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SPEC-2 - The Most Powerful Pioneer Power Amplifier Ever! Vintage Stereo Repair Restoration Testing.

A Pioneer SPEC-2 stereo power amplifier repair and restoration video. Old electrolytic capacitors and heat stressed/troublesome transistors were replaced. The power supply assembly which is known to be heat stressed in the Pioneer SPEC-2 power amplifier was completely rebuilt. The power amplifier and meter assemblies were rebuilt. In addition, the four filter capacitors were replaced. This Pioneer SPEC-2 was then bench tested with an audio analyzer. This was a top to bottom repair and restoration that after 40 years of service this vintage amplifier needed. This Pioneer SPEC-2 power amplifier now sounds great and will be reliable for decades to come. 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