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Gear / Technical Help => Cables => Topic started by: gmm6797 on October 07, 2007, 11:01:17 PM

Title: Need a cable built
Post by: gmm6797 on October 07, 2007, 11:01:17 PM
I was working with 2 different people on making this cable, but nothing seems to be working out.

I need the following built (Ford) tough for stealthing purposes and longevity.

BNC F (stereo) (should be as small as possible and/or right angle)
to
a 4'6" cable (must be thin but sturdy and preferably not black to make stealthing more hidden)
to
straight 1/8" stereo connector (for an R-09)

I believe this should be pretty simple, but with the Schoeps BNC connectors on the pre-amp side, things seem to be tough.

Thanks

PS- was not sure if this should be here in Cables or in the Yard Sale, please move if I am wrong
Title: Re: Need a cable built
Post by: Brian Skalinder on October 08, 2007, 01:38:48 PM
I'm confused by the reference to "Schoeps BNC".  To what will the BNC-female attach?

This is the BNC-female connector with which I'm familiar...it's not a Schoeps-specific part:

(http://www.fab-corp.com/files/d_699.jpg)
Title: Re: Need a cable built
Post by: dgodwin on October 08, 2007, 06:12:31 PM
I'm confused by the reference to "Schoeps BNC".  To what will the BNC-female attach?

This is the BNC-female connector with which I'm familiar...it's not a Schoeps-specific part:

(http://www.fab-corp.com/files/d_699.jpg)

I'm pretty sure Greg is just referencing that this would be an easy job if the pre-amp had a different type of connector for output.  That is all. 


I believe this should be pretty simple, but with the Schoeps BNC connectors on the pre-amp side, things seem to be tough.


Anyways, bump for Greg.  I know we've got some good quality cable makers on the board, but so far, no one's been able to help him. 
Title: Re: Need a cable built
Post by: gmm6797 on October 08, 2007, 09:50:39 PM
Sorry for any confusion.

The connector that comes out of the VMS is a standard BNC connector (like the picture shows) and that is the tough part of this cable, as I dont think anything else out there uses the BNC connector any more.

I had a cable that Klay Anderson built for me that died/broke and he cant make them any more, so I am kind of stuck with the resources here (and I dont mean stuck in a bad way) as I dont know where else to turn.
Title: Re: Need a cable built
Post by: Brian Skalinder on October 08, 2007, 10:15:34 PM
Try contacting Ed at KindKables directly via email or phone (http://taperssection.com/index.php/topic,91587.msg1219023.html#msg1219023).  He made me a nice right-angle BNC > right-angle BNC cable.
Title: Re: Need a cable built
Post by: gmm6797 on October 08, 2007, 10:29:29 PM
Thanks I just sent him an PM, I would rather make initial contact via the board, then talk in person, seems to set a comfort level 1st :)
Title: Re: Need a cable built
Post by: gmm6797 on October 08, 2007, 10:30:12 PM
Try contacting Ed at KindKables directly via email or phone (http://taperssection.com/index.php/topic,91587.msg1219023.html#msg1219023).  He made me a nice right-angle BNC > right-angle BNC cable.

What for?  Just curious... and have any pix?  +T
Title: Re: Need a cable built
Post by: Brian Skalinder on October 08, 2007, 10:42:28 PM
What for?  Just curious... and have any pix?  +T

Word Clock sync.  To clarify:  right-angle BNC-male > right-angle BNC-male.  Low res mobile pic attached (can't find my digi cam battery charger).

You sure you want a BNC-female?  I've only ever seen panel-mount BNC-female on gear, while I've always seen BNC-male cables.  Not saying you're not right, just curious as I can't find any specs on the VMS online.
Title: Re: Need a cable built
Post by: gmm6797 on October 09, 2007, 12:11:12 AM
Here is a pix of the back of a VMS02:
(http://www.decibel.ch/images/products/schoeps/VMS02rs.gif)
I know it is not the best, but it shows the BNC connectors

or this older pix of my original VMS
Title: Re: Need a cable built
Post by: Brian Skalinder on October 09, 2007, 12:18:20 AM
Here is a pix of the back of a VMS02:

Those look like BNC-female on the VMS.  Looks to me like you need a (2) mono BNC-male > stereo 1/8" cable.  My personal preference would be for a right-angle stereo 1/8", but I've not used the R-09 so don't know if/how that would work.  Definitely give Ed a call or email, I bet he can make it.
Title: Re: Need a cable built
Post by: gmm6797 on October 09, 2007, 01:00:34 AM
Those look like BNC-female on the VMS. 

Yes

Looks to me like you need a (2) mono BNC-male > stereo 1/8" cable

Correct, in my head that is what I put in the original post, but good catch, yea, I will need 2 mono going to the 1/8" male connector

My personal preference would be for a right-angle stereo 1/8", but I've not used the R-09 so don't know if/how that would work.  Definitely give Ed a call or email, I bet he can make it.

I have an external -10db pad device that is 1/8" inline, and the right angle connector about 1.5" off the R09 would be a pain to handle
Title: Re: Need a cable built
Post by: cheshirecat on October 09, 2007, 12:41:54 PM
Do you have a pic of your old cable (albeit broken) to foster some ideas?


Edit:

What about picking up a pair of these, then getting an RCA (M) > stereo 1/8th?

http://www.techonweb.com/products/productdetail.aspx?id=D45345&src=FG (http://www.techonweb.com/products/productdetail.aspx?id=D45345&src=FG)
Title: Re: Need a cable built
Post by: gmm6797 on October 09, 2007, 09:24:13 PM
Here are pix: http://www.tikcuf.us/photos/v/taping/stealthcable/

And I use those now, to a radio shack RCA>1/8" cable, and with the converter and RCA plug on the RS cable, it makes the deck about 1.5" longer and that much harder to stealth with :(

The cable before was nice and compact and also had a -10db pad built in... had I known what kind of gold I had, I would have ordered a dozen of them to have "just in case"

I just assumed, been built before, can be built again LOL
Title: Re: Need a cable built
Post by: Nick's Picks on October 10, 2007, 07:20:20 AM
I was the last failure on this cable.
my problems:

1.  BNC connectors. 
I cant' tell you how many I bought and ruined on this cable.  seems there are many different variations of BNC plugs, and they require crimping and not soldering.
I even went out and dumped $60 on a crimper for this (and other) projects.  Still can't get the right freakin' connecters.  I just dont know what i'm doing w/those.

2. opened up the 3.5mm end only to have a bunch of broken resistors fall out.  this was the home-brew attenuator.
my problem here is that i'm not an EE.  so I have no clue as to what values these have, how much attenuation they are providing...etc.
This new problem lead me to buy several books on EE basics so that I could learn how to make this.

3.  time.
I have too many projects, kids, dogs, wives..., leaving much time only for things that I know I can finish once I start.

:(

good luck.
fwiw, I have rebuilt the original cable, sans -10db pad.  PM me your addie and I'll send it back.
Title: Re: Need a cable built
Post by: willndmb on October 10, 2007, 12:09:56 PM
i'm no cable maker, but if the original connectors are ok, could you splice a new cable into the old?
Title: Re: Need a cable built
Post by: Nick's Picks on October 10, 2007, 12:16:48 PM
sure.
for that matter, you could hack a commercial 3.5mm attenuator (or any other).
Title: Re: Need a cable built
Post by: cheshirecat on October 13, 2007, 12:28:25 AM
I was the last failure on this cable.
my problems:

1.  BNC connectors. 
I cant' tell you how many I bought and ruined on this cable.  seems there are many different variations of BNC plugs, and they require crimping and not soldering.
I even went out and dumped $60 on a crimper for this (and other) projects.  Still can't get the right freakin' connecters.  I just dont know what i'm doing w/those.

2. opened up the 3.5mm end only to have a bunch of broken resistors fall out.  this was the home-brew attenuator.
my problem here is that i'm not an EE.  so I have no clue as to what values these have, how much attenuation they are providing...etc.
This new problem lead me to buy several books on EE basics so that I could learn how to make this.

3.  time.
I have too many projects, kids, dogs, wives..., leaving much time only for things that I know I can finish once I start.

:(

good luck.
fwiw, I have rebuilt the original cable, sans -10db pad.  PM me your addie and I'll send it back.

Do you have the resistors still?  The stripes should tell you what they are... the attenuator should be nothing more than a resistor between hot and ground I believe.

Edit: ok, a little more complicted than that, but still doable

http://www.electronics-tutorials.com/basics/attenuators.htm

R1 comes out to ~1156
R2 comes out to ~853

Mouser stocks a metal film 1/4 watt 845ohm and 1.15k ohm resistors, so with $.50 worth of parts you should be all set if my latenight calculations are correct.

P/Ns are 271-845 and 271-1.15k respectively
Title: Re: Need a cable built
Post by: gmm6797 on October 14, 2007, 01:25:46 PM
All I can say is you guys rock... I will admit I dont know squatt about the technology I use to record, I just know what gear my ears like, so I am glad someone can help out when we get this technical!

+T all around