ENGL Amplifiers E633 Fireball 25 KT77 LTD 25W High-Gain Tube Amp Head LE (Black)
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ENGL Amplifiers E633 Fireball 25 KT77 LTD 25W High-Gain Tube Amp He...
The ENGL Amplifiers E633 Fireball 25 KT77 LTD 25-watt Tube Head is a limited-edition high-gain amp built for tight, aggressive tone and modern performance. Powered by KT77 and 12AX7 tubes, it delivers 25 watts of punchy lows and smooth highs, ideal for everything from clean tones to heavy distortion. With a simple yet flexible control layout and German-built quality, it’s designed for players who want powerful sound in a compact format.
25-Watt Tube Power
Delivers robust output with tight low-end response and smooth high frequencies, perfect for both stage and studio use.
KT77 Power Tubes and 12AX7 Preamp Tubes
Provides aggressive, dynamic tone with excellent clarity, allowing high-gain sounds to stay defined without harshness.
Dual Channels (Clean and Lead)
Offers versatile tonal options, from crisp cleans to saturated distortion, each with independent gain control.
3-Band EQ with Presence Control
Enables precise tone shaping across lows, mids, and highs, with added Presence control for high-end definition.
Mid Boost Function
Enhances midrange frequencies for cutting lead tones and fuller rhythm sounds; can be controlled via footswitch.
Built-in Noise Gate
Reduces unwanted noise and hum, especially useful when using high-gain settings.
Power Soak (Attenuator)
Allows you to achieve full, driven tube tone at lower volumes, making it suitable for bedroom practice or recording.
Buffered Effects Loop
Maintains signal integrity when using external effects like delay, reverb, and modulation pedals.
Multiple Output Options
Supports various speaker configurations with flexible impedance matching and direct out capability.
Limited-Edition Design
Features a unique grille aesthetic, making it a standout piece both visually and sonically.
German Craftsmanship
Built with high-quality materials and engineering for long-lasting performance and reliability.
| Type | Tube Guitar Amplifier Head |
| Channels | 2 (Clean and Lead) |
| Output Power | 25 Watts |
| Preamp Tubes | 4 × 12AX7 (ECC83) |
| Power Tubes | 2 × KT77 |
| EQ | 3-Band (Bass, Middle, Treble) |
| Additional Controls | Presence, Mid Boost, Gain (Clean and Lead), Master Volume |
| Power Soak | Full Power, 5W, 1W, Speaker Off |
| Noise Gate | Built-in with threshold control |
| Inputs | 1 × 1/4 Inch instrument input |
| Outputs | Speaker outputs (8–16 ohms) |
| Effects Loop | Yes (Send and Return) |
| Footswitch Support | Channel and Mid Boost switching (via external footswitch) |
| Construction | Tube head with compact “lunchbox” format |
| Special Features | Power soak, noise gate, buffered FX loop, limited-edition design |
| Weight | Approx. 11 kg (24.2 lbs) |
| Dimensions | Approx. 420 × 200 × 230 mm |
Overall rating: 0.0 / 5 from 0 reviews.
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Frequently Asked Questions
How do I return an item?
How do I return an item?
Returns are incredibly simple. Please log into your account, find your item you wish to return and follow the prompts to make a return. If you do not have an account, click here to find your order and make a return.
Will I receive a full refund when I return an item?
Will I receive a full refund when I return an item?
You will receive a full refund when you return an item in its original manufacturer’s packaging, undamaged and unmarked. If the item you are returning is priced at less than $35, you will be charged a 15% restocking fee. Please note you will not be refunded any shipping charges.
How many days do I have to make a return?
How many days do I have to make a return?
You have 30 days to make a return. During the holiday season, from November 1 to December 31, we extend the return window to 60 days.
My item was damaged in transit. How do I place a return?
My item was damaged in transit. How do I place a return?
If your order has been noticeably damaged in transit, we strongly recommend that you refuse delivery and notify us immediately. Claims for missing items or items damaged in transit must be made within 48 hours of delivery. If there is carrier damage, please contact support@focuscamera.com with your order number and a description of the damage.
There’s an issue with my order, what should I do?
There’s an issue with my order, what should I do?
Oh no! Please contact our customer service team so we can resolve the issue immediately. You can call us on 1.800.221.0828, email us at support@focuscamera.com, or send us a message here.
Can I exchange an item?
Can I exchange an item?
We do not currently offer exchanges. Please return the item you purchased within 30 days and order what you’d like instead.
If I ordered a kit, do I have to return all the items?
If I ordered a kit, do I have to return all the items?
If you ordered a kit, you must return all components and accessories to receive a full refund.
I ordered a product that included a free item. I’d like to return it, do I need to return the free item as well?
I ordered a product that included a free item. I’d like to return it, do I need to return the free item as well?
If you ordered a product that included a free item, you must include the free item with your return. If not, your return will not be accepted and you will not receive a full refund.
Do you offer repairs?
Do you offer repairs?
We currently only offer camera repairs at our Brooklyn store. The item must be dropped off and collected in person as we do not accept shipped items for repair. For more information, please call our Brooklyn store on 1.718.431.7900.
What is your return policy?
What is your return policy?
Most items can be returned within 30 days for a full refund. Click here to read our full return policy.
