This size also means that it requires a very modest ait supply, making minimal demand on onboard systems or requiring a very small standalone compressor set.
The Kahlenberg D-330 marine air horn can be supplied in a variety of finishes including Kahlenberg's durable chrome plate, TGIC sky white powder coat, or gold or black chrome PVD.
D-330 air horn specification
The D-330 is constructed from cast bronze and spun brass; it uses triple plating in its chrome version for durability and brilliant appearance.
Fundamental frequencies for this marine air horn are 330Hz and 322Hz and it produces a sound pressure level (SPL) of 133 dB (1/3 Octave @ 1m).
This horn is relatively miserly on air, typically 18CFM at 100psi (8.4l/s at 7bar). it can operate over a wide range of pressure between 50-200psi (3.5-14bar). It can also deal with higher pressures via the use of optional regulators.
Dimensions are 524mm x 394mm x 217mm (20.5in x 15.5n x 8.5in) and it has a net weight of 4.3kg (9lb).
The recommended compressor unit is the Kahlenberg P449-25 24V DC or P449-26 12V DC Compressor Tank Kit. other options can be considered.
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