![](http://www.alamy.com/thumbs/6/DAF5ED9E-CE21-4B0A-96A8-EEB382DF1CE5/2GP2HT3.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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