Is "Lepai LP-2020A+" and "Monitor Audio BX1" a good idea ? - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 13 Old 12-17-2012, 06:10 PM - Thread Starter
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Hello people i am new here.

I made this thread because i need your advice about speakers, i am a big fan of Trance music (Psychedelic, Progressive) so i was thinking of buying something that plays music well.

do you believe this is a decent combination of amp and speakers ? :


Amplifier : "Lepai LP-2020A+" (20 Watt RMS per channel, 2-8ohm)
Speakers : "Monitor Audio BX1" (55hz-30khz, recommended requirements 15-70 Watt)


If not, please send me some ideas, i am a university student so keep in mind that i cant buy expensive gear (i can afford 300 euros or 400 MAX).

Thank you in advance =)
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post #2 of 13 Old 12-17-2012, 06:32 PM
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That amp will only push 6-7 watts at 8 ohms, but it may well in a very small room like a dorm or set up near field as PC speakers. If you are on a budget, check the classifieds (Ebay, Craigslist, Audiogon if that's an option) for used gear. It wouldn't be hard to find a great deal on an integrated amp or AV receiver to power those speakers. On a very tight budget, used is the way to go.
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post #3 of 13 Old 12-17-2012, 10:13 PM
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The Lepai does very well for producing enough volume for listening, and is a great choice for low budget. Just don't expect it to chase you out of your room smile.gif

Your questions are answered: Speaker FAQ
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post #4 of 13 Old 12-18-2012, 07:11 PM - Thread Starter
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Thank you for your advices...i believe i will start with the lepai or maybe a greater used amp.

And in the future, maybe i will buy an amplified subwoofer to power these speakers, for the finishing touch.
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post #5 of 13 Old 12-18-2012, 07:24 PM
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An amplified subwoofer won't power your bookshelf speakers, it'll just power the sub.

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post #6 of 13 Old 12-18-2012, 08:26 PM
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I've had a Lepai amp for about a year now. While it probably doesn't push the 20wpc its advertised at it does work fairly well as long as you don't expect ear shattering sound levels - it will disappoint you. With the speakers I've used it with cranking it up to the one or two o'clock position maxes it out. Any more and clipping sets in pretty severely.

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post #7 of 13 Old 12-19-2012, 05:11 AM - Thread Starter
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Afrogt, sorry i dont remember how i quote in forums..

http://velodyne.com/vx-11.html

if i use an RCA/TRS cable to connect my music with the subwoofer, and connect the subwoofer with the speakers, i wont have any possitive results ?
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post #8 of 13 Old 12-19-2012, 05:36 AM - Thread Starter
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Quote:
Originally Posted by Knucklehead90 View Post

I've had a Lepai amp for about a year now. While it probably doesn't push the 20wpc its advertised at it does work fairly well as long as you don't expect ear shattering sound levels - it will disappoint you. With the speakers I've used it with cranking it up to the one or two o'clock position maxes it out. Any more and clipping sets in pretty severely.

Do you believe that at these positions the music is well played?
I don't expect amazing results from a humble amplifier like lepai, but the only thing that i fear, is that he won't be able to give me a "Standard yet enjoyfull" music experience.

Examples :

1) If volume is too low -> bass is poor and unnoticed
2) If volume is somewhat high -> You just hear noise and bizarre sounds and cranky bass
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post #9 of 13 Old 12-19-2012, 08:17 AM
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Quote:
Originally Posted by thexecutioner15 View Post

Afrogt, sorry i dont remember how i quote in forums..
http://velodyne.com/vx-11.html
if i use an RCA/TRS cable to connect my music with the subwoofer, and connect the subwoofer with the speakers, i wont have any possitive results ?

Nope. Not meant for what you are thinking. Those speaker level connections are for running speaker level connections in from an amp, and then out to the speakers.

Your questions are answered: Speaker FAQ
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post #10 of 13 Old 12-19-2012, 09:55 AM - Thread Starter
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Originally Posted by cel4145 View Post

Nope. Not meant for what you are thinking. Those speaker level connections are for running speaker level connections in from an amp, and then out to the speakers.

So theoretically even if i buy this subwoofer, it would cooperate with the speakers only if i buy an amp that will power all three together ?

If what i wrote is correct, why somebody would buy an amped subwoofer and not a passive one.
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post #11 of 13 Old 12-19-2012, 10:55 AM
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Quote:
Originally Posted by thexecutioner15 View Post

So theoretically even if i buy this subwoofer, it would cooperate with the speakers only if i buy an amp that will power all three together ?
If what i wrote is correct, why somebody would buy an amped subwoofer and not a passive one.

No. The amp is not powering the subwoofer. It's a way to send the audio signal to the subwoofer using the speaker connections instead of an RCA cable.

Your questions are answered: Speaker FAQ
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post #12 of 13 Old 12-19-2012, 12:29 PM
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Quote:
Originally Posted by thexecutioner15 View Post

So theoretically even if i buy this subwoofer, it would cooperate with the speakers only if i buy an amp that will power all three together ?
If what i wrote is correct, why somebody would buy an amped subwoofer and not a passive one.

No, not quite right. The receiver will only send redirected low frequencies to a powered sub from a dedicated subwoofer channel. It doesn't take any power from the receiver.

You buy a powered sub to save your receiver from producing the lowest frequencies. When your use your receiver to produce only the mid bass, midrange and higher frequencies it takes a strain off the amps. You'll get cleaner sound that way. Plus the amp in a powered sub is much more powerful than the amp in your receiver. You see amps in a subwoofer that are 150-500w for a single channel. You don't find receivers with that kind of power, especially when they have to drive 5-7 other speaker channels simultaneously.

Afro GT
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post #13 of 13 Old 12-19-2012, 01:05 PM - Thread Starter
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Quote:
Originally Posted by afrogt View Post

No, not quite right. The receiver will only send redirected low frequencies to a powered sub from a dedicated subwoofer channel. It doesn't take any power from the receiver.
You buy a powered sub to save your receiver from producing the lowest frequencies. When your use your receiver to produce only the mid bass, midrange and higher frequencies it takes a strain off the amps. You'll get cleaner sound that way. Plus the amp in a powered sub is much more powerful than the amp in your receiver. You see amps in a subwoofer that are 150-500w for a single channel. You don't find receivers with that kind of power, especially when they have to drive 5-7 other speaker channels simultaneously.


Afrogt my mind is blown after i read this, i thought that i knew some things about speakers ,subs and amps. But now i see that i have lots of things to learn. Thank you
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