TU-H82 Questions

[SufferingArtist]

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.

 

[vkung]

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/seisaku/ysugi/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

 

[SufferingArtist]

What is the IC used in this amp? I will check for you

Thank you, look forward to it.

 

[vkung]

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..

 

[SufferingArtist]

Am interested to know about the amp IC.

 

[vkung]

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

 

[SufferingArtist]

Amp chip is new to me. (As the others). Thanks for your assistance, appreciated.