B778 D998 transistors substitutions

[bigpun4fubu]

what are good replacements for a B778 and a D998 transistor? they are audio outputs for a 600 watt insignia amp?

 

[mike49504]

I believe the FJA4213 and the FJA4313 are good replacements ive used them in many amps and have had no problems

 

[bigpun4fubu]

which one replaces what?

 

[mike49504]

FJA4213 replaces the B778

FJA4313 replaces the D998

 

[bigpun4fubu]

thank you