WARWICK QUAD VI BASS AMPLIFIER HEAD – 500W HYBRID TUBE PREAMP
WARWICK QUAD VI BASS AMPLIFIER HEAD – 500W HYBRID TUBE PREAMP
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Condition
Good condition, plays great. The odd mark here and there as expected for a used unit. Fully functional with no issues, supplied with original power cable and rugged flight case for protection.
Overview
The Warwick Quad VI is a powerful and versatile bass amplifier head, designed for players who demand rich tone, punchy response, and tour-ready reliability. Combining a tube-driven preamp section with a solid-state power amp, the Quad VI delivers warm valve character alongside tight, defined lows and massive headroom.
This hybrid design gives you the best of both worlds – vintage warmth and modern clarity – making it a brilliant choice for gigging musicians across rock, funk, jazz, and beyond. With its intuitive EQ, DI options, and rugged rackmount design, it’s built to perform night after night.
Specifications
- Power Output: 500 watts into 4 ohms
- Preamp: Tube-driven (valve warmth and dynamics)
- Solid-state power amp for clean headroom
- 4-band EQ with variable contour & presence
- Adjustable compressor and tube gain control
- DI Out with Pre/Post switch
- FX loop with send/return
- Line out, tuner out, headphone out
- Balanced XLR outputs
- Ground/lift switch
- Integrated cooling fan
- Includes heavy-duty flight case and power cable
- Serial No: H10009
Summary
The Warwick Quad VI is a serious piece of gear for bassists who want rich tone, studio-level connectivity, and power to spare. From the stage to the studio, it’s a commanding head with tone-shaping flexibility and classic tube warmth. With a flight case included, it's ready to hit the road and deliver.
Why Buy From Us
Why Buy From Us
✔ Every item is carefully inspected & ready to play/use
✔ Over 17,000+ positive reviews from happy customers
✔ Fast, Free UK Delivery on orders over £49.99
✔ 30-Day Hassle-Free Returns
Shipping & Delivery
Shipping & Delivery
- Free UK delivery on orders over £49.99
- Tracked, secure, and carefully packaged
- Next-day dispatch on most orders
Returns & Guarantee
Returns & Guarantee
- 30-day returns for peace of mind
- Items must be returned in the same condition as sold
- Full refunds processed quickly
- If anything isn’t right, we’ll make it right
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Rated ★★★★★ by 17,000+ UK players — here’s what they’re saying:
FAQS
Shoot our team an email & we’ll get back to you ASAP
Are the items checked before shipping?
Are the items checked before shipping?
Yes. Every instrument and accessory is carefully inspected, cleaned, and securely packed so it’s ready to use straight away.
Do you offer free delivery?
Do you offer free delivery?
Orders over £49.99 qualify for free, tracked UK delivery. Under that, there is a small charge of £2.49 per order.
What is your return policy?
What is your return policy?
We offer 30-day hassle-free returns on all orders. Changed your mind? Just send it back.
Can I trade in or sell my gear?
Can I trade in or sell my gear?
Absolutely. Use our Sell/Trade service to get a free valuation and easy collection across the UK.
How quickly will I get my order?
How quickly will I get my order?
Most items ship the same or next working day. Guitars and amps are always shipped fully protected.

