This is a tubular condenser headphone driver that maximizes the power of STAX ear speakers. At the time, it was used as a set with Lambda Nova, but it can also be enjoyed with other STAX ear speakers. There are minor scratches on the front panel on the exterior (Ryo Mizusaki)
Maintenance information: 2025.11.23 Operation confirmed
Accessories: instruction manual, power cable, connection cable, original box
Main specifications: Vacuum tube used 6CG7 x 2 W195 x D375 x H103 mm 3.4 kg