Nad 7020 inputs

Trebla · 9th November 2006, 09:09 PM

Simple question for someone.

What is the purpose of the "Lab in" sockets on the back?

I don't have a user manual, and a search turned up nothing.

AKN · 9th November 2006, 09:58 PM

Hi Trebla!

Lab input are none (less) filtered. "Normal Input" is well filtered meaning freq response hardly extending to 20-20k while "Lab Input" has wider freq response, don't know by how much though.
Have you tried the other input?

Trebla · 10th November 2006, 10:18 PM

Thanks for that, Anders.

I haven't tried the input till now. Only had chance for a brief listen, but it does seem a bit clearer. The top end still sounds rolled off though.
One obvious difference, is a switch on thump that i never used to get.
I've only had this receiver for a few days. I bought it very cheap, to use as a radio in the garage with the added advantage of handy pre - outs for testing. Not even had time to clean it properly yet.
It's turned out to be better sounding than expected and may well be worth some new caps and sockets. A cheap winter project perhaps.

Leolabs · 10th November 2006, 11:38 PM

Hope to hear from you about your project.

Trebla · 11th November 2006, 09:32 AM

Yes, i will post if any meaningful improvements happen to occur.
I will begin with the power supply caps, as upgrades here are supposed to to be worthwhile.

9th November 2006, 09:09 PM	#1
Trebla diyAudio Member Join Date: Nov 2005 Location: North West	Nad 7020 inputs Simple question for someone. What is the purpose of the "Lab in" sockets on the back? I don't have a user manual, and a search turned up nothing.

9th November 2006, 09:58 PM	#2
AKN No snake oil diyAudio Member Join Date: Aug 2005 Location: In the middle of Sweden	Hi Trebla! Lab input are none (less) filtered. "Normal Input" is well filtered meaning freq response hardly extending to 20-20k while "Lab Input" has wider freq response, don't know by how much though. Have you tried the other input? __________________ / Anders

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10th November 2006, 10:18 PM	#3
Trebla diyAudio Member Join Date: Nov 2005 Location: North West	Thanks for that, Anders. I haven't tried the input till now. Only had chance for a brief listen, but it does seem a bit clearer. The top end still sounds rolled off though. One obvious difference, is a switch on thump that i never used to get. I've only had this receiver for a few days. I bought it very cheap, to use as a radio in the garage with the added advantage of handy pre - outs for testing. Not even had time to clean it properly yet. It's turned out to be better sounding than expected and may well be worth some new caps and sockets. A cheap winter project perhaps.

10th November 2006, 11:38 PM	#4
Leolabs diyAudio Member Join Date: Dec 2004 Location: Bukit Mertajam	Hope to hear from you about your project.

11th November 2006, 09:32 AM	#5
Trebla diyAudio Member Join Date: Nov 2005 Location: North West	Yes, i will post if any meaningful improvements happen to occur. I will begin with the power supply caps, as upgrades here are supposed to to be worthwhile.