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Alto Professional APX1000

1000W 2-Channel Class D Digital Power Amplifier

  • 5.0

(1 review)

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Price Information

$399.00

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$299.00

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The shipping was extremely fast and totally reliable. Sonic has the best prices around, hands down; no one can touch these prices. I have looked around locally and all over the net, and no one can beat these prices. This is my second time buying form Sonic, each time the delivery was extremely fast.

- gwilli3272 from Deatsville, AL

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Product Features

  • 2-Channel Class D Digital Power Amplifier
  • RMS Power Rating:
    • 8 ohms: 250 watts x 2 chan.
    • 4 ohms: 500 watts x 2 chan.
    • Bridged, 8 ohms: 1000 watts x 1 chan.
  • High-Efficiency low-noise switch-mode power supply
  • Lightweight, two rack-space design for easy integration into your existing equipment
  • Easy to read LED signal (green), protection (red) and clip (red) indicators
  • 1 Blue LED power indicator integrated with power switch
  • Touch-Proof binding posts and Speak-On jacks
  • Low-Noise cooling fan to prevent overheating and high-current toroidal transformers
  • Balanced combo input jacks
  • 4-Way System Protection circuitry (On/Off, Mute, DC Fault, Load)
  • Input Sensitivity: 1 Volt
  • High-Pass filter (30 Hz)
  • Low-Pass filter
  • Input Impedance: 10k ohm unbalanced
  • Voltage Gain: 32 dB
  • THD (Total Harmonic Distortion): <0.5%
  • Signal-to-Noise Ratio: 110 dB
  • Frequency Response: 20-25,000 Hz
  • Dimensions: 11-1/4"D x 19"W x 3-1/2"H
  • Also Found as: apx1000 APX-1000
  • 1-year Manufacturer's warranty
Power Specifications
Number of Channels 2 Channels
Continuous Power @ 8 ohm 250 watts x 2 channels
Continuous Power @ 4 ohm 500 watts x 2 channels
Continuous Power @ 8 ohm (Bridged) 1000 watts x 1 channels
Total Continuous Power 1000 watts
Amplifier Specifications
Amplifier Class D
Signal-to-Noise Ratio 110 dB
Frequency Response 20 - 25,000 Hz
Input Sensitivity 1 volts
THD (Total Harmonic Distortion) <0.5%
Voltage Gain 32 dB
Cooling Options Cooling Fan
Inputs XLR
Outputs Binding Posts
SpeakOn
Physical Specifications
Height 3-1/2"
Width 19"
Depth 11-1/4"
Weight (Pounds) 12.1 lbs
Rackmount Spaces 2U
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration 1 year
Labor Warranty Duration 1 year
Warranty Provider Manufacturer
Customer Review Summary for Alto Professional APX1000
Average Customer Rating is 5.0 out of 5 stars:
  • 5.0
based on 1 Review
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Rating Distribution:
5 star:
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 100%
4 star:
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what's this?
Average Attributes Rating:
Durability
  • 5.0
 5.0
Value
  • 5.0
 5.0
Features
  • 5.0
 5.0
Design
  • 5.0
 5.0
Usability
  • 5.0
 5.0
what's this?
Most Helpful Customer Reviews:
June 2, 2013 Alto Professional APX1000
Review by
Pat from Mount Morris, Illinois
Overall
  • 5.0
Durability
  • 5.0
Value
  • 5.0
Features
  • 5.0
Design
  • 5.0
Usability
  • 5.0
I boought this power amp to replace my very old Peavey CS 800, a channel went out plus other problems. The Alto is Class D which is light and easy to use. I have band rehearsals here every week and it is necessary. The sound is clean and clear at any volume and it never gets hot. Very quiet running. If I were to buy again I would opt for more wattage. I only use mic'ed vocals through the amp via an Alesis (Alto) 16 channel mixer which is on par with a Mackie VLZ. I have the amp volume maxed at all times and it has never reached clipping. I have never had any problems with Alto products.
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Product Summary

Manufacturer: Alto Professional
Model number: APX1000
Weight: 15.50 lbs
Internal SKU: apx1000
Internal product ID: 39610