Input stage curves.

0 to 200% sweeps.

Ever want to know what the input stages are doing? The input stages not only effect the tonal quality but more importantly change the Key response to the compressor.

digital input

30ips

30ipsh

irona

ironb

ironc

irond

irong

tube1

tube2

1951

1967

1970

1972

1980

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EQ - & +15db “Q” Sweeps

1951 HFS @ 5k

1967 HFS @ 5k

1970 HFS @ 5k

1972 HFS @ 5k

1980 HFS @ 5k

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1951 Peak @ 5k

1967 Peak @ 5k

1970 Peak @ 5k

1972 Peak @ 5k

1980 Peak @ 5k

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1951 Peak @ 100hz

1967 Peak @ 100hz

1970 Peak @ 100hz

1972 Peak @ 100hz

1980 Peak @ 100hz

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1951 LFS @ 100k

1967 LFS @ 100k

1970 LFS @ 100k

1972 LFS @ 100k

1980 LFS @ 100k