Western Electric KS-16610-L1 Pair

Good working conditions.

The exterior has rust, scratches, and dirt due to long-term use.
There is distortion in the wire mesh on one side, but it is hard to come off from the main body.

On-board vacuum tube
GE 6550A
JJ Erectronics ECC8025 8 pieces
4 TUNGSRAM OD3
2 electron OD3
1 Tung-Sol 5U4GB
GE 5U4GB 1 bottle
Manufacturer unknown 5U4GB 2