ENGL Fireball 25 E633 – All-Tube Guitar Amplifier Head

Compact Power. Explosive Tone. Unmatched Versatility.

The ENGL Fireball 25 E633 delivers the legendary Fireball tone in a compact, powerful 25-watt all-tube head. Designed for modern guitarists, it combines crystal-clear cleans, crushing high-gain performance, and professional-grade features—making it perfect for both live performance and studio recording.

From shimmering clean tones to aggressive metal saturation, the Fireball 25 offers exceptional tonal flexibility. With built-in Noise Gate, Mid Boost, and Power Soak functionality, you have complete control over your sound at any volume.

FEATURES & CONSTRUCTION

• All-tube amplifier head with premium ENGL build quality
• 2-channel design: Clean and Lead
• Clean channel delivers sparkling cleans and dynamic crunch
• Lead channel offers massive gain for rock and metal styles
• Built-in Noise Gate for tight, controlled high-gain performance
• Mid Boost function for cutting through any mix
• Tube-buffered FX loop for seamless integration with effects

PERFORMANCE & SOUND

• Powered by 6L6GC tubes for punchy lows and clear highs
• Master Volume Boost (M.V.B.) for instant solo enhancement
• Built-in Power Soak for low-volume playing without tone loss
• Perfect for stage, studio, and home use
• Delivers classic ENGL high-gain tone in a compact format

CONTROLS & SOUND OPTIONS

• Independent Gain controls for each channel
• 3-Band EQ for precise tone shaping
• Lead Volume control
• Master Volume and Presence control
• Noise Gate Threshold adjustment
• Mid Boost (available on both channels)

SPECIFICATIONS

• Channels: Clean, Lead
• Preamp Tubes: 4 × ENGL ECC83 / 12AX7
• Power Tubes: 2 × ENGL 6L6GC
• Output Power: 25 Watts
• FX Loop: Tube Buffered
• Line Output: 0 dB
• Speaker Outputs: 1 × 8–16 Ω, 2 × 16 Ω
• Footswitch: Z4 (Channels, M.V.B., Mid Boost, FX Loop)
• Dimensions: 42 × 20 × 23 cm
• Weight: 11 kg

WHY CHOOSE THE FIREBALL 25?

• Legendary ENGL tone in a portable format
• Versatile enough for clean, crunch, and extreme gain
• Professional features for gigging musicians
• Power Soak allows full tone even at low volumes
• Perfect for modern rock and metal players