what i’ve learned at school is -3dB at the center frequency and a -6/dB per octave slope for first order filter. So at twice the center frequency it should be -9dB…

But it seems, that these values are dependant of the center frequency for [onepole~] implementation…

Copy **all** of the following text.Then, in Max, select *New From Clipboard*.

```
----------begin_max5_patcher----------
1219.3oc6ZssiahCF95jmBqndQaUJK9Lzq18t9NTUshPbxPWBPAh1YlpNO6K
XCSxLSvwiShGR0JEwAiw7++4u+S14mSmLaQ9shpYfOC9JXxjeNcxDYSsMLo6
9Iy1DcabZTkrayhy2rQjUOat5Y0haqUsusNe0JveBPfOBVE2+7hn53aRxV+2
kh3Z02AyB77mCvgv1SAxaP9d9fu08NqxypqRtWz1cHp4wplSVJ+P4K99mfn9
wOa6ljrTQsT3f6M.YQajCvr+pLIJcutmustu+8ibQonpQmhpSxyFTP86N.9V
6K8qoSaOL+bgZZQLDlpDjVv.v8s.wBOO.1YT00pwD+PoF+np9pUXxalBmI92
FA3E5aZdzxEQYq0n0AT47LhvZOwrQsgmE0tu+plpuqPnDvYREvJKfUo4MeCs
JubJmBUj7PKTdVP+3uXcbdZdoZj88fADLjLGryPFt2.eRPEZHnpQgiZX8mBl
M.SJpNe4BcHISpmDt5DzFjjcY4Q1gGaDUUQqEu.PdGz.zPYTgQdzlY+fWGZP
OHZfdaQilAegnTilSYRSIDBKMrNh6DnGMjBC3uT8oGzp5IAEcgAUR1IZNMD8
4GaEk2AzRh5gREIhJONLIRCTFNFYRCEh9K2qARXPrhcIIBPeqoWL+2rP0CwH
78.68SCHv4DoZyn6xLyFdAjqkWbSxxkhrQrG3zbs40zEMWcxJWvzfwngyPvw
xjphzn6zQbBTNTBjDGRfdhyggjQYToUIo0hx0kQE27fNuGLo2CLT5JE04QEs
OB7j58Nb9HAGTi3CoQoIUxPHOlZllK56aaTmcA1TZ2SvsJQsp0tjMm29CNu6
BB0G4wQMNHXx.kbLgKuhtevyWd3blun31hRPURF38HulhywdPBjFRZt7cqfM
GeOzC7GMIH05C+CeP6jlp9DnxbFasKeRvXL8xAfuO0jaiNKYRWpAA6btYElb
gSMPwruL0t0TbkT4wAljo4gqW+7Tv9krbriCCLUMFpSbtMv.8+KgcOjTQnrp
DVB6JxGSgH5eh1T7PadzZgEtZYwjNfCsxNiOZcyL.17Q.xSKlH88.Ygl3+8v
XB9500KLvWYoDZuqW+qeWuHLR45kasqW7uYqd3wCWgw6VjcUF3uVHiMNVZn2
t.U87Nk4mUApv3e+BTg5nVPeqCTg8GsNkE2uLJ9As4CqVmPeU5Kz9iGr1V8q
rwEa+nxyDE4oB4Lou2wS5naoJBI1rqTW34xpj0YMuz4jnGeWbK3fNJ3HQEXn
ZA.sZyrgWcfiwbGDFdpbG90J043XiJ5X2t5aC0g4drQJcyRSxd9eaDoF119S
Arp7skw8CX2NTC1oiKEU0IYx+4E60m1U6cuNsa4u6wfMIKKxSxp6jgAl8Nqh
DczIRsaZfCEIlAhjakHrIhDa7IRsnDzYhD2.IpMYKWhR9lHSX2JSXSjofwGN
Q7GeLbham6HlvwaWgYWJSFgSzQHN4VOlPi33iv.KRA2ctwIAlfSguNbhwIx0
KkHyLmqVt8CeGE9XOchGDGmBHzzYbGZsZRDomI3iBVnb65coPEZrPgclP8rB
FFGHE07oOt6r83iQjxjZBCcqHENBwI02idrhvbadNLSl8XtEnXFUr5oD0q4l
eM8+.CyRzH.
-----------end_max5_patcher-----------
```

]]>