Plain AB763 vs. AA1164 with loop advice

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For my ‘transparent fx loop’, I just stick a mic in front of the speaker cab, feed that into an echo pedal modded to wet only, and feed that into a small 30W solid state combo I picked up for free (it needed a few squirts of cleaner lube in its pots and some dry joints reflowing ).
At home, I use the FluxTone cab, so TV sound level when set to min (about -32dB reduction in sensitivity) with a JTM45.
A great feature of my transparent fx loop is that it takes all of 10 seconds to fit to any amp

[ViperDoc]

Yes, yes! The wet-dry route has never done me wrong. Might have to make that a thing again.

[Spock429]

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In order to have an effects loop in a BFDR you must inject it just before the driver tube.
However the signal at that point can be as large as 20 volts.

Remember, adding an effects loop should be invisible to the normal operation of the amp.
That is to say if you plug the send into the return jack you should not notice any difference to tone, feel, or any other way of measuring performance of the circuit.

Fist thing you have to do is drop that 20 volts to a voltage that is normal for pedals...typically 1.5 VAC max.
Next you have to make sure the new lower voltage can drive a low z circuit...remember before it was driving a high z circuit.

Then on the return side, you must take the low loop voltage and boost it back up to the normal 20 volt area.

Because the devices in your loop are almost always use solid state devices to do their thing...you can not complain about using solid state devices to accomplish this feat.

So you must use a voltage divider, and have a single transistor to convert the impendence for the send, and on the return side you must have another one for a gain stage.

If done correctly this will net you an invisible effects loop on all black face circuits. ( you could also add a dual gang 1 meg linear pot to give you an all "Wet or Dry" setting or any blend that suits your taste.

[jbrrrrr]

the audio inputs might be the hardest thing these days.. do not ask me about USB3 pinout i will bluetooth you to the moon and wifi mountains into the sea

I suppose asking about Firewire vs. Thunderbolt would be quite the non-starter

[Reeltarded]

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