment unless data can be provided to back it up.
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