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Crown Amps, the hype is real!

lms said:
I bought a crown xls PA, but I also have CV D-9 speakers. Pretty much sums up my non audiophile nature. Fans have never come on, or maybe they have, not sure I could even hear them when its cranked up.
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Considering the D9 is rated at 101dB sensitivity, you would need very little power to get them very loud. Not surprised if the amp fan never came on for home use.

lms said:
Question, where does everyone have the volume knobs set, I read 3/4's which is where I have mine.?
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Where did you read at 3/4 position? If you have audible noise in the system chain before the amp, and you want it absolutely quiet at low level passages, *and* you don't have a problem driving the amp as loud as you'll ever need, then turn down the amp knobs as far as suits your taste.
 
Cool, thanks. Never had them at full. At 3'4's I can bear about 2/3's on the pre-amp and that's about it unless I want to blow my ears out. No noise that I can hear at any level, but I'm not really all that tuned into this to be honest.
 
lms said:
I bought a crown xls PA, but I also have CV D-9 speakers. Pretty much sums up my non audiophile nature. Fans have never come on, or maybe they have, not sure I could even hear them when its cranked up. Question, where does everyone have the volume knobs set, I read 3/4's which is where I have mine.?
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The loudness from a given position on the volume control is only comparable to itself. A volume level of 10 O'clock may be call the cops loud with Klipsch speakers and just above conversational level with a pair of NLA's.

If you want to use a figure that relates to others, express your listening level in dB's measured at your chair. There are plenty of free SPL Meter (sound pressure level) apps for a cell phone that allow you to measure the level.
 
We talking about power amp level controls? heck there is the preamp or the device feeding the amp that has volume adjustment, too.

The goal is to have a usable volume control that you use. One that is adjustable on the low volume side when needed and will not run out of room or go so high that all the noise in the rig comes through when you need to crank it.

Volume control I use is from 7:00 to 1:00 for quiet to loud and I have room for very loud if needed or if the source is quiet without exceeding 3:00 when all the noise can be part of the sound.

Set the amp level controls for convenience.
 
My last post was referring only to preamp level settings.

Even so, the position of a level control can only be referred to itself.

When it comes to expressing how loud something is a figure expressed in dB's is the only way to make comparisons.
 
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I loved the fan in the PSA-2 that ran on low speed unless needed. I cleaned the unit to like new for proper cooling and when I was listening the fan would run low. When I cranked it the fan would eventually switch to high speed, not heard, I was cranking the tunes but on the area between songs on the record I would hear the fan and hear it drop back to low speed...in the time of the gap between songs on a record. Sweet.
 
Every Crown amp I've owned has described the controls as "input attenuator". I was once educated by a Crown engineer to set the power amp attenuators so that at normal to loud listening levels the pre-amp volume pot would be in the 9 o'clock to 3 o'clock range.
 
Frank Sol said:
That is an EU restriction I believe

This will help


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thank you. worked like a charm

p778gBb.jpg
 
BMWCCA said:
Every Crown amp I've owned has described the controls as "input attenuator"...
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Input attenuators, level controls, gain controls...

While the technical function is to attenuate the input signal, there is no big deal to be made (not that you necessarily are but some have, vehemently) against using "level control" or "gain control" as they most certainly alter the ratio of output level at the speaker connectors to signal level at the input connectors (net gain).
 
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whoaru99 said:
Input attenuators, level controls, gain controls...

While the technical function is to attenuate the input signal, there is no big deal to be made (not that you necessarily are but some have, vehemently) against using "level control" or "gain control" as they most certainly alter the ratio of output level at the speaker connectors to signal level at the input connectors (net gain).
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Absolutely. The purpose being to match the gains to lower the noise floor.
 
Pro amps in the hizzle crib:

- Crown PowerBase 1
- Crest CA-6
- QSC RMX 1850 HD

Made money with all of them in my gigging days, they are not going anywhere as long as I am standing and breathing. Crown has one blown channel, needs a trip to local tech, still use the good channel to power a bass cabinet. The Crest and QSC run the pro rig, subs and tops.
 
PabloTincho said:
I am trying not to get the wife mad, if she is going to get mad, it has to be a really good amp
I saw a few videos of the 800 and the fan is very loud
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I guess I've been spoiled. In over 50-years of running Crown amps in my 2-channel systems I've never owned an amp with a fan. Now I have the Studio Reference-II and I have yet to hear the fan, or heard of anyone ever hearing the fan run in theirs, either!
 
If not I can go for this one, but I am going to need a bit more power

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