Maintained. Representative of JBL's 1-inch driver units. The playback band is wide, so you can enjoy changing the network cross freely. The toughness, sound pressure, and full-bodied mid-high sound are appealing, which is unbelievable for some input. There are small scratches and dents on one side of the diaphragm (Oikawa Tetsuji)
Maintenance information: 2025.10.4 maintained (vibration plate installation adjustment, pad dampener and mounting screws replaced due to rust
Dispensing terminal contact part cleaning, terminal part dirt ultrasonic cleaning, insulation bushing deterioration replacement, vibrating plate stain cleaning
DCR (60983 6.2 ohm vibrating plate with small scratches) (63530 6.6ohm s vibrating plate with small dents)
Accessories: none
Main specifications: 1 inch driver 500 to 20,000 Hz 8 ohms (DCR 40757/5.7 ohm 46314/5.8 ohm) W145 x D97 mm 5.1 kg/book