What tubes are used in the Reference 75 SE?
The Reference 75 SE uses two matched pairs of KT150 power tubes and two 6H30 driver tubes.
What is the output power of the Reference 75 SE?
This amplifier delivers 75 watts per channel continuously from 20Hz to 20kHz.
What speaker impedances are compatible with the Reference 75 SE?
The amplifier has outputs for both 4 ohm and 8 ohm speakers.
How do you connect the Reference 75 SE to a preamplifier?
The Reference 75 SE features balanced XLR inputs for connection to a preamplifier.
What are the dimensions and weight of the Reference 75 SE?
It measures 48.3 cm wide, 22.2 cm high and 49.5 cm deep, weighing 21.3 kg.
How is the bias of the tubes set?
The bias can be read and adjusted using the two large VU meters on the front panel.
What is the frequency response of the Reference 75 SE?
Frequency response ranges from 0.7Hz to 75kHz at -3dB points at 1 watt.
How much energy does the Reference 75 SE's power supply store?
The power supply has an energy buffer of about 520 joules.
What is the power consumption of the Reference 75 SE?
Power consumption is 410 watts at rated output power, 500 watts maximum and 230 watts at idle.