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View Full Version : 140 VOLTS fed to speaker


joeparaski
06-22-2008, 01:54 PM
That's what my tech guy measured on the amp the destroyed my 3.2 tl recently.

The upstairs system is up and running thanks to some club Polk members. The amp will be repaired and returned to service.

Damage was done only to the right side speaker. The crossover survived and and left side SDA speaker is ok.

Joe

mrbigbluelight
06-22-2008, 02:12 PM
I'd recommend holding the line voltage going to your speakers to 110v ... maybe 115, but no more.

:eek:


Ouch !


Which amp did you have driving the 3.1 tl ?

joeparaski
06-22-2008, 02:44 PM
I'd recommend holding the line voltage going to your speakers to 110v ... maybe 115, but no more.

:eek:


Ouch !


Which amp did you have driving the 3.1 tl ?


An older Bose 1800, it's rated at 250 wpm at 8 ohm. I guess it was tired.

Joe

audiobliss
06-22-2008, 05:02 PM
Oh wow. I s'pose that'll do it!

But, need I even say it? What'd you exPECT with that amp?!?!

:D

Phasearray
06-22-2008, 05:19 PM
Hmmm I wonder how this is possible. 140V going into the amp or out of the amp?

140V going into the amp = 140/8 17 amps into the speaker. Or 2400 watts.

BaggedLancer
06-22-2008, 07:00 PM
I bet it sounded badass while it worked. :D

joeparaski
06-22-2008, 08:13 PM
The amp should be ready this evening. My tech guy found a service bulletin referring to this type of failure and the fix to prevent it. I'll get it done to my other 2 Bose 1801 amps.

He also serviced my SAE 2500 amp that was cutting out. Adding new binding posts, rca connectors and upgraded power cord.

Joe