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simonov 14th November 2006 12:05 AM

5687 as a single stage SE amp
Hi, guys. I want to build a simple SE amplifier with an output power of about ~ 1W. Can I use this tube in such a project? I'v heared verry good comments about it.

Venci :)

hagtech 14th November 2006 05:17 AM

It's a great tube for a linestage or driver. You can probably get 1 watt of power out of it, but the output impedance will be very high. Bass will be soft and woolly. Probably ok to drive Sennheisers.


astouffer 15th November 2006 02:42 AM

Try this one instead:

simonov 15th November 2006 12:06 PM

Yes, 6S45P-E is one realy good piece of glass :D
Have you tried this design? The output power is quite enough for me :)

astouffer 15th November 2006 10:26 PM

No I have not tried it. With the low parts count you should be able to test it easily.

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