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GT MD1a Microphone Cable
Old 5th January 2018
  #1
Gear Nut
 
analogcabin's Avatar
GT MD1a Microphone Cable

Hi all,

I'm in need of a second cable for my Groove Tubes MD1a tube mic.
It terminates on D-Sub 9 slide lock connectors (which I've found), but it needs 6 conductor (plus a braided shield) cable. Any recommendations on a good flexible cable for this application? Ever fool with these microphones?


Many thanks!
Old 5th January 2018
  #2
Gear Addict
 
samwinston123's Avatar
 

Redco has 3 options for 7 conductor tube mic cable, they're all fine choices:

Bulk Tube Mic Cable | Redco Audio

You might be able to price them better from somewhere else but you'll probably have to buy a ton of it.
Old 5th January 2018
  #3
Gear Nut
 
analogcabin's Avatar
As I looked (quickly) at the wire in the current cable I have, I thought all were the same gauge.
I see the 3 variations Redco carries all have a heavier pair or different gauge wires. This will take some checking to see what goes where.
Anyone have a pin-out for a GT Mic cable?

Long shot but... hey!
Old 6th February 2018
  #4
Gear Nut
 
kcswingmaster's Avatar
 

Maybe these?
Attached Files
File Type: pdf MD 1(1).pdf (46.7 KB, 27 views) File Type: pdf img-100427215903.pdf (190.7 KB, 23 views) File Type: pdf img-100427215734.pdf (272.2 KB, 38 views)
Old 6th February 2018
  #5
Lives for gear
 
Richard Crowley's Avatar
 

The only significant current there is for the 12AT7 heater/filament. And that is only 150mA @ 12.6V
So, any of those cables should be more than adequate unless you are making something very long (dozens of ft.)
Old 6th February 2018
  #6
Gear Guru
 
Sounds Great's Avatar
 

Quote:
Originally Posted by analogcabin View Post
Hi all,

Ever fool with these microphones?
I sold mine along with the Groove Tubes MP1 preamp. One of the best microphones I've owned, I would put it up against mics costing 10 times as much.

Should have kept it.
Old 8th February 2018
  #7
Gear Nut
 
kcswingmaster's Avatar
 

Im looking to buy one of these today without the cable. I picked up a computer db9 straight thru cable to test the mic. Im a bit confused with the pin #s on the schematics above being mirrored on the connectors (5 on the female ps connector 120v = pin 1 120v on the mic side male connector?) Is this in face a straight thru pinout?
Old 10th February 2018
  #8
Gear Nut
 

Traditionally the higher gauge cables are used for the heater voltage and the ground
Old 4 weeks ago
  #9
Here for the gear
apparently any easily available 9-way D connector can be used.
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