World Designs | KEL84 Integrated Amplifier 15W | Made in UK


KEL84 is an affordable, sonically impressive valve amp that can be bought as a DIY kit or Pre-built




Our entry level integrated amplifier which punches above its weight and is an ideal low cost introduction to valve amplifiers. This amplifier is powered by the EL84 medium power pentode originally designed by Mullard. This design uses PCBs for the majority of the components for easy build and is just perfect for smaller rooms or efficient speakers.


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  • Musical and friendly sound
  • EL 84 with excellent imaging
  • 1 tape out
  • Quality Volume Control

What’s in the Kit ?

  • Valves
  • Subchassis
  • All components required to complete.
  • IEC cable
  • Instruction Manual


  • XL option which includes high performance Vishay HT supply capacitors, Schottky Rectifier Diodes for lower noise heater supply, Soniqs polypropylene coupling capacitors and Soniqs ICT interconnect cable for internal audio signal wiring.
  • Available as a kit or pre-built.


  • Power 15 Watts
  • 5 Analogue input RCA
  • Frequency Response 16Hz-20.4kHz
  • Seperation 82dB
  • Noise -87dB
  • Distortion 0.22%
  • Sensitivity 350mV


W301 x D310 x H153mm. Weight: 9kg

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Q. Where do you ship to?
A. From this store, we only ship to Australia addresses. For international shipping and/or custom orders, please contact us. We can advise the best shipping option.

Q. How long does it take to ship my order?
A. Typically anywhere from 10 to 15 days. We’ll let you know an approximate shipping date via email. Potential shipping delays  due to current pandemic. Fewer passenger flights means our supply chain will have less air freight capacity. Many domestic and international routes are currently suspended or delayed, and remaining routes have much lower frequencies. Please be patient with us while product is being shipped to you.

Q. I need something special that’s not offered here, can you help me.

A. Absolutely, please contact us and we’ll take it from there.

Additional information

Weight 10 kg
Dimensions 30 × 30 × 30 cm
Build Option

Standard Kit, Standard Pre-Built, XL Kit, XL Pre-Built

1 review for World Designs | KEL84 Integrated Amplifier 15W | Made in UK

  1. Paul Ong

    – musical and friendly sound
    – excellent imaging
    – good timing
    – nothing much

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