How much power does the Western Electric WE 91E deliver per channel?
The WE 91E delivers 20 watts per channel in both 4 Ω and 8 Ω at 10% THD.
What inputs are available on the WE 91E?
The amplifier features six audio inputs, including a phono input suitable for both MM and MC cartridges, and Bluetooth connectivity.
How is the bias of the 300B tubes set?
The WE 91E uses microprocessors that automatically adjust the bias of the 300B tubes when the amplifier is turned on.
Is it possible to adapt the output transformer to different speaker impedances?
Yes, the standard 8 Ω output transformer can be replaced with optional 4 Ω or 16 Ω transformers to better match the speaker impedance.
What Bluetooth codecs are supported by the WE 91E?
The amplifier supports Bluetooth v4.2 and codecs such as SBC, MP3, AAC, FastStream and aptX.
How is the volume controlled on the WE 91E?
Volume is controlled via a stepwise logarithmic attenuator with discrete resistors in a ladder configuration, controllable with the included remote control.
What tubes are used in the WE 91E?
The amplifier uses a matched pair of Western Electric 300B tubes and two ECC81 tubes for the preamp section.
Is there a headphone jack on the WE 91E?
Yes, the amplifier is equipped with a headphone jack for personal listening.
How is the phono input adjusted for MM or MC cartridges?
The phono input can be adjusted via a switch on the rear panel to switch between MM and MC compatibility.
