Ask C421 projector lamp
The Ask C421 takes lamp APU-L4 . It comes as a complete module, with the bulb already fitted in its housing.
The code printed on your old lamp or its housing should match one of the codes listed above. Ask and third-party suppliers sell the same lamp under several numbers.
The model number is on a label on the base or rear of the projector, and in the on-screen menu under Information. Still unsure? Send a photo of the old lamp and we'll confirm the match.
Which lamp does the Ask C421 take?
The Ask C421 uses APU-L4, also sold as APU-L4-H.
Should I buy the bare bulb or the module?
This model's lamp is sold as a complete module: the bulb comes fitted in its housing, so you replace the whole unit in one piece.
How long does the C421 lamp last?
Rated life depends on the lamp mode you run and how the projector is ventilated; the lamp's own page lists the figure where the manufacturer publishes one.
Does the same lamp fit other Ask projectors?
Yes. The same lamp also fits the Ask C411, the Ask C431, the Ask C431W, the Ask E2425W, the Ask E2465.