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A premium upgrade to your Markbass amp.
Fill your cab with the best.
Only Peterson strobe tuners respond at the speed of light to display relative tuning of any audio source to...
No matter what instrument you plug into your amplifier, putting on the best performance that you can is probably at the top of your list of priorities. A great-sounding amp is essential—and you can go the extra mile by personalizing its appearance, too. For form and function alike, there are plenty of instrument amp parts to satisfy your tinkering needs.The first things to consider are the amp's electronics. If you have a tube-based amplifier, that means preamp, power and possibly even rectifier tubes. These components have a big impact on your sound, so you should definitely take them seriously. Preamp tubes are generally the most important, since they respond directly to the signal from the guitar to create your amp's tone. Next up are the power tubes, which do further fine-tuning on the tone as they boost its strength. Less common than the other two types, rectifier tubes are usually found on boutique or vintage amps, and primarily impact the responsiveness of the amp. For any of the three tube varieties, there's no definitive way to say what makes a certain tube preferable to others—you'll probably have to rely on your ear to figure out which tubes you like best.Speakers make up the lion's share of the parts in our selection, and for good reason: they come in a number of different sizes and power levels. Make sure you take both into account when choosing a speaker, because it's important to keep within the specs of your amp. If the wattage of your speaker is too low for your amp, you run the risk of blowing it. If it's too high, the amp will have trouble driving it. And, of course, the speaker needs to physically fit into its mount on the amp.Other parts and accessories will help you customize the outside of your amp. Casters and gliders, for example, provide secure footing for your amp while making it a bit easier to handle. An amplifier that's frequently on the road may need replacement handles and corners from time to time, or you might even just change them out for aesthetic reasons. To really make the amp all your own, dress it up with some aftermarket jewels and knobs. It's all down to the image that you want to create for yourself.Whether you're looking for replacement parts, upgrades or customization, you're in the right place to get started making those little tweaks to your instrument amp. The next step to making your amplifier a personal point of pride is to outfit it with your own selection of components that will give exactly the look and sound that you want.