That looks like the 8566 assigned part number, it may or may not be
a 33320 series attenuator but does the assembly have the internal
switches on the side of the coils?
On 15/09/2024 13:50, Jinxie via
groups.io wrote:
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Adrian, there are no markings on this attenuator body which
indicate that it's a 33320 series one. It says on the front
label "85660-60121 ATTENUATOR / 70dB" so
I'm
not sure how much - if any - similarity there is between them
and whether we can rely on that manual excerpt?