Asked by: Scott
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Kitronik Stereo Amplifier, Pre-built plus PP3 battery
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Kitronik Stereo Amplifier, Pre-built plus PP3 battery
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Description
Our pre-built version of our stereo audio amplifier kit allows you to focus more on product design.
The stereo amplifier kit is supplied with all the resistors, capacitors & IC holder fitted. Students just need to finish it by connecting the jack lead, speakers & power clip to the board.
It can then be used with any personal stereo equipment, including MP3 players. It uses a NJM2073D audio amplifier IC which can output 1W per channel. The kit is supplied with two speakers and a pre-made jack plug.
It has a PP3 battery clip and can run off any voltage from 2 to 15 volts. Output power at 9V is 1W per speaker.
It works nicely off a 9V battery (not supplied) or if you want to run it of the mains why not try our 12V wall power unit.
This kit is also available in a kit version.
Note: You will only have to use the build instruction to connect the jack lead, power lead and speakers.
Features:
- 1W per channel stereo amplifier.
Contents:
- 1 x Stereo Amp Cable.
- 1 x PP3 Battery Clip Lead (Heavy Duty).
- 2 x 8 Ohm 66mm Speakers.
- 1m Figure 8 Speaker Cable 2x (7x0.18mm).
- 1 x Stereo Amplifier PCB
Note: The following components have been pre-assembled and soldered onto the Stereo Amplifier PCB.
- 1 x NJM2073D Stereo Amplifier IC.
- 1 x 8 Pin IC Holder.
- 2 x 10K Resistors.
- 2 x 4.7R Resistors.
- 2 x 100K Resistors.
- 2 x Ceramic Capacitor, 50V, 100nF.
- 2 x Electrolytic Capacitors, 16V, 470uF.
- 2 x Electrolytic Capacitors, 25V, 100uF.
- 1 x Electrolytic Capacitor, 16V, 10uF.
Dimensions:
- PCB Length: 58mm.
- PCB Width: 35mm.
Requires:
- Either: 1 x Zinc Chloride PP3 Battery.
- Or: 1 x 12V Wall Power Unit and 1 x 2.1mm PCB Mount DC Socket.
- Soldering Iron.
- Solder.
- Wire Cutters.
- Wire Strippers.
Buy British:
This product is designed and manufactured in the UK by Kitronik.
Same Day Dispatch
- Orders placed online before 3:00pm Monday - Friday (excluding public holidays and our Christmas shutdown period) are always dispatched the same day provided the goods are in stock. If the goods are not in stock we will endeavour to contact you as soon as possible to discuss a dispatch date.
UK Deliveries
- If you live on the UK mainland and don't have any large materials or lithium batteries in your order it will cost £3.95 (£4.74 including VAT) if you spend less than £40 (£48 including VAT).
- If you spend between £40 and £200 (£48 - £240.00 including VAT, excluding large materials or lithium batteries) delivery is free to most locations, £12 (£14.40 including VAT, excluding large materials or lithium batteries) to Northern Ireland and £15 (£18.00 including VAT, excluding large materials or lithium batteries) to UK remote locations. For a list of postcodes that will be charged the remote location rate: remote area list.
- If you spend over £200 (£240.00 including VAT, excluding large materials or lithium batteries) delivery is free within the UK.
Rest of the world
- These orders are sent via UPS, and the cost is dependant on the service you choose at checkout. Alternatively you can choose the free collection option and have your own courier collect it from us. International orders can only be shipped to the registered card address. Please note: International orders may be charged import duty dependant on local import laws and duty rates. These charges are usually billed to you directly from UPS.
- Delivery times vary for international orders depending on the service selected and the destination. You can see the delivery time and cost at the shipping stage, or by using the shipping estimator from within the shipping basket.
Collection
- If you would like to collect your order, or use your own courier then there is an option you can select during checkout. We do not charge a packaging or handling fee for this service, and you will receive an email when your order has been processed, you can collect half an hour after receipt of this email.
Further Information
- For information about all of the delivery options we offer see full delivery details.
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Q:
My son has made this kit at school and he was so happy to show us but when he tried to play music through it he was very dissapointed the sound was very bad rumble when turned up past half way and only one speaker worked properly i have looked at the soldering and all looks fine its v1.1 board i have also checked his speaker wires and all is fine im stuck as to how to help him fix this please help if you can
A:
Hi Scott, This seems a little odd as the kit is a pre-built version it should have been tested prior to leaving us, however it is possible that a fault wasn't picked up. As such the best option is to take a photo of the top and bottom of the circuit board to support@kitronik.co.uk and we will take a further look.
Answered by: Michael Lockhart
17-Jul-18
Q:
im wondering if I can use a conventional usb lead to power the PCB instead of a 9V battery. the usb has 4 wire in which two are red and black used to power the device. im asking if this will be safe to wire it up to the pcb having it plug into a wall mount with a usb port.
Asked by: keygan
A:
Hi Keygan, You can power this kit with a voltage between 2-15V, so a 5V supply would be fine. The kit also draws around 180mA, so as long as the USB power adaptor is rated to 500mA or over that should also be fine. I am unsure as to why your USB cable has 4 cables, the standard one we stock has 2 https://www.kitronik.co.uk/4101-usb-power-lead.html and would be fine with this kit.
Answered by: Michael Lockhart
27-Mar-18
Q:
Hi, A couple of years ago i bought pre built radio units for my GCSE/Alevel classes to build around. There was a cheaper one which i can see online about ?6.00 but im sure i bought more robust deluxe version, is there only 1 radio prebuilt kit now? thanks Armenay
Asked by: Armenay Ghambary
A:
Hi Armenay, we have a standard and deluxe stereo amp but we have only ever done one FM radio kit. Hope this helps!
Answered by: Aaron Sturman
16-Sep-13
Q:
I am looking for a pre made kit for an Ipad. How easy can is it toI attach the speakers to the board. Will the unit price go down if I purchase 500+ ? Regards Jon
Asked by: Jon Formon
A:
Hi Jon, It's a 2 minute job to attach the speakers. 10 solder joints including both the speakers and the PP3 clip. There is a 10% discount on this kit if you order over 300 units. It is explained in more detail here http://www.kitronik.co.uk/ordering/bulk-buy-discount-for-kits/
Answered by: Aaron Sturman
29-Jul-13
Q:
Ok well I'm glad I waited for a response! I am a complete layman with electronics but I've got a project to complete that needs surround sound. Is it possible to use 2 amplifiers that were somehow connected together and each amp would connect to 4 speakers?? Or what strength amp would be best for 8 of the 50mm speakers?
Asked by: Lindsey
A:
True surround sound works by having many different audio channels so each speaker plays a different sound. Mono has one channel so all speakers would make the same sound and stereo has 2 channels, a left and a right. Dolby 5.1 surround sound has 5 different channels (front centre, front left, front right, back left, back right) and the .1 stands for the sub woofer that makes the deep bass sounds. Unfortunately none of our kits can output more than 2 channels. If you must have 8 speakers however you could use 4 stereo amp kits and connect the same audio input to all of them. They would each need their own power supply (9
V battery/wall adaptor) though. You might get a slight echo from them as minor differences in the components might cause them to be very slightly out of synch. Then again I don't know if this would be noticeable. You might be able to get away with adding 2 extra speakers per kit by wiring them in parallel with the original speakers (wiring the extra speakers into the same place as the standard ones.), that way you would only need 2 stereo amps.
V battery/wall adaptor) though. You might get a slight echo from them as minor differences in the components might cause them to be very slightly out of synch. Then again I don't know if this would be noticeable. You might be able to get away with adding 2 extra speakers per kit by wiring them in parallel with the original speakers (wiring the extra speakers into the same place as the standard ones.), that way you would only need 2 stereo amps.
Answered by: Aaron Sturman
20-May-13
Q:
Hi are you able to make this but with 4 speakers? I need one reasonably cheap for my A-Level D&T course. If you could please make a custom one with 4 speakers, 3.5mm jack input and a on/off switch. I will buy it online from you Please & Thanks! Email me if its possible
Asked by: Zak
A:
Yes the IC will drive a four ohm load (two 8 ohm speakers in parallel) so you can connect two speakers to each output. However it won't be any louder or any better quality audio. If you want an on board on off switch then the deluxe amplifier might be a better option see: http://www.kitronik.co.uk/products/project-kits/ic-based-kits/deluxe-stereo-audio-amplifier-kit/ If you just want to add a power switch have a look at the following tutorial: http://www.kitronik.co.uk/resources/tutorials/how-to-add-a-power-switch-and-led-to-your-project-kit/ (No need to fit the LED & resistor if you don?t want them) If you need extra speakers see: http://www.kitronik.co.uk/products/components/audio/speakers/66mm-speaker-pack-of-10/
Answered by: Geoff Hampson
21-Dec-12
Q:
can i use this to power my tooth tunes toothbrush
Asked by: mike hunt
A:
You would need to be able to get access to the audio output from the toothbrush which I suspect may involve destroying it, not that I've seen one to be able to state with that any certainty. If you can get to the 0V signal and the audio signal then yes you could connect it to this kit and use your tooth brush as an audio source.
Answered by: Geoff Hampson
18-Dec-12
Q:
Hi Geoff - what are the dimensions of the speaker? Phil
Asked by: Phil Shankland
A:
The diameter is 66mm and the width of the speaker is 20mm.
Answered by: Geoff Hampson
12-Sep-12
Q:
Hi, Is it possible to purchase this item with a 30 pin ipod connector and if so what would the price be. Many thanks.
Asked by: Nigel Jewell
A:
We do a deluxe version which is available with either an iPod or a jack version. See related products (top left).
Answered by: Geoff Hampson
02-Dec-11
Q:
im making a project the project is to make a mp3 dock and then make a case so would this do the job
Asked by: craig
A:
Yes this amplifier is perfect for use with an MP3 player. If you want some ideas as to how to design the enclosure click on the camera icon at the bottom of the product description.
Answered by: Geoff Hampson
13-Sep-11
Q:
Hi, I'm looking for a smallish but good quality battery powered power amplifier kit for a project. It needs to be a minimum of around 5watts output per channel, but can be more. It won't need any volume or balance controls as volume etc can be controlled by the sources I'm intending to use- tiny MP3 and DAB radio players. I have speaker drive units already so won't need any of those either. Do you have anything suitable, or can you recommend something if not please? Many thanks, Paul.
Asked by: Paul Tercel
A:
Hello Paul, The output power of this kit is 1W at 9V. It sounds pretty loud. If you need a louder kit please take a look at the Audio Amplifier kit in the SparkFun section. Kevin
Answered by: kevin Spurr
02-Aug-11
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