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View Full Version : New boy on the rack - Consonance R150



julesd68
02-10-2012, 10:34
There's a newcomer on my rack - a Consonance R150 hybrid amplifier, and very interesting it is too!

It has a 6H30 valve pre-amp stage which feeds a 120W solid state power amp. Build quality is typical Consonance. I really like the curved slats of wood which form the amp's cover. The front brushed-aluminium fascia is nice and minimalist; the input selector and volume control have a great quality feel about them. Very handy is the remote control which has the feature of being able to control my Consonance cdp, on the rare occasion that I listen to it.

So, onto sound quality. What struck me immediately is the improvement in bass. There's much more of it than with my 405-2, and it's also much better defined, making music more rhythmic and engaging. Stereo imaging is significantly improved, and not surprisingly, it's more open and dynamic sounding than the 405-2. This is good and bad. The Quad has a definite "midband magic", and I have noticed a little hardness and grain to the R150 midband, but this is improving all the time. The amp, being an ex-review model, hasn't many hours on it at all, and definitely needs longer for the valve and electronics to burn in. I feel there is great potential here. One thing I have done is to order a upgrade valve to replace the stock Sovtek 6H30 - there's a gold pin EH 6H30Pi on the way which has a very good reputation, and am hoping this will help in sweetening up the midband.

The amp is certainly much more demanding of source material than the 405-2, which tends to sugar coat all recordings with a warm glow and make them sound good. Using the R150, I have found much more variation in the quality of my classical lp's. Also, it works superbly with my Quad tuner for long, relaxing listening sessions …

Another thing I like about this amp is that long term it offers a great upgrade path. When funds allow, I'm going to bi-amp. The power amp on the R150 will take care of the bass duties, whilst higher frequencies will be handled by a 2A3/300B/211 amplifier. I'd like this to be a Consonance model ideally, but might well have to start with something a little more modest. Can't wait to try this out!

It's also a big thumbs up for Ian at AA Acoustics :thumbsup: (formerly Alium Audio). Firstly, for giving me an excellent deal on this amp and secondly, he has answered all of my (many) questions promptly and helpfully. Highly recommended.

The Grand Wazoo
02-10-2012, 17:49
Sounds good Julian.
We'd really like some piccies - any chance?

julesd68
02-10-2012, 18:06
We'd really like some piccies - any chance?

Yes, I'm planning on taking some pix when I take the amp off the rack to install the new tube ... My rack is in the worst possible place for photos, as it misses out on most of the natural light in the room.

julesd68
04-10-2012, 15:04
Here are a few pix as promised ...

http://farm9.staticflickr.com/8452/8053792745_b4e6cc3032_b.jpg (http://www.flickr.com/photos/34449145@N05/8053792745/) DSC_1051 (http://www.flickr.com/photos/34449145@N05/8053792745/) by Mmmmarmite (http://www.flickr.com/people/34449145@N05/), on Flickr

http://farm9.staticflickr.com/8036/8053795412_cf87b8aaa3_b.jpg (http://www.flickr.com/photos/34449145@N05/8053795412/) DSC_1052 (http://www.flickr.com/photos/34449145@N05/8053795412/) by Mmmmarmite (http://www.flickr.com/people/34449145@N05/), on Flickr

http://farm9.staticflickr.com/8322/8053790985_9175bdec06_b.jpg (http://www.flickr.com/photos/34449145@N05/8053790985/)
DSC_1053 (http://www.flickr.com/photos/34449145@N05/8053790985/) by Mmmmarmite (http://www.flickr.com/people/34449145@N05/), on Flickr

julesd68
05-10-2012, 12:54
Now listening to Rush at a significant volume - we are rocking now!! :hairmetal:

The EH 6H30Pi upgrade tube, despite its modest cost, has proved a great investment! The midband is much more refined and lucid than with the stock Sovtek tube - all the hardness and grain is all but gone ... The dynamics are just so alive and the bass is kicking.

Really looking forward to spending much more quality time with my R150. :)

realysm42
05-10-2012, 18:57
It's purdy.

Do you mind me asking how much?

julesd68
06-10-2012, 09:08
It's purdy.

Do you mind me asking how much?

Hi Martin,

RRP is £1795 on the amp - I got a special offer of £895 as it had been used for a few hours for reviews ...

julesd68
18-10-2012, 17:43
Had a really good listening session today. :)

What is definitely holding true is that the amp is masses more revealing than the 405-2 and is much less forgiving of recording quality ...

For example, today I decided to try one of my favourite Rush lp's "A farewell to Kings". I had to turn down the high volume I had been enjoying with my classical music immediately. The guitars were really grating. So I swapped over to Led Zep's "Houses of the Holy". I found the sound to be fuller, much more rewarding with greater range, and could play it at the kind of volume I enjoy! The Quad would have made both lp's sound fairly similar with its trademark warmth. Incidentally, the Rush lps from the 1980's like "Signals" sound awesome on my system.

This is all a fairly new experience for me - do any of you also find that your gear is "unforgiving" of diverse source material in the same way??

Tarzan
18-10-2012, 18:07
That is a pretty amp -enjoy.:)