This listing is for a pair of Eico Monoblock Amplifiers. I had just had these amps running on the bench and they sounds great.The amps are guaranteed not to be DOA but due to their age they can not be warrantied beyond that. They are EICO ST40 Chassis that have been modified to be Monoblock amplifiers. Model: Stereo 40 / ST40 Modified. Dimensions: 16" X 13" X 5 (each). The item "Pair Vintage Eico ST40 Chassis Modified to Monoblock Tube Amplifiers / EL34 KT" is in sale since Tuesday, June 11, 2019. This item is in the category "Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Amplifiers & Tube Amps". The seller is "speakerguy2002" and is located in Caledonia, Michigan. This item can be shipped worldwide.