This amplifier is the early age of solid state audios. There's no tubes inside.
-Power output: 35 Watts
-Frequency response: n/a
-Preamp controls: Bass - Treble
-Consum: 0.72 A
-Features: 4 Channel mixer for microphone or auxiliaries
-Additionnal informations: 25V or 70V line output option
-Switches: Low filter, magnetic phono option (rear)
-Speakers selection: Single output 4-8 ohms or via line output.
-Dimension: 15 1/4"W X 6 3/4"H X 10"D
-Case: Front/rear: solid aluminium - Cover: Metal
-Status: in hand.