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Ampeg SVT4PRO Bass Amplifier Head (1200 Watts)

9-band graphic EQ. Variable compressor.

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Description
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The sound is in your head. You've played countless instruments in search of the ultimate soul mate. Now you need an amp that will speak your sound to the audience. That's where the Pro Series heads live. The majority of Ampeg Pro Series heads feature multi-tube preamps (not a single 12AX7 like many competitors), 5-position mid frequency selection, and Neutrik Speak-On connectors that lock and provide better conductivity. A Mute button lets you change instruments in the middle of a set without the annoying "pop," and a Tuner Out jack that stays active even with Mute button on. Pro Series heads are built for the long haul. The units remain cool with variable speed fans that only turn as the temperature dictates. DC supplied filaments ensure noise-free tube performance. And the 1/8 in. thick extruded aluminum front panels not only allow safe racking, the contoured fronts have an awesome look. The 1200-watt SVT-4PRO is the industry's highest powered bass amp. Your creative mind now has the palette to deliver the goods.

Features
Input Peak LED

Dual 1/4 in. Inputs

-15 dB Pad

Variable 0 - 7:1 Compressor

Bright Switch

9-Band Graphic EQ

Defeatable Optocoupler Limiters

Internal 24 dB/Octave Crossover

Linkwitz-Riley State Variable Filters

50-1KHz Variable Crossover Point

High/Low Balance Control

Tuner Out Jack

Mute Function

1/4 in. Biamp High and Low Outputs

AC Convenience Outlet

15-Amp Circuit Breaker

Technical Info

Dimensions: 19 x 5.25 x 15.5 in.

Weight: 42 lbs.

Balanced Line Out: Yes x 2 (Transformer)

Driver Tubes:

Effects Loop: Yes x 2

Graphic EQ: 9-band

Mid Tone Control: 5 pos

Power Amp (Tube or MOSFET): MF

Preamp (Tube or Solid State): T (3 x 12AX7)

RMS Power Output (2 ohms): 600 x 2

RMS Power Output (4 ohms): 490 x 2/1200

RMS Power Output (8 ohms): 300 x 2/900

Tone Controls: 3-band

Ultra Low/High Boosts: Yes
The only bass head you'll ever need. Similar to the SVT3PRO, but this model features serious upgrades. Start with dual 490-watt power amps, add an internal crossover for powering multiple cabinets, and top it off with a built-in compressor. Two balanced direct outs and a mute switch.
10/05 Price cut, B-Stock, was $999.00, now only $899.10.

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Item: AMPSVT4PRO
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Ampeg SVT4PRO Bass Amplifier Head (1200 Watts) Reviews

76 People rated this product :
           9 out of 10
           10 out of 10
  zZounds has verified that this customer bought this product from us.
"Great sound, great options, rattles the walls."
Feature:
The only complaint might be that I think a foot switch should have been included for the price. I'm not really using this feature, however, so it's no big deal. Also, the amount of output options on this amp is incredible. Probably more than I would ever need, but it's nice to have them available.

Quality:
I've only had it for a few months, but it seems to be built very solidly. I've got it mounted in a ten space rack which took a spill from the top of a speaker stack during a show (from the massive low end vibration and poor stacking on my part). I finished the set with this amp laying upside down on the stage and it never hesitated at all! The rest of the band and the sound engineer didn't even know anything had happened!

Value:
I guess this amp can be a little pricey for some (myself included), but you get what you pay for and I feel this was money well spent.

Sound:
Great sound quality and versatility. I'm using this amp for hard rock/blues, and could not be happier with the sound. Especially with the gain cranked up a bit for a little "growl".

Support:
I've heard that it's good, but I've had no need to contact them yet.

Overall:
I'm completely happy with this amp and don't have any plans to replace it anytime soon! I've heard some people say that the power rating on this amp is overstated. When used in the biamp configuration, it does seem a little quiet. But, when used in the bridged-mono setup, this thing comes alive!!

Submitted: 04/29/2007
Style of Music: Hard Rock, Southern Rock
5 of 5 people (100%) found this review helpful. Did you?    
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           10 out of 10
"Why would you use anything else?"
Feature:
I love being able to control my mainline out and stage volume seperately, EQ works great, Compression, I keep low bout 1/4. Brightness really does just that.

Quality:
It's a MAC Truck, has taken disturbing drops in the rack but never a glitch.

Value:
Not cheap but ya get what ya play for.

Desirability:
Great looking in the rack.

Sound:
This amp has TONES of TONE!! I've had mine for four years now and play usually two shows a weekend sometimes four. No Joke. It still has so much volume, and I'm not referring to loudness which is without question loud! I'm referring to the expanse of the concussion and reverberation of the bass. I always say I don't play this bass, I feel it! On a normal basis I use the PR410HLF cab but when I really need to kickstart the earth's core and make everyones amps almost fall over I'll pair it with the SVT-410HE - Forget about it!

Ease of Use:
It's all right there. Not complicated or full of gadgets. It's a Bass amp, ya just gotta find your tone. All I've added was a KORG Tuner and the BBE. Set it and forget it.

Support:
? Support for what ? Happy customer from the first day I rattled the house.

Overall:
If this keeps performing a well as it has I don't see a need to look into anything else other than add another SVT IV Pro for the Festival and stadium stages. I and everyone else love this amp, the compliments are endless.

Submitted: 08/14/2008
Style of Music: Lifelong musician
2 of 2 people (100%) found this review helpful. Did you?    
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