Tube Amp Archive

Slowly making way through the schematic. This is where I'm at so far. Assume it has errors, a little bit more to go. Thanks, Aaron There’s a cap connected to the treble cap entrance. Is the rock/jazz switch possibly being used as what we usually know as the mid boost function instead of typical roc...

Something I just realized today, the treble pot acts very oddly in this amp because of the loading of the trem pot. You get the same sort of signal dump as you do in a typical bf/sf fender circuit, but because it is right at the treble pot, it acts more like a "thin knob", as you turn it up. The am...

You only need 2V or less going out to your FX, and the D’lators CF send buffer has gain a bit less than 1. Setting the master at noon might put around 10V at the amp’s send jack, and about the same at the top of the D’lator’s send pot. More than enough. I don’t know about ideal, but noon on the mas...

In the standard arrangement the amp's master controls the signal at the send jack, and it is usually set around noon (~90% attenuation of the preamp output). The D'lator's recover pots are now controlling the signal being fed back into the power amp at the return jack, so they replace the master. T...

I have a zingaro and am a total noob to the dumble thing but you can use the input (clean) gain to influence the lead channel. If you set it lower your lead gain probably goes up to compensate and is smoother in general. If you wind up the input gain then the lead channel is getting a hotter signal ...

It’ll be fine if you keep the master volume down low enough. I’ve just never really warmed to the idea of the knob on the front panel becoming essentially useless when the D’lator is in the loop. I have to say that given the small amount about this that I do think I understand, I agree with this. A...

I would add that in the case of Gary's Zingaro, you'll be better off using whatever length cables you will be using when you use the amp (whether it be at a coliseum or your basement). If I recall correctly, Gary's told me that he uses 250K pots in his FX loop. That being the case, the SEND pot set...

One of the best ways to hear what is happening with your loop is to put a short patch cable in the loop and fiddle with your send and return knobs, if the Zingaro has them. And Yes, the the send and return levels do raise and lower the overall volume of the amp. As does a level knob on any effect y...

One of the best ways to hear what is happening with your loop is to put a short patch cable in the loop and fiddle with your send and return knobs, if the Zingaro has them. And Yes, the the send and return levels do raise and lower the overall volume of the amp. As does a level knob on any effect y...

Can someone baby-speak this concept to me? I have a Glaswerks Zingaro. It has the active loop in it. From what I’ve read and I suppose experienced to an extent, the loop can be a “master volume” for the master volume. What is going on here? What’s the most effective way to do this? Do whatever you w...