Preamps can color sound considerably. Surprising?


Had the pleasure of listening to 4 hi end preamplifiers this weekend. And each preamp sounded very nice. But they were different. Each preamplifier has different circuitry and within the frequency spectrum there was more vibrancy in some areas versus other areas. Amplifiers are the same way.

It takes a while to appreciate sound differences between preamplifiers. And then you got the issue of Breakin which further changes the color.

clearly designers are playing around with all the internal circuitry in a manner that hopefully will be appealing. Clearly, these units do not get out of the way when it comes to moving a signal through the box.

I think solid state is more susceptible to coloring versus tubes. Tubes color sound as well.

It's all about marketing different ways to color Music. This isn't necessarily bad but it's never really talked about this way.

 

 

 

jumia

@jumia McIntosh preamps include line stages. I am sorry but, I do not get the question ? 😕

Correction, they offer one solid state preamplifier with no phono stage , but no pure lion stage tube preamps

They always like to stuff things with a photo stage or headphone amplifier.

Not interested in solid state preamplifiers hey sixfrom McIntosh.  Have Mono blocks that are solid state I wish I could get them with tubes.  I think McIntosh is good for amplifiers but not much else. The processors they sell basically are marantz put into a Macintosh box.

 

@scm 

holmz ...The source output impedance is VERY low according to what I see listed for my ModWright 9.0X phono stage. Couldn`t find anything showing exactly what it is.

The amp`s input impedance is 28K ohms

The most important here is the listening level, and whether the interconnects to the amp is short or not.

Much easier if the passive to amp is a stereo amp and short ICs, then a long length to mono blocks across the room.

 

Every amp I own, and have owned, is / has been rated to reach full power with less than 2 volts at the input. If you have a good 2 volts to work with, impedances are well matched, and the system caters to your desired volume level ( s ), when does the preamp’s additional voltage kick in? Most preamps in most systems are still used in attenuation mode, ime.

Actually an amp requiring 5V would be better and the preamp needs to use less attenuation. Basically the lower the amp gain, the better.

Or the closer the preamp runs towards 0dB attenuation, the better.

Holmz ,

Clearly you understand impedance and volts and ohms, with respect to their relationships to all the various pieces of gear.  This is quite a feat to accomplish in my opinion.

Are you of the school that sees a difference between a longer speaker cable? I say this because I have 12 foot transparent speaker cables, and then I bought mono blocks which means I could've used a 1 m speaker cable. After spending $2500 for a speaker cable I wish I would've waited.  Also interconnects, the shorter the better?

do the lengths when they are 12 feet or less really matter when it comes to speaker or interconnect cables?