Record room:
Facilities in the church of St Katherine
built in 1763 by architect Yuri Velten.
Dimensions: 24 x 16 x 8.6 metres
Frequency characteristics of reverberation time:
Control rooms:
A, area 89 sq.m
B, area 38 sq.m
Two soundproof rooms:, areas 16 sq.m. and 8 sq.m