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  3. ENGL E633

ENGL E633 Fireball Tube Guitar Head 4251694200719 25-WATT

E633 Engl 251694200719 Fireball 25 25-watt Tube Guitar Head

( Brand: Engl ), ( Manufacturer Part Number: E633 ), ( Part Type: Tube Guitar Head ), ( UPC: 251694200719 ), ( Amplifier Type: Head ), ( Impedance: 16 Ohms ), ( Power: 25 W )

Review ENGL Fireball Tube Guitar Head

The ENGL Fireball II 25 Watt Tube Guitar Head, model number E633, is a compact yet powerful amplifier designed for guitarists seeking a versatile and high-quality tube tone. This head delivers rich and dynamic sound, making it an excellent choice for various musical genres, from blues and rock to metal and beyond.

At the heart of this amplifier are three 12AX7 and two EL84 tubes. The 12AX7 tubes are used for preamp gain stages, providing the desired tone shaping and drive, while the EL84 tubes power the output stage, delivering the iconic tube tone. This tube complement ensures an authentic and responsive sound that can be further shaped using the onboard controls.

The ENGL Fireball II features a three-band EQ, allowing for precise tonal adjustments. Bass, Mid, and Treble controls enable guitarists to fine-tune their sound to their desired tone. Additionally, a Global Presence control allows for adjustments to the overall brightness of the amplifier, adding another layer of tonal flexibility.

The amplifier is equipped with a footswitchable Boost function, adding an extra layer of gain and saturation to the sound. The boost can be engaged using an optional footswitch (sold separately). Furthermore, the Fireball II has a Reverb control, which adds a spacious and lush effect to the sound, perfect for creating ambient textures and expanding the sonic palette.

This 25-watt amplifier is designed with versatility in mind, featuring multiple input options. It comes with a Normal and a Bright input, allowing guitarists to switch between different input impedances and tonal characteristics. The ENGL Fireball II also has a Speaker Emulated Line Out that can be used for silent practice, recording, or for sending the signal directly to a PA system or mixing console.

The construction of the ENGL Fireball II is robust and built to last. The amplifier head features a rugged steel chassis, ensuring durability and reliability. The control layout is intuitive and easy to use, making it an ideal choice for both beginners and experienced guitarists.

In summary, the ENGL Fireball II 25 Watt Tube Guitar Head, model number E633, is a versatile and high-quality amplifier that delivers rich and dynamic tube tone. Its various tone-shaping controls, input options, and power attenuation features make it an excellent choice for guitarists seeking a versatile and responsive amplifier for various musical genres and applications.

The ENGL Fireball II 25W Tube Guitar Head, model number E633, is a popular choice among guitarists due to its compact size and impressive tone. Here are some pros and cons to consider before making a purchase:

Pros:

1. Tube tone: The Fireball II delivers warm, rich, and responsive tube tone that is highly sought after by guitarists.

2. Compact size: With only 25 watts of power, this head is perfect for those who don't need a high-powered amp for gigs or recording sessions. Its compact size also makes it easy to transport.

3. Versatile: The Fireball II comes with three channels (Normal, Bright, and Crunch), allowing guitarists to explore different tonal options.

4. High-quality components: ENGL uses premium components in the Fireball II, including a hand-wired circuit board, high-quality transformers, and a tube-driven spring reverb.

5. Affordable: Compared to other tube amps in its class, the Fireball II is relatively affordable.

Cons:

1. Limited power: With only 25 watts of power, the Fireball II may not be suitable for larger gigs or for players who prefer a louder sound.

2. Limited EQ options: The Fireball II does not have an equalizer built-in, which may limit the ability to fine-tune certain tonal aspects.

3. Tube replacement: As with any tube amp, tubes will eventually need to be replaced, which can add to the overall cost of ownership.

In conclusion, the ENGL Fireball II 25W Tube Guitar Head offers a rich and responsive tube tone in a compact and affordable package. Its versatility, high-quality components, and compact size make it an excellent choice for home recording, small gigs, or for those who prefer a more contained sound. However, its limited power and EQ options may not be suitable for all guitarists, and the ongoing cost of tube replacement is a consideration. Ultimately, if you're looking for a high-quality tube amp with a warm and responsive tone in a compact size, the ENGL Fireball II E633 is an excellent choice.

Details:

The power amp is equipped with 6L6GC, just like his bigger brother, the Fireball 100. Gain for each Channel. The built-in Power Soak offers you the opportunity to play late at night or whenever higher volumes are unacceptable. Output Wattage.

At higher gain settings, you can get all the chime shimmering crunch sounds out of this channel. The Lead channel starts where the Clean ends and offers a sheer endless amount of gain. Sound Options. Due to the power design, Fireball 25 has enough punch and headroom for every live studio situation.

A great option to cut through the band mix This is hot, literally a Fireball. Furthermore it gives you the opportunity to push amplifiers power amp breakup at low volumes. Output Tubes.

Noise Gate Threshold. Features/Specs: 2 Channels Clean, Lead. A logo to see our listings. Shipping is not free to HI, AK, and PR.

This channel is perfect to play any of Rock and Metal music. All Tube Head. Line Output dB. When playing a solo, is the Mid Boost function.

Tube buffered FX Loop. The built-in Noise Gate helps you to handle upcoming noise in case of higher gain settings. The Clean channel offers chime shimmering cleans and is smoothly breaking up at noon gain settings higher.

Master Volume Boost M.V.B. Preamps Tubes.

specifications guitoamps:

  • brand: Engl
  • mpn: E633
  • part type: Tube Guitar Head
  • upc: 251694200719
  • amplifier type: Head
  • impedance: 16 Ohms
  • power: 25 W

offer guitoamps:

  • sold: 0
  • started: November 26, 2025
  • availability: In Stock
  • options: Ship-to-home
  • quantity: 1

general guitoamps:

  • condition: New
  • Musical Instruments Gear > Guitars Basses > Guitar Amplifiers

payments guitoamps:

  • wallet: Apple-pay
  • other
  • credit card: Visa

returns guitoamps:

  • paid by: Buyer
  • time: 30 Days
  • policy: Returns Accepted
  • method: Money back

shipping guitoamps:

  • carrier: UPS
  • type: Fixed
  • class: Standard
  • transit: 3-7 Days
  • service: UPS Ground
  • cost: $0.00

seller guitoamps:

  • city: Winchester, Virginia
  • # reviews: 272761
  • rating: 99.7%
part type: tube guitar head, amplifier type: head, impedance: 16 ohms, power: 25 w,
category: musical instruments > guitars basses > guitar amplifiers, sku: 7553096348424604,

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5 offers $288.62–$1489.99 USD
  • Offer #1: $1489.99 price + $0.00 shipping estimate = $1489.99* total. The power amp is equipped with 6L6GC, just like his bigger brother, the Fireball 100. The Engl Fireball 25 25W tube guitar amp is a two-channel, low-wattage beast that's great for a wide range of uses.FREE SHIPPING
  • Offer #2: $1489.99 price + $0.00 shipping estimate = $1489.99* total. Power Tubes: 2 KT77. The ENGL Amplifiers Fireball 25 KT77 LTD 25-watt Tube Head is a limited-edition high-gain amp built for tight, aggressive tone and modern performance.FREE SHIPPING
  • Offer #3: $288.62 price + $22.80 shipping estimate = $311.42* total. This pedal features the characteristics of the Powerball-II with heavy bottom, thick midrange, and solid, focused top end. The Powerball is a distortion pedal designed based on the Lead 2 channel sound of ENGL's large amplifier, the Powerball-II.+$22.80 shipping
  • Offer #4: $1489.99 price + $0.00 shipping estimate = $1489.99* total. (Don't fret: if things get a little too heavy, the Fireball 25 has a built-in noise gate. A Limited-run Fire-breathing Metal Machine Adorned with a limited-edition grille design, the ENGL Fireball 25 KT77 LTD serves up scorching-hot tube-fired tones with a straightforward control set.FREE SHIPPING
  • Offer #5: $739.99 price + $0.00 shipping estimate = $739.99* total. Sometimes your space is very limited, be it on stage, in the studio or in the trunk of your car but that doesn t mean your guitar sound needs to suffer.FREE SHIPPING

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