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Rapid Audio Amplifier Project Kits

<P>Aimed at <B>Key Stage 3</B>, the Rapid Audio Amplifier Project Kit provides teachers and students with a stimulating and inexpensive project through which to study the subject of amplification. The kits contain a comprehensive selection of components for schools working on audio related projects linked to the National Curriculum.</P><P>The kit is available in <STRONG>packs of 5</STRONG> or <STRONG>classpacks of 20</STRONG> kits offering a worthwhile saving over parts bought separately - ideal for schools working to tight budgets.<BR><BR><a href="/pdf/70-0180t_v5.pdf"><B>Teachers notes are available to download here</B></a>.</P><P><IFRAME height=315 src="https://www.youtube.com/embed/g54LPX29meA?rel=0" frameBorder=0 width=560 allowfullscreen></IFRAME></P>
  • Students have the opportunity to build a small amplifier, which can be incorporated into a variety of product designs, e.g., as an amplifier for a personal CD / MP3 player so that they can share their music with their friends
  • The students have a number of design situations to select a starting point from, and they are provided with research topics and background material to help build understanding for their chosen design brief
  • The student notes provide material for students to explore how a range of simple amplifier circuits work
  • They also include guidance on the design and construction of speakers
  • To support students during the construction of the circuit, detailed instructions have been included on how to assemble the amplifier, and how to integrate the circuit into student designs
  • In addition, care has been taken, through extensive evaluation of the teaching material and PCB designs in schools, to ensure that the circuits are easy and robust enough for student manufacture
  • A detailed set of teacher notes is available which includes suggested lesson plans and mapping to the National Curriculum
  • The project notes have been designed for photocopying for class use

    Each kit contains the following:
  • TBA820M audio amplifier and IC socket
  • Resistors, capacitors, and LED
  • Switch and connecting jack socket
  • Connecting cable
  • Speaker and speaker cable
  • Battery clip

  • Available in packs of 5 kits, 70-0180, (no PCBs) or classpacks of 20 packs (including PCBs)
  • Classpack of 20, 13-0106, is supplied in a 43 x 31 x 7cm Gratnells tray
  • Classpack of 20, 13-0105, has an enclosed battery box and is supplied without the Gratnells tray

Each kit requires 1x PP3 battery (not included).

Pre-drilled PCBs are available separately in packs of 5, order code 70-0190 (Included in Classpacks of 20, 13-0105 & 13-0106).

QuantityDescriptionOrder code
Each kit contains:
17/0.2 Speaker Cable (150cm from 01-0162)01-0162
1150pF 2.5mm Ceramic Capacitor11-3409
147nF 100V 5mm Polyester Box Capacitor10-3258
1100nF 63V 5mm Polyester Box Capacitor10-3260
110uF 25V Radial Electrolytic Capacitor11-0220
2330uF 16V Radial Electrolytic Capacitor11-1404
1Battery Clip PP3 - end entry**18-0093
13.5mm Stereo Plug to Plug lead20-0040
13.5mm Stereo PCB socket20-0137
18-pin DIL socket (1 from 22-0107)22-0107
166mm Ferrite 8 Ohm speaker35-0130
1OSNR5164A 5mm 2.2V Red LED55-1790
2470R CR25 0.25W CF Resistor62-0365
31K CR25 0.25W CF Resistor62-0373
11R CR12 0.125W CF Resistor64-1100
1SPDT right angle PCD slide switch76-0272
1TBA820M Audio Amplifier IC82-0485
13-0106 Classpack of 20 in Gratnells tray contains:
4Audio amplifier project kits (pack of 5)70-0180
4Audio amplifier project kit PCBs (pack of 5)70-0190
1Shallow Gratnells tray14-0430
1Gratnells tray lid14-0436
13-0105 Classpack of 20 contains:
2018-0295 PP3 battery holders** (replacing 18-0093)
4Audio amplifier project kits (pack of 5)70-0180
4Audio amplifier project kit PCBs (pack of 5)70-0190

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