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Adam T5V Review (Studio Monitor)

Hi there, mates. This is my first post. I've been reading reviews and whatnot and it's been very illustrative. Thank you all for sharing your knowledge.

I have a doubt about these T5V. The preference score is well below the JBL 305P mkII or the Pioneer DJ VM-50. But the conclusions of the review are somehow suggesting it's maybe better than those.

I've also read here and there that the hiss in these monitors is very loud for near field uses.

So, now that I'm thinking on (maybe) buying a budget pair of monitors, my mind is a mess. I don't know if it's better value to go the JBL way, or the Adam, or even some M-Audio I've been reading about too, or the Pioneer...

Should I not pay too much attention to the preference score?
 
Should I not pay too much attention to the preference score?
Preference score only rates frequency response and directivity, and ignores all other parameters like distortion, headroom, impulse response etc.

Additionally, preference score differences that are less than 1.0 are basically meaningless.

Use the preference score as a very rough guideline to see which speakers are well tuned (>4.0) and which are not (<3.0).

Before you make a decision though, look at the actual measurements in detail.

Adam has slightly worse on-axis response than JBL, but their woofers are much more competent and can play louder with less distortion.

If you have access to EQ/PEQ in your system, then on-axis frequency response becomes much less important as that can be easily corrected.

Other parameters like directivity, distortion, bass extension take priority then.
 
FWIW I have owned a pair of ADAM A7 active speakers for 10 years. I used them originally as desktop speakers fed from a BENCHMARK DAC 1 HDR in my home office. My son now has them in his home recording studio fed from a BENCHMARK DAC 2 and an Apogee Duet.

Never missed a beat in all that time - great sound and excellent reliability.

I haven't heard the TV5V but based on my own experience with Adam speakers, and my trust in Amir's reviews, you could comfortably match them with a Topping D50s or E30s (say) or a second hand Benchmark (if you want support US industry). Connect via USB to your home computer or Raspberry Pi and you would have a complete "transparent" desk top / small room system that would provide immense joy to any music lover for between US$600-$1,000.

This puts into perspective the nonsense that you have to spend huge amounts of money (as promoted by some hifi magazines and forum sites) to achieve hi-fidelity.

More on this topic from Archimago's latest blog:

Over the years, I think we've covered a lot of material here and while there's more to say and do, as a "more objective" audiophile, there's also a limit to how much I actually care once some answers have been found to satisfy my curiosity. This is perhaps one area of difference between an "objectivist" from the pure "subjectivist". Unlike magazines that seem to tout "best sounding amplifier ever" in perpetuity, the objective audiophile I think recognizes that at some point, this is simply not possible and in fact rather silly; there is such a thing as "more than good enough"... I know, the "high end" audiophile industry will be unhappy with this assessment! After all, how can one imagine that they might not be able to keep using the "best sound" argument as a selling point for the next generation of products?!

Around 2013, with the advent of the transition to asynchronous USB DACs, we have been able to follow the improvements in jitter performance. With the advent of inexpensive SBCs like the Odroid and Raspberry Pi, we have followed the evolution of high quality streaming and recognized that the digital source really doesn't affect sound quality significantly with good DACs. We have followed the hype of Pono and discussed the questionable need for "hi-res audio". We have looked at the (IMO) scams of audiophilia like MQA, talked about the decades of snake oil, examined Synergistic stuff, and silly software like JPlay. Along the way, we've explored the more pedestrian topics like whether lossless formats sound the same, evaluated cables (both analogue and digital variants, argued with silliness), the minimal differences USB hubs made, discussed ethernet switches, explained about "bits are bits", and countless musings related to the audiophile press and their typical irrationality plus expressed the philosophy of achieving high fidelity and how we can approach it as hardware enthusiasts. We've looked at the microscopic impulse responses, understood what digital errors sound like and I think stopped worrying about jitter. We've discussed DSP room correction, evaluated server-side software (like Roon and computer-related stuff), and even done a few other blind tests along the way! Hey, we've even "infiltrated" audio shows hereand there with commentary as a "more objectivist", visited dealerships locally, in North America, and abroad.

After 8 years of running this blog, personally, I'm glad to have collected a heck of a lot more knowledge and experience, and worried a lot less about the minutiae that actually make no difference by exploring the principles rather than holding on to beliefs and following suggestions because someone (Golden Ear? Audiophile High Priest?) said so. I hope you've benefitted from these thoughts and measurement results as well. For the most neurotic among us (myself included), I hope you're much less anxious about the "high-fidelity" hobby and finding yourself well along the way to being liberated from many of the unsubstantiated beliefs so readily promoted as "truths" over the decades.
beautifully written, good stuff my friend thank you
 
The speakers didn't change their sound, you just adapted to them.

Cheers
No, I was listening to albums I've known for decades. An example being Still Life by VDGG which I bought the day it came out. I know this album inside out and I know when it doesn't sound good. I was off work and so I was able to play albums on rotation for several hours a day. The sound definitely changed.
 
No, I was listening to albums I've known for decades. An example being Still Life by VDGG which I bought the day it came out. I know this album inside out and I know when it doesn't sound good. I was off work and so I was able to play albums on rotation for several hours a day. The sound definitely changed.
Chances are much higher that your hearing sense adapted to the sound during the "burn in" time.
 
No, I was listening to albums I've known for decades. An example being Still Life by VDGG which I bought the day it came out. I know this album inside out and I know when it doesn't sound good. I was off work and so I was able to play albums on rotation for several hours a day. The sound definitely changed.
A good test to see what has really changed is to compare the sound of a given recording in the T5V and another known "reference" device.
 
I just got a pair of these.

I've been listening to music of all genres on these for a few hours. It's like listening to a pair of tuned Senheiser HD 650s but you can feel all of the frequencis instead of just hearing them. With the recommended EQ, the high end rolls off beautifully, the low end is full and punchy while being accurate down into the upper sub bass, and the midrange is clear and full.

For mixing/producing music on these, you definitely have to check on recommended headphones to make sure you're not accidentally crushing a mix with sub bass.

But for the joy of listening and being able to FEEL the frequency response of well recorded music accurately, holy dyna.! Stunning. I am very pleased with these. I am 1,000% hooking up a record player, especially since they have RCA. Brilliant.
 
I've Refined the in room response estimation.

The Original EQ move of -3db at 5.5khz Q of 1 creates this in room estimate.
1765156085684.png


It's pretty great. But to further refine the tonality of the speaker, here's what can be done to give the speaker a roll off of 0.82dB/octave. I figured this out using the files Amir provided and analyzed the graphs.
  • –1 dB @ 700 Hz, Q 1.0
  • –2.5 dB high-shelf @ 5.5 kHz, Q 0.7
  • –2 dB @ 6.5 kHz, Q 2.0
Here is what doing this creates for an estimated in room response.
1765156210615.png

This is not drastic, but it makes a difference. The overall tilt from ~100 Hz → 20 kHz looks more continuously downward, which is a bit less “mid-forward” while keeping clarity and that controlled top end while also letting a bit of sparkle through. A lot of the issue was between 5khz-7khz, which is dealt with in the bell curve dip at 6.5kkhz that accompanies the shelf. Try it out and let me know what you think :)

I don't think there is anything wrong with the original recommendation to do a -3db shelf at 5.5khz. This just refines that recommendation to give these speakers what I think is more consistent roll off. I'm tempted to also try a +0.5dB at 350hz as that would help the lower midrange roll off more evenly.
 
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Nice bit of work there @LevityProject , thank you.

Can you also show what the on-axis response looks like before and after your EQ above?
 
I've been playing around with this using the numbers from the spinorama readouts in the OP. This refines the recommended -3db 5.5khz shelf to a level that may very well be as close to reference class as one can get for this price, and sounds wonderfully accurate to my ears. Here is the estimated in room response with the following EQ applied.
  • +1 dB @ 350 Hz, Q 1.0
  • –1 dB @ 700 Hz, Q 1.0
  • –3 dB high-shelf @ 5.5 kHz, Q 1.0
  • –2 dB @ 5.5 kHz, Q 2.0
  • +2 dB high-shelf @ 18 kHz, Q 1.0
Now we might be getting somewhere very interesting

Here's the raw curve
01 TV5 - Reference in room Estimation.png


And here is the curve with a harman room curve delta applied (1.0db/octave anchored at 200hz). Holy Dyna! I was not expecting this.

02 TV5 Harman Delta in room Estimation.png

And here is the Original room estimation curve with Amir's -3 dB Shelft, Q 1.0 with the same harman delta applied. It's very good, but I could hear that bump across the upper midrange. It's slight, but it's there and the data proves it. Fixing this refined these speakers to a level I was not expecting at all. Everything is sitting where it should be. I can suddenly hear the sparkle of the upper edges of the tweeters now that the lower edges have been dealt with. Well recorded music doesn't just sound good, it's giving me shivers.

03 - Amir Original correction Delta.png
 
Nice bit of work there @LevityProject , thank you.

Can you also show what the on-axis response looks like before and after your EQ above?
thanks :)

Here's the on-axis change using these EQ moves
+1 dB @ 350 Hz, Q 1.0
–1 dB @ 700 Hz, Q 1.0
–3 dB high-shelf @ 5.5 kHz, Q 1.0
–2 dB @ 5.5 kHz, Q 2.0
+2 dB high-shelf @ 18 kHz, Q 1.0

It's not perfect, but we're now touching the "ruler flat" line across the frequency spectrum
04 TV5 on Axis with Correction applied.png

Here's another interesting one with the overlay of "flat" on axis. It might be worth dialing back the -3dB shelf by +0.5db. and including a wide -0.5dB centered around 1.8khz.
1765176527707.png
 
I am in disbelief, although my ears are loving it so I guess hearing is believing. Final results on-axis.

+1 dB @ 350 Hz, Q 1.0
–1 dB @ 700 Hz, Q 1.0
-0.5db @ 1.8khz Q 1.0
–2.5 dB high-shelf @ 5.5 kHz, Q 1.0
–2 dB @ 5.5 kHz, Q 2.0
+2 dB high-shelf @ 18 kHz, Q 1.0

Wonderfully flat.
05 Ruler Flat TV5.png

And here's the new In room Response Estimation (anchored at 200hz, 1db/octave Harman in room)
06 - TV5 Final in-room with overlay.png

Harman Delta Compensation Graph. I truncated below 40hz since the TV5s don't do anything down there. We are within +/- 1 dB with just a couple of places at closer to 2dB. not bad.

07 TV5 Harman in room (truncated 40hz).png
 
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+1 dB @ 350 Hz, Q 1.0
–1 dB @ 700 Hz, Q 1.0
-0.5db @ 1.8khz Q 1.0
–2.5 dB high-shelf @ 5.5 kHz, Q 1.0
–2 dB @ 5.5 kHz, Q 2.0
+2 dB high-shelf @ 18 kHz, Q 1.0

I haven't had time to listen carefully yet, but this EQ seems very good! It has more "sparkle" than the others, but it's not fatiguing to listen to. Great work! It's amazing what you can achieve with a "cheap" speaker with good directivity and the mighty power of PEQ!
 
I'm going to try implementing it with MULTEQ-X, where currently I have applied Amir's simple shelf.

Thanks again @LevityProject !
 
I am in disbelief, although my ears are loving it so I guess hearing is believing. Final results on-axis.

+1 dB @ 350 Hz, Q 1.0
–1 dB @ 700 Hz, Q 1.0
-0.5db @ 1.8khz Q 1.0
–2.5 dB high-shelf @ 5.5 kHz, Q 1.0
–2 dB @ 5.5 kHz, Q 2.0
+2 dB high-shelf @ 18 kHz, Q 1.0

Thanks for your suggested PEQ.
I tried to put it in txt:

Filter 1: ON PK Fc 350 Hz Gain 1.0 dB Q 1.0
Filter 2: ON PK Fc 700 Hz Gain -1.0 dB Q 1.0
Filter 3: ON PK Fc 1800 Hz Gain -0.5 dB Q 1.0
Filter 4: ON HS Fc 5500 Hz Gain -2.5 dB Q 1.0
Filter 5: ON PK Fc 5500 Hz Gain -2.0 dB Q 2.0
Filter 6: ON HS Fc 18000 Hz Gain 2.0 dB Q 1.0

May I know whether it is correct to put "PK" in the four that are not "HS"?
 
Thanks for your suggested PEQ.
I tried to put it in txt:

Filter 1: ON PK Fc 350 Hz Gain 1.0 dB Q 1.0
Filter 2: ON PK Fc 700 Hz Gain -1.0 dB Q 1.0
Filter 3: ON PK Fc 1800 Hz Gain -0.5 dB Q 1.0
Filter 4: ON HS Fc 5500 Hz Gain -2.5 dB Q 1.0
Filter 5: ON PK Fc 5500 Hz Gain -2.0 dB Q 2.0
Filter 6: ON HS Fc 18000 Hz Gain 2.0 dB Q 1.0

May I know whether it is correct to put "PK" in the four that are not "HS"

yep that looks correct.
 
I woke up this morning with an idea. Can Spinorama Frequency response measurments be imported into REW? I found conflicting info, so I decided to just try it. Succes!!

I isolated the the On-Axis response from the Spinorama data files and imported that into REW (text file ... it was super easy). The resulting Graph was the same as the on-axis response graph from this review.

CEA2034OnAxis Freq Response Spinorama.jpg



I took out the room curve in REW's EQ settings so that I could EQ just the direct sound of the speakers.

This is the resulting EQ curve (file is attached), which can be imported into SoundSource (Mac only - not sure if the Windows EQs will take it).

CEA2034OnAxis.jpg


The results (to my ears) are amazing accuracy compared with the other two curves. While the other curves gave increasingly great ballparks, this curve brought things to a whole new level of detail and depth. Now I need to figure out how to isolate the room and measure the on-axis with REW to confirm. For now, I'm abundantly pleased with three solid choices to extract amazing tonality from these speakers (Amir's Quick EQ, The Slightly More Advanced EQ, and The REW Ruler Flat EQ) :D
 

Attachments

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I woke up this morning with an idea. Can Spinorama Frequency response measurments be imported into REW? I found conflicting info, so I decided to just try it. Succes!!

I isolated the the On-Axis response from the Spinorama data files and imported that into REW (text file ... it was super easy).
How did you create the text file?
 
To import, I opened up the spinorama text file in excel (CEA2034.txt ... The one with all the measurements), saved as to make a copy and removed all except on axis measurement columns. Then saved again, and opened it in a text editor to remove quotation marks that got added to some of the rows for some reason.

Once I was done, Rew gives the option to export the EQ values as a text file. One click, done :)
 
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