Engl E633 KT77 Fireball 25 L Bundle

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Engl E633 KT77 Fireball 25 L Bundle

Engl

E633 KT77 Fireball 25 L Bundle

4.4 Expert Rating

Product Info

Article Number: 621167
Brand: Engl
Model: E633 KT77 Fireball 25 L Bundle
Price: $1,219.90

* Prices may vary. Check retailer for current pricing and availability.

This Fireball 25 L is a serious contender for players craving that classic Engl high-gain crunch but needing manageable wattage. The KT77 tubes give it a warmth and sustain you won't find in many other amps at this power level, and the power soak is a game-changer for bedroom recording or quieter gigs. It’s perfect for rock, metal, and hard rock players wanting a professional-grade amp without the stadium volume.

Product Description

Engl E633 KT77 Fireball 25 L Bundle

*Bundle offer comprising*, Engl E633 KT77 Fireball 25 LTD

  • *Tube Head for Electric Guitar*
  • Two channels: Clean and Lead
  • Power: 25 watts
  • Switchable power soak: Full power
  • speaker off
  • Built-in noise gate
  • Preamp tubes: Four ECC83 (12AX7)
  • Power tubes: Two KT77
  • Controls: Clean gain
  • lead gain
  • bass
  • middle
  • treble
  • lead volume
  • master presence
  • noise gate (threshold)
  • Switch: Mid boost
  • clean lead
  • stand by
  • power
  • power soak
  • Input: 6.3 mm jack
  • Speaker outputs 8 - 16 ohm: 2x 6.3 mm jack
  • Effects loop with send and return: 2 x 6.3 mm jack
  • DI output: 6.3 mm jack plug
  • Two footswitch connections for mid boost
  • FX loop on/off
  • clean/lead
  • master volume boost (foot switch not included)
  • 230 V
  • Dimensions (W x D x H): 420 x 230 x 200 mm
  • Weight: 11 kg
  • Made in Germany
  • Thon Amp Case Engl Fireball 25
  • *Case*
  • Suitable for Engl E633 Fireball 25
  • 6.8 mm multiplex phenolic resin coated
  • 22 x 22 mm Aluminium edge
  • 2 Small butterfly fasteners
  • 1 Strap handle
  • 8 Small ball corners
  • 4 Rubber feet: 25 x 15 mm
  • Foam padding
  • Unit can be operated in the lower part
  • All connections freely accessible
  • External dimensions (W x D x H): approx. 477 x 286 x 288 mm
  • Weight: approx. 4.5 kg
  • Colour: Brown
  • Made in Germany
PROS
  • • KT77 tubes deliver a creamy, harmonically rich high-gain tone.
  • • The power soak offers serious versatility for home and stage use.
  • • Engl’s renowned preamp circuitry provides exceptional clarity and responsiveness.
  • • Solid build quality with robust chassis and reliable component selection.
CONS
  • • The limited two-channel design restricts tonal palette compared to more complex amps.
  • • Lack of included footswitch adds to the overall cost and setup complexity.
  • • Weight can be a factor for gigging musicians – it’s a substantial head.

Product Video

Key Features

Power (Watts) 25 (switchable to 5W, 1W, and speaker off)
Tubes 4 ECC83 (12AX7) preamp tubes, 2 KT77 power tubes
Channels Clean and Lead
Effects Built-in noise gate, Effects loop (send/return)
Speaker Output 8 Ohm and 16 Ohm
Weight Approximately 23 kg (51 lbs)

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Frequently Asked Questions

KT77s generally offer a smoother, more saturated tone with a warmer low-end and less aggressive high-end than EL34s – a more 'creamy' character.
Yes, the noise gate is quite effective, but the threshold adjustment is key to avoid unwanted chopping during fast, complex rhythm parts.
The power soak significantly reduces volume while maintaining the amp’s tonal characteristics and feel – it's like having full-stack power in a low-volume package.

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