First impressions. AB VFL 100.1 - Car Audio Classifieds!
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  #1  
Old 02-26-2011, 05:48 AM
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Default First impressions. AB VFL 100.1

I've been wanting to try this "little" amp out for a while and I finally found one for a good price locally. I know AB makes some quality gear judging by their presence in some seriously loud vehicles and I was hoping that the little brother was of similar build quality and performance. And, in a word... it is. I have heard rumors that AB shares a build house with Cactus and maybe DC, but I can't confirm this. Maybe someone else can chime in on that.

It's a sexy little 1k. It's clean and looks good. And other than the cheesy "hardcore spl amplifier" moniker, there isn't anything Mickey Mouse about this thing. It has the classic hex key terminals and easily accessable and adjustable gain and crossover settings. Everything you'd expect in a higher end line of amp. It has 120A of onboard fusing as well as a protect circuit. I know you can't judge an amp's performance solely on fusing, but with 120A, I'm assuming the 1,000w rating is pretty accurate, but not so secretly hoping that it's under rated.

I wired my SA12 to 4 ohms just to insure that the amp was functional when I bought it. Listening to it on the ride home had me second guessing whether I actually had it at 4 ohms or 1.

You will hardly ever see a 4 ohm "clamped" number, but I had to see what it was doing since it sounded so good. With the gains set properly for 4 ohm operation, I got...

65 AC volts and 7.8 AC amps for 507w at 4 ohm nominal rising to 8.3 ohms! Lol. So yeah, I'd say it's doing rated. Well, at 8 ohms anyway. Lol.

I'll have more numbers on it later and post those in the clamped numbers thread when I start to put it through it's paces, but my first impression was that this was a good buy and if you are considering a solid 1k amp, you might want to put the ol' 100.1 on your radar. There may be better power options for the $350 retail price tag, but if you can find a decent price on one used, don't hesitate.

Link to AB's spec sheet...
http://www.americanbassusa.com/front...spx?fileid=181

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Stock gut shot...
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Old 02-28-2011, 01:03 PM
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Well, the numbers are in for 1 ohm operation.

Since I had heard that this amp will do 1,500w, I set the gains accordingly (~ 39v. EQ flat. 3/4 volume).

I set the gains with a 50hz tone, but clamp where my this box peaks in my car which, I'm assuming, accounts for the difference in clamped acv and gain setting.

1 ohm nominal rising to 2.1
53 ac volts.
25.2 ac amps.
Drop to 13.2

1,335w.
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Old 08-19-2012, 07:52 PM
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Jeez makes me wanna clamp my 120.1! Great review T-fade
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Old 08-19-2012, 08:14 PM
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All i can say is these amps are great for the PRICE!!!Taylor you invest well!
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Old 08-19-2012, 08:25 PM
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Nice ......Oh i want an ab vfl amp so bad :\ lol
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Old 08-19-2012, 08:25 PM
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Nice ......Oh i want an ab vfl amp so bad :\ lol
We due layaway or 60days!
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Old 08-19-2012, 08:40 PM
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Word?! Whaaat.. had i known this sooner
details on layaway
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Old 08-19-2012, 08:55 PM
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Very nice taylor, i love those amps, i own a pair of vfl 120.1 and have abused them A LOT without any problems, my explorer its using a single amp right now, 270A mechman alternator on front and a single D3100, amp is wired at 0.5 ohms, stays cool as hell and can definitely take 0.5 daily all day long, im rising to 1.3 ohms if i remember correctly @ 43 hz, i clamped like 2300 watts @ 12.8v so this means its underrated for sure!!!
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Old 08-19-2012, 10:15 PM
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I can't believe it took 18 months for someone to comment on this review. Lmao.

Seems like forever ago I had that little beast.

Interesting that the specs used to be 1,[email protected] (which is why I kept saying that it was a 1k), but are now 1,[email protected] Same amp. Different spec sheet; as evidenced by the link not working.
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Last edited by TaylorFade; 08-19-2012 at 10:21 PM.
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