Marshall JTM45 2245


The Marshall JTM45 2245 guitar amp head is the perfect choice for guitarists looking to capture that classic, vintage sound.

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The Marshall JTM45 2245 Guitar Amp Head: A classic tone machine

The Marshall JTM45 2245 guitar amp head is a true classic, known for its warm, rich, and dynamic tone. First introduced in 1963, it quickly became a favorite among guitar players for its ability to deliver everything from sweet, clean tones to heavy, distorted sounds.

With its distinctive gold script logo and vintage design, the JTM45 2245 has become a beloved icon in the world of guitar amps. But what makes this amp head so special, and why has it remained a popular choice for guitarists for over five decades?

Let’s take a closer look at the features and specs of the Marshall JTM45 2245, and explore what makes it such a unique and versatile guitar amp head.

Features and Specs

The Marshall JTM45 2245 is a 30-watt, all-tube amp head that features two channels, each with its own volume control. The amp is powered by four EL84 power tubes and three ECC83 preamp tubes, and has a tube-driven tremolo circuit that adds depth and dimension to your sound.

The amp also includes a four-input configuration, with two high-gain and two low-gain inputs, allowing you to dial in just the right amount of distortion and overdrive for your playing style. And with its classic, two-band EQ (bass and treble), you can shape your tone to suit any genre, from blues and jazz to rock and metal.

One of the standout features of the JTM45 2245 is its ability to deliver classic, British-style tone that is both warm and articulate. This is due in part to the amp’s use of a tube rectifier, which provides a smoother and more responsive sound than solid-state rectifiers. The amp also features a cathode-biased output stage, which results in a more complex and harmonically-rich tone.

All of these features combine to create an amp head that is perfect for both studio and live performance, delivering the kind of tone and versatility that guitar players have come to expect from Marshall amps.

Sound and Performance

So, what does the Marshall JTM45 2245 actually sound like? In short, it sounds amazing. Whether you are playing clean, crunchy, or heavily distorted tones, this amp head delivers a tone that is warm, full-bodied, and incredibly dynamic.

With the amp’s classic tube-driven tremolo circuit, you can add a lush, almost psychedelic quality to your sound, using the speed and depth controls to dial in just the right amount of tremolo effect.

And with its responsive EQ controls and versatile gain stages, you can use the JTM45 2245 to play everything from blues and rock to heavy metal and beyond. The amp also responds well to pedals, allowing you to customize your sound even further.


In conclusion, the Marshall JTM45 2245 guitar amp head is a true classic, beloved by guitar players for over 50 years. Its warm, rich, and dynamic tone, combined with its versatile features and vintage design, make it a standout choice for anyone looking for a classic British-style amp head.

Whether you are a professional musician or a weekend warrior, the JTM45 2245 is a great choice for anyone looking for a reliable, versatile, and truly iconic guitar amp head. So, plug in your guitar, crank up the volume, and get ready to experience the timeless sound of the Marshall JTM45 2245.

Marshall JTM45 2245 properties

Product name JTM45 2245
Brand Marshall
Type Guitar Amplifier Heads
Sound Effects Presence
Sound Setting Middle, Treble, Volume
Power Output (RMS) 30.0 W
Height 265.0 mm
Depth 205.0 mm
Width 665.0 mm
Weight 14.6 kg

Additional information


Product type

Sound Effects

Sound Setting

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Power Output-RMS





1 review for Marshall JTM45 2245

  1. Joel Perry

    Hello, I’m Joel Perry. In December, I had the incredible opportunity to purchase a Marshall JTM45 2245 from this online shop. Let me tell you, the feeling of unboxing and plugging it in for the first time was pure bliss. As a passionate guitarist, finding the perfect amplifier head is a game-changer, and the JTM45 2245 certainly exceeded my expectations.

    One of the aspects that truly impressed me about this amplifier is its power efficiency. In today’s world, where we strive to save the planet, it’s essential to have products that contribute to energy conservation. The JTM45 2245 is designed with power efficiency in mind, ensuring that it delivers exceptional performance while consuming minimal power. This not only benefits me as a consumer but also contributes to the overall goal of reducing our carbon footprint.

    I must take a moment to show my admiration and respect for all the guitar amplifier head producers out there. They have dedicated their craftsmanship and expertise to create masterpieces like the JTM45 2245. Without their passion and commitment, we wouldn’t have access to such incredible musical tools.

    Now, let’s digress a bit to the economy situation in Indianapolis and the overall online business landscape. As we all know, the world has experienced significant shifts due to recent events, and Indianapolis, like many other cities, has faced its fair share of challenges. However, the online market has proven to be a lifeline for businesses, allowing them to reach a wider audience and continue to thrive even in uncertain times. This online shop, in particular, has played a vital role in connecting musicians like myself with the gear we need to keep creating.

    When it comes to the Marshall JTM45 2245, it caters to both amateur and professional guitarists alike. For amateurs, it offers a user-friendly interface that allows for easy experimentation and exploration of various tones. It’s a fantastic tool for honing your skills and discovering your unique sound. On the other hand, professionals will appreciate the JTM45 2245’s versatility and ability to deliver powerful, rich tones that cut through any mix. It’s a true workhorse that can handle any stage or studio setting with ease.

    Lastly, let’s not forget to mention the fantastic sound effects that the Marshall JTM45 2245 offers, particularly the Presence control. This feature allows me to fine-tune the presence of my guitar’s sound, adding that extra sparkle and definition to my playing. It’s truly remarkable how this amplifier can enhance my overall sound and make every note come alive.

    In conclusion, purchasing the Marshall JTM45 2245 from this online shop has been a game-changer for me. Its power efficiency contributes to saving the planet while delivering exceptional performance. I’m grateful to all the guitar amplifier head producers for their dedication, and I’m excited to see how the online business landscape continues to evolve.

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Frequently Asked Questions:

Question: Can I use my Marshall JTM45 2245 with different speakers for different tones, and what should I consider while choosing a speaker cabinet for this head unit?

Yes, you can definitely use your Marshall JTM45 2245 with different speakers to achieve various tones. The choice of the speaker cabinet plays a significant role in shaping the overall sound of your guitar rig. Here are some factors to consider while choosing a speaker cabinet for your JTM45 2245:

1. Speaker Size and Type: Generally, there are two popular sizes for guitar speakers - 12" and 1x10". For the Marshall JTM45 2245, you can use either size as it has a versatile power output that can handle both effectively. The type of speaker matters too; some common types include ceramic, alnico, and neodymium. Ceramic speakers provide a bright and punchy tone, while alnico speakers deliver a warm and smooth sound. Neodymium speakers offer a more balanced tone with increased efficiency.

2. Impedance: It's crucial to match the impedance of your speaker cabinet with that of your amplifier. The Marshall JTM45 2245 has an output impedance of 8 ohms, so make sure your chosen cabinet has either 1x8 or 2x8 speakers wired in parallel configuration.

3. Cone Material: Cones can be made from different materials like paper, plastic, or more premium options like silk and textile. Paper cones provide a bright and crisp tone, while plastic cones offer a warmer sound. Silk and textile cones offer the best of both worlds - balanced tone with added warmth.

4. Sensitivity: Sensitivity refers to how much power a speaker requires to produce a given volume level. Higher sensitivity speakers will work well with lower-powered amplifiers, while lower sensitivity speakers are better suited for higher-powered amps. The Marshall JTM45 2245 has an output power of around 30 watts, so you can choose speakers within the range of 90-100 dB for optimal performance.

5. Frequency Response: Consider the frequency response rating of your speaker cabinet to ensure it complements your guitar tone. Speakers with a wide frequency response offer more versatility in terms of tonal options, while those with a narrower range may excel at specific frequencies.

6. Cabinet Material and Design: The material used for constructing the cabinet can affect the sound quality. Plywood cabinets are generally considered better due to their resonance-free properties. Additionally, an open-back design allows some of the sound to escape through the rear panel, resulting in a more natural, less boxy tone.

By considering these factors while selecting a speaker cabinet for your Marshall JTM45 2245, you can create a wide range of tones tailored to your musical preferences.

What are the recommended settings for the Marshall JTM45 2245 amp model in order to achieve classic rock tones?

To achieve classic rock tones with the Marshall JTM45 2245 amp model, follow these recommended settings:

1. Preamp Gain: Set it around 3-4 for a cleaner sound and 6-7 for a slightly overdriven sound. If you want more distortion, increase the gain up to 8-9 but be careful not to go too high or else your tone will become muddy and lose definition.
2. Master Volume: Start with this at around 5-6 for a cleaner sound and 7-8 for an overdriven sound. You can always adjust this according to your desired volume level.
3. Bass: Set it between 5-6 for a tight low end that won't overpower the rest of the frequencies. If you want more thump, feel free to increase this up to 7-8 but be cautious as too much bass can make your tone boomy and muddy.
4. Middle: Keep this around 5-6 for a balanced midrange response that complements both the lows and highs. You can experiment with higher settings if you want more presence in your tone, but try not to go above 8 as it may cause harshness or shrillness.
5. Treble: Start with this at around 4-5 for a bright, clear high end. If you prefer a smoother treble response, reduce this down to 3-4. Be careful not to set it too low, as this could result in a dull and lifeless tone.
6. Presence: This control affects the overall brightness of your sound. Keep it between 4-5 for a well-balanced tone with plenty of sparkle. You can increase this up to 7-8 if you want an extremely bright sound, but be aware that too much presence can lead to harshness or brittleness in your tone.
7. Input Sensitivity: Adjust this according to the output level of your guitar's pickups. Start with it around halfway and make adjustments as needed until you find your sweet spot.
8. Equalization switch (Bright/Normal): The Bright switch adds more high-end presence to your sound, while the Normal setting provides a more balanced tone. Experiment with both settings and choose which one best suits your playing style and desired sound.

Remember that these are just general guidelines – every player's preferences are different! Feel free to experiment with these settings until you find the perfect combination for your classic rock tone.