NVA PASSIVE PREAMPLIFIERS


NVA’s passive control units are designed with one aim in mind - to produce the smallest possible signal degradation. The passive concept is a logical extension of minimalism. Where a minimalist amplifier shows better audio performance through eliminating tone controls, filters and loudness switches, NVA goes one step further.

Using a high specification cermet potentiometer which we believe is unique to NVA, a heavy-duty switch, gold phono connectors and carefully tuned short runs of the best quality cable we can find, the P50 and P90 have repeatedly outperformed passive and conventional preamplifiers costing many times the price.

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NVA P50 Passive Preamplifier

This is NVA’s entry-level unit for those starting off with their first separate pre/power amp combination. Whilst it is a cost-effective way of entering the world of multi-box amplification, it is still built with the finest quality components you would expect from NVA.

Being of passive design, it is utterly transparent and has no sound of its own, simply being a conduit for the music from record/CD or other musical source. It really is an open window onto the signal it is fed.

 NVA P50 Preamplifier

NVA P50 Preamplifier

NVA P50sa Passive Preamplifier

This is available as a new, ready-built unit or as an upgrade option for those who already own the standard P50. The ‘sa’ stands for stepped-attenuator where each setting of the volume control has the shortest possible signal path. Improvements over the already superb standard P50 are greater transparency, improved dynamics and even more musical detail. That opening in the musical window has just become a little wider.

 NVA P50sa Preamplifier

NVA P50sa Preamplifier

NVA P90 Passive Preamplifier

With the P90 we now have volume control split into two, completely separate channels. By doing so it will have a similar effect to moving from a single power amp to dual mono blocks. Increased dynamic nuance and headroom are the first things we notice, plus even more spacious soundstage and ambient detail.

 NVA P90 Preamplifier

NVA P90 Preamplifier

NVA P90sa Passive Preamplifier

The flagship pre-amp of the ‘black box’ series. This replaces the pair of standard volume pots (the same type as used on the standard P50) with a pair of stepped attenuators. Whilst these take longer to run-in vs the standard volume pot – each setting on the volume control has its own resistor after all – the wait is well worth it. That musical window is now even wider.

 NVA P90sa Preamplifier

NVA P90sa Preamplifier