Horn adapter list

¥ 13,800 (1 unit, around 1973)
¥ 11,000 (1 unit, around 1978)
¥ 12,000 (1 unit, around 1981)

Throat adapter required for attaching a driver with a throat diameter of 2.5 cm to a horn with a throat diameter of 5 cm.
The frequency band above 8 kHz is somewhat lost.

¥ 18,100 (1 unit, around 1973)
¥ 13,000 (1 unit, around 1978)

Horn throat adapter for mounting on 5 cm driver.
Used for horns such as 2350, 2355, 2356 and 2397.

¥ 24,300 (1 unit, around 1973)
¥ 16,000 (1 unit, around 1978)
¥ 17,000 (1 unit, around 1981)

Double throat adapter that can use 2 5 cm drivers.
For example, 2350, 2355, 2397.

¥ 16,000 (1 unit, around 1978)
¥ 15,000 (1 unit, around 1981)

A throat adaptor for attaching a driver with a throat diameter of 5 cm to a horn with a throat diameter of 3.5 cm.

¥ 27,600 (1 unit, around 1973)

5 cm horn throat adapter for attaching to 2.5 cm driver.
It is 2 lines.