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Velleman-Kit K2572 Illustrated Assembly Manual

Velleman-Kit K2572 Illustrated Assembly Manual

Universal stereo pre - amplifier

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Total solder points: 42
Difficulty level: beginner 1
2
3
4
5
advanced
UNIVERSAL STEREO PRE - AMPLIFIER
K2572
ILLUSTRATED ASSEMBLY MANUAL
H2572IP-1

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Summary of Contents for Velleman-Kit K2572

  • Page 1 Total solder points: 42 Difficulty level: beginner 1 advanced UNIVERSAL STEREO PRE - AMPLIFIER K2572 ILLUSTRATED ASSEMBLY MANUAL H2572IP-1...
  • Page 2: Specifications

    Features & Specifications Specifications: Power supply: 10 - 30V DC maximum, stabilized. Current absorption with out charge : typ. 5mA. Adjustable gain : 40dB max. Frequency range : 40Hz - 30KHz (-3dB). IN-L Output impedance : 1KΩ. Max. Input voltage : 50mVrms (500mVrms) Dimensions : 44 x 65mm / 1,7”...
  • Page 3: Assembly Hints

    Assembly hints 1. Assembly (Skipping this can lead to troubles ! ) Ok, so we have your attention. These hints will help you to make this project successful. Read them carefully. 1.1 Make sure you have the right tools: • A good quality soldering iron (25-40W) with a small tip.
  • Page 4 Assembly hints 1.3 Soldering Hints : 1- Mount the component against the PCB surface and carefully solder the leads 2- Make sure the solder joints are cone-shaped and shiny 3- Trim excess leads as close as possible to the solder joint REMOVE THEM FROM THE TAPE ONE AT A TIME ! AXIAL COMPONENTS ARE TAPED IN THE COR- RECT MOUNTING SEQUENCE !
  • Page 5 Construction 1. Resistors 3. Ceramic Capacitor 5. Potentiometers R... RV... RV1 : 1K C ... RV2 : 1K : 100nF (104, u1) R1 : 22K (2 - 2 - 3 - B) R2 : 22K (2 - 2 - 3 - B) R3 : 1MΩ...
  • Page 6 7. Use Ten connections are provided on the pcb to connect the print with a device. These connections are identical to those of the RIAA preamplifier K25736 and in case you use the connectors included in this kit, you may interchange the two prints.
  • Page 7 8. PCB...
  • Page 8 VELLEMAN Components NV Legen Heirweg 33 9890 Gavere Belgium Europe www.velleman.be www.velleman-kit.com Modifications and typographical errors reserved © Velleman Components nv. H2572IP - 2003 - ED1 (rev 1.0) 5 4 1 0 3 2 9 3 1 0 1 2 7...