Has anyone built a Penfold? - 8va?

[Rob Hukin]

>Third, the 12dB/8va filter isn't really too impressive... I'm planning a
>couple of replacement VCF's (including the CA3080-based one kicking around
>my website somewhere, as a 18dB/8va LPF... I think I can turn that into a
>24dB/8va LPF by simply adding another stage to it. Nice simple little
>circuit...

I've seen this '8va' term a couple of times this morning - is this some new
abbreviation for octave? What's wrong with 'oct'. There's me thinking
'what's all this 8volt-amps business!?'

rob.