Audio Research CL120 Mono Blocks Tube Amps. Good used condition and sound as big as they look. Double boxed in dense foam, not peanuts/paper etc.The item "Audio Research CL120 Mono Blocks Tube Amps" is in sale since Monday, December 2, 2019. This item is in the category "Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Amplifiers & Tube Amps". The seller is "bassgruvn" and is located in Simi Valley, California. This item can be shipped to United States.