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-   -   5687 as a single stage SE amp (http://www.diyaudio.com/forums/tubes-valves/90281-5687-single-stage-se-amp.html)

simonov 13th November 2006 11:05 PM

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.

Regards:
Venci :)

hagtech 14th November 2006 04:17 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.

jh

astouffer 15th November 2006 01:42 AM

Try this one instead:

http://digilander.libero.it/paeng/a_...e_Tube_Amp.htm

simonov 15th November 2006 11:06 AM

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 09:26 PM

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


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