the supply side reel table 2 by a spring 6 the brake arm 4 has a brake pad 7 adhered to an end portion thereof that contacts the reel table 2 the brake arm 4 is connected at another end thereof to a supply side reel brake solenoid 8 which linearly operates so as to control the braking operation of the brake arm 4 the take up side reel table 3 is provided with a take up side reel brake arm 9 which similar to the brake arm 4 is urged toward the take up side reel table 3 by a spring 10 the brake arm 9 is connected at one end thereof to a take up side brake solenoid 11 the other ends of the springs 6 10 are connected to a stopper portion 200a which has been formed by cutting and bending a frame 200 of the recorder the reel tables 2 3 are rotated by reel motors not shown provided below the reel tables 2 3 respectively an inlet perpendicular post 12 and an inlet inclined post 13 are provided on a slider 14 an outlet perpendicular post 16 and an outlet inclined post 17 are provided on a slider 15 a perpendicular post 19 and a shaft 20 are provided on a slider 18 a pinch roller arm 21 is rotatably fitted over.