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The sport of high-end audio has been likened to peeling the layers of an onion at whose heart lies a reasonable facsimile of the sound of live music. The working assumption, of course, is that listeners must pay by the layer in order to draw ever closer to their goal. But every once in awhile I encounter companies whose components offer shortcuts to better sound at surprisingly reasonable prices—companies such as the German firm Vincent Audio. Some might question whether the phrases “German firm” and “reasonable prices” should be used in the same sentence, but in this case they can, because Vincent Audio’s driving passion is to build serious high-performance audio products that are eminently affordable. Two good cases in point would be the Vincent SA-31 vacuum-tube preamplifier ($499) and SP-331 hybrid-tube/solid-state, 150Wpc stereo power amplifier ($999). Like most others from Vincent, both were designed in Germany and manufactured in China (to hold production costs in check), and both exhibit unmistakable touches of Old World quality inside and out—quality you not only can see, but hear.
Based on two 6N16 vacuum tubes, the SA-31 is a linestage preamplifier that provides four analog inputs, two analog outputs, a recording output, and two old-school features—namely, a loudness compensation circuit and switch-selectable tone controls. Purists might counsel against using EQ for any reason, but I think there are contexts where the loudness function can improve perceived tonal balance for low-volume listening. Similarly, Vincent’s tone controls are subtle enough that they could be used, judiciously of course, to correct minor tonal imbalances in less-than-ideal recordings. Sadly, one modern feature the SA-31 does not provide is a remote control—an omission I came to regret as I made my umpteenth trip across the listening room to tweak volume levels. One very well-thought-out detail is the SA-31’s power-on muting circuit, which engages when the unit is fired up, as denoted by the power light flashing on and off, and releases once tubes are warmed up and the preamp is ready to play music.
