Neumann NKMa power supply unit for microphones such as the KM54 KM254 In excellent condition #11281 is a used item in excellent condition, listed on Reverb. The asking price is £1,307. It is offered by Heinz Audioparts through Reverb. It is in our Accessories & Parts category. Used Gear Hunter first saw this listing on 28 September 2026 and last saw it on 9 November 2026. It has been seen 32 times in our scans. Prices are converted from the seller's currency when we scan the listing, so the amount you pay may differ slightly. The seller sets shipping, and import duty or VAT may apply, so check the final cost and the item's details on Reverb before buying.

From the seller

(Please note!! Enquire about delivery outside the EU before purchasing) The Neumann NKMa is a vintage power supply for valve condenser microphones manufactured by Georg Neumann GmbH in the 1950s. It was designed to power microphones fitted with the Telefunken AC701 valve. This NKMa #11281 is in almost new condition. The casing is slightly chipped at one corner (see photo) The NKMa has been used with the following microphones, amongst others: Neumann KM 53 KM 54 KM 56 KM 253 KM 254 KM 256 other AC701-based models. Tested and in working order

Neumann NKMa power supply unit for microphones such as the KM54 KM254 In excellent condition #11281

Sold by

Details

About this listing

From the seller