hifi engine

Difference between Sansui QRX 5500 and 5500A

Anyone know the difference between 550 @5500A? Is it worth an additional $75.00. thanks in advance mark

Sansui QRX5500 & QRX5500A

Hi markcolen!

The Sansui QRX5500A has other IC's in the contrast of QRX5500.
Sansui would use the name A, in order to point out the change.
The change of the QS-Decoder and QS-Synthesizer to the later QS wades,
SQ and Surround procedures.