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 on: August 26, 2021, 12:33:34 AM 
Started by Ernie Black - Last post by Ernie Black
We're pleased to report that the forum was successfully migrated to its new home this evening and was only in maintenance for about 25 minutes.

Thanks for your patience!


We will be upgrading the PSW forums server, commencing Tuesday October 23 at 1 am. The purpose of this upgrade is to increase server memory, RAM, and output. Over the past day, we have experienced temporary outage as the server ran out of available memory; this also occurred briefly in September. We will be adding 100 GB of memory, plus bumping the RAM from 12 to 16 GB and increasing output to 6000 Mb/s. The forums may be unavailable for up to three hours (although we expect a shorter timeframe).

Thank you.

 on: August 26, 2021, 12:33:09 AM 
Started by Ernie Black - Last post by Ernie Black
We're pleased to report that the forum was successfully migrated to its new home this evening and was only in maintenance for about 25 minutes.

Thanks for your patience!

 on: August 25, 2021, 11:19:06 AM 
Started by Ernie Black - Last post by Ernie Black
Commencing at midnight tonight (August 26, 12:01 am EDT), we will be implementing a server upgrade to improve performance and address server requirements. We expect a a service interruption of 1 - 2 hours and are targeting this time slot as the most inactive time for most of our members. As the forums are globally accessed, we cannot make the hours convenient for everyone, but this seems to be the best time. Remember, this will be midnight between Wednesday and Thursday, with minimal downtime between midnight to 2am.

 on: August 22, 2021, 04:59:33 PM 
Started by PaulGasztold - Last post by Scully Fan
Hello Paul

What position do you have the filter switched to?

The reason why I ask is that the built-in high frequency tilt is often mitigated by having the HPF switched completely out when working the mic that close and taking advantage of the proximity effect. You still have intelligibility with the benefit of a bit of low end girth.

Other than that, a foam wind screen and peak limiting usually soften enough of the stridence to make things workable.

Good luck!

 on: August 22, 2021, 10:25:14 AM 
Started by PaulGasztold - Last post by PaulGasztold
I am using an AKG 535.  I want to reduce the high frequencies above 7k by about -3db.

To remove the exaggerated high end of this mic to flatten the upper frequency response ( or cut everything off about 6 or 7k ).

- BEFORE signal reaches the mixer, preamp or a/d converter
- that maintains high quality signal, albeit darker

I am imagining passive solutions such as:

- adding lots of foam
- a passive device or filter I can plug XLR into? 
- an inexpensive mic mod that any experienced local tech can do

Application is vocal 1-3 inches from mic.  Normally I go into Logic and monitor post eq which is a fine solution.  But sometimes I do live streams or zoom online and I don't have control over signal.
Does anyone have a suggestion other than changing the mic?

Thank you for considering



 on: August 20, 2021, 04:11:03 PM 
Started by Donn - Last post by David Satz
E = export = XLR
C = continental = Tuchel (back then)
L = Lemo for the RF (Austrian national broadcasting network)

which could be combined with:
B = bass control (low-cut switch)

so EB = microphone with XLR output and low-cut switch

452 = 451 with one resistor different, so that current draw at 48 Volts would be somewhat reduced (it was about 5.5 mA for the C 451, back when the DIN standard was still 2 mA maximum). However, as a result the 452 requires 48 Volt powering, whereas the 451 could accept 9 - 52 Volts. And even the 452 required ca. 3 mA. Back then, AKG and Schoeps' Colette system were like "outlaws" until the DIN standard was revised to allow a maximum of 10 mA/microphone at 48 Volts.

 on: August 19, 2021, 05:10:55 PM 
Started by Donn - Last post by gtoledo3
Point taken Klaus, and thanks David, Brad.

I was looking into something else today and happened to notice a document that clarifies something above:


So, correcting/amplifying a point above; E stands for XLR connector, 100% certainty. 

At some point after the initial C451, the AKG catalogs begin to list AKG C451C as well as C451E, in addition to CB, EB, and 452 variants. The catalog description states that C in this position (post numbering) is a DIN connection, E is XLR.

I may put all of the substantiation of the points mentioned earlier in the thread, in a dropbox folder or on imgur at some point.

edit: Oh, I now see the attachment field I failed to notice earlier. Many points were covered, Ill try to post some of the more relevant stuff in the near future. And it is nice to see even earlier examples David!

 on: August 19, 2021, 09:15:40 AM 
Started by Donn - Last post by soapfoot
Great information here! Thanks George (and everyone).

 on: August 16, 2021, 07:17:22 PM 
Started by Donn - Last post by klaus
Very informative, David, Thanks!

 on: August 16, 2021, 05:10:47 PM 
Started by Donn - Last post by David Satz
From all this I think it's clear that "Comb." refers to a package with a set price for a microphone plus accessories. What the representative told you, Klaus, must have been wrong as you seem to have suspected. For example the C 451 "Comb." includes only one capsule, which doesn't have a switchable pattern. And gtoledo3, thank you for your very accurate information.

Attached are parts of AKG's price lists from 1963 and 1968 respectively showing the use of "Comb." which is explicitly spelled out in the earlier example. This 1963 list also features condenser microphones (C 12, C 24, C 28 A - 29 A - 30 A, C 260) with no "Comb."s among them--but curiously, it lists a "C 28/29/30 A Set" (see attached, third image).

--best regards

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