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Klein and Hummel B-74 & B-90 Microphone Input Modules (6 units) 1960-1970

Klein and Hummel B-74 & B-90 Microphone Input Modules (6 units) 1960-1970

£250
Price dropped from £251
ExcellentReverb6d ago

Sold by

A

Apollo Audio

View on Reverb

Details

First Seen
4 November 2026
Last Seen
10 November 2026
Times Seen
13

About this listing

Klein and Hummel B-74 & B-90 Microphone Input Modules (6 units) 1960-1970 is a used item in excellent condition, listed on Reverb. The asking price is £250. It is offered by Apollo Audio through Reverb. It is in our Microphones category. Used Gear Hunter first saw this listing on 4 November 2026 and last saw it on 10 November 2026. It has been seen 13 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

Offered is a rare set of vintage German studio plug-in modules from Klein & Hummel, including: 1x B-90: symmetric studio input, 1.5V 5x B-74: microphone input, low impedance & ground-free design These were built for professional broadcast or studio environments and are sought after for their robust build and modular format. Perfect for restoration, DIY projects (mic preamps).