Description

This small amplifier is constructed around the TDA2003 IC, capable of delivering 4Wrms at 4 ohms. The IC is fully protected against overheating and short circuits. A conventional direct current is sufficient as power supply.

Features

  • exists also in mounted version: vm114

Specifications

  • music power output: 7W / 4ohm
  • RMS output: 3.5W / 4ohm or 2W / 8ohm
  • total harmonic distortion: 0.05% (1W / 1kHz)
  • frequency response: 20Hz to 20kHz (-3dB)
  • signal/noise ratio: 86dB (A weighted)
  • input sensitivity: 40mV / 150Kohm
  • overload and short-circuit protected
  • supply voltage: 15VDC (8 to 18VDC possible) / 0.5A
  • dimensions: 55 x 35mm / 2.2 x 1.4″

Additional information

Weight100 g
Dimensions4.00 × 15.50 × 17.50 cm
Electronics

level 1

Soldering

level 2

Coding

none

Mechanics

level 1

Manuals

Manual

Parts list
English assembly instructions through illustrations, pictures, etc.
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Assembly instructions
Written multilingual manual explaining how to build the kit
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Downloads

Info Sheets

Datasheet
Connection diagram of a 7W amplifier
EN
Datasheet
Connection diagram of a 7W amplifier with a volume regulator
EN
Datasheet
Connection diagram of a simple supply for the 7W amplifier (K4001) using a transformer, a rectifier & a capacitor.
EN
Infosheet
resistor colour code
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NL
Overview of Velleman modules that are equal to D.I.Y Kits
This sheet is useful when you want to know which modules you could find in the do-it-yourself range of Velleman Kits and minikits.
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NL