Old member, new to posting on Audio Circle

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Bsound

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Old member, new to posting on Audio Circle
« on: 1 Oct 2025, 10:06 pm »
Hi All,

New to AVA, placed my first order today and wanted to say Hey.

I've been checking in here on Audio Circle from time to time over the years and have found it helpful in researching gear. I figured it's high time I made my obligatory first introductory post.

I ordered a pair of DVA-M225 Monoblock Amps and the R2X converter box after reading a bit about them here. Went to the AVA website and there was a pair of demos at a discount. When I saw them I couldn't refuse. Grateful to everyone who has shared their experience here on Audio Circle!

Just a few days ago I purchased a Denafrips Iris DDC on US Audio Mart from James (I just noticed him here on Audio Circle - alexandria2863). When I clicked on the DDC link James' AVA Fet Valve CFR Preamplifier up for sale also caught my eye.

I was first introduced to AVA gear by a gentleman on Ascend Acoustics forum (Mag_Neato on that forum). Hope I'm not dropping too many names here  :lol:  Mag_Neato has had nothing but great things to say about the Audio by Van Alstine DVA-M225 Monoblock Amps.

Now that the Amps are on the way I'm thinking I will pick up the Fet Valve CFR preamp in a month or so when I'm flush with cash again. In the meantime I'll temporarily use the preamp-outs from my Musical Fidelity M6si or Yamaha RX A-3080 I guess. I think that'll work.

Currently running a pair of Ascend Acoustics Sierra LX's. They are powered with the Musical Fidelity M6si, fed by a Denafrips Pontus 15th with the (new to me) Denafrips Iris DDC all plugged into a M4 mac Mini. Streaming from my music library of ripped CD's and Apple music purchases over the years. I've only had the Ascend LX pair for a few months though and they amaze me every day. Looking forward to hearing those though the AVA monoblocks!

I've fairly recently transitioned from a HT setup to strictly 2 channel listening facilitated by those LX's. Moving on from Yamaha RX-3080 and a Rythmik F-12 SE Subwoofer and Sierra 2 EXv2, with Sierra Luna V2 surround speakers.

Pretty excited about upping the ante on 2 channel listening with AVA gear!

Cheers, Bruce
« Last Edit: 2 Oct 2025, 10:24 am by Bsound »

ArthurDent

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Re: Old member, new to posting on Audio Circle
« Reply #1 on: 2 Oct 2025, 05:29 am »
Cheers & Welcome to posting Bruce  :thumb:  I think you'll be completely delighted with the M225s. I love mine, use them mostly in the summer months to give my tube rig a rest and to save on A/C. I also run a first gen Fet Valve CF built in my original T-8 chassis. I'm sure you'll be happy with that as well. Enjoy the music.  8)

SteveFord

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Re: Old member, new to posting on Audio Circle
« Reply #2 on: 2 Oct 2025, 08:41 am »
I can't speak about the amps but I'm pretty sure you'll like that preamp.

NIGHTFALL1970

Re: Old member, new to posting on Audio Circle
« Reply #3 on: 2 Oct 2025, 12:04 pm »
Bruce,
I’ve had my M225s for almost three years and they are absolutely fantastic! I am sure you will like them. If you don’t have two Rythmik F-12 SE Subwoofers then I would get a second one as two sound wayyyy better than one. Maybe you should have four.🤟

Bodhi

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Re: Old member, new to posting on Audio Circle
« Reply #4 on: 2 Oct 2025, 12:28 pm »
Welcome to the forum Bruce, and good to see your enthusiasm for audio :beer:.

BadDNA

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Re: Old member, new to posting on Audio Circle
« Reply #5 on: 2 Oct 2025, 01:21 pm »

I was first introduced to AVA gear by a gentleman on Ascend Acoustics forum (Mag_Neato on that forum). Hope I'm not dropping too many names here  :lol:  Mag_Neato has had nothing but great things to say about the Audio by Van Alstine DVA-M225 Monoblock Amps.

Now that the Amps are on the way I'm thinking I will pick up the Fet Valve CFR preamp in a month or so when I'm flush with cash again. In the meantime I'll temporarily use the preamp-outs from my Musical Fidelity M6si or Yamaha RX A-3080 I guess. I think that'll work.

Currently running a pair of Ascend Acoustics Sierra LX's. They are powered with the Musical Fidelity M6si, fed by a Denafrips Pontus 15th with the (new to me) Denafrips Iris DDC all plugged into a M4 mac Mini. Streaming from my music library of ripped CD's and Apple music purchases over the years. I've only had the Ascend LX pair for a few months though and they amaze me every day. Looking forward to hearing those though the AVA monoblocks!

I've fairly recently transitioned from a HT setup to strictly 2 channel listening facilitated by those LX's. Moving on from Yamaha RX-3080 and a Rythmik F-12 SE Subwoofer and Sierra 2 EXv2, with Sierra Luna V2 surround speakers.

Pretty excited about upping the ante on 2 channel listening with AVA gear!

Cheers, Bruce

Well, that Mag_Neato "Gentleman" sounds like a wise fella!! 8)

I would 2nd the suggestion to go with 2 Rythmik F12's....... if budget allows, I know those have gone up a bit in cost. I'm running 2 of those with my Sierra-2EX V2's. Have them EQ'd/controlled by a MiniDSP 2x4HD with filters imported from REW.

You are gonna LOVE those M225's!

peter4jc

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Re: Old member, new to posting on Audio Circle
« Reply #6 on: 3 Oct 2025, 04:48 pm »
Don't sleep on the Fet Valve CFR preamp; it's a match made in heaven w/ the M225's.

Bsound

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Re: Old member, new to posting on Audio Circle
« Reply #7 on: Yesterday at 04:47 pm »
Hello and thank you all for the warm welcome!

I've had these Audio by Van Alstine DVA M225's now for nigh on three weeks, playing incredibly fun and delicious music with the new AVA amplification every chance I get. I have to tear myself away from each listening session to actually do other things in life that need doing and enjoying. LOL. It's really been THAT good. I've done a lot of work in trying various adjustments and setups and have found what sounds best to my ears for now.

Absolutely love the upscaled sound signature and "new life" that has come into my system in so many ways. I'll share some of the changes in my experience including sound stage widening and deepening, instrument separation and location, completely lack of background noise and just the right amount of clarity and brightness for my taste at both low and higher volumes - just to name a few.

I've tried both of my Ascend Acoustics speaker pairings at length, the Sierra 2EX-V2's and the Sierra-LX's. Both sound even better than I've ever heard them before - playing through the 225 amplifiers. And the addition of the one subwoofer makes that improvement even more enjoyable!

The one downside, and an interesting one to me, is that a certain percentage of the music that I've been listening to is suddenly exposed as being poorly recorded. I hadn't heard that before in listening to many recordings that are now unlistenable (or at least a bit annoying) in any of the historical iterations of my home sound systems over the decades. The good news is that the "good recordings" are also that much better! I'd been completely happy with my system thus far, blissfully not knowing what I was missing...

Long story short, I'm inspired to move forward get my accompanying gear and other aspects of the system to match up to the improved sound-quality provided through these AVA monoblocks. I'm confident that implementing many of the suggestions ya'll have made would likely improve this system even farther towards new levels of enjoyment.

Appreciating everyone's input in regard to my first post, I am in a bit of conundrum (in a good way) and would be happy to hear anything you'd care to share in regard to my current situation.

As I mentioned in my first posting here I plan to add a preamp. Until I have the funds for that, so far I've tried using both the preouts from my Musical Fidelity M6si 2 channel integrated, and those on my old Yamaha RX-A 3080 AVR receiver. Both show starkly noticeable improvement over using their respective internal amps. I've settled in on using the Yamaha preouts.

The Yamana wins by a good margin. I've come to discover a difference through sound level matching and comparing over and over. The ultimate difference I think is at least partly due to the bass management of the Yammy and inclusion of my one Rythmik F12 SE subwoofer. Both sets of speakers sing like I've never heard them before. (no apologies Mag_Neato, your words fit perfectly here)

A couple of you had suggested adding a second (and third and fourth) subwoofer. I've considered that for a while but now can see the big advantage of that given the noticeable and enjoyable improvement via the 225's. I have been doing the math, the F12 SE sub has doubled in price since I purchased the one have now, but I'm thinking the added cost of one more sub will be worth saving up for.

What I am considering is whether I purchase the Parasound P6 (haven't really found any other viable options) for a preamp with bass management including both high and low pass filters. I also want to put in the effort to understand your suggestion Mag regarding "having them EQ'd/controlled by a MiniDSP 2x4HD with filters imported from REW." I am intrigued with going that route.

My dilema: I was counting on making my next purchase the AVA Fet Valve CFR preamp as I had mentioned in my first posting. I figure the synergy alone with the 225 monblocks would be a game changer. How might it be possible or feasible to add the tube pre while also including the extra subwoofer and the most crucial (as I see it) bass management that would come with the P6?

Considering all the options here within timing and budgetary restraints, thought I'd throw that out there if anyone would care to share their perspective or not, and again, many thanks to everyone here on Audio Circle!

I've also been in contact with AVA via email expressing my condolences on their loss of Frank, and sharing my experience with the M225's so far and exploring the options for my potential future purchase of the CFR preamp.

They have been super friendly and helpful! I wish everyone at AVA all the best moving forward.

BadDNA

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Re: Old member, new to posting on Audio Circle
« Reply #8 on: Yesterday at 06:47 pm »
Hello and thank you all for the warm welcome!

I've had these Audio by Van Alstine DVA M225's now for nigh on three weeks, playing incredibly fun and delicious music with the new AVA amplification every chance I get. I have to tear myself away from each listening session to actually do other things in life that need doing and enjoying. LOL. It's really been THAT good. I've done a lot of work in trying various adjustments and setups and have found what sounds best to my ears for now.

Absolutely love the upscaled sound signature and "new life" that has come into my system in so many ways. I'll share some of the changes in my experience including sound stage widening and deepening, instrument separation and location, completely lack of background noise and just the right amount of clarity and brightness for my taste at both low and higher volumes - just to name a few.

I've tried both of my Ascend Acoustics speaker pairings at length, the Sierra 2EX-V2's and the Sierra-LX's. Both sound even better than I've ever heard them before - playing through the 225 amplifiers. And the addition of the one subwoofer makes that improvement even more enjoyable!

The one downside, and an interesting one to me, is that a certain percentage of the music that I've been listening to is suddenly exposed as being poorly recorded. I hadn't heard that before in listening to many recordings that are now unlistenable (or at least a bit annoying) in any of the historical iterations of my home sound systems over the decades. The good news is that the "good recordings" are also that much better! I'd been completely happy with my system thus far, blissfully not knowing what I was missing...

Long story short, I'm inspired to move forward get my accompanying gear and other aspects of the system to match up to the improved sound-quality provided through these AVA monoblocks. I'm confident that implementing many of the suggestions ya'll have made would likely improve this system even farther towards new levels of enjoyment.

Appreciating everyone's input in regard to my first post, I am in a bit of conundrum (in a good way) and would be happy to hear anything you'd care to share in regard to my current situation.

As I mentioned in my first posting here I plan to add a preamp. Until I have the funds for that, so far I've tried using both the preouts from my Musical Fidelity M6si 2 channel integrated, and those on my old Yamaha RX-A 3080 AVR receiver. Both show starkly noticeable improvement over using their respective internal amps. I've settled in on using the Yamaha preouts.

The Yamana wins by a good margin. I've come to discover a difference through sound level matching and comparing over and over. The ultimate difference I think is at least partly due to the bass management of the Yammy and inclusion of my one Rythmik F12 SE subwoofer. Both sets of speakers sing like I've never heard them before. (no apologies Mag_Neato, your words fit perfectly here)

A couple of you had suggested adding a second (and third and fourth) subwoofer. I've considered that for a while but now can see the big advantage of that given the noticeable and enjoyable improvement via the 225's. I have been doing the math, the F12 SE sub has doubled in price since I purchased the one have now, but I'm thinking the added cost of one more sub will be worth saving up for.

What I am considering is whether I purchase the Parasound P6 (haven't really found any other viable options) for a preamp with bass management including both high and low pass filters. I also want to put in the effort to understand your suggestion Mag regarding "having them EQ'd/controlled by a MiniDSP 2x4HD with filters imported from REW." I am intrigued with going that route.

My dilema: I was counting on making my next purchase the AVA Fet Valve CFR preamp as I had mentioned in my first posting. I figure the synergy alone with the 225 monblocks would be a game changer. How might it be possible or feasible to add the tube pre while also including the extra subwoofer and the most crucial (as I see it) bass management that would come with the P6?

Considering all the options here within timing and budgetary restraints, thought I'd throw that out there if anyone would care to share their perspective or not, and again, many thanks to everyone here on Audio Circle!

I've also been in contact with AVA via email expressing my condolences on their loss of Frank, and sharing my experience with the M225's so far and exploring the options for my potential future purchase of the CFR preamp.

They have been super friendly and helpful! I wish everyone at AVA all the best moving forward.

Well, I wouldn't wish the process of running REW, creating filters, importing to the MiniDSP, etc. etc. on my worst enemy, unless, of course, you are a masochist! Seriously, if you are familiar with the original Star Trek episode, "Spock's brain", I would equate the experience to that, in that I attained the knowledge to do what I needed, but that knowledge left my brain once the process was done.

In all seriousness, here's how my system is setup:
 - My DAC connects via XLR to the P6
 - XLR out from P6 to M225's, Hi-passed at 80hz so nothing below to the M225's feeding the Sierra-2EX V2's
 - Sub out low passed at 80hz into the 2X4HD (This way only the subs are being EQ'd/filtered by the 2X4HD)
 - 2 outputs used from the 2X4HD, 1 to each Rythmik F12

Took a lot of playing around with sub positions, REW freqeuncy sweep measurements, and that's after I watched many youtube tutorials on how to set up the MiniDSP with REW. My brain about oozed out of my ears.

The end result seems to have been worth the pain. Two buddies who have FAR more invested in their setups have heard my system and were very impressed.

peter4jc

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  • AVA DVA-M225's & Fet Valve CFR
Re: Old member, new to posting on Audio Circle
« Reply #9 on: Yesterday at 08:12 pm »
I've often toyed with the idea of learning REW and adding in a MiniDSP.  But (for now, at least) I've learned to be content, realizing that 'perfect' is not willing to expose herself.  Add to that, I'm way more than happy as things are now.  I'm asking myself, "What needs improving?" and coming away without an answer.  It could be that my room (13x18x8) has always been a good listening room, and the few panels I've added for first reflection points on side walls and the ceiling, as well as the front wall, are doing their job well.

I've never understood the reasoning behind hi-passing the mains if they are happy playing the low-end and do so accurately.  My two subs, PSA S1512M's, blend well.  The CFR Fet Valve has to sets of R/L outputs; one set goes to the single-end to differential converter the M225's need, and the other set of R/L outputs go into Y adapters sending the same signal to both subs.

I'm sure some would critique the way things are set up, and maybe find some flaws in the overall sound.  But the point I want to make is that I've stepped of the "upgrade bus" looking for best and enjoying better-than-average, and hope all of us can enjoy the music.

Bsound

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Re: Old member, new to posting on Audio Circle
« Reply #10 on: Yesterday at 11:40 pm »
Good to know how far beyond plug and play it is programing REW into Mini DSP. Probably not something I'd put the energy into for now.  :thumb:

As for the upgraditis I'm currently dreaming into reality, I'll take it down a notch and continue to enjoy where I've come for now.  8)  Perhaps staying with the original plan to add the CFR FET Valve as the best next step. I'll see how that sounds with and without the subwoofer, eventually maybe adding another sub and connecting them up up as you are Peter.

I have been running the Sierrra LX pair with and without the subwoofer. Perhaps its more placebo than real but I do seem to hear a greater amount of detail when the bass is filtered out to the subwoofer. Either way they sound very very good to me - and much more fun now with the monoblocks!