Subwoofer and speakers (NG10 Fields Farm Estate)

Altec Lansing ACS250 subwoofer and two ACS400 speakers.
The speakers/sub are working but the subwoofer has a crackle when you adjust the bass volume and the speakers are not as loud as they once used to be.
Works as-is, but probably suitable for someone who knows a little about electronics to sort.

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Collection Times
Able to accomodate most times and days.