Aragon 8002 Vintage Dual Mono Solid State Amplifier

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A great value for a Dual Mono amplifier, especially one built in the US in California. Built like a tank, and fully working as it should.

Conservatively rated too. It tested clean to 160WPC into 8 ohm, while only rated at 125W at 0.04% THD. 4 Ohm tested well.

Balanced (XLR) input connection option not installed. Single-ended RCA only.

Also in great cosmetic condition for its age for something so heavy that usually receives dings and scratches while moved around. 

Aragon 8002 Dual Mono Amplifier Manual

Specifications:
Power Output:
8 ohms: 125 watts per channel continuous power both channels driven 5Hz- 20KHz at less than 0.04%THD
4 ohms: 250 watts per channel continuous power both channels driven 5Hz-20KHz

Input Impedance:
Single Ended 22K ohms

Input Sensitivity:
1 Watt Output 120 mV
Full Output 1.33 V

Signal To Noise:
A Weighted >110 dB

Damping Factor:
>500

Slew Rate:
>120 V/µS

Voltage Gain:
28 dB

Phase Inversion:
No

Weight:
41 lbs.

Size:
19" W x 14" D x 6" H

The SkyFi Testing Process for Solid State Amplifiers:

We start with a visual inspection of all internal components to make sure there are no signs of stress or aging. Capacitors are checked for telltale sings of bulging or leaking, resistors are checked for signs of overheating or cracking, and transistors are checked for signs of stress or damage.

We then power up the unit carefully and run a simple 1k sine wave while monitoring the output on an oscilloscope for signs of distortion or noise. Finally, we run the amplifier to its full rated power into the appropriate resistive load provided by our Sencore amplifier tester. If there is an issue, it will usually be noticeable at this point. If everything reads clean, we will often test for THD (Total Harmonic Distortion) measured by our Keithley distortion meter, and compare it against the original manufacturers specifications. The amplifier then remains powered on to "burn in" on our test bench for a few hours to make sure there are no heat related issues. If there are balanced inputs available they will be also be tested.

Final testing involves pushing actual music thorough the amplifier. We've learned over time that some issues are only noticeable to a trained ear while listening to familiar source material. Our test bench has reference vintage KEF speakers that we're very familiar with which quickly reveal any discrepancies. Some amplifiers will then move into our listening room where they are tested with our in-house reference speakers of choice.

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