2. amps-preamps
  3. 129708-90127

Thinking of replacing my Bat spaceheater with class D, real world thoughts please

Ok so I know there are already lots of threads on class D both negative and positive

As I have had a very positive result with replacing the ss amps in my ht rig with a single tiny Nuforce class D amp I was tempted to look into the same for my stereo rig.

This is a little more difficult as my present amp is a BAT VK600SE, 120LB of muscle and heat.

Now I am in love with my present sound but still am very curious if class D could do anything for me as it certainly did in the ht rig although those ss amps were not in the BAT league to start with.

So I would like to hear from people who have actually gone this route, replaced their expensive, heavy, power consuming amps with tiny little cold running boxes and what their results were.

Was it uplifting, about the same or make you wish you had never heard of class D!

128x128uberwaltz
madavid0
214 posts
 
The key factor is that class D is physically, mathematically inferior to class A-A/B.

That's not to say you can't accept the inferiority for the sake of something you value over absolute sound quality.
jafant's avatar
jafant
19,719 posts
 

uberwaltz-


it is interesting that you do not use a B.A.T. pre-amp?

When I think about owning a REX...


Happy Listening!

uberwaltz's avatar
uberwaltz OP
13,381 posts
 
@jafant 
I do not use a BAT pre simply because the mc. c48 is a all in one solution and was a big step up from the older arc ls2b I was using previously.
I considered BAT pre of course but the c48 let me get rid of 2 other boxes and simplfy matters. it has 4 digital inputs, mm and mc inputs and a headphone output so i could get rid of my phono stage, headphone amp and run the vault straight into the c48.

@asvjerry 
TBH I am not really asking if I will like it or not, that is obviously all up to the individual and their system but rather just others views who have gone this route from possibly years of ss or tube power amps.

One thing I may do as I have a nuforce multi channel amp in the ht rig is pull it and install in the stereo just to see. would mean running rca connects but could be a worthwhile test......
asvjerry's avatar
asvjerry
4,670 posts
 
There you go, a relatively quick, down 'n dirty, and cheap test.  Throw various 'n sundry selections and media (CD, LP. etc.) at it, turn it up 'n down, play with the eq..   Even if it's not 'perfect', you'll at least get familiar with it. *S*

Sounds like a fun afternoon or evening project.  And a rationale for making some noise. *L*
rhljazz
1,255 posts
 

My winter system is a BAT VK55 with ESP speakers.  I change speakers and amp for summer use.  Summer is W4S ST500 with Nautilus 802's.  The sound is different for sure but I really enjoy both systems but for different reasons.  With the N802's the ST500 is superior to the Classe amps I had prior.  The ST500 sounds best in my system with an Audioquest NRG10 power cord. 

Therefore you might consider keeping your beloved BAT for use in the cooler months and adding a class D amp for summer.  I'm sure you can find something reasonable in price to try.  Then you will know for sure how they compare.  I purchased the ST500 new from Underwood Hi Fi for around 1600.00 and I'm very pleased with it.   

My preamp is tubed (VAC) and all interconnects and speaker cables are the same between systems.  I do change power cords and I alter the room treatment adding tube traps to the front wall corners due to the N802 ported bass.  So minor changes between the BAT and new class D amp may be required.

The efficiency of class D is certainly welcome for this desert dweller.   

More to discover