Coupled Line
Figure 9 shows the coupled-coil type of vibrato line box. It is smaller in size and
requires only 18 sections to give the same amount of vibrato effect as the 25
sections previously used. The switch has one less contact in each position, and so
neither the vibrato line nor the vibrato switch is interchangeable with earlier
types. The preamplifier are the same as those used with the circuits of figures 7
and 8.The scanner has somewhat different wiring harness.
6
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