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help vandersteen quatro & bat amps

i own a pair of bat vk55 monoblocks and a pair of vandersteen quatros and am at a loss on how to configure the high pass filters on the quatros

it is mentioned that input impedence of a vk55 is 215kOhm whereas for the mono block is different ...

anyone has BAT amps with quatros ...
art80342
sidssp
1,077 posts
 
When configured as mono-block, its input impedance is cut in half.
art80342 OP
65 posts
 
originally impedence of vk55 stereo is 215K so monoblock is 107K??

accordingly, how shld the high pass filter of the quatro be configured?
art80342 OP
65 posts
 
Nt comments?
sidssp
1,077 posts
 
Yes. That is correct. You can set the high pass filter at 100K. You can also try
75K and 150K setting and see which one sounds best. Impedance on a spec
sheet is typical value which may not be the value at 100Hz.

If you want to be precise, you will need a multimeter, a dummy load, and a test
CD with 100Hz and 1000Hz signals; and pick the closest setting which gives
3db lower output at 100Hz than at 1000Hz.
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