Crossovers



RSPM Mk. IV



Reference standard professional monitor Mk. IV
Item Selected Component Code
L1 5.75 mH Pink Spot
L2 1.75 mH Orange Spot
L3 0.5 mH Yellow Spot
L4 0.2 mH Green Spot
C1+C2 5 off//100 mfd 50 V
C3 60 mfd 5OV Gold Spot
C4 100 mfd 50 V Gold Spot
C5 12 mfd 50 V//4 mfd 50 V Gold Spot
C6 6 mfd 50V Gold Spot
C7, C8,C9,C10,C12,C13 2.2 mfd 250 V
C11 3 off//2.2 mfd 250 V
R1 33 ohm 7 watt White Spot
R2 + R3 15ohm 7 watt Orange Spot
R4, R6, + R8 1.5 ohm 4 watt Green Spot
R5 2.2 ohm 4 watt Red Spot
R7 + R9 1 ohm 4 watt Blue Spot

Note that C5 12 MFD 50V/4MFD 50V is not indicated on the schematic but is effectively 16 MFD across the mid range.







SACM






Studio Monitor



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