Should I use "Line" or "Inst" for my Rode NT1-A?
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- KVRAF
- 2454 posts since 5 Oct, 2003
Hi there,
I'm using my NT1-A with a Scarlett 2i2 audio interface using an XLR cable and I have the option of selecting Line or Inst level. Which should I be using please?
I can't seem to find this info online googling or in the NT1-A and 2i2 manuals.
Thank you!
Greg
I'm using my NT1-A with a Scarlett 2i2 audio interface using an XLR cable and I have the option of selecting Line or Inst level. Which should I be using please?
I can't seem to find this info online googling or in the NT1-A and 2i2 manuals.
Thank you!
Greg
- addled muppet weed
- 111341 posts since 26 Jan, 2003 from through the looking glass
- KVRAF
- 16890 posts since 8 Mar, 2005 from Utrecht, Holland
Mic !!
Me thinks the switch is for impedance, not gain. Then "line" (low impedance) is what you want. "Inst" is for electric guitars with high impedance.
Btw synths are often low impedance, so Line not Inst.
Me thinks the switch is for impedance, not gain. Then "line" (low impedance) is what you want. "Inst" is for electric guitars with high impedance.
Btw synths are often low impedance, so Line not Inst.
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- KVRAF
- Topic Starter
- 2454 posts since 5 Oct, 2003
Hmm, is a little confusing. Here's what the manual says:
"Inputs 1 & 2 – Combo XLR input sockets - connect microphones, instruments (e.g., guitar) or line level signals via XLR or 1⁄4” (6.35 mm) jacks as appropriate
LINE/INST - Line / Instrument level switches for each input – switches gain to suit instrument or line level signals"
I'm using phantom power with the NT1-A also. Switching between line and inst doesn't make any audible difference to me.
"Inputs 1 & 2 – Combo XLR input sockets - connect microphones, instruments (e.g., guitar) or line level signals via XLR or 1⁄4” (6.35 mm) jacks as appropriate
LINE/INST - Line / Instrument level switches for each input – switches gain to suit instrument or line level signals"
I'm using phantom power with the NT1-A also. Switching between line and inst doesn't make any audible difference to me.
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- KVRAF
- Topic Starter
- 2454 posts since 5 Oct, 2003
Thank you for clarifying!
- KVRAF
- 16890 posts since 8 Mar, 2005 from Utrecht, Holland
You might hear a difference when a high-impedance thing is connected. The other way around is usually not so audible.
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FranklyFlawless FranklyFlawless https://www.kvraudio.com/forum/memberlist.php?mode=viewprofile&u=586325
- KVRian
- 1091 posts since 24 Oct, 2022
You should not be using either. Connect to either channels using the XLR Male cable, then press the 48V button on the front to turn on the phantom power. The "48V" text should highlight red. Use the respective Gain knob on the right of the channel's input to increase or decrease the gain level.killmaster wrote: Sun Apr 23, 2023 1:37 pm Hi there,
I'm using my NT1-A with a Scarlett 2i2 audio interface using an XLR cable and I have the option of selecting Line or Inst level. Which should I be using please?
I can't seem to find this info online googling or in the NT1-A and 2i2 manuals.
Thank you!
Greg
If you ever need to disconnect your microphone, press the 48V button to turn off the phantom power. The "48V" text should be grey, with no red backlight. Then unplug the XLR Male cable from whichever channel you inserted.
Last edited by FranklyFlawless on Sun Apr 23, 2023 7:33 pm, edited 1 time in total.
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Constructed Identity Constructed Identity https://www.kvraudio.com/forum/memberlist.php?mode=viewprofile&u=288890
- KVRian
- 1355 posts since 29 Sep, 2012 from Minnesota
The above is correct. My interface says Mic Line Instr. - they are three different things used differently.
- KVRAF
- 16890 posts since 8 Mar, 2005 from Utrecht, Holland
Do you have the Focusrite Scarlett 2i2? It is somewhat different.
2nd gen:

3rd gen:

From the manual:
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We are the KVR collective. Resistance is futile. You will be assimilated. 
My MusicCalc is served over https!!
My MusicCalc is served over https!!
- KVRAF
- 7851 posts since 2 Sep, 2019
Neutrik combo connectors combine two totally separate inputs in a single socket. The XLR input is +4dBu, and the line is +10dBV. When you select between instrument or line, this only affects the 1/4" input. It does not apply to the XLR input at all. Just as the +48V phantom power only applies to the XLR input, and does not send 48 volts to your guitar cable.
THIS MUSIC HAS BEEN MIXED TO BE PLAYED LOUD SO TURN IT UP
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- KVRAF
- Topic Starter
- 2454 posts since 5 Oct, 2003
Thanks! Mine is 1st Gen.BertKoor wrote: Mon Apr 24, 2023 5:55 amDo you have the Focusrite Scarlett 2i2? It is somewhat different.
2nd gen:
3rd gen:
From the manual:Screenshot_20230424-080133_Samsung Notes.jpg
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- KVRAF
- Topic Starter
- 2454 posts since 5 Oct, 2003
This is an important distinction and I suspected this was the case. Thanks for clarifying it!!jamcat wrote: Mon Apr 24, 2023 6:29 am Neutrik combo connectors combine two totally separate inputs in a single socket. The XLR input is +4dBu, and the line is +10dBV. When you select between instrument or line, this only affects the 1/4" input. It does not apply to the XLR input at all. Just as the +48V phantom power only applies to the XLR input, and does not send 48 volts to your guitar cable.
