Upgrade your NVA P90 passive preamplifier to MKII P90SA specification:
- A superb new stepped attenuator - silent between steps (no cracking or fluffing), exceptionally smooth operation (no clicks between steps) and upgraded load resistors.
- Upgraded silver internal wiring.
£470 for stepped attenuator and internal wiring upgrade
Improved clarity and separation.
Order the upgrades here: https://www.nvahifi.co.uk/preamplifiers ... tion-etgx3
Upgrades are non-returnable / non-refundable. We will return your original attenuator(s) to you with your upgraded item (or dispose of, at your request).