416T to 416P conversion

HI
I built a P to T that I've stuck inside my basket.
Adam



On Feb 24, 8:30 am, Klay Anderson <k....TakeThisOut@klay.com> wrote:
> In article <1172257987.892958.320....TakeThisOut@a75g2000cwd.googlegroups.com>,
>
> "carlmart" <carlm....TakeThisOut@centroin.com.br> wrote:
> > 1) Convert the T power onto P power. Has anyone done that? There might
> > be a small pcb sold by Sennheiser which should allow that mod. Is
> > there?
>
> Sennheiser can probably do it.
>
>
>
> > 2) Use one of those circuits I saw some weeks ago here, that convert
> > P48 onto T/AB power. The one using no transformer might be easy to fit
> > onto the XLRs, probably.
>
> These work well:
>
> <http://professionalsound.com/Catalog/adap.htm>
>
> Scroll to last one.
>
> --
> Thanks!
>
> --
> Regards,
>
> Mr. Klay Anderson, D.A.,Q.B.E.
> Klay Anderson Audio, Inc.http://www.klay.com
 >> Stay informed about: 416T to 416P conversion 

> These work well:
>
> <http://professionalsound.com/Catalog/adap.htm>
>
> Scroll to last one.

Thanks, Klay. Do you stock them? Price?
 >> Stay informed about: 416T to 416P conversion 

In article <1172257987.892958.320980.RemoveThis@a75g2000cwd.googlegroups.com>,
"carlmart" <carlmart.RemoveThis@centroin.com.br> wrote:

> 1) Convert the T power onto P power. Has anyone done that? There might
> be a small pcb sold by Sennheiser which should allow that mod. Is
> there?

Sennheiser can probably do it.
>
> 2) Use one of those circuits I saw some weeks ago here, that convert
> P48 onto T/AB power. The one using no transformer might be easy to fit
> onto the XLRs, probably.

These work well:

<http://professionalsound.com/Catalog/adap.htm>

Scroll to last one.

--
Thanks!

--
Regards,

Mr. Klay Anderson, D.A.,Q.B.E.
Klay Anderson Audio, Inc.
http://www.klay.com
 >> Stay informed about: 416T to 416P conversion 

On 23 Feb, 19:13, "carlmart" <carlm... RemoveThis @centroin.com.br> wrote:
> I have two Sennheisers MKH416: one is T power, the other Phantom.
>
> As it's becoming more difficult finding T power on situations, I might
> do two things:
>
> 1) Convert the T power onto P power. Has anyone done that? There might
> be a small pcb sold by Sennheiser which should allow that mod. Is
> there?
>
> 2) Use one of those circuits I saw some weeks ago here, that convert
> P48 onto T/AB power. The one using no transformer might be easy to fit
> onto the XLRs, probably.
>
> Advice? Suggestions?


I've had both 416 and 816 mics converted to 48volt. It involved a new
capsule and printed circuit board. It was done by Senheisser in London
and cost about 400 uk pounds each.
Regards,
Malcolm Davies. A.m.p.s. (Production Sound Mixer.)
 >> Stay informed about: 416T to 416P conversion 

> I've had both 416 and 816 mics converted to 48volt. It involved a new
> capsule and printed circuit board. It was done by Senheisser in London
> and cost about 400 uk pounds each.

Wow, expensive!

I wonder why they had to change the capsule. If they did it could
explain the difference some people found between both versions,
favouring the T version. I never made a direct comparison though.

The PSC tube alternative, which is very affordable, has only one thing
against it: you can't use it inside a 416's Rycote, it's too long. And
if the spec length is right, it's also long to put it on the pistol
grip. It would have to go on the mixer.

I wonder what's inside that tube, that may not be put inside one or
two XLR connectors, like one of the later Switchcraft types.

If you remember there was recent thread on this forum showing 48PH to
12T circuits for such a mod, in versions with and without transformer.
The parts were not that many. I think I will build the transformer-
less circuit on a test pcb and see if it works.

Has anyone built any of those circuits?
 >> Stay informed about: 416T to 416P conversion 

On Feb 23, 11:13 am, "carlmart" <carlm... RemoveThis @centroin.com.br> wrote:
> I have two Sennheisers MKH416: one is T power, the other Phantom.
>
> As it's becoming more difficult finding T power on situations, I might
> do two things:
>
> 1) Convert the T power onto P power. Has anyone done that? There might
> be a small pcb sold by Sennheiser which should allow that mod. Is
> there?
>
> 2) Use one of those circuits I saw some weeks ago here, that convert
> P48 onto T/AB power. The one using no transformer might be easy to fit
> onto the XLRs, probably.
>
> Advice? Suggestions?

I have a Sennheiser 406 that I bought a T power to 48 P converter
barrel
just last year at Location sound in LA for about $40, It works great.

Fernando
 >> Stay informed about: 416T to 416P conversion 

On Feb 24, 7:16 am, "carlmart" <carlm... RemoveThis @centroin.com.br> wrote:

> The PSC tube alternative, which is very affordable, has only one thing
> against it: you can't use it inside a 416's Rycote, it's too long. And
> if the spec length is right, it's also long to put it on the pistol
> grip. It would have to go on the mixer.

one other thing about the PSC tube, at least with the one i have
(maybe it has been updated?) there is no hole on the male end to lock
in the XLR. i was going to have my dad cut one in in his machine shop
just to keep an xlr from yanking accidentally.
 >> Stay informed about: 416T to 416P conversion 

> one other thing about the PSC tube, at least with the one i have
> (maybe it has been updated?) there is no hole on the male end to lock
> in the XLR. i was going to have my dad cut one in in his machine shop
> just to keep an xlr from yanking accidentally.

Nice touch. You should go ahead. XLRs should lock. I hate those mixers
that don't allow that.

To plug the PSC tube I might have to use the longer Rycote blimp, the
one for the MKH70.

I was talking with a friend of mine, and he suggested a slight
improvement on this circuit:

http://www.uneeda-audio.com/phantom/p48t121.jpg

Adding a transistor to the zener regulator things can be much
improved. But it will become more difficult to fit all inside a XLR
connector, as I was considering to keep things short. Then perhaps a
small metal box, velcroed to the outside of the blimp will do the job
and stay small.
 >> Stay informed about: 416T to 416P conversion 

Re: 416T to 416P conversion

Group: rec.arts.movies.production.sound Date: Sat, Feb 24, 2007, 2:46pm
(EST-3) From: carlmart.TakeThisOut@centroin.com.br (carlmart)
one other thing about the PSC tube, at least with the one i have (maybe
it has been updated?) there is no hole on the male end to lock in the
XLR. i was going to have my dad cut one in in his machine shop just to
keep an xlr from yanking accidentally.
Nice touch. You should go ahead. XLRs should lock. I hate those mixers
that don't allow that.


To plug the PSC tube I might have to use the longer Rycote blimp, the
one for the MKH70.<<<<<

No you don't need to do that. Get a short 6 inch xlr-m to xlr-f cable.
Attach the short cable to the mixer then the T to P barrel then your
regular mic cable. As long as the adapter is in series with the mic &
the input you're ok.

Eric
 >> Stay informed about: 416T to 416P conversion 

> No you don't need to do that. Get a short 6 inch xlr-m to xlr-f cable.
> Attach the short cable to the mixer then the T to P barrel then your
> regular mic cable. As long as the adapter is in series with the mic &
> the input you're ok.

Unfortunately I may not be the one handling this stuff. So it may
cause some problems and some assistant may plug things wrong or think
"why do I need this tube?"

Being inside the blimp or on a small box almost permanently velcroed
to it would prevent any accidents or confusion.

In fact, when I bought this 416T in Argentina, the rep didn't have the
short Sennheiser Zeppelin, so he sold me the MKH70 type. I wonder if
that blimp is made differently now, but back then you had to screw-in
the back. The Rycote is much better, with its bayonet-type back. But I
could simply continue to use that older Zeppelin with the 416 + PSC
tube, as it would fit fine then.
 >> Stay informed about: 416T to 416P conversion 

Except as the whole thing lives in a blimp, it could start to get
loose between the mic and barrel adapter! It is better used down on
your mixer or with a short cable and tucked away somewhere that won't
bounce a lot.

The above is information from a true life experience.

cleve
 >> Stay informed about: 416T to 416P conversion 

Eric Toline wrote:

> No you don't need to do that. Get a short 6 inch xlr-m to xlr-f cable.
> Attach the short cable to the mixer then the T to P barrel then your
> regular mic cable. As long as the adapter is in series with the mic &
> the input you're ok.

I wonder: has anyone ever tried to squeeze the guts of one of the PSC
barrels INTO a 416T tube? There's a bit of room, maybe, around the
circuit board. The parts are cheap enough that doing a permanent
conversion of a 416T to P48 might be worth the effort. If the
transformer could be made to fit, the rest ought to be a snap.

Inquiring minds want to know...

--
John Gilman
eshrdlu RemoveThis @xxxReMoVexxxmyway.com
 >> Stay informed about: 416T to 416P conversion 

I know guy from ozz did the trick inside the 2 parts of xlr
squizz the barrel inside the zeppelin or put it on the handle as you
incise the weight and loosing muscle power for nothing
the additional 100 gram of the barrel become 1 kg in the end of the day
:-)
short lead from the mixer and placing the barrel then the boom cable is
much better solution if you don't like place directly

--
Oleg Kaizerman(gebe) Hollyland
"John Gilman" <see-address RemoveThis @in.sig> wrote in message
news:53c9a$45e1c62c$d14ec061$717@news.flashnewsgroups.com...
> Eric Toline wrote:
>
>> No you don't need to do that. Get a short 6 inch xlr-m to xlr-f cable.
>> Attach the short cable to the mixer then the T to P barrel then your
>> regular mic cable. As long as the adapter is in series with the mic &
>> the input you're ok.
>
> I wonder: has anyone ever tried to squeeze the guts of one of the PSC
> barrels INTO a 416T tube? There's a bit of room, maybe, around the
> circuit board. The parts are cheap enough that doing a permanent
> conversion of a 416T to P48 might be worth the effort. If the
> transformer could be made to fit, the rest ought to be a snap.
>
> Inquiring minds want to know...
>
> --
> John Gilman
> eshrdlu RemoveThis @xxxReMoVexxxmyway.com
>
>
 >> Stay informed about: 416T to 416P conversion