Forte Model 4a

Heiney9 · 16th July 2007, 01:42 PM

Forte being a Threshold offshoot I thought I'd post a quick question in here. Not sure if Nelson was still with Threshold at the time or had anything to do with Forte, but I think he did.

I have Polk Audio SDAs1C's which will only operate safely with a common ground amplifier. Is the Forte 4a a common ground design? If not, can the negative binding post be tied together to make it a common ground amp.

I'm looking at purchasing a used one and I need to know if it will work properly with my SDA's?

TIA for a quick response.

-Brock-

jacco vermeulen · 16th July 2007, 03:53 PM

Sorry Bud,

to be or not to be
Forte Audio Model 4 +XLR inputs =Model 4a

(or is it Butd ? wish i had thought up a diyA name like that, me issa enviousa)

Nelson Pass · 16th July 2007, 06:27 PM

I'm pretty certain that it had a common ground at the output.

Heiney9 · 16th July 2007, 08:44 PM

Thanks Jacco as I remembered that thread after my hastie post. Thanks also to Nelson. I passed on the amp (no pun intended) based on the link Jacco posted.

16th July 2007, 01:42 PM	#1
Heiney9 diyAudio Member Join Date: Apr 2005 Location: MidWest	Forte Model 4a Forte being a Threshold offshoot I thought I'd post a quick question in here. Not sure if Nelson was still with Threshold at the time or had anything to do with Forte, but I think he did. I have Polk Audio SDAs1C's which will only operate safely with a common ground amplifier. Is the Forte 4a a common ground design? If not, can the negative binding post be tied together to make it a common ground amp. I'm looking at purchasing a used one and I need to know if it will work properly with my SDA's? TIA for a quick response. -Brock-

16th July 2007, 03:53 PM	#2
jacco vermeulen diyAudio Member Join Date: Oct 2004 Location: At the sea front, just under Rotterdam	Sorry Bud, to be or not to be Forte Audio Model 4 +XLR inputs =Model 4a (or is it Butd ? wish i had thought up a diyA name like that, me issa enviousa) __________________ Looks like Sponge Bob has killed another thread.

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16th July 2007, 06:27 PM	#3
Nelson Pass The one and only Join Date: Mar 2001	I'm pretty certain that it had a common ground at the output.

16th July 2007, 08:44 PM	#4
Heiney9 diyAudio Member Join Date: Apr 2005 Location: MidWest	Thanks Jacco as I remembered that thread after my hastie post. Thanks also to Nelson. I passed on the amp (no pun intended) based on the link Jacco posted.

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