*Currently sold. Since the age of the diaphragm is different on the left and right, it is inexpensive. Driver unit used in the ALTEC A7-8, etc. A Symbiotech diaphragm is used, and wideband playback is possible by combining it with an 811B sectional horn. A feeling of use can be seen on the exterior, dullness, rust, scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.12.21 Operation confirmed
Accessories: none
Main specifications: 1 inch impedance, 8 ohms, frequency characteristics, 800 Hz to 20 kHz, allowable input, 50 W, depth: 83 mm, approx. 2.7 kg