Appling Sound Plug's Strobe Light with stroboscope disc, it can adjust the record to accurate RPM and ensure the highest playback quality.
|
Standard-playing(SP) |
50 Hz |
60Hz |
|
RPM |
33rpm |
33 rpm |
|
45rpm |
45 rpm |
|
|
78rpm |
78 rpm |
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Put the stroboscope disc on the turntable of the record
Connect the strobe light to the power cable
Turn on the switch of the record and let the record start to spin up to normal speed
Aim the light on the relative position of the stroboscope disc. For example, Taiwan is 60Hz, and aim at the outer circle. If it is a 45-rpm record, it depends on the change in the middle line.
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5.Due to the effects of light flicker and persistence of vision, if the corresponding matrix seems to be fixed, which means the speed is correct. If the matrix is moving forward, it means the speed is too fast; otherwise, the speed is too slow.
