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Heljan OO Class 33 21pin

Heljan OO Class 33 Diesel - 21pin version

Kit: MS440C, Lurve8 speaker

Heljan's update to their Class 33 OO diesel now comes with a 21pin DCC socket, so MS440C is the decoder here. However, little provision is made for a speaker so we opt for a Lurve8 which just fits on top of the circuit board under the roof. An alternative may have been possbile in the fuel tank, but this sound reasonable and is an easy fit.

Shown here with the blanking plate still in before installing the DCC Sound kit.

Example 1 Example 1

The speaker connection is via a 2pin socket hiding underneath the decoder area. Heljan have helpfully provided a plug for this with flying wires (red and white).

Example 1 Example 1

Example 1

Photos courtesy of Peter Tisdale, Intercity Models

Here's another example, same kit...

Example 1 Example 1

Example 1 Example 1

See how Heljan have provided a 2pin plug for the speaker, which makes like much easier than having to source a plug, or solder directly onto somewhere.

Example 1 Example 1

The Lurve8 speaker and sample 1000uF capacitor are protected with Kapton tape and secured centrally on the model's PCB. Perfect fit!

Example 1 Example 1

Example 1 Example 1

Example 1 Example 1

Example 1 Example 1

Disclaimer

Please note that these guides are provided as useful resources for you, as-is. YouChoos cannot be held responsible for errors in the information, or for any damage caused to your models or equipment if you choose to follow any of the steps detailed here.

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