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<img target=\"_blank\"><img style=\"text-align: center;\">BC1 box versio XLR Balanced Unbalanced (RCA) to unbalanced (RCA) balanced preamp

TIPS:(This is a finished version. with all parts .just one thing you must know. the clear box you need assemble by yourself when you got package. it\'s easy do that.because i have not assemble it yet.it\'s easy broken if assembled finish after sent it out to buyer, please understand.when done. you will got a product as the picture you see. )

Pakcage included:

1 x Balanced Unbalanced (RCA) to unbalanced (RCA) balanced board

8 x screws (to fixed the PCB and transformer to the panel.)

6 x clear panel (assemble to a box)

1 x transformer (with 110V and 220V version for choice. i will sent correct one to you by your country.)

1 x power board.(provide power to the balanced converter board)

1 x power cable.( with EU/AU/US/EU/UK plug for choice. iam also can sent a correct one to you by your country)

This is a preamplifier with Balanced/unbalanced input and balanced/unbalanced output for all combination of transforming between unbalanced and balanced audio configuration. Thus, it can do the below functions :

Balanced input -> balanced output ;

balanced input -> unbalanced output ;

unbalanced input -> balanced output ;

unbalanced input -> unbalanced output.

Each channel contains a new old stock signetics/ TI NE5532 for low noise /low distortion signal processing. The opamps can be easily replaced by other dual opamps easily via the IC sockets.All the resistors are low noise, low tempco, 1% tolerance metal film resistors. The balanced input/outpu Cannon sockets are already mounted on the board. For the unbalanced input/output, simple 2-pin PCB board terminals are mounted on the board. The whole assembly can be seen in the pictures.

The default voltage gain is one.

PCB thickness : 1.6mm board

Copper thickness :60um( four times normal thickness !!)

Board Dimension : 104.5mm x 70.5mm.

Supply voltage : DC +/-12~15V/LM337 adjustable dual+/...

About shipment time:

If you areUS,RUSSIA buyer,we will ship item to you byUSPS express.6-12 days arrval,other country buyer.this item will ship to you byregister mail.with tracking number,usually 2-4 weeks arrival

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