The Audio Research EC-2 isn't your typical piece of audio gear—it's a vintage electronic crossover designed to elevate bi-amplified systems by precisely dividing the audio spectrum without compromising the integrity of the musical signal.

S/N: 679110-10

• All tubes test good
• Cleaned all control contacts
• Verified operation
• Tested all inputs and outputs. 
• The "Bass L+R" output is not wired from the factory and is user wired per manual