Boss_Roland_RC20_E_Pg_1-7电路图.pdf

RC-20May. 2001 1 SERVICE NOTES First Edition Issued by RJA Nominal Input Level INPUT : -20 dBu (variable) MIC : -40 dBu (variable) AUX IN : -10 dBu Input Impedance INPUT : 1M ohm MIC: 1k ohm AUX IN :

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