4k / 6k / 8k EQ types

[amillar]

Hi,
They published my response to that article (which I agree is very good) shortly afterwards (maybe in the next issue?), I think I've got a copy somewhere but if anyone else can find it and stick it here it would be good. I think it's titled "EQ Empirically: A response".
Cheers,
Andy

[Clip6]

Hey Andy. Your reply is already uploaded. Image #3. Thanks

[Showcase]

I like the 02 Brown eq best, Idk what difference there is to 242 in circuit etc except the filter switch on/off

There is a pretty big difference when using Bell in HF LF where the 242 seems to narrow the q the more boost? 242 sounds spikey and not as musical as 02 to me, anyone have information about what differs, just read some fragments here and there

[amillar]

Hey Andy. Your reply is already uploaded. Image #3. Thanks

Whoops...I need a holiday! 

[amillar]

I like the 02 Brown eq best, Idk what difference there is to 242 in circuit etc except the filter switch on/off

There is a pretty big difference when using Bell in HF LF where the 242 seems to narrow the q the more boost? 242 sounds spikey and not as musical as 02 to me, anyone have information about what differs, just read some fragments here and there

The filters are quite different, but the changes to the main eq are a bit subtle. Lots of people preferred the 242, personally I agree with you - I prefer the 02.
When I get five minutes I'll add a detail description of the differences...

Cheers,

Andy

[amillar]

Ok, I've been slightly foiled by the fact that I can't see what the Q of the bell on the 242 is (because unlike the 02 it's adjustable). Other than that:

HF/LF
242 has greater boost and cut than the 02 (18dB rather than 15dB IIRC?), and possibly a different Q in bell? There will be very, very subtle differences in the shapes of the 242 compared to the 02 at very high and very low frequencies.

HMF
02 and 242 are identical.

LMF
242 has slightly wider and shifted frequency range compared to the 02. The 02 is 193Hz to 2080Hz, 242 is 135Hz to 2010Hz.

Low Cut Filter
242 is more like the 132 than it is the 02. It is 18db/octave rather than 12db/octave (i.e. steeper), and has the "switch out" function which is definitely a Good Thing!! The shape of the roll-off is subtly different to the 132, I'd need to run a simulation to find out if it's looser or tighter.

High Cut Filter
Again, the 242 is more like the 132 with the 18db/octave roll off and "switch out". It operates at very slightly higher frequencies than the 132.


So overall they're less different than I remembered them being, the real difference is the extra boost on HF and LF, and the better "cut" filters. I think the reason I didn't like the 242s was because of the JFETs in the HF and LF stages, but whether I could really hear them or just imagined I could (because I knew that they were there) I don't know.

This has reminded me that I was puzzled at the time that people liked the 242s so much given the subtlety of the changes - it may well actually have been because having the "filter out" switches made the whole channel strip sound better.

Cheers,

Andy

[waltzingbear]

to reference the original articles, here is the link to a site where Studio Sound is archived in pdf form
http://www.americanradiohistory.com/hd2/IDX-Audio/Archive-Studio-Sound-IDX/search.cgi?zoom_sort=0&zoom_xml=0&zoom_query=EQ+Empirically&zoom_per_page=10

Cheers
Alan

[Clip6]

Thanks Alan. That's a great source.

[Showcase]

I could up a compare between the 2 eqs, if the 242 eq could be altered alot, maybe my console had some strange calibration so would be nice to know, but over here it differs alot in HF and LF using Bell, 242 seems to be very spickey and squashy boosting in bell in HF and resonates like crazy in the LF so I suspect it has a narrower q boosting higher there aswell

never heard any difference with switch on/off on the filters, really??

[amillar]

I wonder if somebody's tweaked the Q (RV1 and RV4) on your HF and LF bells up too much? When they're set right the mid band of the bell should have the same gain as the flat part of the shelf.

If they're VERY early 242s (1984) I hope the test sticker doesn't say AM on it 

Re the lack of switches on the '02: it's not a ridiculous amount it rolls off, but it does start having an effect at 20Hz and 20kHz, I've just read that I pointed this out in that Studio Sound article!

Cheers,

Andy

[Clip6]

Hey Andy.

I'm going to throw this out there.......you ready?

You want to design us a new eq. card for the modern era.

Yea it's crazy talk....crazy.

It would be so awesome to have a new take on the eq and compressor cards in 2018.

Maybe start a thread talking about these ideas then maybe someone will take those ideas to the next stage. The power of the internet, you never know.

I'll stop typing now........

[Spanzor]

Anyone know where to get some of these 9001 cards from today?  I'm looking for a few

[Clip6]

Wish they could fix all the pics files that are missing in these threads.

Hey Andy. Hope to hear from you soon.....we miss you!