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US Amps VLX-400 Amp Dyno Test 1 Ohm - Old School Surfboard


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One of my most eagerly anticipated old school amp tests, the US Amps VLX-400. Here are the specs:

200 watts x 2 channels at 4 ohms (400W total for competition purposes)

800 watts x 1 at 4 ohms bridged

1600 watts x 1 at 2 ohms bridged

2400 watts x 1 at 1 ohm bridged

44" long

400A Fuse Required

Amp manufactured between 1996-1999

MSRP: $3699 USD

Let's see how it does on the Amp Dyno!

Watch on YouTube in Full 4K UHD!

or embedded below:

See my videos on YouTube http://www.willistonaudio.com  Many tests and demos of OLD and NEW SCHOOL car audio gear!


See cool pics on Instagram @oldschoolstereo

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Impressive, no doubt. But that wattage is available these days at 1/4 the price and half the size. Back in the day I ran Soundstream Reference amps in my SQ ride. Added up to about $2.50 a watt. Wish I could get ahold of some of those Ref amps now.

Is there even a full range amp that does this kind of power these days? I know it's ridiculous to have an amp this powerful powering mids/highs, but this is a full range, class AB amp. There are advantages to class AB amps, but disadvantages as well (size, efficiency, etc).

See my videos on YouTube http://www.willistonaudio.com  Many tests and demos of OLD and NEW SCHOOL car audio gear!


See cool pics on Instagram @oldschoolstereo

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There are a couple big a/b full range surfboards available today but I couldn't say if they do rated or not.

American bass vfl-4000 fr is one of them.

http://www.americanbassusa.com/Amplifiers/VFL-Series/VFL-4000-FR-WORLD-BIGGEST-2-CHANNEL-CLASS-AB.html

Lazar has a big opti 2 channel as well and I believe orion has a big hcca 2 channel.

That being said a lot of people's definition of "music" is a clipped 30 hz sine wave with some 80 IQ knuckle head grunting about committing crimes and his genitals.

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There are a couple big a/b full range surfboards available today but I couldn't say if they do rated or not.

American bass vfl-4000 fr is one of them.

http://www.americanbassusa.com/Amplifiers/VFL-Series/VFL-4000-FR-WORLD-BIGGEST-2-CHANNEL-CLASS-AB.html

Lazar has a big opti 2 channel as well and I believe orion has a big hcca 2 channel.

The AB says 580mm long...that's only 23", but the ratings are impressive.

See my videos on YouTube http://www.willistonaudio.com  Many tests and demos of OLD and NEW SCHOOL car audio gear!


See cool pics on Instagram @oldschoolstereo

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I belive the length is a typo, I've seen one in person and they are almost 3' in length.

I think it's supposed to be 850mm

That being said a lot of people's definition of "music" is a clipped 30 hz sine wave with some 80 IQ knuckle head grunting about committing crimes and his genitals.

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