Gem Sound BA-200 mixer/amp module impedance load handling
StudioDog
modules from a set of powered speakers - very similar to the Dayton
amp module that Parts Experss sells, except these don't have an
auxiliary speaker-level output to drive a passive slave cab. I'd like
to change that if I can. Wiring in a Speakon output jack to the module
is simple enough - what I am trying to find is the impedance load the
amp can safely handle. Is there an easy way to measure this? The
modules originally powered an 8OHm 3-way speaker arrangement. Is it
reasonable to assume that they might handle a 4 OHm load? FWIW, the
modules are rated at 200 watts RMS.....
Thanks
Scott Dorsey
Get the manufacturer's data sheet and see what they are rated for.
IF they have protection on them, you can TRY and put a 4-ohm load on them
and see how hot they get. If they get too hot to hold your hand flat on
them for a count of three seconds, they're too hot. Run rated power into
a dummy load for a while and see how hot they get.
Personally, I would stick with an 8-ohm load without any other information.
Better to play it safe, and most good speakers are available with 8-ohm
voice coils anyway.
--scott
--
"C'est un Nagra. C'est suisse, et tres, tres precis."
Eeyore
StudioDog wrote:
With that kind of product it's HIGHLY unlikely the manufacturer used any
more parts than were necessary to drive the 8 ohm speaker. So, most
likely, NO !
Graham
GregS
Gensound, PylePro, Gemini, I think there was another goodie.
Wow my ears are hurting...
http://www.etronics.com/p-621-gem-sound-trf-152-15-pro-dj-pa-speaker.aspx
Eeyore
GregS wrote:
Oh - one of those ! I've never seen so many piezos in one cabinet in my entire life !
Graham
Eeyore
GregS wrote:
> Gensound, PylePro, Gemini, I think there was another goodie.
> Wow my ears are hurting...
> http://www.etronics.com/p-621-gem-sound-trf-152-15-pro-dj-pa-speaker.aspx
700 watts 'total power' ! Is that an AES recognised term ? :~)
How they can do it for that price is beyond me though.
Graham
Scott Dorsey
Odds are, therefore, that Gem Sound didn't make it themselves but probably
had someone OEM the amplifier module for them. So checking the board
carefully for part numbers and manufacturers' names and plugging them into
google might get you close.
Scott Dorsey
>GregS wrote:
>
>> Gensound, PylePro, Gemini, I think there was another goodie.
>> Wow my ears are hurting...
>> http://www.etronics.com/p-621-gem-sound-trf-152-15-pro-dj-pa-speaker.aspx
>
>700 watts 'total power' ! Is that an AES recognised term ? :~)
Peak maximum power output!
>How they can do it for that price is beyond me though.
How do we do it? Volume, volume, volume. That's right, we sell millions
of these little babies and we sell them direct to the consumer. By cutting
out the middleman, you pay direct wholesale cost. But that's not all! Where
brand name products might use steel and copper, we use plastic and cardboard
and pass the savings on to you! Brand name manufacturers spend millions of
dollars in marketing but we don't! Brand name manufacturers spend millions
of dollars for equipment calibration and quality control but we don't! So
you Save, Save, Save! By stealing circuit designs from our competitors we
cut our design costs which lets your slash the cost of the product to you!
So buy now, because this is an offer of a lifetime and it won't be repeated
until tomorrow!
John Hardy
> http://www.etronics.com/p-621-gem-sound-trf-152-15-pro-dj-pa-speaker.aspx
Wow! It has a 15-FOOT woofer!
John Hardy
hank alrich
StudioDog
beautifual, no? All that plastic..... mmmmmm :) LOL
I've emailed the manufacturer but haven't received anything back from
them yet. If they ever respond to my query, I may be able to get the
info I need. Until then, as several of you have pointed out, I think
it's best not to push my luck!
FWIW, in sharp contrast to the hulking beast Gem Sound seems fond of,
I'm putting together a pair of tidy little 2-way cabs to try out with
my acoustic trio. If the rated 200watts is to be believed, there will
be more than enough power to cover any of your regular venues, and
it's all in 2 boxes. Should be prety good. I'll try to report back on
the actual sound quality!
SD
GarageGuitar
> Eeyore <rabbitsfriendsandrelati...@hotmail.com> wrote:
> >GregS wrote:
>
> >> Gensound, PylePro, Gemini, I think there was another goodie.
> >> Wow my ears are hurting...
>
> >700 watts 'total power' ! Is that an AES recognised term ? :~)
>
> Peak maximum power output!
>
> >How they can do it for that price is beyond me though.
>
> How do we do it? Volume, volume, volume. That's right, we sell millions
> of these little babies and we sell them direct to the consumer. By cutting
> out the middleman, you pay direct wholesale cost. But that's not all! Where
> brand name products might use steel and copper, we use plastic and cardboard
> and pass the savings on to you! Brand name manufacturers spend millions of
> dollars in marketing but we don't! Brand name manufacturers spend millions
> of dollars for equipment calibration and quality control but we don't! So
> you Save, Save, Save! By stealing circuit designs from our competitors we
> cut our design costs which lets your slash the cost of the product to you!
> So buy now, because this is an offer of a lifetime and it won't be repeated
> until tomorrow!
> --scott
Scott! You've missed your calling! Somewhere out there the Home
Chopping Channel is looking for you! :)
John Hardy
John Hardy
Scott Dorsey
>
>Scott! You've missed your calling! Somewhere out there the Home
>Chopping Channel is looking for you! :)
I remember reading some stuff from DAK and reading through Drew's copy... and
my first thought was "wow, this stuff is total crap" but then my second thought
was "maybe I should buy some of this." That man was a Marketing Genius.
Ben Bradley
I'm just trying to figure out the part of that where Tom Waits'
"Step Right Up" ends and actual business practices I've read about
right here on RAP begin...
Ben Bradley
I hadn't heard of him so "I just had to look" - here's outtakes
that obviously didn't make it to the final commercial:
http://www.youtube.com/watch?v=ZrnVNZpnvRI
>
>John Hardy