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Acet/Tonna 21231 - 2 Wire Speaker Amplifer
Quickcode: 6367
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If you order this unit you will be sent a F21227/212282.
This amplifier has been replaced by the F21227/ 212282 Tonna Part Number:- 641681 - The style of the F21227 has changed they no longer produce the old style white case images 2 & 3. If you are fitting it in the old Avon panels you would need to modify the mounting to get it to fit but it will work electronically.
Two Wire Acet Amplifier
The Acet F21231/AV Amplifier can also be used in place of the Acet 21232 which is now obsolete. Please note the new unit is physically bigger so may not fit in all original intercoms.
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