There is indeed dc on the 5kA phones output.
When I plug in a headphone I hear a loud pop (almost to the
level it makes me think it'll be blown).
I asked once why on earth this is needed, and got the answer that
blocking this DC (by transformers or capacitors) would also block
the lowest audio
change.
73,
Patrick NJ5G
-Original Message-
From: Bill Guyger via FlexRadio
Sent: Saturday, November 22, 2014 10:04 PM
To: Mike Sonn
Cc: flexradio
Subject: Re: [Flexradio] Flex 5000A w/earbuds
Heating in headphones and speakers is usually caused by D.C. coming out of
the amp. I
: Patrick Greenlee patric...@windstream.net
To: Bill Guyger bguy...@yahoo.com; Mike Sonn
fatfend...@sbcglobal.net
Cc: flexradio flexradio@flex-radio.biz
Sent: Sunday, November 23, 2014 7:37 AM
Subject: Re: [Flexradio] Flex 5000A w/earbuds
A capacitor in-line of sufficient rating to handle the voltages
: Patrick Greenlee patric...@windstream.net
To: Bill Guyger bguy...@yahoo.com; Mike Sonn
fatfend...@sbcglobal.net
Cc: flexradio flexradio@flex-radio.biz
Sent: Sunday, November 23, 2014 7:37 AM
Subject: Re: [Flexradio] Flex 5000A w/earbuds
A capacitor in-line of sufficient rating to handle the voltages
Guyger
Cc: Mike Sonn ; flexradio
Subject: Re: [Flexradio] Flex 5000A w/earbuds
There is indeed dc on the 5kA phones output.
When I plug in a headphone I hear a loud pop (almost to the
level it makes me think it'll be blown).
I asked once why on earth this is needed, and got the answer
, 2014 7:34 AM
Subject: Re: [Flexradio] Flex 5000A w/earbuds
There is indeed dc on the 5kA phones output.
When I plug in a headphone I hear a loud pop (almost to the
level it makes me think it'll be blown).
I asked once why on earth this is needed, and got the answer that
blocking this DC
fatfend...@sbcglobal.net
Sent: Sunday, November 23, 2014 7:34 AM
Subject: Re: [Flexradio] Flex 5000A w/earbuds
There is indeed dc on the 5kA phones output.
When I plug in a headphone I hear a loud pop (almost to the
level it makes me think it'll be blown).
I asked once why on earth
Sent: Sunday, November 23, 2014 7:34 AM
Subject: Re: [Flexradio] Flex 5000A w/earbuds
There is indeed dc on the 5kA phones output.
When I plug in a headphone I hear a loud pop (almost to the
level it makes me think it'll be blown).
I asked once why on earth this is needed, and got
On 11/23/2014 9:19 AM, Patrick Greenlee wrote:
I once had a tube type lab grade audio power amp with a switch on
both channels to roll off freqs below 8 Hz for uses such as music so
power would not be wasted in reproducing infra-sonic signals from
such as footsteps vibrating a phono cartridge.
: Rob Keijzer pa3...@amsat.org
To: Bill Guyger bguy...@yahoo.com
Cc: flexradio flexradio@flex-radio.biz; Mike Sonn fatfend...@sbcglobal.net
Sent: Sunday, November 23, 2014 7:34 AM
Subject: Re: [Flexradio] Flex 5000A w/earbuds
There is indeed dc on the 5kA phones output.
When I plug in a headphone
From: Rob Keijzer pa3...@amsat.org
To: Bill Guyger bguy...@yahoo.com
Cc: flexradio flexradio@flex-radio.biz; Mike Sonn fatfend...@sbcglobal.net
Sent: Sunday, November 23, 2014 7:34 AM
Subject: Re: [Flexradio] Flex 5000A w/earbuds
There is indeed dc on the 5kA phones
Anyone else use earbuds? I've used a set for years with my Flex 3000. I
now have upgraded to a FLEX 5K and when I stuck my earbuds in for the
first time, they were very warm. I thought I had them leaning against
something warm in the shack, but after sitting on the desk for 10
minutes, they
Heating in headphones and speakers is usually caused by D.C. coming out of the
amp. I underline usually maybe something I'm not considering though.
Bill AD5OL
Sent from my iPhone
On Nov 22, 2014, at 8:27 PM, Mike Sonn fatfend...@sbcglobal.net wrote:
Anyone else use earbuds? I've used a
Forgot to add grab a voltmeter and check for DC
Bill
Sent from my iPhone
On Nov 22, 2014, at 10:04 PM, Bill Guyger via FlexRadio
flexradio@flex-radio.biz wrote:
Heating in headphones and speakers is usually caused by D.C. coming out of
the amp. I underline usually maybe something I'm
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