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miniDSP Low cost, modular Digital Signal Processor (DSP) kits for the DIYer from miniDSP.

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Old 26th September 2018, 11:55 AM   #21
grahamgraham is offline grahamgraham  United Kingdom
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I have a MiniDSP 2x4 Balanced and I am using a very poor quality wall-wart PSU. As far as linear power supplies are concerned, is something like this a huge solution to a small problem?:

New version Finished 15VA linear power supply LPS 5V - 24V for choose + display | eBay

I would really like to upgrade the power supply to the best possible but I am sure it doesn't have to be as expensive as that. Can anyone recommend a good product in the UK, please?
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Old 5th September 2019, 03:44 PM   #22
Rush is online now Rush  United States
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Quote:
Originally Posted by grahamgraham View Post
I have a MiniDSP 2x4 Balanced and I am using a very poor quality wall-wart PSU. As far as linear power supplies are concerned, is something like this a huge solution to a small problem?:

New version Finished 15VA linear power supply LPS 5V - 24V for choose + display | eBay

I would really like to upgrade the power supply to the best possible but I am sure it doesn't have to be as expensive as that. Can anyone recommend a good product in the UK, please?
This would be better:

30W Hifi Ultra-low noise Linear Power supply R-core PSU DC5V 9V 12V 15V 18V 24V | eBay

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Old 28th January 2020, 10:22 AM   #23
odysse is offline odysse  Sweden
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I have some kind of small Apple charger for my 4x10 HD , so this one might be an upgrade for me too , - which voltage is preferred ?
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Old 28th January 2020, 12:00 PM   #24
Rush is online now Rush  United States
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I have some kind of small Apple charger for my 4x10 HD , so this one might be an upgrade for me too , - which voltage is preferred ?
I built a Salas L-Adapter Board regulated power supply for mine at 9 volts. Sounds better than the stock one for sure.

I haven't done any other experiments with the MiniDSP.

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Old 12th April 2020, 02:45 PM   #25
audiobomber is offline audiobomber  Canada
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I bought a Topping P50 PSU to simultaneously power my 2x4 @ 15V, and a Chromecast Audio streamer @ 5V. Not inexpensive and not DIY, but I'm very happy with it.

Topping P50 – Linear Power Supply – Topping Audio
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Old 16th April 2020, 04:29 PM   #26
tapestryofsound is offline tapestryofsound  Scotland
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I have set up my MiniDSP 2x4 with an 18volt battery power supply. Seems to work well. Nice and quiet. Shaved a couple of dB’s off the input and output to reduce the risk of clipping. Early days yet, but a lot of scope in such a little box.
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Old 14th January 2021, 08:38 PM   #27
IWC Doppel is offline IWC Doppel  United Kingdom
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I bought a nice cheap LPS from eBay decent toroidal transformer and it even uses Elna caps, I have some Nichicons and audio note to swap and upgrade, I just use it to EQ and time 3 subs but fancied upgrading and £25 on caps seemed like a worthwhile punt
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Old 22nd January 2021, 12:06 PM   #28
Ugg10 is offline Ugg10  United Kingdom
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I have a nanodigi plus four Khadas Toneboard dads running of one of these, seems to do the job well.

Test of Anker 60W 6-port A2123
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Old 1st October 2021, 05:45 AM   #29
hollowboy is offline hollowboy  Australia
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Originally Posted by tapestryofsound View Post
I have set up my MiniDSP 2x4 with an 18volt battery power supply. Seems to work well. Nice and quiet.
Ditto - I've used a 12-18volt batteries (power tool and car) for audio out in the bush.

I use a laptop brick as the power supply at home.

A computer USB port is the only option I tried that was noisy and not OK.
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Old 1st October 2021, 11:00 AM   #30
Johnsykes is offline Johnsykes  Portugal
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I have Minidsp 4 x 10 and Nanodigi with stock supplys and never felt the need to replace them , i have now added a UPS 2000VA to power the intire setup anyway sounds really good , still i wonder how much better would other supplys sound...
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