Ty Ford
51
Audio Coins
54
COW Coins
Forum Replies Created
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Hi Jim,
It’s a case of conflicting circuits. The wireless body mic input with the bias voltage is not what the Sanken wants to see. The question remains as to whether or not something weird happens when the bias voltage runs back up into the output of the phantom supply.
You might get lucky and there might be a capacitor in the output stage of the phantom power supply. Sanken might also have something to say about the pin outs and where to put a DC blocking capacitor.
Good luck.
Regards,
Ty Ford
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Hello Reggie and welcome to the Cow Audio Forum,
Leaving the battery in should be OK. Having Phantom on while using the battery can be a problem.
Regards,
Ty Ford
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Hello Hamilton and welcome to the Cow Audio Forum,
[Hamilton Robinson] “Three urgent questions:
1)Does the US 122L have issues with phantom power at times?
>>I don’t know.
2) Why is the input light occassionally flickering on XLR signal?
>>are you feeding the mic to a line level input?
3) why no sound input from Rode mic NT3 into US122L….the light is on for US122L USB power. Do I need to put a battery in the mic if it’s phantom???
>>Actually, some mics do require a battery be in place even if they are getting Phantom Power.
You are using an XLR to XLR mic cable, right?
Regards,
Ty Ford
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Hello Matthew and welcome to the Cow Audio Forum,
Hate to pop your bubble, but the specs of the cable device you indicate are limited to 16-bit.
Regards,
Ty Ford
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Hello Jim and welcome to the Cow Audio Forum,
Will the 9V DC bias voltage cause a problem? That’s the real question. In cases where that sort of voltage actually does cause a problem, a capacitor across the right pins can block it. I don’t know what the pins would be in your case, or what size cap would be needed.
I’d check with Sanken in California. Maybe they’d know. Sometimes the bias voltage is a problem and sometimes it isn’t.
Shouldn’t be any problem with phantom though
Sorry.
Regards,
Ty Ford
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LOL!!
I’m no better looking in color.
Pretty busy MOn and parts of tues working on a story, but if you get lost in one of the halls my cell is 410.960.0689.
Regards,
Ty
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Bobby,
No Problem. The ST out should be adjustable. If you still can’t get enough level, you may need a -10 to +4 converter amp.
https://www.henryeng.com/matchbox.html.
Regards,
Ty Ford
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Hello Bobby and a belated welcome to the Cow Audio Forum,
This is a gain staging problem.
You need to find separate gain controls for the Yamaha outputs that feed the power amps and speakers. I see from the block diagram that the power amps can be adjusted to 75W. 200W or 500W each. See where they are set and if they are 500W, then try the 75W and 200W to see if that lowers the speaker volume and allows you to increase the master gain (which should increase the record out).
Or use the ST Out to feed the recorder. The block diagram indicates it can be varied continuously from -10 to +4.
Or use both lowering the PA power and switching to the ST Out.
Regards,
Ty Ford
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Hello Alex and welcome to the Cow Audio Forum,
In addition to doing it yourself with a direct drive turntable, maybe Sound Dogs has something.
Regards,
Ty Ford
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Hello Larry,
I can’t see why not. Check monday with your namesake (Larry) at Lectrosonics. Nice guys all the way around and no shuck or jive. I’d let Larry sleep with my wallet.
Regards,
Ty Ford
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