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PrimaLuna DiaLogue Premium HP- mono mode?

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I recently bought and set up a PrimaLuna DiaLogue Premium HP. (Using it with Cornwalls, Monoprice SSW-12 subwoofer, Thorens TD-147 tt, Oppo dv-981hd as a CD player and Blusound Node into a Maverick Audio Tubemagic D2).
Shame on me for not noticing it wasn't mentioned in the manual before buying, but after a couple days with this thing it strikes me I can't figure out how to switch to mono. Does anyone have experience with this model to know if this is possible? I previously used a Fisher 400 in this room and liked that it was easy to use "phono mono." I have a couple mono only systems elsewhere so this isn't a dealbreaker by any means but I am surprised since PrimaLuna amps are designed to be so adaptable in other ways.
 
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I recently bought and set up a PrimaLuna DiaLogue Premium HP. (Using it with Cornwalls, Monoprice SSW-12 subwoofer, Thorens TD-147 tt, Oppo dv-981hd as a CD player and Blusound Node into a Maverick Audio Tubemagic D2).
Shame on me for not noticing it wasn't mentioned in the manual before buying, but after a couple days with this thing it strikes me I can't figure out how to switch to mono. Does anyone have experience with this model to know if this is possible? I previously used a Fisher 400 in this room and liked that it was easy to use "phono mono." I have a couple mono only systems elsewhere so this isn't a dealbreaker by any means but I am surprised since PrimaLuna amps are designed to be so adaptable in other ways.
Is the model a Power Amp (pic) or Integrated?

IMG_2440.jpeg
 
Isn't a mono recording just the exact same audio information in the left and right channels. If you have a mono recording, not sure why you have to have a mono function on the amp. Maybe I just don't know what I don't know.
 
I recently bought and set up a PrimaLuna DiaLogue Premium HP. (Using it with Cornwalls, Monoprice SSW-12 subwoofer, Thorens TD-147 tt, Oppo dv-981hd as a CD player and Blusound Node into a Maverick Audio Tubemagic D2).
Shame on me for not noticing it wasn't mentioned in the manual before buying, but after a couple days with this thing it strikes me I can't figure out how to switch to mono. Does anyone have experience with this model to know if this is possible? I previously used a Fisher 400 in this room and liked that it was easy to use "phono mono." I have a couple mono only systems elsewhere so this isn't a dealbreaker by any means but I am surprised since PrimaLuna amps are designed to be so adaptable in other ways.

I believe the HP integrated did not have the mono switch. The newer EVO series integrated amps seem to have the stereo/mono switch. The main advantage of going mono is to get the 2 ohm tap for speaker connections. If you have a speaker that has a dip in impedance below 4 ohms, the 2 ohm tap does help sonically. On the amps that have the mono switch a person would need a 2nd amp to be able to do stereo.
 
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