Vincent SP-332
Hybrid power amplifier combining valves and FET transistors, delivering 150 W per channel into 8 ohms for a warm and dynamic listening experience.
Description
The Vincent SP-332 is a hybrid power amplifier, designed as the successor to the SP-331. It combines a valve input stage with a FET transistor output stage, an architecture intended to combine the sonic colour of valves with the power handling of solid-state components.
The input stage uses two 6N16 valves, whilst a 6N15 valve provides supply voltage stabilisation. On the output side, eight FET transistors deliver 150 watts RMS per channel into 8 ohms. The whole design relies on a 500-watt toroidal power supply and capacitors totalling 80,000 μF, a specification aimed at delivering bass that is both natural and tight.
The front panel features two VU meters whose backlight colour can be set to green, blue, red or white via a switch located at the rear of the unit. Two buttons allow output selection for two pairs of speakers, enabling playback in two separate rooms. The unit has RCA and balanced XLR inputs, selectable via switch, which makes it easier to pair with a wide range of preamplifiers, including the Vincent SA-32.
This type of amplifier is aimed at enthusiasts wishing to drive power-hungry speakers, with a preference for a warm sonic signature rather than a cold, analytical one. The ability to manage two pairs of speakers is particularly suited to multi-room installations or comparative listening setups.
Technical specifications
| Power | 150 W per channel into 8 Ohms |
| Input stage valves | 2 x 6N16 |
| Stabilisation valve | 6N15 |
| Output stage | 8 FET transistors |
| Power supply | 500 W toroidal |
| Capacitor capacity | 80,000 μF |
| Connectivity | Switchable RCA and balanced XLR inputs, 2 speaker outputs |
What to check before buying used
The 6N15 and the two 6N16 valves age progressively: sound losing presence or a slight hum at power-on should be seen as a warning sign of wear and a replacement budget to plan for. The large filter capacitors (80,000 μF) also warrant checking, as prolonged storage without use can degrade their capacity. Finally, the eight output FET transistors should be tested on both channels, and the VU meters and their colour backlighting should be confirmed to be working correctly.
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