Koch J20/C110B Jupiter Junior Guitar Amplifier – 20W Combo, 10” Jensen Speaker, ATR & Reverb
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Description
Description
The Koch J20/C110B Jupiter Junior is a powerful and versatile 20W combo guitar amplifier from Koch's renowned Jupiter Series. This compact amplifier delivers authentic tube dynamics and response thanks to the ATR (Authentic Tube Response) concept, featuring a 12AX7 tube in both the preamp and power stages. The Jupiter Junior is equipped with a high-quality 10" Jensen Falcon speaker that delivers a rich, dynamic tone, from clear clean to powerful overdrive.
The amplifier offers three switchable channels: Cool (clean), Hot (overdrive), and Hot Gain Boost. Each channel has its own volume or gain control and shares a three-band tone control. The built-in reverb is based on a classic spring emulation and adds extra depth to your sound. With features like a dimmer (continuously adjustable from 0 to 20 watts), a speaker on/off switch, and a recording output with speaker emulation, the J20 is also perfect for silent practice and studio recording.
Specifications:
- Type: Combo guitar amplifier
- Power: 20W (infinitely variable)
- Technology: Hybrid ATR (Authentic Tube Response)
- Tubes: 1x 12AX7 (preamp), 1x 12AX7 (power amplifier)
- Speaker: 1x 10” Jensen Falcon C10-40
- Channels: 3 (Cool, Hot, Hot Boost – via footswitch)
- Regulations:
- Cool channel: Volume
- Hot channel: Gain & Volume
- Tone Controls: Bass, Mid, Treble (shared)
- Reverb: Spring emulation with volume control
- Effect loop: Buffered, serial
- Speaker on/off switch for silent recording
- Recording out with passive speaker emulation
- Output for external speaker
- Included: 2-way footswitch
- Dimensions: 45 x 42 x 23.5 cm
- Weight: approx. 12 kg
Free shipping from €75
Free shipping from €75
At VDS instruments you benefit from FREE shipping above €75.
Shipping costs per country:
Netherlands: €6.95 above €75 free!
Germany: €7.95 above €75 free!
Belgium: €7.95 above €75 free!
Shipping to other countries will be calculated at checkout. Our packages travel worldwide every day!
14 days free returns
14 days free returns
We believe in the quality of all our products! Not completely satisfied? Don't worry, you can easily return the item free of charge . This way, you always shop risk-free!
About VDS
About VDS
At VDS, you'll find over 50,000 musical instruments and accessories under one roof! We offer everything you need to make music. Fast service, expert advice, and top quality – that's VDS!
Customers give us an average rating of 4.8 out of 5
Customers give us an average rating of 4.8 out of 5
Our reviews come from various platforms. You'll find reviews on Trustpilot , Trusted Shops , Google , Marktplaats , Reverb , and our social media accounts. This gives you an honest picture of what customers think of us.
4,8 / 5
Koch J20/C110B Jupiter Junior Guitar Amplifier – 20W Combo, 10” Jen...
Recent reviews | Customer experiences
Recommended to buy here
Great customer service, good prices, good products (guitar and baritone ukulele), well packaged, and relatively fast delivery (4 days). Definitely recommended!
Received a defective guitar, received a new one.
I received a defective guitar, and they responded quickly after reporting it. The handling was excellent, the guitar was returned, and I received a brand new one.
Bought a guitar amplifier
Bought a guitar amplifier. Clear advice and good value for money!
I give my best to Vdsinstrumenten…
I give Vdsinstrumenten my best compliments.
Always correct and on time,
You will definitely not regret your purchase.
