![](http://www.alamy.com/thumbs/6/DA676D81-FAC7-4C50-BDDD-2CA856B448CC/2GP2GDJ.jpg)
Control knops of silver wooden vintage amplifier, closeup
Size: 6240px × 4160px
Photo credit: © Patrick Daxenbichler / Alamy / Afripics
License: Royalty Free
Model Released: No
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