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Vandersteen, DNA & SMcAudio (AKA "Mod Squad")

Just had an "interesting" conversation with SMCAudio (04/10/18).

I had just picked up a pair of cloth Quatros the end of 2017, and picked up DNA 0.5 for those Quatro a couple weeks ago (mid/late March 2018). I had the seller send the amp directly to SMcAudio for the full "Gold" upgrade (+ Balanced inputs, +additional Cardas Binding Posts for bi-wiring). 

What was interesting about the conversation was, without seeing, or conversation with anyone else, I thought I had imagined all on my own, adding a switchable "high-pass filter" for the Quatro's into the amp. During that conversation, I was told that my amp was one of three currently in there for upgrade, of which all three were going to be used on Vandersteen Treo's, Quatros, or Model 5's. Even more interesting, I was told that all three customers had requested the same type "high-pass filter" upgrade for their Vandersteen speakers.

There seems to be a belief that upgraded DNA's are a good match with Vandersteen speakers.... I did this mostly blind. Is there a consensus out here, or is there one just now forming?
kmckenn
hifiman5's avatar
hifiman5
1,836 posts
 
@kmckenn   What a timely post for me to you.  I just had my DNA-1 upgraded by Steve and Co. at SMc Audio after 21 years of ownership and two previous visits to SMc Audio.  Steve and Co. completely revamped my vintage amp.  And yes, I am using it with Vandersteen speakers.  Specifically the Treo CTs with two 2wq subwoofers.  Vandersteen Audio and McCormack have a long history together.  They showed together for many years at various audio shows along with Audioquest.  I never discussed the high pass filter with SMc.  I use the Vandy H5-MP crossover to great effect with my Treo CTs and 2wq subs.  I am ecstatic with my new amp. and revel in its clean, spacious reproduction of music. 

I hope you enjoy your's!!  (Give it about 2-3 weeks of heavy usage to fully realize the clarity of the gem)
gdnrbob
4,506 posts
 
+1 Hifiman,
I, too, have the Treo's and 2wq subs using the crossover.
The nice thing about SMc is that they will upgrade your component to match the speakers and related equipment.
You did well for a 'blind' upgrade.
What is your preamp?
B
hifiman5's avatar
hifiman5
1,836 posts
 
I have an extensively modified cj PV12L line stage. All modifications were done by Bob Backert.  
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