Classe CAV-180 Multichannel Home Theater Amplifier

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Super clean 5 channel amplifier from Classe Audio in Canada.

Features balanced and single ended inputs for ultimate flexibility with your theater system.

High power for home theater, and yet super musical in two channel operation.

All balanced inputs were tested - 170W per channel with 2 channels driven before clipping.

Includes the original very high quality box from Classe, plus the manual and power cord.

Classe CAV-180 Multi-channel Power Amplifier - Owner's Manual

Click below to add our recommended matching cables from Kimber Kable, all brand new as SkyFi is an official Kimber dealer.

Kimber Kable - RCA Interconnects

Kimber Kable - XLR Interconnects

Kimber Kable - Speaker Cables

Kimber Kable - Power Cords

Technical Specifications
Rated Output:
180 Watts @ 8 Ohms

THD+N:
0.004 %

S/N Ratio:
135 dBR

Gain:
29 dB

Output Impedance:
0.05 ohms

Input Impedance:
75K ohms

Sensitivity:
1.2 Volts for Rated Output

Frequency Response:
20 Hz to 20 kHz, +/- 0.1 dB

Main Unit Dimensions
Width: 17"
Height: 9"
Depth: 18"
Weight: 98 lbs

Shipping Box Dimensions
Width: 20"
Height: 12"
Depth: 22"
Weight: 115 lbs

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.