With 100/60 watt models, 60 W position and 4 ohm jack?

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igfraso

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I am just curious about this. When I bought my first Boogie, back in the end of 1985, the operating manual said:

- with 100/60 watt models, we recommend that when you run a single 8 ohm speaker you use the 60 watt position and plug into a 4 ohm jack. This will give the strongest possible output without damaging the speaker.

- you may get more clean power by switching to 100 watts, and still more by also plugging into the 8 ohm jack, but remember to avoid lead tone distortion as it increases power dramatically and may cause speaker damage.

I understand that the above does not apply if the speaker is an EVM 12L 200 watt but it was intended to warn you in case your combo carried the Eminence 150 watt Black Shadow.

Has anybody had a blown 150 W Black Shadow by running the Boogie at 100 W and the speaker in the 8 ohm jack?
Thanks
 
Was Mesa overprotecting their Black Shadow speakers? Are they still posting the same warnings for the Mark IV with C90 speakers?

Anybody have any explanation?
Thanks
 

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