I would like to introduce the Positive Grid Spark home practice amp, which was released in October 2020.
Positive Grid / Spark
What's so great about the Spark?
It's a high quality amp with a lot of interesting features!
First of all, as an amplifier, it has a large output of 40W, which is loud enough for home use.
And two stereo speakers
This means that it produces a three-dimensional sound.
This is especially obvious when a reverb type effects pedal is applied, and it gives a feeling of being enveloped.
Honestly speaking, the sound is the real deal!
I guess it's because Positive Grid has been researching modeling amps for many years,
Everything from warm, sparkling clean tones to bass-heavy, powerful distortion is genuine.
I want to produce this kind of sound! This amp is the answer to your prayers for this kind of sound.
The following functions are available only with the main unit.
Amplifier: 7 types
Knobs: GAIN, BASS, MID, TREBLE, MASTER,
Effects: modulation, delay, reverb
Preset storage for up to 4 channels
Tap button for delay time adjustment
Tap button long press for tuner

It has all the features of an amp.
However, Spark's greatness begins here.
By linking it with the “Spark” app for iPhone, iPad, and Android, you can also try more features.
The dedicated app can be downloaded for free, so you can try out the features even if you don't actually own a Spark yet.

Dedicated app (free)
Here is the list of features.
- 7 types of amplifiers → 30 types
- 3 types of effectors -> 40 types
- Tone Cloud
- Smart Jam
- Automatic chord analysis
(7 types of amps → 30 types)
You can choose as many amps as you want. The key point is that you can see how the amps look on the app's screen, so it's visually appealing.

Effects Pedal Types go from 3 types -> 40 types
(noise gate, compressor, distortion, modulation, delay, reverb)
You can choose as many as you want.

Another reason for recommending this is the advantage of being able to try out effects pedals easily.
There are many effects pedals in the world, but for those who have just started playing guitar, it is difficult to understand what each effects pedal does, even if you listen to demo performances on YouTube, etc. With Spark's built-in effects pedals, you can easily try out effects that you have never tried before and since the knobs on the effects pedals are reproductions, you can play around with them as much as you like.
Tone Cloud
You can share your presets with other users around the world.
You can try out presets instantly and I recommend going on a trip to search for presets.

Of course, you can also upload your own presets, so why not show off your presets to users all over the world?
You can also search presets by title or tag.
For example, if you search for “Queen,” you can download Queen presets created by amp builders around the world. You can also display presets in order of popularity, so you can easily find the most popular presets.
Smart Jam

With this function, Spark will play the drums and bass for you so you can jam with ease.
There are 4 genres: POP, Rock, Funk, and Blues.
BPM can also be changed and the bass guitar can be removed.
This is a good companion for playing the guitar solo at home.
You can also create your own original music and enjoy your own session by selecting a drummer and playing chords.
You can also change chords by pressing and holding the chord chart, which is a nice feature.
The Smart Jam function cannot be “saved,” which is a good sign of Positive Grid's intention to make this a jam session.
Automatic Chord Analysis

The software automatically analyzes the chords of millions of songs on YouTube.
This feature is especially recommended for beginners and eliminates the need for playing by ear.
You can also loop the part you want to practice and change the speed to double speed.
This is a great feature for those who want to play guitar while playing along with YouTube.
And, there are two more great features.
- Bluetooth speaker
- USB audio interface
The Bluetooth speaker allows you to listen to music as a speaker.
The USB audio interface function can also be recommended for those who want to start recording guitar in DTM.
How was it?
If you have Spark at home, your guitar life will be more fun and convenient from now on. Of course, it can also be used for bass guitar!
It is truly an amp for the whole family!
Positive Grid / Spark
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