Universal stereo preamplifier k2572 - gain (presettable) : 40 db - frequency response : 40hz - 30khz (-3db) - maximum input signal : 50mvrms (500mvrms) - output impedance : 1kohm - power supply : 10 - 30 vdc, regulated - supply current : typ. 5ma - dimensions : 44 x 65 mm (1.73" x 2.56").
2 velleman components nv legen heirweg 33 9890 gavere belgium www.Velleman.Be.
K2572 3 while the soldering iron is heating, read this first ! You want to enjoy your velleman kit as quick as possible, these hints will assist you ! First, take your time. Hasty jobs often result in disappointments. Make sure your workspace is wide, clean and well lit. Collect all the necessary to...
K2572 4 when all the above did not bring you any closer to a solution, start thinking of a defective part or parts. Semiconductors like transistors, fet’s, ic’s and processors, although very reliable do not support abuse. You can send us suspect semiconductors for inspection and eventual exchange bu...
K2572 5 introduction this universal pre-amplifier kit replaces the long-running k1803. It has been upgraded with a low-noise integrated circuit and is stereo instead of mono. . For audiophiles with a turntable who wish a complementary phono amplifier, the k2573 stereo riaa kit is fully compatible wi...
K2572 6 assembly 1. Resistors start assembly with the resistors .They are not polarized, so they can be inserted in either direction. Only the three primary color bands are mentioned. There may be a fourth band which can be ignored. Inventory sequence of assembly reference part number / description ...
K2572 7 3. The electrolytic capacitors note carefully the positive leads before you fit the capacitor into the pcb board. Watch the polarity ! Inventory sequence of assembly reference part number / description m m c1 10 µf electrolytic capacitor m m c2 1 µf electrolytic capacitor m m c3 1 µf electro...
K2572 8 usage 10 connections are provided on the pcb to connect the circuit with signal inputs, grounds and power supply. These connections are identical to those of the riaa k2573; you can connect them by the numbers. 1. Ground 2. Out left 3. Ground 4. In left 5. Ground (power supply) 6. Plus (powe...
K2572 9 universal stereo mono preamplifier pcb layout and component placement.
K2572 10 modifications and typographical errors reserved © velleman components nv..
