Diamond D393I, D373I, D363.5I, D343, D353 Tweeter Mounting, Crossover Programming, RAF Outputs

Mounting Cup

Clamp Ring

When flush or surface mounting tweeters, make sure the desired location can accommodate the hole size and depth required. Mount the cup using provided hardware (flush mount illustration shown on right.) Mount surface cup at desired angle with

provided screws in tweeter mounting kit. Snake speaker wires through tweeter cup, connect tweeter to wires, and snap tweeter into cup by aligning the notches. Be careful not to push on the center of the tweeter grill.

Crossover Programming

Each D3 component set comes with a pair of model specific programmable crossovers. Under the cover there is a jumper marked “TWEETER” + 2dB, 0 or - 2dB. Tweeter attenuation can be achieved by moving the jumper to the appropriate position. The 0dB position has no attenuation effect on the tweeter.

RAF Outputs

Each D3 component crossover has a third set of outputs marked “RAF”. This stands for Rear Acoustic Fill. This output can be used to power an additional speaker off the same channel without affecting the impedance load on the source unit. This output provides 15-20% of the total power to the extra speaker and is unfiltered or full range.

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