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+--- Thread: About that Monoprice stereo tube amp (/showthread.php?tid=188884)
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About that Monoprice stereo tube amp - deckeda - 03-08-2016
I wasn't looking for info but stumbled across a few instances online mentioning the Nobsound MS-10D
It looks a lot like the one Monoprice sells, yes?
Apparently the tubes are only for show; audio never passes through them. It's not a hybrid design. You can remove them, and the amp is cleverly designed to then not work, but it actually lacks such things as transformers or rectifiers. And ya gotta have that for the tubes to do anything useful beyond look pretty.
Re: About that Monoprice stereo tube amp - Fritz - 03-08-2016
"Apparently the tubes are only for show; audio never passes through them. You can remove them, and the amp is cleverly designed to then not work,"
a bit like congress
Re: About that Monoprice stereo tube amp - OWC Jamie - 03-08-2016
Fritz wrote:
"Apparently the tubes are only for show; audio never passes through them. You can remove them, and the amp is cleverly designed to then not work,"
a bit like congress
and campaign promises
Re: About that Monoprice stereo tube amp - jdc - 03-08-2016
or peoples ability to realize what forum they are posting in.
Re: About that Monoprice stereo tube amp - Will Collier - 03-08-2016
deckeda wrote:
I wasn't looking for info but stumbled across a few instances online mentioning the Nobsound MS-10D
It looks a lot like the one Monoprice sells, yes?
Apparently the tubes are only for show; audio never passes through them. It's not a hybrid design. You can remove them, and the amp is cleverly designed to then not work, but it actually lacks such things as transformers or rectifiers. And ya gotta have that for the tubes to do anything useful beyond look pretty.
That's an "urban myth"... somebody at the Hoffman forums who knew what he was doing took one apart and the tubes are definitely used in the preamp stage:
http://forums.stevehoffman.tv/threads/149-monoprice-tube-hybrid-amp.472534/page-3
But as far as the Nobsound business, yeah, it looks like Monoprice had their own rebadged production run done on pretty much the same design.
Re: About that Monoprice stereo tube amp - deckeda - 03-08-2016
As one of the comments there said, "you may be right, after all this is the Internet.
Re: About that Monoprice stereo tube amp - mikebw - 03-09-2016
deckeda wrote:
Apparently the tubes are only for show; audio never passes through them. It's not a hybrid design. You can remove them, and the amp is cleverly designed to then not work, but it actually lacks such things as transformers or rectifiers. And ya gotta have that for the tubes to do anything useful beyond look pretty.
Sounds like a lot of work just to force people to have what appears to be a "tube amp".
Occam?
Re: About that Monoprice stereo tube amp - onthedownlow - 03-09-2016
[double-post]
Re: About that Monoprice stereo tube amp - onthedownlow - 03-09-2016
mikebw wrote:
[quote=deckeda]
Apparently the tubes are only for show; audio never passes through them. It's not a hybrid design. You can remove them, and the amp is cleverly designed to then not work, but it actually lacks such things as transformers or rectifiers. And ya gotta have that for the tubes to do anything useful beyond look pretty.
Sounds like a lot of work just to force people to have what appears to be a "tube amp".
Occam?
There are several tube amps, on the market, that take cues from the same design/form-factor - that has been the case for a long time.
One of the main features of Monoprice's is that they offer Bluetooth as an input, the others do not (they have two wired inputs).
Additionally, the tubes on the Monoprice amp ARE required and the system (audio) does not work when removed. I can personally tell you that. Will also mentioned it above, I see.
When you first power on the amp, from a cold start, it can take up to 20 seconds before any sound comes out and then crescendos up to the volume level you have it/had it at before. It does need some time to warm up. You can see the VU Meter bouncing around, if you have an audio source already going, but no sound until it is ready.
[never timed it - can tomorrow - but around 15-20 seconds seems about right, in my experience)
Re: About that Monoprice stereo tube amp - freeradical - 03-09-2016
I don't know what the deal is with having those tubes outside of a case. It seems like you'd get better cooling if they were in a case and you had an air inlet on one side of the case, and an exhaust fan on the other side of the case.