Vincent Audio Gives Hybrid Tube Amp and Preamp a Boost 
Home Theater News Power Amplifier News
Written by Dick Ward   
Thursday, 29 April 2010

Two of Vincent Audio's most popular products are getting an upgrade.  High performance versions of both the SA-31 preamplifier and SP-331 Class AB amplifier (noted by the addition of MK to the end of the model number) are now available.

The SP-331 MK is based on the Class AB amplifier, but it's now a Class A/AB amp.  Its output stage operates in Class A mode for signals under 10 Watts, from there it kicks up to AB for a total output of 150 Watts at 8 Ohms.  Vincent says that this helps reveal subtle detail in music that's otherwise hard to produce.  

The SA-31 MK preamp is also newly configured for Class A operation.  Vincent has added a pair of 6N16 vacuum tubes to the new output stage.  The new model also ups the inputs from four to six and includes a wireless remote control. Both the SA-31 MK ($2,199) and SP-331 MK ($1,399) are available now in silver and black finishes.

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