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Big Mouth Brass J-865 vs J-845

Posted: Sun Jan 12, 2020 6:09 pm
by BassTBone
Looking to try some used Big Mouth Brass horns available which include the J-865 and J-845 models. They're both CC horns that seem to have the same bore sizes (.750"/.787"/.827"). Does anyone know what the actual difference between the two models is? Maybe the J-865 is just a newer version?

Thanks

Re: Big Mouth Brass J-865 vs J-845

Posted: Sun Jan 12, 2020 8:14 pm
by joh_tuba

Re: Big Mouth Brass J-865 vs J-845

Posted: Mon Jan 13, 2020 7:05 am
by BassTBone
Ah I see. Same bore size through the valves I guess but the 865 has a wider bell throat and bigger boughs making it a true 6/4.

Thanks

Re: Big Mouth Brass J-865 vs J-845

Posted: Mon Jan 13, 2020 10:20 am
by The Brute Squad
BassTBone wrote:the 865 has a wider bell throat and bigger boughs making it a true 6/4.
Haven't tried the 845 but the 865 is definitely a true 6/4.