This amp is MASSIVE, weighing approximately 50lbs. Power output: 200 watts into 25 (mono). Frequency response: 20Hz to 20kHz. Signal to noise ratio: 85dB. Speaker load impedance: 25 to 200.Dimensions: 267 x 483 x 210mm. Accessories: optional 15095A line transformer, 15335A bridging transformer. The item "Altec Lansing 1590E MonoBlock Power Amplifier 200W Rack Mount 4U" is in sale since Monday, March 8, 2021. This item is in the category "Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Amplifiers & Tube Amps". The seller is "lostparts89" and is located in Tulsa, Oklahoma. This item can be shipped worldwide.