Akai model m6 same as Roberts model 990 (american version) Dual monoblock tube amps. This unit was tested with a microphone and a guitar pickup and it did produce good sound from both channels. It has preamp outputs, internal speakers, speaker outputs. Both the microphone/pickup and line level inputs were functional The transport section is not functional. This transport section is defective and will NOT play tape.. I was told these make good guitar amplifiers. I have the front cover for the machine. Has outputs for both pre-amp or also external speakers if you do not want to use those inside the recorder. Due to the age of the machine and the issues before mentioned it is being sold as is. Please ask any questions before placing a bid. Thanks for looking in and good luck.

Description: AKAI Model M-8 Left and Right Mono 6BQ5 Tube Amplifiers The amplifiers were tested in the reel-to-reel machine and both got power. We tested them with a microphone and were unable to get sound other than a crackle/static sound out of the speakers. We are not sure if the VU meters are working. They lit up but the indicators did not move. They are in good cosmetic condition with some dust and light wear. They come with their tubes but have not been tested other than power on. The switches and knobs actuate. The Push to Monitor button is a little sticky. We are including the transformer with the power cord and fuse attached. It was connected to the reel-to-reel machine and not directly connected to the amplifiers, but is being included. They are being sold as is and come as shown. Please see all photos. The left amplifier uses tubes 6267, 12AX7, 6X4, 6BQ5, 6AR5.The right amplifier uses tubes 6267, 12AD7, 6BQ5, 6X4. The amplifiers each measure 12.5 x 6 x 5. The transformer measures 5.5 x 4 x 4. Combined weight is 22 lbs 3 oz.