The LD Systems Maui 28 G3 is a compact, full-function PA system consisting of a 53cm subwoofer cabinet and two 1.54m column speakers with tweeters and midrange drivers. Despite the smaller size, this PA offers a full-range reproduction of up to 20kHz and, with its integrated DSP and wireless plug-in connection, it's not just easy to operate, but can be installed right out of the box – plug and play in the truest sense. Its line inputs with XLR-TRS combo sockets offer flexible connection options, and the XLR line output and two through sockets mean professional users will have all the cable connections they need. The revised features of this system now ensure even more transparency and punch with less harmonic distortion and fewer phase cancellations. The system is modularly expandable, which is to say that it can be implemented in either main or follower mode. The third generation of this compact PA is compatible with Bluetooth 5.0 and uses the AAC codec, which promises high sound quality when streaming audio.
Compared to the G2, the LD Systems Maui 28 G3 can now reproduce even deeper bass sounds: Not merely the impressive 45Hz of its predecessor, but right down to an ultra-low 37Hz – thanks to its use of a 12" subwoofer instead of two 8" cones. The twelve midrange drivers of the G3 system now have a diameter of 3.5" and are equipped with phase plugs to enable even more precise reproduction. In addition, the waveguides of the two 1" tweeters are now curved in order to give their sound waves even greater focus, and thus further optimise their phase behaviour. The woofer is equipped with the second generation of the Dynx DSP, which not only features multi-band dynamic processing, but also has FIR filters for the equaliser and crossover, thus reducing phase problems even further. The revised shape of its four (yes, four!) bass reflex ports are designed to help reduce flow noise.
Singer-songwriters, DJs, solo entertainers, and even small bands will enjoy using the LD Systems Maui 28 G3 as a compact PA system for gigs in pubs, bars, youth centres, and at parties. The powerful class-D amplifier integrated into the subwoofer provides 1,030W RMS, making the system suitable for sound reinforcement for as many as 200 people. Despite the simple operating principles of this compact PA, it can easily be controlled and configured manually because the volume of the subwoofer and column speakers can be adjusted separately; as such, the LD Systems Maui 28 G3 provides a maximum sound level of 127dB SPL without distortion. Musicians and event organisers who value a high level of operational safety will find a system here that offers protection circuits against overloading, overheating, short circuits, and D/C problems. The white version of this package is particularly suited to sound reinforcement in churches, chapels, and other places of worship.
LD Systems originated in Germany and is a brand of the Adam Hall Group. The company’s ambition is to give musicians the freedom they need to effectively express their musical ideas on stage. To achieve this, LD Systems has developed products that include affordable speaker series, wireless microphones, and in-ear monitoring systems. LD Systems attaches great importance to the durability and user-friendliness of its products. Right from the development stage, attention is paid to simple, intuitive, and effective operability. LD Systems also pays great attention to the design of its equipment, so that the technology is not only acoustically but also visually attractive. Accordingly, LD Systems has already been awarded several renowned design prizes.
The robust construction of the LD Systems Maui 28 G3 (the subwoofer is made of birch multiplex with a polyurea coating) will be a huge plus for anyone who has to transport their PA to gigs and other locations. Thanks to the wireless multipin connection, the whole system can also be installed and dismantled in no time at all. The column speaker is easy to transport, weighing in at 12.6kg (under 30lbs), because its housing is made of powder-coated aluminium, making it robust yet lightweight. The third-generation subwoofer now has four carrying handles, so its 22.8kg (about 50lbs) weight is even easier to carry. If the system is optimised by adding a second subwoofer, a cardioid bass dispersion pattern can be activated, making it perfect for use in targeted sound reinforcement at trade fair stands, for example. However, the system can also be used for readings and lectures, utilising its ability for precise sonic targeting.
The abbreviation FIR filter stands for finite impulse response filter, which is a type of digital filter that reproduces an analogue input signal by means of a finite impulse response. FIR filters (also described as non-recursive filters) have been used approximately since the 1990s for the purpose of linear phase equalisation in loudspeakers or steep slope filtering in crossover filters. They provide a solution to the common problem of phase shifting that occurs in PA systems using filters. By preventing these shifts, FIR filters ensure a more precise and powerful sound in loudspeakers. Thanks to the particularly high performance delivered by modern digital controllers, digital power stages are now capable of implementing FIR filters that provide a sufficiently low latency for PA purposes. At low frequencies, however, FIR filters can cause audible artefacts (pre-ringing).