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Comparison Kustom Sienna 30 Pro vs VOX Mini5 Rhythm

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Kustom Sienna 30 Pro
VOX Mini5 Rhythm
Kustom Sienna 30 ProVOX Mini5 Rhythm
from £148.00 
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Main
Built-in rhythms (99 pcs) with tempo control (40 – 240 beats per minute). Built-in tuner
Device typecombo amplifiercombo amplifier
Featuresacoustic guitarelectric guitar
Typetransistordigital
Specs
Power30 W5 W
Impedance4 Ohm
Woofer size (LF/MF)10 "6.5 "
Effects and adjustments
Equalizer3-band
Analogue simulation
Digital effects block
Gain
Effects
Reverb
 
 
 
 
Reverb
Tremolo
Chorus
Delay
Flanger
Connectors
Instrumental1 pc1 pc
Line inputmini-Jack (3.5 mm)
MicrophoneJack (6.35 mm)Jack (6.35 mm)
HeadphonesJack (6.35 mm)mini-Jack (3.5 mm)
Line outJack (6.35 mm)
Cabinet outputJack (6.35 mm)
General
Built-in compressor
Autonomous power supply
 /6xAA/
Dimensions380x460x245 mm267x269x179 mm
Weight31 kg3.5 kg
Color
Added to E-Catalogjanuary 2018september 2017

Features

The instrument for which the amplifier is intended.

In general, the meaning of this paragraph is quite obvious, we note only a few nuances. So, it hardly makes sense to use an “amp” for an acoustic guitar with an electric guitar, and vice versa — these are two fundamentally different instruments with different initial sound characteristics. In addition, combo amps for electric guitars are quite often equipped with a set of additional effects, including distortion or overdrive (see "Effects"), although there are many models without such functions. But in devices for “acoustics”, although effects are also found, they are not so “radical” and are intended mainly for easy sound processing, and not for its fundamental distortion. In bass amplifiers, in turn, it may be possible to connect an active electric guitar and work two instruments at once through one “amp”.

Type

The type of device is determined by the element base — the main type of parts on which the power amplifier circuits are built. Accordingly, this parameter is relevant only for equipment with such amplifiers; for cabinets (see "Type") it is not indicated.

The most popular nowadays continue to use traditional types of amplifiers — transistor and tube. Digital models are noticeably less popular, and hybrid solutions are rare at all. Here is a detailed description of each of these options:

— Transistor. Amplifiers of this type are relatively simple and inexpensive, while being able to provide quite acceptable sound quality (although, of course, everything depends on the class). It is the “transitor” that is recommended for beginner guitarists as the first “combo”, although there are quite advanced models among such devices. Of the unequivocal advantages of transistor circuits, one can name the durability of the components and the ability to easily transfer frequent carrying from place to place. As for the sound, in such devices it turns out to be more “dry”, “flat” and “cold” than in tube models, which many consider to be a clear disadvantage. At the same time, in the case of electric guitars, even this is quite enough for initial training, rehearsals and not very “fancy” performances; in addition, some transistor ampl...ifiers use specific signal processing to give the sound a tube-like sound. And combo amplifiers for acoustic guitars are overwhelmingly made with transistors.

— Lamp. Historically, the first type of amplifier, which, nevertheless, is still considered almost the standard when it comes to electric guitar (tube circuits are practically not used for acoustic guitars). The main advantage of such devices is the notorious “warm tube sound”, a characteristic soft, warm and at the same time rich coloring of the sound. At the same time, we note that the level of distortion in tube circuits is higher than in transistor circuits, however, these distortions are more pleasant to the ear, in many respects they provide the mentioned coloring. The widespread use of tube amplifiers is hindered primarily by their high cost — several times higher than that of transistor amplifiers with similar characteristics. In addition, among the disadvantages of such devices, it is worth noting the delicacy (the lamps do not tolerate shocks and shocks), the rapid wear of the lamps and the need for their regular replacement, as well as the need for warming up after switching on. However, professional musicians prefer to use mainly tube devices.

— Digital. Chip-based amplifiers using digital audio processing. The main advantage of such devices is the extensive possibilities for modeling sound and providing various effects. In particular, there are many models that copy tube amplifiers: the imitation is very reliable, and sometimes almost indistinguishable from the original. At the same time, digital models are devoid of many of the shortcomings of lamp technology: they are simpler, cheaper, more durable and more resistant to shock and shock. At the same time, digital processing is considered to take away personality from the sound, and many high-end audio enthusiasts are suspicious of digital solutions.

— Hybrid. Hybrid devices are devices that combine transistor and lamp circuits; usually a preamplifier is made with a tube, and a power amplifier is made with a transistor. In fact, this is a compromise between purely tube and purely transistor models, which allows you to combine the advantages and partially compensate for the shortcomings. Thus, hybrid solutions are noticeably cheaper than lamp solutions, they are lighter, more compact, less delicate and have fewer lamps that require regular replacement. And the sound at the same time turns out to be softer, cleaner and “warmer” than that of transistor analogs. At the same time, not many musicians choose such a compromise: those who strive for the highest quality and reliable sound prefer to spend money on tube equipment, and undemanding users (such as amateurs and beginner guitarists) are quite satisfied with transistor models. Therefore, there are relatively few hybrid models on the market.

Power

Rated power of the device.

Let us recall that in acoustics the rated power is the highest average (root mean square) power of a sound or signal that a device can produce for an indefinitely long time. Individual volume jumps can be several times higher than this indicator, but the key characteristic is the average value. But the specific meaning of this parameter depends on the type of equipment (see above). So, for combo amplifiers, this paragraph usually gives the power of the built-in speakers; The capabilities of your own amplifier, by definition, correspond to this figure, so for such equipment the rated power determines solely the overall sound volume. The power of the acoustics is also indicated for cabinets, but here another point becomes relevant - compatibility with an external amplifier (primarily the “head”). The output power of this amplifier should not be higher than the rated power of the cabinet to avoid overloads; and ideally, these characteristics should match - this will allow you to use the speaker at full power without sound distortion.

For the head, accordingly, this paragraph provides the rated output power, which determines the ability of the amplifier to operate with a specific cabinet or other speakers. However, it is worth noting that the maximum possible power value is indicated as the nominal value for heads, which is not always achieved. Thus, many models provide several sound outputs - for passive acoustics with different...impedances (remember, standard impedance values are 2, 4, 8 and 16 Ohms); and the higher the impedance of the connected speaker, the lower the actual power will be. Other heads have the ability to limit the maximum power - for example, so that at the maximum level the device produces not 100 W, but 50 W or even 25 W. Sometimes these features are combined in one device.

In any case, when choosing according to this indicator, it is worth taking into account the features of the planned use of the equipment. For example, it hardly makes sense to purchase even a 40-watt “combination” for practicing at home - for these purposes 15 watts, or even less, will be quite enough. And if we are talking about a tube device, then in our example the maximum recommended power will be only 5 W - the specificity of tube circuits is such that with the same rated power they are more effective than transistor ones in terms of audibility. For rehearsals in a group without a drum kit (for example, two guitars plus a bass), a higher power is desirable, about 40 “transistor” watts, and if there are drums, at least 60 watts. Transistor devices with a power of up to 150 W and tube devices with a power of up to 40 - 50 W are suitable for specialized rep bases and concerts in relatively small rooms, and higher figures are found mainly in equipment for large-scale events. Detailed recommendations regarding optimal power for certain conditions can be found in special sources.

It is worth mentioning bass amplifiers separately: it is believed that for normal coordination with each other, the power of a bass “combination” should be twice as high as the power of a guitar one.

Impedance

The impedance of the speaker(s) installed in the amplifier.

Impedance is the resistance to alternating current — that is, the current flowing when an audio signal is applied. This impedance affects the compatibility of the speaker with the power amplifier: if the impedance is too low, sound distortion occurs, if the impedance is too high, the volume is reduced. However, in combo amplifiers, this parameter is most often given as a purely reference: such devices have their own power amplifier, which, by definition, is designed for the impedance of the “native” speaker, and separately, with extraneous components, the speaker and amplifier are not used.

Woofer size (LF/MF)

The diameter of the woofer or woofer installed in the combo amplifier. The specific value of this parameter may be different, depending on the number of lanes (see above). In three-way systems we are talking about bass dynamics, in two-way systems — about the dynamics responsible for low and medium frequencies; and if the amplifier does not have band separation, this paragraph indicates the diameter of the main radiator.

In general, the larger the radiator, the louder it can sound and the richer the bass from such a speaker is. At the same time, we note that the speaker diameter is selected by the manufacturer based on the power of the built-in amplifier and the expected sound volume. So the main indicator when choosing is still the rated power, and the size of the speaker is more of a reference value.

Equalizer

Type of equalizer provided in the device design

An equalizer allows you to change the volume of a separate part of the sound range (frequency band), thus changing the color of the entire sound. This is one of the most important functions related to audio settings; therefore, it can be provided directly in the guitar amplifiers themselves. And the type of equalizer is indicated by the number of bands available for adjustment.

The more of these bands, the more accurately you can adjust the sound, but the more complex and expensive the equipment becomes. In light of this, the simplest option involves only 2 bands - low and high frequencies; Often such an equalizer looks like two separate knobs for adjusting the bass and treble levels. At the same time, we note that similar functionality can be found in both budget and high-end guitar amplifiers: in the second case, it is assumed that if finer adjustments are needed, you can use external equipment. However, three-band solutions (low, mid and high frequencies) are the most popular these days: such an equalizer provides quite extensive possibilities for adjusting the sound and is relatively inexpensive (and if finer adjustments are required, you can use external equipment). 4-band equalizers are noticeably less common, but are also quite popular (including in inexpensive devices); and some models provide...5 or more (up to 12) adjustment bands.

Analogue simulation

The presence of an analogue modeling function in the amplifier.

The meaning of this function lies in the fact that with the help of analogue sound processing, the amplifier changes the sound in a certain way, giving it one colour or another. So, many models provide modeling the sound of certain classical guitar amplifiers and/or cabinets; of course, there is no question of absolute similarity, but sometimes a copy can be almost indistinguishable from the original. Other models built on transistors (see "Type") can copy the sound of tube technology. And the analogue method of sound processing for such modeling was chosen because it allows you to do without unnecessary conversions (unlike digital); this has a positive effect both on the quality and atmosphere of the sound, and on the price and reliability of the equipment.

The specific features of analogue modeling in each case should be clarified separately, however, anyway, it significantly expands the functionality of the amplifier and provides additional features for fine-tuning the sound.

Digital effects block

The presence of a block of digital effects in the amplifier. Note that this function can be provided in any models, not only digital ones (see "Type").

As the name implies, this function allows you to change the sound in one way or another, sometimes quite drastically. See below for the most popular effects; their specific set may be different, it should be specified separately in each model. Here we note that without this function, additional external “gadgets” will be required to work with effects.

Gain

The presence in the amplifier of the regulator "Gain".

This control is responsible for adjusting the intensity of overdrive when using effects such as distortion or overdrive. Thanks to him, you can change the severity of these effects — from almost complete absence to pronounced distortion, which has little to do with a clean guitar sound.
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