Hi
Usually there are 2 transistors for each channel, if you don't know the numbers on the transistors.
there is another way to get as close as possible to have equal or similar to the same type of transistors (NPN/PNP)
example: 2SA is PNP transistor.
there are (2SA/2SC) transistors and there are (2SB/2SD)
complementary transistors
1: you have to know the supply voltage for the transistors
2: choose transistors that it is equal to the current and voltage that suits the supply voltage.
follow this link to find suitable transistors.
be aware and be careful that there other parts you need to check on the power amplifier circuit, resistors,capacitors and drivers etc...
I would suggest (2SD1047/2SB817)
http://www.smcelectronics.com/DOWNLOADS/COMPTRANS.PDF
Good luck
Hope this helps
SOURCE: How do I connect my
"R1" is not a unique model. Treat the Cable Box as the high-end source it is. Connect the highest quality audio to the unspecified Onkyo in accordance with its manual.
To avoid the cost and potential problems inherent in unnecessary cables, cable length and interconnects I recommend never running any audio or video signal to or through a component that can't use or IMPROVE it. Hence, in my rig, no video whatsoever goes to my AVR and no high end audio goes to my TV.
SOURCE: Onkyo received amplifier. Model number tx-ds797..I
This 12 year old receiver was sold for about 1000 dollar when on the market. from about 2002.
See what they wrote in these days:
Onkyo TX DS797 black review CNET
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