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Topic: Mike Brown question |
David Doggett
From:
Bawl'mer, MD (formerly of MS, Nawluns, Gnashville, Knocksville, Lost Angeles, Bahsten. and Philly)
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Posted 5 Aug 2005 3:24 pm |
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| Mike, I posted this as a reply to a previous headphone question, but I guess you didn't see it. I had a 1/4" speaker jack installed on the back of my NV400, and a 1/4" mono plug put on my speaker wire. Now, just like on the old Fenders, I can unplug the speaker. I can then plug a mono-to-stereo adaptor into the speaker jack, and plug my headphones into that. This doesn't seem to hurt the headphones. Can it hurt the amp? Most headphones are 4 ohms or more impedance. It seems crazy, but the loud volume from the amp's speaker comes from their massive magnets and large cones. The tiny little headphone speakers are not very efficient, and they are no where near as loud as the amp's speaker would be. Speakers are speakers, and the actual current going out the speaker jack is apparently not that different from what typical headphones need. Of course I start with the volume all the way off, and increase to a comfortable level. With most phones you don't need to go very far on the volume knob, but it takes more volume than you might expect. Your ears will keep the volume to a level that seems safe for the phones. I have done this for years with Fender tube amps, and now also do it with my NV400, example for tuning silently on a gig. Is this safe for the amp? What about for tube amps? |
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David Doggett
From:
Bawl'mer, MD (formerly of MS, Nawluns, Gnashville, Knocksville, Lost Angeles, Bahsten. and Philly)
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Posted 6 Aug 2005 10:54 am
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David Doggett
From:
Bawl'mer, MD (formerly of MS, Nawluns, Gnashville, Knocksville, Lost Angeles, Bahsten. and Philly)
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Posted 7 Aug 2005 10:43 am
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Mike Brown
From:
Meridian, Mississippi USA
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Posted 8 Aug 2005 12:56 pm
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Hello David,
Sorry that I missed the first post about this subject. The amp will operate fine with a minimum 4 ohm load. BUT, IF THAT JACK SHORTS WHILE YOUR HEADPHONES ARE ON YOUR HEAD, YOU ARE IN TROUBLE! SPELL "D-E-A-F".
Not recommended.
Mike Brown
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David Doggett
From:
Bawl'mer, MD (formerly of MS, Nawluns, Gnashville, Knocksville, Lost Angeles, Bahsten. and Philly)
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Posted 8 Aug 2005 1:02 pm
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| Thanks, Mike. Would some kind of fuse in the line safeguard against damage to the headphones or ones ears? |
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John Bechtel
From:
Nashville, Tennessee, R.I.P.
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Posted 8 Aug 2005 5:49 pm
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WHAT?! Hello! Did someone say something?
------------------
“Big John” Bechtel
’04 SD–10 Black Derby w/3 & 5 & Pad
’65 Re-Issue Fender Twin–Reverb Custom™ 15” Eminence
web site
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