Nagra BPS Phono Stage - Brief Impressions
Introduction As luck would have it, a kind soul lent me a Nagra BPS phono stage for a week to conduct an analog workshop for a small group. The BPS was handed over to me in a small plastic flightcase, which was a refreshing change from the equipment I have had to handle recently (which could double up as weights in the gym !) Description The Nagra BPS is slightly larger than the palm of my hand, and operates from a single 9V battery. It has a variety of loading and gain options, which should make it easy to mate with a variety of cartridges. MC gain is partly accomplished using in-house wound transformers. The top cover of the BPS removes easily using the supplied hex key, giving access to various jumpers and the loading board. A separate hatch allows you to swop the 9V battery easily without having to open the top cover. The front panel has a single toggle switch with three positions, "on", "off" and "test" (for battery life). The rear panel has two pair...