DC supply for DHT ( PT15 amp )

[Pedro]

Hi all,

I'm very nearly finished building the PT15 breadboard....

I'm using 2 TXs to supply the heaters circuits - 1 for the PT15s which is a 5A 6.3v winding into 25A bridge rectifier into 10,000uF cap with 7W 0.22R dropping resistor to feed the DHT. 2nd TX is 6.3v CT'd to feed the C3g heaters.

Question is - if I only have 1 DC heater supply feeding both Left and Right DHT circuits will I have issues with signal cross talk through the DHT supply ?
Or any other problems between channels ?

I know it would be better to have 2 distinct supplies in the finished amp but will I have a problem on the breadboard with only 1x 6V DHT supply for supplying both channels ?

cheers
Pete

[bouncy ball]

Hi,
I know mine doesn't like sharing filament supply, significantly more noise.
Walt