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MP3 Mono Amplifier Project Kit, no longer stocked

Exclusive to Kitronik
Teaching Notes
Key Stage 3
DISCONTINUED - MP3 Mono Audio Amplifier Kit: can be used with any Personal Stereo Equipment, is supplied with a PP3 Clip and a Jack Cable, and uses a TBA820M Audio Amp IC.

Availability: Out Of Stock.

Code1+ 5+ 50+
2115£3.02
(£3.624 incl VAT)
£2.29
(£2.748 incl VAT)
£1.99
(£2.388 incl VAT)

Please note: this product has been discontinued and is present for reference only. It is not possible to buy this product.

This item has been replaced by MP3 Mono Amplifier V2.0.

This audio amplifier kit can be used with any personal stereo equipment, including MP3 players.

It uses a TBA820M audio amplifier IC which can output 1.6W of power.

The kit is supplied with a pre-built jack cable and a PP3 battery clip, and can run off any voltage from 3 to 16 volts.

Features:

  • Great value electronic project kit.
  • Works with any stereo equipment.

Contents:

Dimensions:

  • PCB Length: 45.5mm.
  • PCB Width: 35.5mm.

Requires:

Resources:

This kit is supplied in a grip seal bag. It is also available in retail packaging. For more details on this version click here, and a version with a Perspex case included, for more details on this version click here.

Click here to find out more about Autodesk.

Free samples:

Teachers can order a sample of this kit (one per school) here. You will need to select the kit from a list of all the sample kits; the stock code for this kit is 2115.
Note: this service is only offered to schools for evaluation purposes only.

Buy British:

 This kit is designed and manufactured in the UK by Kitronik.

Please note: this product has been discontinued and is present for reference only. It is not possible to buy this product.


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Questions:

Posted by Alice Taylor, Monday, 9 June 2014 on product MP3 Mono Amplifier Project Kit, no longer stocked
  • 0
    vote
    A: You push the legs through the holes on the board, solder them in place then cut off the excess.
    Posted by Aaron Sturman on Monday, 9 June 2014
Posted by Patryk Dyl, Friday, 6 June 2014 on product MP3 Mono Amplifier Project Kit, no longer stocked
  • 0
    vote
    A: The amplifier IC can't output more than 1W total so if you have 2 speakers the most power they can provide is 0.5W each.
    Posted by Aaron Sturman on Friday, 6 June 2014
Posted by James, Friday, 21 June 2013 on product MP3 Mono Amplifier Project Kit, no longer stocked
  • 0
    vote
    A: Hi James, the mono amp should work with anything that has a 3.5mm socket. I can confirm it works with an iphone just fine if you put it in the headphones socket. I would recommend taking a photo of the top and the bottom of the board and emailing them to support@kitronik.co.uk and I will take a look at what is causing the problem.
    Posted by Aaron Sturman on Friday, 21 June 2013
Posted by Joe, Tuesday, 18 June 2013 on product MP3 Mono Amplifier Project Kit, no longer stocked
  • 0
    vote
    A: Have you left the battery connected while the kit is not in use? As the amplifier will take a bit of power to amplify the silence and once flat the board wont work.
    Posted by Geoff Hampson on Tuesday, 18 June 2013
Posted by Keith, Tuesday, 14 May 2013 on product MP3 Mono Amplifier Project Kit, no longer stocked
  • 0
    vote
    A: A 10K Trimmer Pot (variable resistor) placed just after the audio input will act as a volume control. When set to minimum resistance the volume will be full and as the resistance is increased the volume will go down.
    Posted by Aaron Sturman on Tuesday, 14 May 2013
Posted by Iwan, Thursday, 29 November 2012 on product MP3 Mono Amplifier Project Kit, no longer stocked
  • 0
    vote
    A: There are a number of reasons why the kit might be quiet. Within the teaching material there is a fault finding flow chart which lists these reasons. If we assume the batteries are good and the volume on the music source is good then, the other options are: IC1 for a short on pins 1&2, 2&3 or 6&7 R1 & R2 are in the right place For a dry joint on C4, R2 or IC1 pin 2.
    Posted by Geoff Hampson on Thursday, 29 November 2012
Posted by Alexandre, Wednesday, 28 November 2012 on product MP3 Mono Amplifier Project Kit, no longer stocked
  • 0
    vote
    A: It depends upon the voltage you run the amplifier at as to what the output power will be. That said if you work on needing a speaker that can handle a peak power of at least 1W then you will be fine. You can of course go for a higher wattage speaker and whilst the amplifier won?t be able to drive the speaker at its full power the higher power speakers do tend to be of a better quality. That said if you try and drive a speaker that is too higher power the amplifier won?t have enough power to move the coil at all. So my recommendation would be a speaker between 1W and 20W. The speaker should have a resistance of 8 ohms. We do a higher power full range speaker which sounds really clear with the kit, see: https://www.kitronik.co.uk/products/components/audio/speakers/20w-10cm-full-range-speaker/
    Posted by Geoff Hampson on Wednesday, 28 November 2012
Posted by Chris, Wednesday, 25 July 2012 on product MP3 Mono Amplifier Project Kit, no longer stocked
  • 0
    vote
    A: You can run the amplifier off a 5V supply and the USB port is able to deliver enough current in this instance. However The higher the supply voltage the higher you can turn the volume up without it distorting.
    Posted by Geoff Hampson on Wednesday, 25 July 2012
Posted by armitage shanks, Wednesday, 23 May 2012 on product MP3 Mono Amplifier Project Kit, no longer stocked
  • 0
    vote
    A: We offer a bulk buy discount on all Kitronik project kits including this one. The full details of this can be found by clicking on the green ? icon at the bottom of the product description. For an order of 300 or more kits we would apply a 10% discount to the order.
    Posted by Geoff Hampson on Wednesday, 23 May 2012
Posted by hari kondabolu, Tuesday, 22 May 2012 on product MP3 Mono Amplifier Project Kit, no longer stocked
  • 0
    vote
    A: The speakers are 66mm in diameter.
    Posted by Geoff Hampson on Tuesday, 22 May 2012
Posted by Jamey :), Monday, 12 September 2011 on product MP3 Mono Amplifier Project Kit, no longer stocked
  • 0
    vote
    A: The output sound pressure level for the speaker is 89 dB (+/- 3dB). The max input power of the speaker is 1W. So at 1m the output power will be 89dB.
    Posted by Geoff Hampson on Monday, 12 September 2011
Posted by Gareth Evans, Tuesday, 3 May 2011 on product MP3 Mono Amplifier Project Kit, no longer stocked
  • 0
    vote
    A: The mono amplifier only uses one channel. It doesn?t do anything cleaver, like equally mix the two channels. If you want a higher spec amplifier then there is a stereo version of the amplifier (there is a link to the stereo version on the related products - top left).
    Posted by Geoff Hampson on Tuesday, 3 May 2011

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Physical characteristics:

  • PCB Length: 46mm.
  • PCB Width: 36mm.
  • PCB Component Count: 13.

Electrical characteristics:

  • Voltage Nominal: 9V.
  • Voltage Range: 3V - 16V.
  • Standby Current: 4mA.
  • Current Max at Nominal Voltage: 60mA.
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