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Details about  Unbalanced to balanced stereo preamplifier for BTL !

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Unbalanced to balanced stereo preamplifier for BTL !
Item Ended
Item condition:
Brand New
15 May, 2013 19:40:52 AEST
US $22.99
Approximately AU $31.97(including postage)
US $5.00 (approx. AU $6.95) Economy Shipping | See details
Item location:
default, default, Hong Kong

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Item specifics

Brand New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ... Read moreabout the condition

This is a preamplifier for transforming unbalanced to balanced configuration. This balanced output can be connected to a balanced power amplifier, or it can be connected to two identical power amplifiers to form a BTL power amplifier. 

This is a versatile means of connection since all power amplifier that have enough current capability can thus be connected for BTL and not confine to amplifiers that has non-inverting and inverting input. 

This is particular attractive for those SE type of class A amplifiers that has low operating voltage but strong current driving capability. 

The assembly board features 2.0mm board thickness, 75um copper thickness, audio grade MKP coupling capacitors. 2 pieces of Signetics/Philips new old stock NE5532 are used. The opamps can be easily replaced by other dual opamps easily via the IC sockets.

Board Dimension : 80mm x 80mm.

Supply voltage : AC 12Vx2 to 18Vx2.

We do air shipping worldwide at US$5.00. We welcome combine shipping.

On Mar-05-09 at 01:26:55 PST, seller added the following information:

On Apr-05-11 at 21:46:58 PDT, seller added the following information:

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