ZT LunchBox Acoustic Review – Small but Loud

Making a choice between compact size and high power isn`t easy. Luckily, there are amplifiers, that have both these features included. At what price does this convenience come? Let us take a look.

ZT Amplifiers

ZT amplifiers is a really young American company, that manufactures audio equipment. Enginners of Zt are nor afraid to experiment, so some of their products are really unique. As they claim themselves, products of ZT amplifiers are “The loudest small amplifiers in the World”. Let us find out whether this statement corresponds to the reality, by reviewing ZT Lunchbox – one of the smallest amplifiers.

Physical Characteristics

First things first, let us learn the very basics about this amplifier. Knowing the weight, the dimensions and the durability will come in handy while planning your studio.

The Weight Zt Lunchbox weighs 12 pounds (which is a little less than 5.5 kilograms). It is indeed a compact amplifier, which everyone can handle.
The Dimensions This device is 7.5’’ * 9.8’’ * 7,7’’ inches (which is 192 * 250 * 196 in millimeters). The dimensions correspond to the size perfectly, resulting in having a really compact and leight-weighed amplifier.
The Material The material is pretty default. The body is performed of thin plywood, the front panel (where the speakers are) is covered with metallic grille. There is a really durable metallic handle on the top though, which improves the comfort levels a lot.

So now, that you imagine how much place is required for putting this thing down and how much strength you need to apply to carry it, let us proceed to looking at the parameters, that are directly involved in producing the sound.

Technical Characteristics

Mini devices are usually the cut-off versions of their parent devices. This is just the case. ZT Lunchbox Acoustic looks exactly like the child of ZT Classical amp:

Speakers

This amplifier has a single 6.5 custom-designed speaker. The developer says, that it has some sort of unique construction, which makes the sound really loud. Well, we`ll find it out later. The amplifier works with 75 Watt of power, has an A/B construction and go as loud as 114 DB (like the subway train).

Inputs and outputs

There are two outputs: one for the speaker, and one headphone output. Sound isolating is by far the best learning practice, so I approve this construction. There are four inputs: ¼ instrument channel, ¼ and XLR mic channel, the power cable input and an auxillary one, for connecting all the devices. Wide variety of inputs makes it possible to create a lot of combinations, which is nice noth in terms of performing and practicing.

Controls

ZT Lunchbox has two independent channels, each of them has following set of controls: Gain, Bass, Treble, Reverb, Volume, AntiFeedback, phantom power and mute switch. If you enjoy adjusting things, you`ll have a lot of fun with this one.

The Features

The last thing before testing the sound is checking the features, that the developer himself thinks are the most outstanding. Here is what I managed to find:

Switchable power levels

The amplifier can go in 115V or 230V modes. It influences two things, the power of the sound and the amount of consumed energy. The second one isn`t that important though, as the amplifier can only worked while being plugged-in.

Independent control channels

I`ve already mentioned it briefly, but this feature deserves more attention. The combination of high amount of adjustability parameters and possibility to choose the personal options of sound for each channel, make Lunchbox a perfect amplifier for two.

Anti-Clip limiting circuit

This does not have any direct influence on sound quality, however it can once save several hundred bucks. The thing is that this type of build prevents breaking the electronic part of amplifier during energy troubles or intense work. Saying same in more simple words: it is the extra layer of insurance.

Okay. All the theoretical part is behind, time to start doing some tests.

Sound Test

While being great-built and everything, this amplifier still remains a mini-version, which puts certain limitations on it. Although the overall level of sound quality was decent, there were some problems.

Advantages

  • High adjustability and sensitivity

I personally enjoy things like adjusting sound a lot. Doing it with this amplifier is a pleasure. Every knob responses easily and makes sound change exactly as you want it.

  • Loud sound

Well, the engineers did not lie, the sound produced by this amplifier is really loud indeed. It is, according to the feedbacks, is enough for having the full-band rehearsals (including acoustic drums). However, it is still mini, so…

Disadvantages

  • Only good for rehearsals and small performances

It is still a mini-version only, so if you are looking for bigger audience, you`ll definitely need a more powerful and professional device, The first thing I recommend checking is the parent of this amplifier.

Related Products

Before summing things up, let us take a quick look at the full version of ZT amp. Here are the most important of its` parameters:

  • 200 Watt power. Almost three times as powerful, as 75W Lunchbox Acoustic amp.
  • Compact Dimensions. While being more powerful, it uses pretty much all the same material, so it is as small and light-weighed as all the other Lunchbox amplifiers.

However, this is not an acoustic amplifier, so keep in mind, that its` functions differ a little.

Conclusion

So, to finish the review, let us sum up the most important things we found out today:

  • ZT Amplifiers is a young American company, that uses innovative decisions in constructing their products.
  • Lunchbox Series from ZT is a set of compact and powerful amplifiers.
  • ZT Lunchbox acoustic is a perfect mini-sized amp, however it lacks power for making performances in front of huge audience.
  • In case you are looking for something more powerful, check out the other products from ZT. The company has a lot of great amplifiers and audio equipment.

This was it for today`s review. Good luck with mastering the guitar.

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