10 more thoughts on MICRO SUBWOOFERS ✍🏻 'Dear John'

👉🏻 This video is brought to you by Roon:

🎥 Camera: Olaf von Voss
🎬 Editor: John Darko
🕺🏻 Motion GFX: John Darko
💰 Ad segment: Jana Dagdagan

🛋 My listening room in 2022:

0:00 Into
1:16 Damping factor
2:54 Auto-on
3:55 11Hz
5:21 Bass management
7:27 5ms
10:10 Connect correct
11:20 REL
12:52 2.2
13:28 130Hz
14:38 Separates
16:37 Doof doof

🔊 SVS 3000 micro (US$899)

🔊 KEF KC62 ($1499)

#bass subwoofer #hifi

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[neilthompson]

Mr Darko you should do this more often, that way like you say we can all learn something keep up the good work..🔉🎧💿

[TM-fxpi]

I do like this departure from normal. Follow up with questions that is. Thank you.

[chuckisidro]

Great video! The REL high level connectors would be connected to the speaker terminals of your amp. The main speakers will also connected to the binding posts. The effect on the impedance of adding these REL high level connectors to your amp is benign. What this does, based on my experience, is having the same tonal characteristics of your amp also carried over to the REL, which makes for better integration and better cohesiveness. By using two REL subs (one for each channel) you can have a better sense of space, depth, and width. Low frequency information from each channel can be more defined (now in stereo). Not to mention a more even bass response in the room. To achieve this, it may take days or weeks of experimentation but it’s worth it.
Adding subwoofers is not really about adding bass, but rather extending the range of the main speakers and ALSO improving sound stage and imaging, thus improving the whole system.

[davidrodgers]

Yes to more of this format. Appreciated how respectful you were to each comment. Also appreciate ideas over products.

[navybean]

Absolutely loved your comments on comments! Keep these videos coming. Thanks 🙏

[nickroden]

Hi John (and other KEF KC62 users),

I had the same problem with the KC62 taking a long time to come out of standby mode (when paired with the LS50 WII). Sometimes it would also revert back to standby, especially when listening to music at lower volumes. Ben Hagen posted a workaround for this problem on the Roon forum. Pretty sure I can't post links here, so I'll just copy and pate the solution below:

1) Select the sub option in the KEF Connect app and make a note of the sub out low pass filter setting.

2) Adjust the sub out low pass frequency to the highest setting (so all the way to the right)
3) Adjust volume/gain as mentioned in the app
4) Switch sub to MANUAL mode rather than LFE
5) Adjust the sub’s onboard crossover dial to the frequency noted in step 1

This will send a wider bandwidth signal to the sub, and is significantly ‘out of the way’ of the sub’s own filter to not cause cascading. With the higher bandwidth, there should be more signal at a high enough output to help trigger the sub and keep it on. If you listen at lower volumes (3 o’clock on the sub has done me well personally with the kind of music I listen to at around 40 volume on LS50WII), then you may also consider increasing the sub gain on the app and reducing the volume dial on the crossover to compensate.

Not sure if this would work when paired with other systems though.

[TodiesForCody]

Excellent video John. It’s alway nice to have the follow up questions answered. Everyone suggesting 2.2 is spot on in their suggestion too. Can’t wait for that video.

[robertwpwragg]

Hi John, Really liked this "discussion format" of follow-up to your review. More please!

[icebergzero]

I really loved this video and your previous one, I really liked the way that you approached your analysis of the two subs. I have two subs in my room, one that is very close to the side of my couch and one that is near the main speakers in front of me. The sub that is near my couch is sealed and I have it plays 20-40Hz, the one in front of me plays from ~30Hz up to 120Hz. I have built both of these subs myself and I know that that isn't for everyone but the thing that has been a real eye opener for me has been the fact that the sub in front of me is open baffle. It produces such wonderful and textured bass that gives a wonderful presence to acoustic bass when I am listening to jazz and the sealed sub beside me hits me in the chest when I am listening to 'oontz - oontz'. Love it all keep up the amazing work!

[bgrrgb]

Yes please do it! Get an AVR amplifier and compare with a similarly priced hifi stereo amplifier.

[TombstoneTube]

I’d recommend the podcast John did with Srajan on bass management - priceless

[brandonburr]

This interaction with the comments is much appreciated. Not sure a new video is needed after every video, but the interaction is appreciated. Always seemed to be a wall I the past. Glad to see you embrassing this more like other you tube channels.

[JulienBourjault]

It’s nice to see a reviewer taking the time to respond to reader’s comments. Nice gesture

[Gymgray]

I like the format. Please continue with this journey.

[jameslevine]

Excellent video as ever (please do this type again) and so refreshing to see a back and forth on comments/questions/answers that's interesting, informative and courteous. You set a great example. Keep up the good work!

[RichardDurishin]

Thumbs up for the "follow up" video concept John. I've an old Paradigm sub that really takes a jolt of volts to wake up. Glad to learn I'm not alone with that issue.

[shreyasdharur]

Thought #11 - Why I'd like an active microsub with a pair of streaming loudspeakers: my family members at home, who have no idea about anything audiophile, prefer fewer units, fewer wires, smaller footprint, and thus a cleaner room aesthetic. Also, the setup should be easy for them (beginners/not tech savvy) to play music when they want to.

[bryanherr]

Really enjoyed this and I hope there are more to come. A lot of great information can be had from the YouTube community and I hope videos like this will help cultivate an even more productive HiFi conversation. Thanks Mr. Darko

[greginnocent]

Hi John, Great pair of films. I have 2 SVS Micro's and use them with a Michi X3 amplifier (no bass Management). They supplement a pair of B&W 705 s2 signatures. It works well and its so easy to set both subs up with the app, without this it would take days to do. As the amp has no bass management the people at SVS advise setting a manual crossover of between 50 and 60 hz within the SVS software (I went for 55hz in the middle). They both seem to blend very well and sometimes I have to switch them off to convince myself the speakers aren't handling everything. I had several questions re the subs, so I contacted SVS service via e mail several times. I cant praise them enough, they responded within hours (I live in France) and their replies were very informative, allowing me to set up the subs with ease. They reply personally and seem really interested in your issues and cant help you enough. Anyway, good luck if you choose to do a 2 sub set up review, as I say it works for me with no bass management, it maybe a little more involved with, but who knows. cheers, Greg.

[thirdkey]

I dig this connective Q&A corralling & format John. I got my first sub after seeing your “first sub” vid and reading Phil Wright’s T5x review on your website. Adding a down firing sub transformed my listening experience and added a whole new dimension that I was missing and look forward to your 2.2 dive. Also, thanks for energy put into the channel to keep it polite and courteous, especially for people like me and who are still fairly new to this community.