IAG - Model DD14 - Ultra Powerful Sound Source
When we need to perform airborne sound insulation tests between enclosures with high acoustic insulation (above 70 dBA DnTA), we have a serious problem: we can not generate sufficient sound level in the emitter enclosure to measure levels in the receiver enclosure with sufficient and acceptable Signal / Noise ratio. Well, because the insulation is very high or because the background noise in the receiving space is too. Consequence: we know that the insulation is greater than a XX dB value, but we do not know the true value.
The solution is:
The new omnidirectional sound source ULTRAPOTENTE, dodecahedral, model IAG DD14.
Its great acoustic power, of 127.5 dB, certified by an independent laboratory, probably the most powerful on the market, makes it easier for us to carry out insulation tests between heavily insulated venues, such as discotheques, pubs or other activities, where the demands of acoustic insulation are maximum and where another type of dodecahedrons are not able to reach enough values of sound pressure level, in the emission room, as to evaluate isolations close to or greater than 75 dBA (DnTw + C).
This source combines the high levels of acoustic power generated with its reduced dimensions and its optimized weight.
Technical characteristics:
- Sound power level: 127.5 dBC (1pW ref) to pink noise.
- Frequency range: 50 Hz -10,000 Hz.
- Omnidirectional and uniform radiation according to: apdo. 4.2.1 of ISO 3382-1 and ISO 3382-2; Annex A1 of ISO 140-4; Annex A2 of ISO16283-1: 2014 and Annex D2 of ISO 10140-5, among others.
- Permissible electric power: 2 x 450 W r.m.s.
- Impedance: 2 x 5.3 Ω
- Standard input connector type «speakON».
- Dimensions: 31 cm (distance between opposite sides).
- Weight: 13.4 kg
- Accessories included:
- Ultralight aluminum tripod (maximum height 2m)
- Padded bag
Options or accessories available for the sound source IAG DD14 (not included in the price):
- IAG DD500G power amplifier ultralight and powerful, with RF remote control and built-in internal pink noise generator.
- Test of directivity of its sound source.
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