Maksim Kryukov

RUSSIAN FEDERATION, THE • + Follow

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CZECH REPUBLIC, THE
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Yevgeniy

KAZAKHSTAN
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RUSSIAN FEDERATION
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Ian Kirsanov

RUSSIAN FEDERATION
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Description

RRR S-30 crossover (FLT6.S30U.04)

### DESCRIPTION

Universal crossover board for Radiotehnika S-30/S-30B speakers (S-30A has no crossover).

In both types of speakers resistors and coils have to be taken from the stock boards, but new film capacitors have to be used.

### TECHNICAL DETAILS / COMPONENTS

Board size: 90x82 mm

Film capacitors have to be equal or less 5 mm in width and have 15 mm lead spacing. All capacitors are 1 uF 100 V.

Variable resistor CP5-28B 33 Ohm 1 W.

1x 100 Ohm 2 W resistor.

For S-30: 3x 22 Ohm 2 W resistors.

For S-30B: 4x 12 Ohm 2 W resistors.

### LEARN / TOPIC / BUILD INSTRUCTIONS

"0" marking under resistors means that you have to put jumper instead of the resistor (you can use leads cut from new resistors that you've installed).

"-" marking under resistors means that no part should be placed in that place.

Coil pinout is the same as in official S-30 or S-30B schematics.

Sep 26,2018

12,599 views

RRR S-30 crossover (FLT6.S30U.04)

1 Layers PCB 82 x 90 mm FR-4, 1.6 mm, 1, HASL with lead, Black Solder Mask, White silkscreen

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Published: Sep 26,2018

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Topic

DIY Electronics

FLT6.S30U.04 S-30B S30 S-30 Radiotehnika RRR Crossover Speaker

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