[TechAssist] Re: Marshal Amplifier VTA150 Blows outputs.
- From: "al m" <ampm@xxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 18 Oct 2005 16:58:01 -0400
Yep speaker was off. Any advice?
Al Marquardt
ampm@xxxxxxx
Al Marquardt Electronic Repair
206 W Main
Girardville Pa. 17935
----- Original Message -----
From: "becyn" <becyn@xxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, October 18, 2005 4:52 PM
Subject: [TechAssist] Re: Marshal Amplifier VTA150 Blows outputs.
> "blew the outputs up in flames????"
>
> Is this a solid state Marshall?
> All of the Marshalls that I've dealt with had tube outputs.
>
> If it IS a solid state output, you probably damaged the speaker voice
> coil.
> A single shorted output will put DC out on the speaker. I ALWAYS remove
> all speakers
> from solid state direct coupled outputs untill I know what's going on
> with them.
>
> Jim McVey
> McVey Alltronix
> 327 Broadway
> Newburgh N.Y. 12550
>
> "If it doesn't play...
> CALL MCVEY !!!!!!"
> Factory authorized
> service for over 20
> major brands.
> 845 561 8383
> (Last of the Mohegans)
>
> al m wrote:
>
>>My friend brought this in. His kid plays in a band. It was blowing fuses.
>>I
>>put a fuse in and it blew the outputs up in flames. 2 yrs ago I put new
>>outputs in and away it went. I replaced the outputs with new outputs and
>>they both went up in smoke as soon as I turned it on. I don't work on
>>these
>>so if anyone can lead me in the right direction I would be grateful. I was
>>told a long time ago when you change outputs you should change the preamps
>>too but???? Oh I didn't connect the speaker to it but I don't think you
>>must. A print of the thing would be valuable.
>>Al Marquardt
>>ampm@xxxxxxx
>>Al Marquardt Electronic Repair
>>206 W Main
>>Girardville Pa. 17935
>>
>>
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