Quilter Labs

We have no physical copies of any of our manuals. However, manuals for all current and most discontinued Quilter/Neunaber items can be found on our website ...

While Quilter amps are designed to run 4 ohm and 8 ohm loads, you can run a 16 ohm cab with your amp. But there are a few things to note: A 16 ohm load ...

Technically, yes. But you should be cautious when doing so. This is how we usually suggest going about doing it: For example, say you have a Tone Block ...

You can safely use our amplifiers with no load. But keep in mind that if the amp does not have cabinet simulation then it may cause the output to behave dif...

A speaker connection is not required to run our amps. It is completely safe to run one with no load. That precaution only applies to tube amps.

You may connect an external preamp to FX Return which bypasses everything but the Reverb and Master controls. The external source will mix 50/50 with the in...

In most cases, when a new and/or updated product gets released, it will typically cause sales for a similar or related product to decline. When that happens...

Yes, as the amplifier or interface is powering up it may disrupt the positive or negative rails as it turns on. A small click or pop from the amp is normal....

Absolutely. They are made for headphones or any relatively line level input.  However, we do recommend using the Line Out if the amplifier is equipped w...

The Line Output accepts phantom power without any stress or problems at all. Do note that there will be much louder noises when plugging/unplugging the outp...