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51.95 (inc VAT)
43.29 (ex VAT)

Part Number 100A
Grothe Croma 100A Electronic Wired Doorchime
A robust and sophisticated wired wall mounted doorbell powered by either batteries, or an external transformer.
A robust and sophisticated wired wall mounted doorbell powered by batteries or an external transformer.
  • Supplied with 17 CD quality sounds (listen to the sound samples below by clicking on the sound icon).
  • Loudness up to 86dB, with rotating volume control
  • Front door / back door operation, with alternate chime sounds for each bell push button
  • Powered via an 12 V A/C mains transformer (not included), (Model E3538S) or batteries.
  • Silence button to allow the chime to be silenced conveniently.
  • Convenient front opening panel for sound choice and adjustment
  • Extremely robust German design.
Sound Samples (Click Speaker Icon)
3 Tone
2 Tone
2 Tone x 2
Gong 3
9 Tone
Gong 2
Gong, & Bark
8 Tone
Dog Bark
To Download the pdf of the manual click here :[ Croma 100A Manual.pdf ]
  • Dimensions - 164mm x 190mm x 51mm. (6.5" x 7.5" X 2" approx).
  • Colour, black sides with clear perspex front on silvered background.
  • Chime can be powered by an 12V a/c, 1.5 amp mains transformer (E3538S) (not included).
  • For battery use (4x1.5V, type LR14/C, alkaline batteries)
  • Front door - back dooroperation , with second bell push button.
  • Sound Level dB@1M, 86db.
  • Special alarm function with emergency call tone for special situations
  • No of polyphonic tones available, 17.
  • Mute function.
  • Please note, this doorbell is not suitable for use with illuminated bell push buttons
  • Operating temperature range for all chimes is 5C to + 40C.

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