Which effects are integrated in CHUCK?

The CHUCK has four built-in effects: REVERB, DELAY, CHORUS and WAH. This gives you everything you need for a flexible and versatile setup.

What modes does the Chuck have?

• Preset Mode: Here you can switch through the presets (buttons 1-7) and get started right away. Blue LED ring around the MODE/TUNER button.
• Edit Mode: Design your presets to your liking. Green LED ring around the MODE/TUNER button.

In both modes, you can use the Expert Mode to adjust in-depth parameters for each effect (REVERB, DELAY, CHORUS, WAH).

How do I save and load presets on CHUCK?

To save a preset, make your desired settings and, in preset mode, press one of the buttons 1-7 for a few seconds. As soon as the saving was successful, you will receive a confirmation on the display. Using the STUDIO software, saving is very easy using the "SAVE CHANGES" button in the preset tile.

How does the digital manipulation of the analog tube preamp work?

The analog tube preamp is digitally manipulated by a special circuit that allows you to switch between different tone stacks and voicings. This gives you the perfect mix of analog tube sound and digital flexibility.

Can I load my own IRs into the IR Loader?

Yes, you can easily load your own IRs into the IR Loader via the STUDIO software. To do so, go to the "IR Loader" tile and manage the list using the "Manage List" button.

What is the difference between the different presets?

The preset modes differ primarily in their sound. From clean sounds to fat metal sounds, everything is included - so you are perfectly equipped for every style.

What types of tubes does CHUCK use in the preamp?

CHUCK uses high-quality ROAR E83CC tubes in the preamp. These guarantee you a rich and powerful sound.

How do I use CHUCK's FX Loop?

To insert effects into the FX loop, connect them to the FX SEND and FX RETURN connections. If necessary, CHUCK can take over the power supply via the DC OUT connection. Then activate the FX loop in the menu and can configure it as you wish.

Is the tuner chromatic or just for standard tuning?

Our built-in tuner works chromatically, meaning you can set it to any tuning you want – perfect for different tunings.

What interfaces does CHUCK offer?

CHUCK comes with a variety of interfaces that offer you maximum flexibility: AUX IN, GIT IN, FX-SEND, FX-RETURN, GND LIFT, OUT 1 & OUT 2, SPEAKER, HEADPHONE, USB, MIDI IN & MIDI OUT/THRU, DC OUT & DC IN.

Which MIDI functions does CHUCK support?

CHUCK supports various MIDI commands, including Program Change. A complete list can be found in the usage information. Commands that are not relevant to CHUCK are simply passed on via MIDI OUT/THRU.

How do I connect CHUCK to my computer via USB?

It's easy: Connect CHUCK to your computer using the included USB-A to USB-B cable. Then simply install the STUDIO software - and off you go!

Can I also use CHUCK as an audio interface for my home studio?

Yes, CHUCK also works as an audio interface for your home studio. Thanks to the USB ASIO interface, you can record directly into your DAW and benefit from the excellent sound quality.

How can I use the headphone output to practice quietly?

Simply connect your headphones, adjust the volume in the output control and you can practice quietly without disturbing your neighbors.

Can I use multiple CHUCKs at the same time?

Yes, that is possible. Several CHUCKs can be operated simultaneously; they then have different names to easily distinguish them from each other.

How can I update CHUCK firmware?

The firmware updates are handled directly via the STUDIO software. As soon as an update is available, you can simply start it in the software.

Is there a mobile app to control CHUCK?

There is currently no mobile app for CHUCK. It is controlled exclusively via the STUDIO software.

How robust is the CHUCK floor format?

CHUCK is extremely robust. The floor format was specially developed for stability and durability to withstand even the toughest stage conditions.

How do I care for and clean CHUCK properly?

It is best to clean CHUCK with a dry cloth to remove dust and dirt. If necessary, you can use a slightly damp cloth with a mild cleaning agent, such as dishwashing liquid. Make sure that CHUCK is unplugged from the power supply first.

Are spare parts available for CHUCK?

Yes, you can request spare parts via our support address: support@underdog-audio.com .

Is there a way to try CHUCK before buying?

Yes, you can try CHUCK in your local music store. On our website you will find a list of retailers where CHUCK is available.

How does the pre-order for CHUCK work?

Pre-ordering is like a normal purchase process. Simply click on “Pre-order” and complete the order process via the shopping cart.

Which payment methods are accepted for pre-order?

We offer a variety of payment methods, including PayPal, Apple Pay, Google Pay, Amex, Maestro (EC), Mastercard and Visacard. There's something for everyone!

Can I cancel or change my pre-order?

Yes, you can cancel your pre-order as usual using the right of withdrawal. If you would like to make changes to your order, simply contact us directly - we will be happy to help you!

What are the benefits of pre-ordering CHUCK?

If you pre-order, you will receive exclusive merchandise such as a robust carrying case, three underdog picks and an exclusive merch set. You will also benefit from free shipping.

When will CHUCK be delivered if I pre-order?

The delivery time depends on the time of order and the current production capacity. We endeavour to deliver all pre-orders as quickly as possible. As soon as your order is confirmed, you will receive information about the expected delivery date.

Are international deliveries offered?

We currently deliver to the DACH region (Germany, Austria, Switzerland). However, we also plan to deliver to other European countries in the future.

How much are the shipping costs for CHUCK?

In our shop you pay no shipping costs – shipping is completely free for you.

What happens if my delivery arrives damaged?

If your delivery arrives damaged, please contact our support immediately. We will ensure that the problem is resolved as quickly as possible.

How do I know when my order will be shipped?

As soon as your order has been shipped, you will receive an email with all important information.

Is there a refund if I am not satisfied with CHUCK?

Yes, a refund is possible in principle. You can find the exact details in our terms and conditions. But before you decide, please contact our support team - maybe together we can find the perfect sound for you!

How can I contact customer service if I have questions about pre-ordering?

You can contact us at any time by email at support@underdog-audio.com . For telephone support, call 0800-underdog (0800 / 86337364) free of charge from Germany or +49 03727 6205-153 from abroad. We are there for you from Monday to Friday between 9:00 a.m. and 3:00 p.m. (CET).

Do I need an account to order from you?

Yes, to order from us you need a customer account.

What types of musicians benefit most from CHUCK?

Especially guitarists. Whether you're just starting out or you're already a pro, you're guaranteed to find your sound with CHUCK. The simple operation offers you plenty of options without overwhelming you, and gives you room for creative development.

What makes CHUCK so special compared to other amplifiers?

CHUCK combines the best of both worlds: an analog tube preamp for a warm, authentic sound and digital manipulation for maximum flexibility. Added to this are integrated effects, preset storage and numerous interfaces that make CHUCK a real all-rounder.

Is CHUCK suitable for use on stage and in the studio?

Yes, absolutely! CHUCK is made for both stage and studio. Its robust construction can withstand the toughest gigs, and its flexible features ensure top sound - live and in the studio.