We wanted to construct a GR-40 Rx. for the purpose of demo to students. So we thought what best represents students. "EUREKA", why not use the Examination pad which is made out of stiff and tough paper cardboard. Every student uses an exam pad and if he/she wants to built it on an exam pad, they would happily destroy an exam pad for the joy of constructing a GR-40 Rx.
So we put together the GR-40 RX. on the pad with a BNC connector, square speaker (8 ohm and 10 Watt) and control knobs. The Speaker panel which consists of the DC supply posts, Switch, Volume, Tuning knobs and square speaker was mounted on the pad using aluminium rods. This model can be hung on the wall.
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| Layout view of the GR-40 Board model - View 1 |
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| Layout view of the GR-40 Board model - View 2 |
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| Final GR-40 Rx. Board Model hanging on the wall |
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| GR-40 Rx. Board Model |
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| Testing of the GR-40 Rx. Board model |
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