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i have a bose 1800 series 2 workstation amplifier worth????
i have a bose 1800 series 2 workstation amplifier worth????
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Old 21st September 2008, 12:28 PM   #1
homertooties is offline homertooties  United Kingdom
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Default i have a bose 1800 series 2 workstation amplifier worth????

I can not find any info on this amp at all anybody know its value....


Absolute monster working perfectly......

Everytime i google it it comes up with wrong one.....

Mine has got twin toroidals twin pairs of RIFA caps

12 2sa/2sc sanken...to3 per channel

Weighs the planet......

Contacted Bose even they sent me wrong schematic
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Old 21st September 2008, 12:46 PM   #2
AndrewT is offline AndrewT  Scotland
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maybe some one has re-labelled it to impress their friends.
I thought Bose were incapable of making good equipment based on what they offer to the public.
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Old 21st September 2008, 01:24 PM   #3
forr is offline forr  France
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Yes, once upon a time, Bose made very high power amplifiers.
Comments I read said it is very reliable and healthy in bass.
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Old 21st September 2008, 01:31 PM   #4
homertooties is offline homertooties  United Kingdom
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Default bose

Hi thanks for reply about arcam going through the motions,other channel has blown its output while i was other engaged,,,

Apparently these amps had issues with the mosfet substitute as original went osolete,modifications had to be made,these have checked and all done on the board,,,lokks like ebay spares there it goes...

As for bose yeh i agree they make crap speakers anyway ..this amp
weighs in at nearly 30 kilo,s using bd(philips) pre and drivers generous heatsinks,78 vdc rails ,overheat protection......

Sounds very good actually was given to me for free as when you switched it on it would trip the main fuse box.....

Easy repair mains lead had been stretched and was shorting out.....

Going on ebay soon as not needed......



Regards
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Old 21st September 2008, 04:40 PM   #5
dmills is offline dmills  United Kingdom
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If it is the one I am thinking of it is a 1980s vintage PA amp (2U rack??), totally conventional circuit, weighs a ton, does maybe a KW total into 4 ohms per side and has a pin one problem.

Not worth much these days, too heavy, and a more modern amp will have better spares availability (And be lighter, more efficient, more reliable....).

They (Unlike the 802) were reasonably good amps in their day, but not competition for modern Lab Gruppen FP series or the like.

Regards, Dan.
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