Use of Tango NN-600-600 Transformers ?

manp111 · 20th January 2012, 01:54 AM

Could you guys tell me what the Tango NN-600-600 transformers can be use for ?

Ratio: 1+1 : 1+1
Primary: 600 ohms (150 Split)
Secondary: 600 ohms (150 Split)

Data sheet:
http://www.tubebooks.org/file_downlo...NN-600-600.pdf

astouffer · 20th January 2012, 03:01 AM

Isolation of balanced inputs/outputs.

manp111 · 20th January 2012, 03:03 AM

What are the advantages of isolating balanced input/output ?

H.Michi · 20th January 2012, 05:28 AM

Acording to the EX-TANGO catalog, NN-600-600 was designed as for the input transformer for the main-amp.You shall get higher S/N ratio when you used it together with the output transformer e, g, TANGO, NP-8, at pri-amp output stage by balanced connection. The comon-mode noise will be freed.

commstech · 20th January 2012, 05:30 AM

can be used for BAL --> SE conversion at the input of amplifier (enables a single ended amp to accept balanced inputs).

manp111 · 20th January 2012, 06:01 AM

Quote:

Acording to the EX-TANGO catalog, NN-600-600 was designed as for the input transformer for the main-amp.You shall get higher S/N ratio when you used it together with the output transformer e, g, TANGO, NP-8, at pri-amp output stage by balanced connection. The comon-mode noise will be freed.

I understand.
You mean at "pre-amp" output stage right ?

If I use an active tube crossover, does the NN-600-600 have the same function if it goes between the preamp and the crossover ?

H.Michi · 20th January 2012, 10:56 AM

Yes, I mean at pri-amp output stage.
I think you can use NN-600-600 at input stage of your active tube crossover, same as main-amp, if your pri-amp has the OPT with 600 ohms secondary balanced output. You can extend 5m of cable between them without problem.

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20th January 2012, 03:01 AM	#2
astouffer diyAudio Member Join Date: Jun 2004 Location: Pittsburgh, crumbling wasteland	Isolation of balanced inputs/outputs.

20th January 2012, 03:03 AM	#3
manp111 diyAudio Member Join Date: Jun 2010 Location: Austin, Texas	What are the advantages of isolating balanced input/output ?

20th January 2012, 05:28 AM	#4
H.Michi diyAudio Member Join Date: Jan 2009	Acording to the EX-TANGO catalog, NN-600-600 was designed as for the input transformer for the main-amp.You shall get higher S/N ratio when you used it together with the output transformer e, g, TANGO, NP-8, at pri-amp output stage by balanced connection. The comon-mode noise will be freed.

20th January 2012, 05:30 AM	#5
commstech diyAudio Member Join Date: Oct 2002 Location: SINGAPORE	can be used for BAL --> SE conversion at the input of amplifier (enables a single ended amp to accept balanced inputs).

20th January 2012, 10:56 AM	#7
H.Michi diyAudio Member Join Date: Jan 2009	Yes, I mean at pri-amp output stage. I think you can use NN-600-600 at input stage of your active tube crossover, same as main-amp, if your pri-amp has the OPT with 600 ohms secondary balanced output. You can extend 5m of cable between them without problem.

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