FRANCY
To tell the truth
Francy was the "ancestor" of Francesca, but for our purpouses can be considered
a low cost version. The main differences are in the absence of interstage
trasformers or inductive loads.
Besides also a china
tube for the 2a3 is used.
Even without this
Francy has a good sound and there is plenty of power to play with. I think
that the best quality of the sound lies in the 2a3 driver.
The only things I
wuold suggest are:
-
Use a good quality coupling
Cap. I used paper/oil and i was satisfyed even with those frequently underrated
russian components.
-
Parallel 2 or more small
caps to obtain the 4uf value. this lows the inductance
-
Use the 5842 Rayteon,
other types are worse.
-
When you are in budget
try to inductive load the 5842.
Here is the main scheme:
What Francy lacks
is a very deep extension in low frequencies (I definitely don't need any
subwoofer with "Francesca") and a big resolution of details.In my opinion
all this comes from the use of the interstage Trasformer.
Apart from this,
the very high voice/ambience reproduction, and the "impact" are the same
of Francesca.
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