DIY small monitor

Hello everyone,

I'm looking for DIY monitor to complement my Harbeth p3esr, it cannot be much bigger than the harbeth since I have them at a desk, and it's for nerfield listening. I found the Seas Curv and the Eekels mini both from toels, but cannot find any sound description on them. Oh and it should be comparable in quality with the harbeth otherwise I wont use them.
 
Hard to find the driver now-a-days, but these stood up well against Rogers LS3/5a. (less coloured, more extended on the bottom, the same sort of vintage top end). The metal cone driver is more findable, doesn’t’t go quite as low but has a more prominent extended top-end. You will have to EnABL them yourself.

mmar-ken6p-red-comp-jpg.253893


Probably a budget project compared to the other suggestions.

dave
 
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Alpair 6p in a microSize Mar-Ken.

Plans are officially part of the paid planset. But: https://frugal-phile.com/boxlib/P10free/mMar-Ken6-1v0-map-231009.pdf

For the original A6, just leave out the vent spacer.

Good luck finding drivers (i am hording 6 for a set of Triple A6 monitors). Metal version seems more findable (i have a pair left), but require a smaller box. The CGR plan is free: https://frugal-phile.com/boxlib/P10free/CGR-cmMar-Ken6v2M-1v0-090911.pdf

More plans for them in the planset.

dave
 
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I'm gonna add two cents here re design philosophy. Ported vs sealed. especially for a small enclosure.
Ported will roll off sharper than sealed. Bass diminishes twice as fast at 24 dB/octave vs 12 dB per Octave.
I will assume the published ported designs referenced here are all designed correctly and will be built correctly as well. If not, then ported designs not done right can suffer a number of issues that don't sound good whereas as a sealed speaker with a volume in the correct optimum ballpark will sound very well controlled and actually more extended than their f3 might indicate compared to ported.
I've owned a number of small ported speakers in my day and sealed as well including the Ergos mentioned above (f3 of 53 Hz from 10 liters) , ADC L300 and KEF 101 to name a few. I just like the sound of sealed. A lot. I built subs to go with my Ergos. I don't use them and don't need them for 95% of the music. But if you want the lowest f3 from a given suitable driver, then ported is the way to do that and has its benefits. There is a reason ported seems to be the norm these days. But it's not for me. I'll take a good sealed design over ported every time.
 
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I built these ERGO IX's and have been a huge fan...... F3 just above 50 Hz in a sealed enclosure. And marvelously accurate and musical w/ScanSpeak woofer and Morel tweeter. https://pinkfishmedia.net/forum/thr...-e-ix-mini-monitor-loudspeaker-system.112821/
That's actually an excellent option thank you. After a bit of research I'm actually trying to decide between those and the Revolution Loudspeaker kit by Jeff Bagby and Javad Shadzi. Anyone can help me with this choice?
 
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.... whereas as a sealed speaker with a volume in the correct optimum ballpark will sound very well controlled and actually more extended than their f3 might indicate compared to ported.
I agree. To my ears, sealed box speakers almost always have an advantage when it comes to bass impact, percieved transient response, and "punchiness". In my opinion, they have the advantage of a very natural sounding presentation of bass instruments such as double bass, baritone sax, bassoon, electric bass guitar.

The very best vented box designs can come very close to a sealed box. From what I have observed, the best sounding vented box designs have a very low tuning frequency, 35 Hz or lower.

Again, my opinion...