Red October SDM Matched Stereo Pair of Dynamic Microphones — Serviced, 1950s, USSR is a used item in very good condition, listed on Reverb. The asking price is £298. It is offered by Audiodrome through Reverb. It is in our Microphones category. Used Gear Hunter first saw this listing on 28 September 2026 and last saw it on 9 November 2026. It has been seen 28 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

Up for sale the matched pair of extremely rare Soviet Dynamic mics - SDM, produced at RED OCTOBER plant in Odessa under license from Oktava. Production years - 1954 and 1956. These heavyweight microphones have an unique feature - an aluminum membrane (diameter 70 mm / 2,75 inch) and fist-sized magnet, due to which they have a very unusual and specific sound. The microphones after professional service. I want to note that these microphones definitely need service due to the peculiarities of the aluminum membrane and old age, so you can hardly find a right sounding microphone from a random ebay seller. Also original cables were replaced to new ones (since the original cables have rotted due to their age) and XLR jacks were installed. Shortly speaking, the microphones are completely ready to record your wonderful vintage recordings! Specifications: Average sensitivity: 0.25 mbar. Uneven frequency response: no more than 6 dB. Frequency range: 50-10000 Hz. Load resistance: 200600 ohm. Weight: really heavy WORLDWIDE SHIPPING. Terms of delivery approx. 2-6 weeks. (AirMail with tracking number) I will ship it within 4 days after payments received.

Red October SDM Matched Stereo Pair of Dynamic Microphones — Serviced, 1950s, USSR

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