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Post subject: Adding extra amp to an early 70's vibrolux
Posted: Wed Nov 14, 2018 5:53 pm
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I wonder if someone who knows what they6re talking about can help me. I have an old vibrolux with the out on the back that says external speaker. Can I run a line from that to a little 5 watt tube amp? Don't want to blow anything up, she's been a great amp.


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Post subject: Re: Adding extra amp to an early 70's vibrolux
Posted: Mon Nov 19, 2018 2:52 pm
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No, don't do that. :shock:


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Post subject: Re: Adding extra amp to an early 70's vibrolux
Posted: Mon Nov 19, 2018 4:11 pm
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Yeah, the EXT SPEAKER jack is for a separate speaker load. Not for the input of another amp.
:mrgreen:


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Post subject: Re: Adding extra amp to an early 70's vibrolux
Posted: Tue Nov 20, 2018 12:31 am
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So I want to run two amps from my guitar. I read that these signal splitting boxes can weaken the signal from your guitar. Is that right? Whats the best way to do this?


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Post subject: Re: Adding extra amp to an early 70's vibrolux
Posted: Tue Nov 20, 2018 1:39 am
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Telecasterdisaster wrote:
So I want to run two amps from my guitar. I read that these signal splitting boxes can weaken the signal from your guitar. Is that right? Whats the best way to do this?


One of my friend run two amps in same time,It work very good.
I don't know wich kind of splitting box he use. I know he buy only high end stuff


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Post subject: Re: Adding extra amp to an early 70's vibrolux
Posted: Tue Nov 20, 2018 2:34 am
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The Radial Big Shot A/B/Y pedal will get the job done.

Forget about signal loss when splitting a guitar's output. Need more volume? Just turn the amps up!

Arjay

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"Here's why reliability is job one: A great sounding amp that breaks down goes from being a favorite piece of gear to a useless piece of crap in less time than it takes to read this sentence." -- BRUCE ZINKY


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Post subject: Re: Adding extra amp to an early 70's vibrolux
Posted: Thu Nov 22, 2018 5:41 am
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arjay is right-just turn up the volume! I run a zoom g5n into my allen accomplice. I run the other output jack into an alto powered speaker. it gives me way more volume than i'll ever need. of course I've added a twin reverb since then. it might get loud.


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Post subject: Re: Adding extra amp to an early 70's vibrolux
Posted: Thu Nov 22, 2018 10:34 am
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phreddybee wrote:
of course I've added a twin reverb since then. it might get loud.


YA THINK?

:wink:
Arjay

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"Here's why reliability is job one: A great sounding amp that breaks down goes from being a favorite piece of gear to a useless piece of crap in less time than it takes to read this sentence." -- BRUCE ZINKY


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Post subject: Re: Adding extra amp to an early 70's vibrolux
Posted: Thu Nov 22, 2018 12:25 pm
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An A/B switcher will work fine. Get a nice one. The Radial as mentioned is very good and is very inexpensive at $100 or so. Radial also has the Twin City which is a "Class-A Amp Switcher".

You are looking for an A/B/Y pedal with features like buffered input, true bypass, ground lift, phase invert switch, polarity switch, isolation transformer, tuner output perhaps....some claim photocell switching etc.

Another Radial, the Switchbone, has a built in power boost with a Mid control. Mesa Boogie has a nice one-the Switchtrack. Whirlwind Selector maybe? Be prepared to pay a few $'s for a good one. Don't buy inexpensive $30 type stuff like a Behringer or something.

I'm not telling you how to proceed but in my possibly worthless opinion :0), what you don't want is a cheapy pedal that clicks or pops when you change channels or is noisy in general and degrades your signal. I guess you could get such a cheap and nasty thing to test out if it is going to do what you want....at home in your home studio or music room, man cave etc..... and then get a really nice one to gig with. Either toss the cheapy in the unused and probably never to be used again pedal box..... or use it at home with your smaller practice amp rig if you have such a setup.


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Post subject: Re: Adding extra amp to an early 70's vibrolux
Posted: Fri Nov 23, 2018 1:45 am
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Ok sounds like I need a pedal. Not really after more volume just want a small amp close to me when playing live at a particular venue as the vibrolux won't fit right behind me, its way off to the side and I cant hear it. Thanks people.


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Post subject: Re: Adding extra amp to an early 70's vibrolux
Posted: Fri Nov 23, 2018 5:43 am
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But wait ... Why not just run a cable from the external speaker out to a speaker? Why use a whole other amp which will sound different than the Vibrolux?


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Post subject: Re: Adding extra amp to an early 70's vibrolux
Posted: Fri Nov 23, 2018 9:29 am
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I'm guessing because it will be 'as loud' as his amp....perhaps he just wants a little something as a sort of fold back system where he has independent control of it's volume. There is probably no monitor setup at that venue.
Although he did say he cannot hear his amp at all. Dunno m8. Although......in guitar player speak....."its way off to the side and I cant hear it" means 'as well as I would like'. Similarly, a guitar player saying 'I can barely hear myself at all' ......means the volume is perfect but he does not want the rest of the band to know this, because they would tell him to turn down.

But if that were me having the problem the OP is, I'd move somebody, or everybody.

Because, there is NO musician on ANY stage ANYWHERE in the world.......who is more important than the guitar player in the band. Guitar players more than anyone, need to be able to have the choice spot on stage, where he can hear himself perfectly, play as loud as he or she likes in order to achieve tone nirvana-place his pedalboard exactly where it needs to be ( as well as the 12 guitar rack stand )..... and have enough room for all his cool stage-showman moves. Taping out this area on the stage with bright orange day-glo gaffers tape that everyone else needs to stay out of, is good. Cute girl singers excluded....they're welcome inside the taped out cool zone anytime.

All horn players must chill!! Go wherever.

Keyboard players piss off and phone in your part..... and stop complaining about how much your gear cost while you're at it.

Singers go to the center of the stage and STFU-cute girl singer excluded.

Drummers......in the corner and lose the extra kick drum, 18 tom toms, 24 cymbals and all the percussion crap...especially the cowbell on that stupid hexagonal L-bracket and that dumb tinkly-tinkly chime bar thing. And stop hitting your damn crash cymbals every time I come over during my big guitar solo, when I stick my head over the rack toms and act like I like you and we are getting down together. You're killing my ears bro! What's the matter for you?

Bass players....you are in guitar player category because you play a guitar, albeit one with too few strings. So you get to have second choice where you want to be on stage....as long as it is next to the hi-hat.

Just saying'! 8)


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Post subject: Re: Adding extra amp to an early 70's vibrolux
Posted: Fri Jun 07, 2019 5:19 am
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In the old days, we'd add amps like this: you make sure everything is turned off or down, you plug your instrument into the first input of one of the channels, you plug another guitar cord into the second input of the same channel, and lastly, you plug that second cord into the first input of a channel in the 2nd amp! As far as I know it's safe to do this and you can keep doing it until you run out of cords or amps. Be aware, however, that if you want to be truly cool you have to run coil cords from amp to amp!


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Post subject: Re: Adding extra amp to an early 70's vibrolux
Posted: Fri Jun 07, 2019 7:55 am
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Redfarfisa wrote:
In the old days, we'd add amps like this: you make sure everything is turned off or down, you plug your instrument into the first input of one of the channels, you plug another guitar cord into the second input of the same channel, and lastly, you plug that second cord into the first input of a channel in the 2nd amp! As far as I know it's safe to do this and you can keep doing it until you run out of cords or amps. Be aware, however, that if you want to be truly cool you have to run coil cords from amp to amp!


Those "old days" protocols will exact a toll in available signal gain when daisy-chaining amps.

We entered the 21st century nineteen years ago -- get with it

:mrgreen:
Arjay

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"Here's why reliability is job one: A great sounding amp that breaks down goes from being a favorite piece of gear to a useless piece of crap in less time than it takes to read this sentence." -- BRUCE ZINKY


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Post subject: Re: Adding extra amp to an early 70's vibrolux
Posted: Mon Jun 10, 2019 7:25 am
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You're right! I keep forgetting it's the 21st century when you can buy a brand new '50's Telecaster to plug into your brand new '60's Deluxe Reverb! :D


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