Today, the value-friends of Zhang Aunt’s friends are Amway’s desktop box with a price of around RMB 2,000. This price is also a value-conscious one. Let me first talk about the background of this brand. The Audioengine brand was founded in 2006 by Dave Evans and Brady Bargenquast, and produces professionally tailored monitor audio equipment for studios. The Audioengine brand has personally touched several of its products, such as the Sonic D1 decoder, which is portable, compact, and sound-quality. Sound engine B2 Bluetooth speaker, sound HIFI, quality three-band balanced. The sound engine A5+ in this article is a desktop-level active speaker, and is also the main product of the sound engine.
The acoustic engine A5+ uses a pair of 5-inch woofer 2.0 speakers, A5+ is an upgraded model of the A5 listed in 2006, won the "What Hi-Fi?" five-star recommended, located at the desktop level, and is active , Convenient users in one step, saving a lot of investment in collocation.
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Exterior:
A5+ uses a white lacquer box, the whole is white and flawless, the size is 27cmx 18cm20cm, it is also very wild with furniture at home and it looks very beautiful. In addition to white paint, acoustic engine A5+ also satin black, pure wood color, and the box shell is solid carbonized bamboo, it is suitable for home placement. The acoustic engine A5+ uses a 5-inch woofer and a 20mm silk diaphragm tweeter. The 5-inch subwoofer uses a Kevlar braided basin, and the bass will be more prominent. The left box of the A5+ is the main box, weighing 7 kg, and the right box has 4-5 kg. The overall box is heavier than the box of the same size, mainly the active speaker has many circuit boards and heat sinks built in.
The rear of the A5+ main box is very versatile, providing two sets of input voltage switching that can be switched between 120V and 240V with a fuse next to it. At the top left is a set of 3.5mm stereo input connectors, below is a set of RCA input connectors, and a set of RCA output connectors. The main box backplane also provides a USB power supply interface, output voltage is 5V, current intensity 500mA, can be connected to the sound of the wireless audio transmitter, the bottom is the two output to the secondary metal box interface.
A power/status indicator is located at the bottom left of the A5+ main box. The small dot is a remote control signal sensor. On the right is the volume knob, which uses a non-polar digital adjustment instead of a potentiometer design. The advantage is that the mechanical aging will introduce noise when the potentiometer is used for a long time.
The A5+ has a high degree of similarity between the front of the sub-tank and the main tank. The backplane has only one set of metal-to-column connections from the main tank to the sub-tank.
The sound pump A5+ is equipped with a sponge pad at the bottom to reduce resonance, and there is an anchor hole in the middle of the sound mount.
The accessories included with the A5+ include: a 3.5mm recording cable, an RCA Lotus audio cable, a main and auxiliary box, a gold and silver cable, and a power cable.
Hardware Configuration:
The A5+ uses a TDA7294 power amplifier chip, which can achieve a total peak power of 150W. It also has sound coverage for large rooms. The A5+ volume control chip is equipped with a JRC NJW1159, STS KBL406G rectifier bridge, and the overall hardware configuration is also very good.
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Sound engine A5+ sound listening:
Tri-band distribution: The sound engine A5+ is slightly more prominent in the midrange, and other more balanced boxes. Similar to the tuning of American speakers, it also has a certain relationship with its brand attributes. The sound is transparent and the vocals are more decorated, which is very different from the traditional monitor style.
High frequency: The sound of the acoustic engine A5+ is delicate, and it shows clear lines on the strings. The detail richness of the high frequency is quite satisfactory. The high frequency dyeing is not particularly prominent, and the taste is also light and the high frequency is More resistant to hearing, high-frequency stimulation is not strong, high-frequency brightness is also impartial, comprehensively speaking sound engine A5 + high frequency law-abiding.
IF: The sound engine A5+'s midrange is a certain modification of the front, for thin, thick sound can respond well, thin sound like Faye Wong, can clearly demonstrate its empty inspiration, permeability, thick as Tsai Qin The mellow feeling can be well restored, and the vocal sound is warmer on the whole. There are some vocal staining in the processing method, but it is not excessive or the reduction of the vocal sound is dominant. The vocal sound of the acoustic engine A5+ is more likely to be prominent in the interpretation, and the vocals are prominent as a whole.
Low frequency: sound engine A5 + low-frequency compact sense of looseness is lacking, acoustic engine A5 + low-frequency cohesion is very good, sound engine A5 + low frequency and mixed, chaotic, stuffy completely do not take sides, sound engine A5 + low-frequency sense of moderate, low frequency very condensed, for The music with strong impact performance is very good. The low frequency of the acoustic engine A5+ will understand the primary and secondary.
Sound field: The Sound Engine A5's sound field can easily cope with ordinary pop music. The classical large-scale production can handle about 80%. There are some gaps between high-end boxes at the level of large-scale compilation. Of course, the sound engine A5+ is not prepared for the classical party. The small and choreographed acoustic engine A5+ still performs very well.
Resolving Power: The resolving power of the Sound Engine A5 is relatively moderate to that of the same level box. The acoustic engine A5 is not known for resolution. The acoustic engine A5 is focused on musical sensation and human voice.
to sum up:
A5+ belongs to the vocals, and the low-frequency texture is good. The tri-band speakers are evenly balanced. If they are simply used as desktop-grade speakers, the late-stage investment is less, and the front-end compatibility is the advantage of the A5+. These advantages are also similar. Level speakers can not do, coupled with excellent workmanship, good face value, as a desktop-level speaker is still very good.