Fostex 1dB step transformer attenuator. It uses a large single-turn transformer and a highly reliable rotary switch with low contact resistance. The input/output terminals are tight-fitting. *The red and black terminals on one side are attached in reverse. The exterior is dull and has small scratches (Satoshi Yonejima)
Maintenance information: 2026.3.1 operation confirmed
Accessories: No accessories
Main specifications: 8Ω allowable input 100W (when using a network) attenuation 0 to 12 dB size W88 x H90 x D170 mm approx. 970 g