Two multi equalization boards for phono input for XSP 11 Preamplifier.
There are 8 equalization curves that can be set from the front panel of the preamplifier when the MM or MC inputs are selected.
The use of these cards also requires the presence of the two optional Phono MM / MC cards inside the XSP 11 preamplifier.
1 - EMI HMV LP - 500R-16
2 - COLUMBIA LP - 500C-16
3 - DECCA 33 - ffrr LP - 500C-10.5
4 - NAB - 500B-16
5 - AES - 400N-12
6 - COLUMBIA 78 - 300N-16
7 - American 78 - 250N-6
8 - European 78 - 250N-0
Linearity error of the curves + -0.5 dB.
Size: 150 x 42 * 15
The notation eg. "500R-16" is the standard for uniquely defining an equalization curve with respect to another. For example, the RIAA curve is defined as 500R-13.7
Follow it this link for explanations.