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High Power Amp Kit

30
This Amplifier Kit can output up to 15W per channel (very loud) into a pair of high quality speakers. Available with either a 3.5mm Jack Lead or an iPod Lead.

Availability: In Stock.

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Product versions:

This product is also available in the following versions:

Stock code
Description
Price
2143-JK
High Power Amp Kit with Jack Lead
£30.00
2143-IP
High Power Amp Kit with iPod Lead
£31.00

Use the drop down list above to select your option. Price shown is GBP (ex VAT). Local currency price and price breaks (if applicable) will be shown once you have chosen an option.

Product description:

The High Power Amplifier kit from Kitronik can output up to 15W per channel into a pair of high quality speakers (included). The kit is capable of producing a very loud, high quality stereo sound. The kit includes all the parts required, including power supply, to build your own amplifier for use with items such as MP3 players.

Once assembled it has everything you would expect of an amplifier, a power LED, on/off switch and volume control. All you need to do is design your own enclosure.

Features:

  • 15W per channel amplifier.
  • Choice of iPod or 3mm jack cable.
  • High quality 20W full range speakers.

Contents:

PCB Dimensions:

  • Length: 77.5mm.
  • Width: 59mm.

Requires:

Resources:

Caution:

  • The heat sink will become hot when the amplifier is used at a high volume for long periods of time. For the heat sink to work at its best it should be mounted in a well ventilated case.
  • This product is supplied with a UK mains plug and is designed to work off a 230V, 50Hz supply.
  • Please note the iPod connecting lead is not the Lightning connector used on some Apple devices such as the iPhone 5. Adapters are available.
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Haywood Academy Amplifier And Lamp Cases
Steve Fergusson, the Head of DT at Haywood Academy in Burslem Stoke on Trent, sent us some excellent examples of innovative student designs for Amplifier and Lamp cases. The cases were designed and made by GCSE and A Level Product Design students and display a high level of creativity in all of the Students involved.
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High Power Stereo Amplifier in a Jerry Can
Jerry Rolfe sent us this image of an old army water can, which he has retro fitted with our High Power Stereo Amplifier. The amp is fitted to the back with the power lead feeding in through the bottom of the can and the 3.5mm jack lead leaving the top of the can. According to Jerry It sounds awesome!
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High Power Amplifiers – Merchant Taylors’ School
We visited Merchant Taylors' School and we saw some amplifiers designed by some of the students using our High Power Amplifier Kits. We were very impressed with the range of upcycled materials that were used to design the case of the amplifiers.
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High Power Amplifier Kit – Dan Thwaites
Dan Thwaites sent us these pictures of our High Power Amp kit inside a 1952 German valve radio that was no longer working. He took out the original components and installed the Amp kit. The volume control knob still works as he fitted the potentiometer to it and wired it back to the PCB. The dial faceplate was also originally backlit by two bulbs, so he replaced these with two white LEDs wired in parallel off the board. He also had to extend the power and headphone sockets to fit around the original chassis.
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Oak High Power Stereo Amplifier Kit – James Stapling
James Stapling sent us these images of his oak high powered amplifier case. The cable tidies away into the box when not in use and it has a nice little oak volume control.
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Gallery High Power Amplifier Case Design – Formarke Hall School
High Power Amplifier Case Design by Jake Smith, a year 8 student at Formarke Hall School.
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Gallery Deluxe Amplifier – Meole Brace School
Deluxe Stereo Amplifiers by Meole Brace School Science College.
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Gallery High Power Amplifier – Meole Brace School GCSE
High Power Amplifiers by GCSE students at Meole Brace School Science College.
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How to use a 2-Way Passive Crossover
A crossover is the name given to a circuit that splits an audio signal into separate frequency bands. This allows different frequency bands of the output from an amplifier to be sent to different speakers instead of all being sent to one speaker.

Questions:

Posted by Tarun, Thursday, 13 October 2016 on product High Power Amp Kit

Question:

does it come in 3.5mm or 3mm?

Answers:

  • Posted by Rob Haywood on Thursday, 13 October 2016

    Hi Tarun.

    The cable is a 3.5mm jack.

Posted by William Sheard, Friday, 16 September 2016 on product High Power Amp Kit

Question:

Hi there, I was wondering how green and energy efficient this circuit is, I ask this as I am designing a upcycled speaker and main concern is the sustainability. Thanks, Will

Answers:

  • Posted by Michael Lockhart on Friday, 16 September 2016

    Hi William, The high powered amp kit requires a voltage of 12V’s and draws around 2A, as such it does draws a large amount of current due to the nature of the amplifier being a high powered amp. If you’re looking for a lower current draw amp then the 3W class D amp might be a better option as it draws around 600mA, https://www.kitronik.co.uk/2158-3w-class-d-stereo-amplifier.html

Posted by Thomas, Thursday, 28 July 2016 on product High Power Amp Kit

Question:

Hi there, I was wondering if instead of powering the circuit through mains, I could solder in a battery pack instead. Would this be possible if I used the following components? TruPower BH-363-1B 6 X AA Short Battery Holder TruPower BS-IR-1 PP3 Battery Clip (Heavy Duty) End Entry Thanks in advance!

Answers:

  • Posted by Michael Lockhart on Thursday, 28 July 2016

    Hi Thomas, you could technically run the kit from batteries, however it requires a 12V supply and will draw around 2A. So if you used 8 AA batteries (to give the minimum supply voltage required) these would be drained in around 1 hour’s time. As such we wouldn’t recommend using batteries.

Posted by Ben Hall, Friday, 22 July 2016 on product High Power Amp Kit

Question:

I was wondering if you could use this product with both the included speakers, and a pair of passive 2-way crossovers (100w) each with a 40W Titanium Dome Tweeter and a 100W Kevlar Woofer. If you could also explain how to do this that would be great. Thanks in advance for your answer I'm excited to adapt my existing setup. (By the way, I'm 14 so don't go into too much technical detail)

Answers:

  • Posted by Michael Lockhart on Friday, 22 July 2016

    Hi Ben, It is technically possible to do this, you would connect each crossover to the terminal block (as shown in the following link https://www.kitronik.co.uk/blog/use-2-way-passive-crossover/) and also the speaker wire to the terminal block as per the build instructions. However it is possible that there could be a delay from the speaker playing a signal to the woofer and tweeter playing the signal, so you could get a bit of an echo. Also you may get a little interference from the full range speaker through the crossover. If this is the case I would suggest removing the full range speaker. Hope this helps.

Posted by sam , Tuesday, 12 July 2016 on product High Power Amp Kit

Question:

does anyone know if they sell any of this stuff - Woofer Speakers (2pcs.) - Fullrange Speakers (2pcs.) - High Quality Amplifier (with 2 knob equalizer) - RCA Jack - Auxiliary 3.5 Stereo Jack - 4700uF 25V Electrolytic Capacitor (2pcs.) - 47uF 25V Electrolytic Capacitor (2pcs.) - 1K 1/4 Resistor  - LED Light Blue - Power Switch - iPod dock to auxiliary cable - Metal Potentiometer Knobs - USB/SD Card Reader Module - Round Plastic Containers (2pcs.) - Black Quick Drying Enamel Paint - Paint Thinner - Paint Roller With Tray

Answers:

  • Posted by Michael Lockhart on Tuesday, 12 July 2016

    Hi Sam, We sell some of the items you have stated, any of the products we stock can be found on our website.

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