Those Seymour Duncan Powerstage amps are utter tripe

[OrganicZed]

Even if the modeller has everything modelled, it still does not have a direct electro-mechanical relationship with the poweramp and the speaker. It simply isn't the same relationship that a valve poweramp has with the speaker.

The impedance relationship between a valve amp and its connected speaker is dynamic, in a way that a class D solid state power amplifier is not. It shifts and changes based on volume, voltage, and based on what the input signal into the amp is doing. The output transformer is a LOT to do with this too.

Again, I could be wrong and the more knowledgeable folk will correct me. But plugging a modeller - or even a tube based preamp for that matter - into a solid state amp and then plugging the solid state amp into a speaker, is not going to give you the same impedance reactivity as a valve amp would.

I can’t comment specifically on the technical aspects, but there is no doubt that plugging my Fryette GP3 tube preamp into a QSC solid state power amp and cab is flat and uninspiring while the same preamp into the Fryette 2/90/2 tube power amp and cab is lively, punchy, and awesome.

 

[Orvillain]

I can’t comment specifically on the technical aspects, but there is no doubt that plugging my Fryette GP3 tube preamp into a QSC solid state power amp and cab is flat and uninspiring while the same preamp into the Fryette 2/90/2 tube power amp and cab is lively, punchy, and awesome.

There's a subjective part of this that I think I fall on the same side as you; I don't doubt what Cliff says on a technical level. I simply haven't used a "good" SS poweramp in order to judge for myself.

I can say that as a poweramp for modellers, the Fryette Powerstation 100-watter was very very good. As a load box, I wasn't as keen on it because of high frequency roll off.

 

[Orvillain]

a fucking sick riffs

lol typo you idiot

 

[OrganicZed]

Too bad Matrix is more or less defunct.

The Red Sound stuff that Burgs demoed looks promising as a Matrix replacement.

 

[JiveTurkey]

This rolled up on my FB feed. Somebody's watching

 

[FractalAudio]

I can’t comment specifically on the technical aspects, but there is no doubt that plugging my Fryette GP3 tube preamp into a QSC solid state power amp and cab is flat and uninspiring while the same preamp into the Fryette 2/90/2 tube power amp and cab is lively, punchy, and awesome.

That's because there's no tube power amp either real or simulated.

The GP3 is designed and voiced to be used with a tube power amp. If you use it with an SS power amp you don't get the additional frequency response shaping (bass and treble boost), distortion and dynamics that a tube power amp provides.

Plug an Axe-Fx III into a QSC power amp and cab and it will be lively, punchy and awesome (be sure to defeat cabinet sims).

 

[Mongillo19]

Plug an Axe-Fx III into a QSC power amp and cab and it will be lively, punchy and awesome (be sure to defeat cabinet sims).

Any specific QSX you recommend, Cliff?

 

[GuitarBilly74]

The older Mosfet power amps of the 80s can be great for this type of stuff. Mosvalve, Carvin FET series, ADA etc.

 

[OrganicZed]

That's because there's no tube power amp either real or simulated.

The GP3 is designed and voiced to be used with a tube power amp. If you use it with an SS power amp you don't get the additional frequency response shaping (bass and treble boost), distortion and dynamics that a tube power amp provides.

Plug an Axe-Fx III into a QSC power amp and cab and it will be lively, punchy and awesome (be sure to defeat cabinet sims).

I have done that and can confirm that it is great.

 

[OrganicZed]

In a post over on the Fractal forum he specifically mentioned the QSC GX series of amps., It really shouldn’t matter too much which model you use so long as it is a quality amp with lots of clean headroom and a flat frequency response.

I have tried the following models with good results: QSC RMX2450, QSC PLX3402, and QSC PLX3102. I own all of these models and they work essentially interchangeably. Older PA amps are plentiful on the used market and can be had for a bargain.

 

[BenIfin]

Too bad Matrix is more or less defunct.

If you find one 2nd hand ... grab it ... they are built like a tank ... you wont regret it !

 

[[Nathan]]

Neighbour complained today about the volume. Fucking old hag cvnt next door.

Send her a link to this thread, she probably doesn’t understand that Cliff is dropping knowledge and some air needs to be pushed in the name of tonal science

 

[Boudoir Guitar]

some air needs to be pushed in the name of tonal science

We don’t need Orvillain starting conversations about QITR versus the sound of a mic’ed c*nt.

 

[FractalAudio]

Neighbors suck. That's why I prefer to live like a hermit. Right now I don't think there's another human (besides my family) within a mile radius.

In honor of that I'm going to go have a shot (or two) of Dalmore.

 

[likitlikeyoulikeit]

Neighbors suck. That's why I prefer to live like a hermit. Right now I don't think there's another human (besides my family) within a mile radius.

In honor of that I'm going to go have a shot (or two) of Dalmore.

Lucky bastard!

 

[FractalAudio]

Lucky bastard!

Good stuff:

 

[likitlikeyoulikeit]

Good stuff:

But I was more envious of your lack of population density....

But I will share with you....

Usually more of a Bourbon man, but I won't be impolite.

 

[BenIfin]

The Red Sound stuff that Burgs demoed looks promising as a Matrix replacement.

Very interesting :)

My Matix GT800 is, as they described it ... a high quality Class A/B Amp.

This is described as a high quality Class D Amp.

I just know that as soon as I compared the Matrix to my old SD 170, the SD 170 was packed and for sale within the week.

Can anyone who knows the advantages / disadvantages of each maybe post some comments given they are both claiming to be "high quality" ?

 

[Boudoir Guitar]

Very interesting :)

My Matix GT800 is, as they described it ... a high quality Class A/B Amp.

This is described as a high quality Class D Amp.

I just know that as soon as I compared the Matrix to my old SD 170, the SD 170 was packed and for sale within the week.

Can anyone who knows the advantages / disadvantages of each maybe post some comments given they are both claiming to be "high quality" ?

Advantage of 170: small, compact power amp with surprising capabilities for that size. 170 watts into 4 ohms (so likely around 85 watts into 8 ohms)

Mattix 800: delivers 800 watts into 8 ohms.

This is not rocket science people.

 

[Orvillain]

Advantage of 170: small, compact power amp with surprising capabilities for that size. 170 watts into 4 ohms (so likely around 85 watts into 8 ohms)

Disadvantage: sounds like dogshit.