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Old 6th July 2017, 08:26 AM   #1
SufferingArtist is offline SufferingArtist  Singapore
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Smile TU-H82 Questions

Hi Victor,
am interested to ask about TU-H82.

What is the IC used in this amp?

What is the lowest impedance it can drive?

What efficiency of speaker do you recommend to use with it?

Thank you.
 
Old 6th July 2017, 04:08 PM   #2
vkung is offline vkung  Canada
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Join Date: May 2005
Location: Vancouver BC Canada
What is the IC used in this amp? I will check for you

What is the lowest impedance it can drive?4ohm

What efficiency of speaker do you recommend to use with it?any full range speaker will do a good job

https://www.kit-ya.jp/etc/club/seisa...i/ysugi35.html


Specification
• Vacuum Tube 12AU7(ECC82)1
• Input terminal [INPUT-1] 3.5mm  (front )
[INPUT-2] RCA jack (rear )
[USB_DAC] (rear )
• Output Terminal [Speaker] Gold plated binding terminal
    [PHONES]3.5mm mini jack
• Rated output [Speaker output]
  6Ω 8.2W+8.2W、8Ω 6.5W+6.5W
[Headphone] 16Ω 8mW+8m
• Rated input [INPUT-1]170mV[INPUT-2]470mV
• Frequency response 20Hz-25kHz(-3dB,6Ω)
• Residual noise 120μV(IEC,6Ω)
• USB-DAC 32kHz/44.1kHz/48kHz(16bit)
         Windows XP or later, Mac OSX or later

Last edited by vkung; 7th July 2017 at 06:09 PM.
 
Old 7th July 2017, 07:27 AM   #3
SufferingArtist is offline SufferingArtist  Singapore
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Quote:
Originally Posted by vkung View Post
What is the IC used in this amp? I will check for you

Thank you, look forward to it.
 
Old 7th July 2017, 06:07 PM   #4
vkung is offline vkung  Canada
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Join Date: May 2005
Location: Vancouver BC Canada
I am waiting Elekit to tell me. It is Saturday in Japan

The are 2 ic(s) one for USB-DAC and one for Class D output..

Last edited by vkung; 7th July 2017 at 06:10 PM.
 
Old 8th July 2017, 04:32 AM   #5
SufferingArtist is offline SufferingArtist  Singapore
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Am interested to know about the amp IC.
 
Old 10th July 2017, 06:33 AM   #6
vkung is offline vkung  Canada
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Join Date: May 2005
Location: Vancouver BC Canada
These are the ICs used for TU-H82.

IC  LMR64010XMF/NOPB (TI) ... for DC voltage stepup, for tube power
IC PCM2704CDB (stick) ... for DAC
IC TPA3004D2PHP (TI) ...for amplifying
 
Old 11th July 2017, 06:52 AM   #7
SufferingArtist is offline SufferingArtist  Singapore
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Amp chip is new to me. (As the others). Thanks for your assistance, appreciated.
 

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