ShortScale Forum Index www.shortscale.org
Head 'n Neck Above
 
 FAQFAQ   SearchSearch   MemberlistMemberlist   UsergroupsUsergroups   RegisterRegister 
 ProfileProfile   Log in to check your private messagesLog in to check your private messages   Log inLog in 
UploaderUploader   ShortScale WikiBuilder

Anyone have experience with this cheap power bank ?
Goto page 1, 2  Next
 
Post new topic   Reply to topic    ShortScale Forum Index -> Effects, Amps & Gear, Pedal Building
View previous topic :: View next topic  
Author Message
George
.
.


Joined: 03 Jul 2009
Posts: 20303
Location: UK

PostPosted: Thu Jun 23, 2016 10:35 am    Post subject: Anyone have experience with this cheap power bank ? Reply with quote

with the hilarious number of rebrandings ranging from Ģ28.99 to Ģ69.99
Hidden: 

and that's not even the full list.

this particular "donner" version has grabbed my attention as it has 2 x 9v ports with 500ma on tap, as opposed to one on the other rebrands (the rest being 100ma), and the 12v and 18v ports are both 500ma (as opposed to 100ma on other brands). it's also the cheapest.

Quote:
Donner DP-2 is upgrading of DP-1,DP-2 using better materials.DP-2 in the original foundation up and increase the output current, meet the needs of more,9V output two way is 500ma,12V output is 500ma,18V output is 500ma.

Specifications:
Material: Aluminium Alloy, light weight and portable.
Power: AC 100v-240V
Input: DC 18V
Output:
--6 way 9V 100mA
--2 way 9V 500mA
--1 way 12V 500mA
--1 way 18V 500mA
Dimension: 150 x 50x 30mm
Net weight: 520g
Color: black

Attention:
Incorrect polarity would damage this unit, please make sure correct positive and negative polar before wiring.

SHORT-CIRCUIT PROTECTION

All 10 outputs in this unit have separate short-circuit protection, i.e. short circuit in one channel won't affect other channels' function. Under the circumstances of all LED lights on, LED light of the short-circuited channel will off, while lights in the other normal channels are still on. This helps locating the faults when there were short circuits among many effects.

Package included:
1 x DP-2 Power Supply
1 x Power Adapter
10 x DC Power Cable
2 x Polarity Reversal Cable
1 x User Manual




i have the donner xotic rc booster clone, which is great, although a little cheap feeling.

i'm aware people are questioning whether it's actually isolated, and it's likely not going to be as amazing and reliable as a more expensive model, but probably good enough?
Back to top
View user's profile Send private message
Gabriel
.
.


Joined: 11 Apr 2010
Posts: 3139
Location: UK/US

PostPosted: Thu Jun 23, 2016 11:36 am    Post subject: Reply with quote

I don't think it's isolated, but I know a few guys that use it and have no problems. It's definitely a step up from daisy chaining but not quite as quiet as more expensive models.

You could try and pick up a secondhand cioks or trex power supply on ebay as another option?
_________________
www.gabrielwareing.com
Back to top
View user's profile Send private message Visit poster's website
George
.
.


Joined: 03 Jul 2009
Posts: 20303
Location: UK

PostPosted: Thu Jun 23, 2016 11:52 am    Post subject: Reply with quote

that's reassuring - i take it these guys are able to gig without too much white noise?

i've got a saved search for more expensive options but i don't think i'm that concerned about it being deathly quiet (i have a boss noise suppressor which takes care of the noisiest pedals in high gain situations anyway). it's more that it works okay and has the power options i need, and at least improves on a daisy chain (currently using the ubiquitous johnnyshreadfreak 500ma).

having said that, might just wait for now...
Back to top
View user's profile Send private message
timhulio
Redheaded Stepchild


Joined: 20 Apr 2006
Posts: 4612
Location: London, UK

PostPosted: Thu Jun 23, 2016 12:22 pm    Post subject: Reply with quote

They're crap. Will be noisy with some pedals, okay for most. As a general rule, look out for power bank type things with a chunky 'wall wart' transformer for a plug.
_________________

The Sailplanes - London band
Fredric Effects - pedals
Back to top
View user's profile Send private message Visit poster's website MSN Messenger
Brandon W
.
.


Joined: 24 Oct 2012
Posts: 8728
Location: happiest town in america

PostPosted: Thu Jun 23, 2016 12:39 pm    Post subject: Reply with quote

i love the voodoo labs one i use.. it has the power starve on the last two plugs also where you control how much power the pedal is getting and you can get that dying 9volt thing going.
_________________
cur wrote:
I need it to be smaller or I get shitty messages from mezz telling me my junk's too big.

Chico Malo wrote:
This thread just went down the toilet. Bye

iCEByTes wrote:
Carrotīs and pussy party happy joy joy
Back to top
View user's profile Send private message
dezb1
The Oppressor


Joined: 01 Mar 2009
Posts: 7371
Location: glasgow

PostPosted: Thu Jun 23, 2016 12:51 pm    Post subject: Reply with quote

You don't wanna do that you wanna do this:

http://www.ebay.co.uk/itm/151901317197

https://m.thomann.de/gb/harley_benton_powerplant.htm?o=0&ref=mal_a_0&search=1466686192
_________________
Extreme distortion used discreetly...
Back to top
View user's profile Send private message Visit poster's website
Doog
can i get uhhh


Joined: 24 Apr 2006
Posts: 19495
Location: London

PostPosted: Thu Jun 23, 2016 1:28 pm    Post subject: Reply with quote

timhulio wrote:
They're crap. Will be noisy with some pedals, okay for most. As a general rule, look out for power bank type things with a chunky 'wall wart' transformer for a plug.


ie, DON'T get ones that use a wallwart, right? Rather than "look out for them and buy them"
Back to top
View user's profile Send private message
George
.
.


Joined: 03 Jul 2009
Posts: 20303
Location: UK

PostPosted: Thu Jun 23, 2016 1:36 pm    Post subject: Reply with quote

this whole thing gives me a headache. so ideally we should be looking for all outputs individually isolated (mega bucks) or some sort of compromise where a power supply will have a bunch of 9v outputs that share common ground and a few fancy outputs that are individually isolated(less mega bucks)? what's this wall wart business?
Back to top
View user's profile Send private message
Brandon W
.
.


Joined: 24 Oct 2012
Posts: 8728
Location: happiest town in america

PostPosted: Thu Jun 23, 2016 1:41 pm    Post subject: Reply with quote

yeah mine is individually grounded and they call the starve feature "sag"..
link
_________________
cur wrote:
I need it to be smaller or I get shitty messages from mezz telling me my junk's too big.

Chico Malo wrote:
This thread just went down the toilet. Bye

iCEByTes wrote:
Carrotīs and pussy party happy joy joy
Back to top
View user's profile Send private message
George
.
.


Joined: 03 Jul 2009
Posts: 20303
Location: UK

PostPosted: Thu Jun 23, 2016 4:53 pm    Post subject: Reply with quote

that sounds pretty sweet but a bit expensive over here

i think i like the look of the t rex chamleon

http://www.t-rex-effects.com/fueltank-chameleon/

the possibility of accidentally flicking the voltage and frying pedals is triggering though
Back to top
View user's profile Send private message
NickS
.
.


Joined: 14 Jan 2008
Posts: 9459
Location: Nr. Basinggrad, UK

PostPosted: Thu Jun 23, 2016 5:09 pm    Post subject: Reply with quote

Remind me tomorrow to ask my colleague who bought the Nordell one when I'm sure it was cheaper.
Last year's thread
Back to top
View user's profile Send private message
Brandon W
.
.


Joined: 24 Oct 2012
Posts: 8728
Location: happiest town in america

PostPosted: Thu Jun 23, 2016 5:18 pm    Post subject: Reply with quote

t-rex makes cool stuff also.. they made a limited dandy warhol's pedal and i didn't know what it did exactly but i wanted one badly.
_________________
cur wrote:
I need it to be smaller or I get shitty messages from mezz telling me my junk's too big.

Chico Malo wrote:
This thread just went down the toilet. Bye

iCEByTes wrote:
Carrotīs and pussy party happy joy joy
Back to top
View user's profile Send private message
NickS
.
.


Joined: 14 Jan 2008
Posts: 9459
Location: Nr. Basinggrad, UK

PostPosted: Thu Jun 23, 2016 5:18 pm    Post subject: Reply with quote

George wrote:
this whole thing gives me a headache. so ideally we should be looking for all outputs individually isolated (mega bucks) or some sort of compromise where a power supply will have a bunch of 9v outputs that share common ground and a few fancy outputs that are individually isolated(less mega bucks)? what's this wall wart business?


Wall wart implies one basic voltage which may result in cross-talk/noise between pedals in a poor design.

I have a cheap wall-wart powered 8-way power bank with common earth for all my normal pedals plus an AC wall wart for the Line 6 DL4, a 12v one for the keyboard and a separate 9v one for the keyboard's Line 6 rotary effect. I keep thinking about getting something better but can't justify it at the moment.
Back to top
View user's profile Send private message
Brandon W
.
.


Joined: 24 Oct 2012
Posts: 8728
Location: happiest town in america

PostPosted: Thu Jun 23, 2016 5:26 pm    Post subject: Reply with quote

wait am i endangering my pedals by using the sag feature?
_________________
cur wrote:
I need it to be smaller or I get shitty messages from mezz telling me my junk's too big.

Chico Malo wrote:
This thread just went down the toilet. Bye

iCEByTes wrote:
Carrotīs and pussy party happy joy joy
Back to top
View user's profile Send private message
NickS
.
.


Joined: 14 Jan 2008
Posts: 9459
Location: Nr. Basinggrad, UK

PostPosted: Thu Jun 23, 2016 5:27 pm    Post subject: Reply with quote

Not usually. Overvolts are the killer, not undervolts.
Back to top
View user's profile Send private message
Bacchus
Whatever's handiest


Joined: 20 Apr 2006
Posts: 19122
Location: wandering

PostPosted: Thu Jun 23, 2016 5:28 pm    Post subject: Reply with quote

Gabriel wrote:
It's definitely a step up from daisy chaining


How? I thought that non-isolated supplies like this were basically the same thing as daisy chaining?
_________________
Back to top
View user's profile Send private message
NickS
.
.


Joined: 14 Jan 2008
Posts: 9459
Location: Nr. Basinggrad, UK

PostPosted: Thu Jun 23, 2016 5:36 pm    Post subject: Reply with quote

Bacchus wrote:
I thought that non-isolated supplies like this were basically the same thing as daisy chaining?
The difference is that each pedal gets its own earth run back to the PSU - this is called "star point earthing" - and its own power run back to the smoothing cap in the PSU, which reduces the interference between pedals. So although there is a common earth reference you should have greatly reduced the ability of one effect's power line to affect another's.
Back to top
View user's profile Send private message
Doog
can i get uhhh


Joined: 24 Apr 2006
Posts: 19495
Location: London

PostPosted: Thu Jun 23, 2016 5:39 pm    Post subject: Reply with quote

Ahhh I always though the same as Paul..

TBH, I've been using a Diago / Johnny Shredfreak (lol) power supplies for like 10 years with zero problems, aside from physical wear on the cables making things intermittent. I think if you're using 'sensitive' boxes that demand to be isolate, fair enough, but everything else? Not so sure.

I guess you get better build quality with the beefy bricks (removable IEC power cables and what not) but depends how you expect to use it.
Back to top
View user's profile Send private message
NickS
.
.


Joined: 14 Jan 2008
Posts: 9459
Location: Nr. Basinggrad, UK

PostPosted: Thu Jun 23, 2016 5:45 pm    Post subject: Reply with quote

The other fly in the ointment is the odd positive-earth pedal like the original PNP germanium fuzz face design, which needs an isolated or 9v negative output.
Back to top
View user's profile Send private message
George
.
.


Joined: 03 Jul 2009
Posts: 20303
Location: UK

PostPosted: Thu Jun 23, 2016 5:47 pm    Post subject: Reply with quote

It's a voltage/draw thing, my pedigree chum. The new delay I've got wants 12v positive centre, and the reverb can run up to 18v, so I want to give it a go. The rest is just frills, like limiting the amount of 9v pedals on one grounding - admittedly a small difference on a meagre board like mine, but still worth having a go at. The treble booster I've got HATES other pedals to the point that it's on a battery at the moment, and being the environmentally conscious man that I am it's keeping me up at night. Also the new band I'm with wants clean/jazzy moods going on, hence silent signal paths, which is maybe why gabriel was on this thread like a flash! (thanks gabe, btw)
Back to top
View user's profile Send private message
Display posts from previous:   
Post new topic   Reply to topic    ShortScale Forum Index -> Effects, Amps & Gear, Pedal Building All times are GMT
Goto page 1, 2  Next
Page 1 of 2

 
Jump to:  
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum


Powered by phpBB Đ 2001, 2002 phpBB Group

Anti Bot Question MOD - phpBB MOD against Spam Bots
Blocked registrations / posts: 622762 / 0

Guitars at Musician's Friend

Help support this site by clicking the above link!