The Harmony 525
A few harmony amps of this period have the same sporty red racing stripes. The solid state H510 is an example that comes to mind. I have found some pictures of 525's with plain gold grills, but I do not know if they are factory or if they have been recovered. The cabinet is approximately 27" x 19" x 9". The carry handle is on the side of the amplifer cabinet.
The bookshelf mounted chassis in the upper part of the cabinet is completely different in contruction from either the Thunderbolt or the Airline. The power cord is missing the factory strain relief. The red square fuseholder is not original. The stock fuseholder was the common black screw-in type as is found on most amplifiers of the day. On most examples, the fuse is listed as 3 Amps. The pair of RCA 6L6GC's in this example are consistent with the factory installed types.
In the picture below, the side mounted carrying handle is clearly visible.
The C15PS special design speaker.
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