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Scott A-436 Amplifier

tomii95 -
Char Snipeur Posted messages 10112 Registration date Status Contributor Last intervention - 27 Nov 2013 at 20:55

Hello
I would like your opinion because I would like to replace a Denon PMA 250 SE with a Scott A-436. Is this a good choice?

2 answers

Answer 1 / 2

Char Snipeur Posted messages 10112 Registration date Status Contributor Last intervention 1 331

Hum... let's see. I really like the look of the Scott, except for the black buttons.
http://www.audiovintage.fr/leforum/viewtopic.php?f=74&t=2795&start=10
The Denon seems more ordinary, with a topic on a "neighbor": http://www.audiovintage.fr/leforum/viewtopic.php?f=74&t=21962&start=10
The right choice will be to take the amp that you like the most. But I don't think it's a bad choice anyway.
--
True submission is when slaves worry about the price of cotton.
Char Snipeur

tomii95

Yes, the look is great, but what about the sound?

Char Snipeur Posted messages 10112 Registration date Status Contributor Last intervention 1 331

Read this http://www.stef.free.fr/hifi/pages/ScottA436.html :
A nervous and precise machine, very pleasant with a good dynamic accompanied by slightly metallic accents.
What is highly appreciated is that the punch of this Scott perfectly manages low-efficiency speakers.
At this level of equipment, there is really no better or worse, just what you prefer.
In terms of sound, it will be different, but not worse. The best thing is to listen. A seller of amplifiers who refuses to let you listen before purchasing: DANGER.

Answer 2 / 2

sawsix Posted messages 4824 Registration date Status Member Last intervention 1 035

The Scott brand made "dry" amplifiers, not very recommended for JMLab, the sound will be too focused on the bass..

Your Denon will work very well with the Chorus 714!

Now regarding power, the Denon has a small power supply of 80 Watts max which leads it to develop 2x13Wrms under a 4 ohm load (approximately 2x6Wrms under an 8 ohm load) it's suitable for a small room of 10/15m², for a larger room it can develop much more but by replacing the power supply.
It has a pair of mono transistors "2SC3853" of 30Wrms (4ohms) that operate at 80V in short you can put a transformer of 2x40V~200VA:
http://www.mixelec.fr/article-82450-transformateurs-toriques-tst200w-2x40v.html

Or you can replace it with a "soft" amplifier that is more powerful:
http://www.leboncoin.fr/image_son/551546775.htm?ca=12_s

Char Snipeur Posted messages 10112 Registration date Status Contributor Last intervention 1 331

It's a scam; it's rated for 2×30 W (8 Ohm)!
The Focal speakers have an efficiency of 91 dB/W, which is quite good. At my place, JMR Euterpe 90dB/W + Atoll 100 in a 27m² room: with 1W per channel, that's already a lot of volume. For a small room, 10W (real) is more than enough.

As for dryness, it depends on individual preference; I like it (proof: my setup) – it's a matter of taste. Anyway, it's risky to comment on a speaker+amp combination without listening to it; sometimes you get surprised.
It's true that if you don't have the speakers, it's quite complicated. Otherwise, you can go to a store with the amp to test the speakers and see which ones sound the best. I think you should start with either the amp or the speaker to choose the other.

tomii95

I have already listened to a Scott A 457 on Altea ESW triangles and I found the sound very good!

sawsix Posted messages 4824 Registration date Status Member Last intervention 1 035

On triangles, but I don't think the sound with jmlab is that good!

tomii95

for what reason? too low?

sawsix Posted messages 4824 Registration date Status Member Last intervention 1 035

A pregnant speaker association is made only by "taste," not by "rumor"; each speaker/amplifier couple has its own sound, which can be pleasing or displeasing...

Scott A-436 Amplifier

2 answers

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