
Mosfet power amp question
Moderators: greatmutah, GuitarBilly
Mosfet power amp question
Does anyone know if Mosfet power amps require a load like a tube amp, or if they are akin to a solid state amp and can be run without a load on the power section. I have a GK 2100 SEL (digital preamp, mosfet power section) and I am running the "send" signal from the effects loop to a tube power amp because my Marshall 9100 tube power amp sounds much better than the SEL's mosfet power section. At the moment, I have a dummy load on each of the speaker outputs (it's a stereo amp) just in case, but I figured someone here smarter than me would know if I need the dummy load or not. 

Amps: 5150 (w/bias mod), 5150 II, PRS MT-15, FJA PV XXX, Framus Dragon, FJA PV Penta, PV Rockmaster-->Marshall 9100, PV Ultra 120
Cabs: 3 Marshall 1960B, Laney GH412, Avatar 2x15, PV XXX 4x12, Bogner OS 2x12.
Cabs: 3 Marshall 1960B, Laney GH412, Avatar 2x15, PV XXX 4x12, Bogner OS 2x12.
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Re: Mosfet power amp question
You should not need a load for that.
If the master volume controls the power amp volume turn it down to zero just as an extra precaution.
But it should fine either way.
If the master volume controls the power amp volume turn it down to zero just as an extra precaution.
But it should fine either way.
Guitars:
'78 Les Paul Pro / '89 SG Special/ '04 Gibson Les Paul Classic 3 pickup / Jackson Star/ Endres Tele / Fernandes Rhoads/ ''74 Hohner MIJ strat/ 2 Partscasters
Amps:
Depends on when you ask. I got tired of constantly updating this section lol
Cabs
Marshall 1960A w V30s/ Seismic 2x12 w Redback and V30.
Questions about the forum: please PM here. Can't access the forum? Need a password reset? Please access our Facebook page https://www.facebook.com/GuitarGearForumOfficial and message me through it.
'78 Les Paul Pro / '89 SG Special/ '04 Gibson Les Paul Classic 3 pickup / Jackson Star/ Endres Tele / Fernandes Rhoads/ ''74 Hohner MIJ strat/ 2 Partscasters
Amps:
Depends on when you ask. I got tired of constantly updating this section lol
Cabs
Marshall 1960A w V30s/ Seismic 2x12 w Redback and V30.
Questions about the forum: please PM here. Can't access the forum? Need a password reset? Please access our Facebook page https://www.facebook.com/GuitarGearForumOfficial and message me through it.
Re: Mosfet power amp question
Thanks Billy! 

Amps: 5150 (w/bias mod), 5150 II, PRS MT-15, FJA PV XXX, Framus Dragon, FJA PV Penta, PV Rockmaster-->Marshall 9100, PV Ultra 120
Cabs: 3 Marshall 1960B, Laney GH412, Avatar 2x15, PV XXX 4x12, Bogner OS 2x12.
Cabs: 3 Marshall 1960B, Laney GH412, Avatar 2x15, PV XXX 4x12, Bogner OS 2x12.