Velleman K2572 Handleiding

Velleman Receiver K2572

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UNIVERSAL STEREO PRE - AMPLIFIER

K2572

ILLUSTRA TED ASSEMBLY MANUAL H2572IP-1

Total solder points: 42

Difficulty level: beginner 1  2 4  3   5 advanced

Low noise preamplifier

to boost small signals.

Specifications:

 Power supply: 10 - 30V DC maximum, stabilized.

 Current absorption with out charge : typ. 5mA.

 Adjustable gain : 40dB max.

 Frequency range : 40Hz - 30KHz (-3dB).

 Output impedance : 1KΩ.

 Max. Input voltage : 50mVrms (500mVrms)

 Dimensions : 44 x 65mm / 1,7” x 2,6”.

Features & Specifications

A1,A2 = IC1

IN-R

IN-L

RV1

RV2

OUT-R

OUT-L

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.

• Wipe it often on a wet sponge or cloth, to keep it clean; then apply solder to the tip, to give it a wet look. This is called ‘thinning’ and will

protect the tip, and enables you to make good connections. When solder rolls off the tip, it needs cleaning.

• Thin raisin-core solder. Do not use any flux or grease.

• A diagonal cutter to trim excess wires. To avoid injury when cutting excess leads, hold the lead so they

cannot fly towards the eyes.

• Needle nose pliers, for bending leads, or to hold components in place.

• Small blade and Phillips screwdrivers. A basic range is fine.

For some projects, a basic multi-meter is required, or might be handy

1.2 Assembly Hints :

⇒ Make sure the skill level matches your experience, to avoid disappointments.

⇒ Follow the instructions carefully. Read and understand the entire step before you perform each operation.

⇒ Perform the assembly in the correct order as stated in this manual

⇒ Position all parts on the PCB (Printed Circuit Board) as shown on the drawings.

⇒ Values on the circuit diagram are subject to changes.

⇒ Values in this assembly guide are correct*

⇒ Use the check-boxes to mark your progress.

⇒ Please read the included information on safety and customer service

* Typographical inaccuracies excluded. Always look for possible last minute manual updates, indicated as ‘NOTE’ on a separate leaflet.

Product specificaties

Merk:	Velleman
Categorie:	Receiver
Model:	K2572
Kleur van het product:	Groen
Breedte:	44 mm
Diepte:	65 mm
Gebruikershandleiding:	Ja
Garantiekaart:	Ja
Impedantie:	1000 Ohm
Frequentiebereik:	40 - 30000 Hz
Gevoeligheid:	40 dB
Afstandsbediening inbegrepen:	Nee
Maximum input level:	0.05 V