Note: Speaker only suits SDS K class models with the flat-sided tender. This speaker does not suit the as-built "flared-top" tender K class by SDS models. Items required: ESU 58429 LokSound 5 DCC decoder DCCSound premium speaker for SDS models K class with flat sided tender
The tender is disassembled via two screws located under the tender floor towards the back of the tender. The tender top is then removed from the chassis.
The two factory speakers are then removed by first undoing and removing the four screws that hold the PCBA down to the chassis. The factory speakers (drivers and clear enclosures) are removed.
The four screws are loosely reaffixed in place, holding down the PCBA to the chassis. The two front screws can be done up, but the rear two should be loose, as only these can be accessed once the new speaker is in place. The new speaker is then a sliding fit underneath the PCBA as shown below.
Note: Route the two red track pickup wires around either end of the PCB, which is required so the side of speaker can sit against the PCB. This is required so the tender jacket can be refitted.
Once the speaker is in place, the two speaker wires are soldered to the decoder, on the underside of the decoder's PCB.
The tender top is then refitted to the chassis, and the two screws refitted on the underside of the tender.
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