2SC5200 vs MJ15003 and linearity ?

[gaetan8888]

Hello

The 2SA1943 and 2SC5200 transistor are use in a lot of diy power amp.

What is the sonic quality and and linearity of the MJ15003 AND MJ15004 compared to the 2SA1943 and 2SC5200 ?

Thank

Gaetan

[AndrewT]

Hi,
two completely different beasts.
Surprisingly, when the amp for each is optimised, they can sound very similar (but only when driven within spec).

[jaycee]

More fair to compare 2SC5200 and MJL3281.

[clovi_kate]

which sounds soft to hear?..and which is a monster?..

[Leolabs]

Both can be soft and both can be beast.

[gaetan8888]

Hello

If we would use MJ15003 and MJ15004 transistors for those amps; Dx amp, GEM100 amp, SymAsym, or the partial AKSA55 amp. What would be the sonic quality difference ?

Thank

Gaetan

[PMoreton]

The MJ15003 is a TO3 part; has anyone had any good results using the similar MJL21196 or MJL21194 which are similar Audio Bipolars, but in easier to use TO-264 cases. I ask because I'm building a John Linsley-Hood Class-A amp, and the MJ15003 is reckoned to be very good with the JLH design.

(I'd rather use TO-264 packages for ease of construction)

[jmateus]

Yes, I used MJ15003 in my JHL amplifier, 6 transistors in each channel. They are excellent in that design.

[gaetan8888]

Originally posted by jmateus
Yes, I used MJ15003 in my JHL amplifier, 6 transistors in each channel. They are excellent in that design.

Hello

Why 6 transistors in parallel in each channel ?

If I remember, the original plans do not use 6 transistors.

Thank

Gaetan

[richie00boy]

Probably a class-a design, needs to get rid of a lot of heat.