Like the previous models, the REF610T is a mono bloc with balanced push-pull (16 tubes 6550C) . But there are now two 6550C drivers for 8 output tubes. Polarisation adjustments are easier ( 2 instead of 16 on the REF600 ). Power supply capacity has increase of 1000 joules.
Power : 600 W per channel
Frequency response : 1 Hz to 200 kHz (-3dB)
Size L34,3 x H58,4 x P52,8 cm
Weight : 77,2 kg