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Post subject: Super champ X2 speaker out line out question
Posted: Wed Jun 13, 2012 10:12 am
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I was wondering if anyone out there knows if its OK to run the SCX2 head without the speaker attached? There are no warnings in the manual or on the amp but I dont like taking chances with my gear. It seems like it was designed for that what with the usb and line outs and all but id like some reassurance. It would be great to be able to play through just the head into a computer for silent recording, Or run the line out into a larger poweramp for increased volume.
cheers!


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Post subject: Re: Super champ X2 speaker out line out question
Posted: Wed Jun 13, 2012 2:27 pm
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Hi andygutmonkey,

Do not use a tube amp without a load connected to it's output, whether speaker or resistive "dummy" load. The amp has a shorting jack to protect the amp in case of a speaker not being plugged in, but as with the safety on a gun, you shouldn't rely on it.

An attenuator with a volume control, or similar "dummy load" device connected to the speaker jack, instead of a speaker, would allow "silent" recording. Or, simply remove both output tubes, and then you won't need a speaker or load connected to the speaker jack to use the line out or USB (no sound if speaker was connected anyway, which is what you wanted, so no reason to disconnect the speaker). Of course, turn the amp off before exchanging tubes. :idea:

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Post subject: Re: Super champ X2 speaker out line out question
Posted: Wed Jun 13, 2012 4:08 pm
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It seems rather counter productive for Fender to create an amp with the capability to record direct to a computer while still requiring you to have the power amp on and playing through the speaker. I wonder if the Fuse software provides a capability to shut down the power amp section to allow direct to computer recording? That would make a lot of sense and be pretty easy to implement. Alas, there is no schematic of the Champ X2 available yet to see what the circuit might look like. You might want to post a question about this in the Fender Fuse forum:

viewforum.php?f=26

or in the newly created Champ X2 forum:

viewforum.php?f=45

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Post subject: Re: Super champ X2 speaker out line out question
Posted: Mon Jun 18, 2012 7:28 am
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thanks for the info! I also got a email from fender saying the speaker should always be connected so bummer in that regard. I still dig the amp tho!
cheers


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Post subject: Re: Super champ X2 speaker out line out question
Posted: Mon Jun 18, 2012 10:06 am
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andygutmonkey wrote:
thanks for the info! I also got a email from fender saying the speaker should always be connected so bummer in that regard. I still dig the amp tho!
cheers


Too bad. Seems like Fender made some pretty poor design choices.

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Post subject: Re: Super champ X2 speaker out line out question
Posted: Tue Jul 10, 2012 9:48 pm
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Hi Guys,

We appreciate your concerns here. As any amp with a tube power section would, the Fender SuperChamp X2 requires a load on the power section when the amp is powered on. This is not new or unusual. The amp has 2 separate means by which to record. One is the USB digital output with the use of the Fender Universal ASIO Driver (Win) or via Core Audio (Mac). The other is the 1/4" line output. So, at it's price point, we believe the amp offers a good amount of flexibility and very good sound quality.

With that said, we are always open to feedback from our customers. And we are happy to pass your comments here on to the right folks for consideration. Please let us know if we can assist further.

http://www.fender.com/support/articles/ ... sio-driver

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Post subject: Re: Super champ X2 speaker out line out question
Posted: Wed Jul 11, 2012 7:46 am
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Alan Willey - Fender wrote:
Hi Guys,

We appreciate your concerns here. As any amp with a tube power section would, the Fender SuperChamp X2 requires a load on the power section when the amp is powered on. This is not new or unusual. The amp has 2 separate means by which to record. One is the USB digital output with the use of the Fender Universal ASIO Driver (Win) or via Core Audio (Mac). The other is the 1/4" line output. So, at it's price point, we believe the amp offers a good amount of flexibility and very good sound quality.

With that said, we are always open to feedback from our customers. And we are happy to pass your comments here on to the right folks for consideration. Please let us know if we can assist further.

http://www.fender.com/support/articles/ ... sio-driver


Lacking a schematic for the SCX2, but using the schematic for the SCXD, it can be easily seen that the addition of one switch is all that would be required to shut down the entire high voltage section supplying power to the tubes. This could be done at minimal cost. Send me a schematic for the SCX2 and I will design the circuit for you, free of charge.

Requireing the power amp to be on while recording from the USB or line out defeats the idea of being able to record and manipulate the amp sound via software without having the amp powered up.

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Post subject: Re: Super champ X2 speaker out line out question
Posted: Wed Jul 11, 2012 9:30 am
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Hi bluesky636,

We do not have the schematic for the Fender SuperChamp X2 available at this time. But more to your point, if I understand your statement correctly, you are describing the same behavior in regard to USB output and recording that is present in the entire Fender FUSE-connected product line.

The power sections are on at all times in all related products with the exception of the Fender Mustang Floor, which of course has no power section. There should be no conflict with recording via USB or even through the line output with the power section on. Please let us know if we can assist further.

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Post subject: Re: Super champ X2 speaker out line out question
Posted: Wed Jul 11, 2012 9:44 am
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Pretty short sighted of Fender if you ask me.

Never mind. I only use real amps.

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Post subject: Re: Super champ X2 speaker out line out question
Posted: Thu Jul 12, 2012 2:17 pm
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Hi bluesky636,

I'm sorry that we were not able to assist you here. Please let us know if we can assist in the future.

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Post subject: Re: Super champ X2 speaker out line out question
Posted: Fri Nov 02, 2012 4:53 am
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I don't see what the problem is. I record on my Macbook using Garage Band w/ the USB connection from my X2. I just turn the volume pots to 0 on the amp, which does not alter the signal from the guitar through the USB, to silence the amp speaker. I make all my volume, EQ, effects, ...... adjustments on the computer to control what I hear through the headphones, which are plugged into the jack on the Macbook.


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Post subject: Re: Super champ X2 speaker out line out question
Posted: Fri Nov 02, 2012 1:04 pm
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andygutmonkey wrote:
I was wondering if anyone out there knows if its OK to run the SCX2 head without the speaker attached? There are no warnings in the manual or on the amp but I dont like taking chances with my gear. It seems like it was designed for that what with the usb and line outs and all but id like some reassurance. It would be great to be able to play through just the head into a computer for silent recording, Or run the line out into a larger poweramp for increased volume.
cheers!

With all the rhetoric fm Fender on why it can't be done or why it wasn't designed that way yadda yadda, FYI the Blackstar HT amps (and the HT20H in particular) will function safely with no speaker, but using the emulated speaker out connection. I would on occasion just take the head to band practice and plug the emulated out into the PA with very good sounding results. I never tried it for recording into a computer, but it's all outlined and validated as safe in their manual.

I must agree w/ Bluesky that it seems like "a poor design choice", but then again it's $299 vs $499 for the B* HT20H.

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Post subject: Re: Super champ X2 speaker out line out question
Posted: Fri Nov 02, 2012 2:18 pm
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canerod wrote:
I don't see what the problem is. I record on my Macbook using Garage Band w/ the USB connection from my X2. I just turn the volume pots to 0 on the amp, which does not alter the signal from the guitar through the USB, to silence the amp speaker. I make all my volume, EQ, effects, ...... adjustments on the computer to control what I hear through the headphones, which are plugged into the jack on the Macbook.


So problem solved?


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Post subject: Re: Super champ X2 speaker out line out question
Posted: Fri Nov 02, 2012 4:24 pm
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IM4Tone wrote:
...with all the rhetoric fm Fender on why it can't be done or why it wasn't designed that way yadda yadda...


Not rhetoric, they didn't say that it couldn't be done, the Fender amp simply was not designed with a dummy load, such as it appears your other amp was. Your BS amp is not magic, or somehow beefier than a Fender, the BS simply has a dummy load to protect the amp when not plugged into a speaker. Therefore, do not run your Fender amp without a speaker or dummy load connected. Simple as that. :)

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Post subject: Re: Super champ X2 speaker out line out question
Posted: Fri Nov 02, 2012 5:00 pm
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shimmilou wrote:
IM4Tone wrote:
...with all the rhetoric fm Fender on why it can't be done or why it wasn't designed that way yadda yadda...

"As any amp with a tube power section would, the Fender SuperChamp X2 requires a load on the power section when the amp is powered on."

Not rhetoric, they didn't say that it couldn't be done, the Fender amp simply was not designed with a dummy load, such as it appears your other amp was. Your BS amp is not magic, or somehow beefier than a Fender, the BS simply has a dummy load to protect the amp when not plugged into a speaker. Therefore, do not run your Fender amp without a speaker or dummy load connected. Simple as that. :)

Rhetoric: the art of discourse; skill in the use of language; the power of pleasing or persuading.
It most surely was rhetoric!
....and How's that for matching your out-of-context quotes!
....and a "dummy load" is not the only way to address this issue.

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