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Horn -OEM QUALITY 12V DC- Ø=70mm

7674960
Horn -OEM QUALITY 12V DC- Ø=70mm
Horn -OEM QUALITY 12V DC- Ø=70mm
Horn -OEM QUALITY 12V DC- Ø=70mm
Horn -OEM QUALITY 12V DC- Ø=70mm
Horn -OEM QUALITY 12V DC- Ø=70mm

Description


AC/DC?

AC stands for alternating current = alternating voltage = ratchet
DC stands for direct current = direct voltage = horn

ratchet
Many old vehicles without batteries use alternating voltage as the on-board power supply. Only so-called buzzers can be connected to it. These are recognizable by a tone pitch which increases and decreases with engine speed.

Horns
Due to the non-constant frequency, buzzers have not been in conformity with the registration of German vehicles since approx. 1980. At this time, most vehicles were equipped with a battery and a DC on-board power supply. Here the real horns are used, recognizable by a constantly constant pitch, independent of the engine speed.

Exceptions
There are some exceptions where a DC horn was used, despite the AC on-board power supply. Piaggio used so-called horn rectifiers from 1984 onwards, with the introduction of the Lusso series. Here, a special bridge rectifier with downstream capacitors, which is only responsible for the horn, converts the AC on-board power supply for the horn into DC. This rectifier can also be retrofitted to all vehicles with a 12V AC on-board power supply if, for example, the TÜV does not accept a ratchet.

NOTE: Almost all German Vespa PK and PX models require a horn (DC).

(US)


AI-translation

 
€4.95 *

incl. VAT plus shipping costs

Available immediately (delivery time 1-3 working days*)
P For this item you get fidelity point/s
Colour
main colour: silver
Horns
tension: 12 V
current: DC
outer diameter: 71 mm
number of fixing holes: 1, 2
special feature: inkl. Halteblech
OEM numbers (for comparison purposes only)
Peugeot 734847, 771394, 774376
Aprilia AP8212611, AP8112413
Piaggio AP8212611, AP8112413
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AC/DC? AC stands for alternating current = alternating voltage = ratchet DC stands for...Continue reading

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Ratings


10 Jan 2018

Hupt und passt. Chrom nicht so toll .

26 Jul 2017

Qualität ok

16 Oct 2016

Funktioniert und macht was es soll.

14 Oct 2016

Tolles sehr günstiges Ersatzteil.

11 Jan 2016

Gutes Alternative Produkt

25 Sep 2015

Perfekt

18 Sep 2015

alle ok

9 Sep 2015

Macht was sie soll !

12 Jul 2015

passt

27 May 2015

schnelle und zuverlässige Lieferung

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