Here's one for the Colin Richardson fans. We've got 3 different 421's in the studio:
Modern 421 II
Vintage 1970's 421 U4
Blackfire 521
All dead centre of a Celestion Greenback in my Mesa Rectifier cab.
I've also thrown a 57 in there as a common reference.
Personally I don't think there's much difference between the 521 and the 421 U4, but the 421 II really doesn't fare too well on guitar cabs compared to the old ones.
Modern 421 II
Vintage 1970's 421 U4
Blackfire 521
All dead centre of a Celestion Greenback in my Mesa Rectifier cab.
I've also thrown a 57 in there as a common reference.
Personally I don't think there's much difference between the 521 and the 421 U4, but the 421 II really doesn't fare too well on guitar cabs compared to the old ones.
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