I purchased a Jensen 1:1 line input and 1:1 mic input transformer to evaluate in my Soundcraft K3 console.
These are 'optional' transformers for this console series, though Jensen may not be the original brand sold by Soundcraft at the time. Nevertheless these transformers are the proper turn ratio and impedance for this circuit.
Can someone clarify if and how to properly 'load' these particular Jensen transformers in the K3 circuit? I believe the damping network Soundcraft suggests in their schematics is not properly loading to Jensen's recommendation for optimal frequency response etc. My schematic understanding is not strong enough.
The Jensen Line input is JT-11p-1 - Jensen schematic is in the link below
http://www.jensen-transformers.com/wp-content/uploads/2014/08/jt-11p-1.pdf
Soundcraft suggest installing a 3.3K for R1 and 470pf and 3300pf cap for C1/C2-
Jensen wants to see at least 10k?
The Jensen Mic input is JT-MB-CA - Jensen schematic is in the link below
http://www.jensen-transformers.com/wp-content/uploads/2014/08/jt-mb-ca.pdf
Soundcraft suggest installing a 1.8K for R6 and 4700pf cap for C5
Jensen wants to see a 3K load?
Sorry for the noob question. Just want to make sure I'm getting an accurate frequency response from these transformers
Much appreciated!!!
Jason
These are 'optional' transformers for this console series, though Jensen may not be the original brand sold by Soundcraft at the time. Nevertheless these transformers are the proper turn ratio and impedance for this circuit.
Can someone clarify if and how to properly 'load' these particular Jensen transformers in the K3 circuit? I believe the damping network Soundcraft suggests in their schematics is not properly loading to Jensen's recommendation for optimal frequency response etc. My schematic understanding is not strong enough.
The Jensen Line input is JT-11p-1 - Jensen schematic is in the link below
http://www.jensen-transformers.com/wp-content/uploads/2014/08/jt-11p-1.pdf
Soundcraft suggest installing a 3.3K for R1 and 470pf and 3300pf cap for C1/C2-
Jensen wants to see at least 10k?
The Jensen Mic input is JT-MB-CA - Jensen schematic is in the link below
http://www.jensen-transformers.com/wp-content/uploads/2014/08/jt-mb-ca.pdf
Soundcraft suggest installing a 1.8K for R6 and 4700pf cap for C5
Jensen wants to see a 3K load?
Sorry for the noob question. Just want to make sure I'm getting an accurate frequency response from these transformers
Much appreciated!!!
Jason