Hi;

In the output stage of the 1272, would it be feasible to use a
non-DC-current-capable line output transformer by substituting a
resistive load on the output and then capacitivly coupling the line
output transformer to the collector of the output transistor?

Thanks

Crumb

Crumb wrote:

In the output stage of the 1272, would it be feasible to use a
non-DC-current-capable line output transformer by substituting a
resistive load on the output and then capacitivly coupling the line
output transformer to the collector of the output transistor?

Yes, but it will totally change the sound of the device (a lot of
which comes from the output transformer design), and you will be able
to drive hardly any current out of it. Forget driving 600 ohms.
--scott

--
"C'est un Nagra. C'est suisse, et tres, tres precis."

On 7 Jul 2004 09:20:50 -0700, (Crumb) wrote:

In the output stage of the 1272, would it be feasible to use a
non-DC-current-capable line output transformer by substituting a
resistive load on the output and then capacitivly coupling the line
output transformer to the collector of the output transistor?

Also, capacitive coupling to a tranformer is itself a tricky
thing. You now have two series resonances, with the primary
inductance and with the leakage inductance.

And primary inductance varies with signal level, so...
Just a caution.

Chris Hornbeck