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In Reply to: RE: Load input impedance value question posted by XLR8OR on February 10, 2012 at 13:56:55
I will check the value for you. I guess your amp more than 6 years old.
If you want Vitamin-Q, please let me know
Have you managed to ask Junichi what the load input impedance value is for the TRV-M300SE amps? TIA.
My amps are less than 18 months old purchased new in box. I have also found other minor faults with the power LED's failing and tube sockets needing to be replaced (both Chinese made). In addition, there have also been some wiring faults present.
On a separate note, would you know if its possible to upgrade the AC mains transformers? They look identical to the ones used in the TRK-3488 kit. Any close up photos showing these transformers in further detail would be most helpful. Are they hand wound in China or Japan? Again, I have noticed a wiring fault present between the 2 power amps with a different layout of wiring posts available on the side containing the 4 large holes at the bottom (that is, to the left of the photo I have included).
Where you bought your amp?
All Triode PT and OPT are made in Japan. They are different types of PT.
Thanks for confirming that the AC mains power transformers and speaker output power transformers are all made in Japan. I have found that not all parts used in Triode products are made in Japan. Sure, the majority of the parts used are in fact manufactured in Japan (like Nichicon, Kiwame, Tone Factory, ALPS etc) but other components used are also made in China or Hong Kong (like tube sockets, LEDs, Swellong capacitors etc). Can you suggest any Hashimoto, Tamura or Tango OPT replacements?
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