Mackie SP2400 Instruction Manual - All - Page 14

EQ Bypass Jumper J6, located on each Filter Board, allows you to bypass the 3-band EQ for the four Program Inputs. configuration than the default settings. Refer to the following illustration for the locations of the jumpers. Note: Each amplifier board must be configured separately. Jumper pins 1 and 2 to bypass the EQ. Jumper pins 2 and 3 to engage the EQ (default). Note: The top Input Board must be removed in order to access Jumper J6 on the Filter Board. J1 J2 D22 C40 D3 C23 U25 C54 SP2400 FILTER BOARD Q1 S1 EQ ENGAGE 3 2 EQ BYPASS 1 J6 L6 C91 L2 L3 L7 C94 C95 C96 L4 L5 L9 J7 J8 R132 J9 R147 R142 C92 C93 R148 R149 R145 R146 S2 EQ Bypass Internal Jumper 70V/100V/8 Ohm Settings There are several jumpers on the Amplifier Boards that are used to configure the amplifiers for use with a 70V distributed system, a 100V distributed system, or an 8-ohm load. The SP2400 is shipped with the jumpers set for 70 Volt operation in U.S. versions, and 100 Volt operation in European versions. You will need to change these jumpers only if you require a different On the Amplifier Boards J1 Jumper pins 1 and 2 for 8-ohm operation Jumper pins 2 and 3 for 70V or 100V operation J2 Jumper pins 1 and 2 for 100V or 8Ω/250W operation Jumper pins 2 and 3 for 70V or 8Ω/150W operation J3 Jumper pins 1 and 2 for 70V or 8Ω/150W operation Jumper pins 2 and 3 for 100V or 8Ω/250W operation J4 Jumper pins 1 and 2 for 70V or 8 ohm operation Jumper pins 2 and 3 for 100V operation J9 Jumper pins 1 and 2 for 8-ohm operation Jumper pins 2 and 3 for 70V or 100V operation J10 Jumper pins 1 and 2 for 8-ohm operation Jumper pins 2 and 3 for 70V or 100V operation J11 Jumper pins 1 and 2 for 8-ohm operation Jumper pins 2 and 3 for 70V or 100V operation J15 Jumper pins 1 and 2 for 8-ohm operation Jumper pins 2 and 3 for 70V or 100V operation L10 C89 R96 R143 R121 R97 R133 R134 R136 R137 C62 SP2400 AMP BOARD JP1 C15 C9 C7 JP2 C17 C18 C8 C10 100V or 8Ω/250W 70V or 8Ω/150W J2 1 2 3 C1 C2 C3 C4 C5 C6 J6 J3 3 2 1 100V or 8Ω/250W 70V or 8Ω/150W 3 J9 2 1 J5 R110 3 3 3 2 2 2 1 1 1 J11 J15 J10 70V/100V 8Ω 100V 70V or 8Ω R68 3 2 1 J4 R67 J1 3 2 1 C11 Amplifier Configuration Internal Jumpers SP2400 - 14 70V/100V 8Ω 70V/100V 8Ω