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Old 22nd February 2011, 01:17 PM   #1
diyAudio Member
Join Date: Jan 2010
Location: Germany
Default Aguilar DB-900 question

Dear wise folks,

I collect a schematic from the wide space of the net for the aguilar DB900 active DI-box. Orginally I searched for the VTDB-2B schematic but dont find it. The Aguilar should be someting "like" the Demeter VTDB-2B.
So far so god:
I do not understand the top triode system (V1B ) of the schematic. Its looks like a cascode but the decoupling to the transformer is at the CF (V1A) at the buttom. So I think its something like a CCS for the V1A system?

Can someone of you clever guys enlight me please???

Thanks a lot
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