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How to select Audio Generator Tube amp or Radio repair D-Lab electronics

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How to select Audio Generator Tube amp or Radio repair D-Lab electronics
Загружен 15 апреля 2018
Many inquires over the years on this subject. Since I had some down time, I thought it was the perfect time to provide my insight on choosing the proper ...

D-lab recommends how to repair tube amps best oscilloscope Iwatsu SS-5702
Загружен 19 апреля 2015
I get e-mails here and there asking " what is a good scope for repairing tube amps/electronics. I say: buy an inexpensive Japanese type. Leader/ Iwatsu, etc.

How to signal trace Fender Champ guitar amp Oscilloscope stage test D-lab
Загружен 30 мая 2017
As requested, here is a basic signal trace method via oscilloscope + audio generator. This is the way I normally go thru an amp looking for loss of signal.

Vintage Merrell 6V6 Tube audio stereo amp Restoration repair demo D-lab
Загружен 26 января 2015
Fresh off the bench. A cool Vintage amp made by Merrell. It was a kit amp, like Heathkit. At first, I wondered if I should put forth the effort to repair ...

How to repair weak distorted channel Realistic SA 1000 home stereo amplifier D-Lab
Загружен 5 августа 2018
Purchased the little jewel of an amp on ebay. Seller was honest, stating that it had a bad channel, true. I was impressed of it's great cosmetic condition and ...

How to repair Sansui AU-G77XII Integrated Stereo Amplifier No Output D-lab Electronics
Загружен 8 апреля 2018
This amp arrived D-lab in need of repair. Initially, I did not want to take it. Then I was thinking of past memories of repairing these in the Dorm USAF. I ...

How to troubleshoot Tube guitar amps with pulse generator by D-lab
Загружен 17 января 2016
Having several amps coming in the shop with strange problems, I thought it would be good to share this trouble isolation method. yes, you will need to locate a ...

Guitar Amp Repair Audio Signal Generator Loftech TS-1
Загружен 18 апреля 2008

How to check guitar amp frequency response Leader LSW-115 swemar audio sweep generator
Загружен 5 февраля 2017
A very cool high end of line amplifier tester. The Leader LSW-115 Swemar generator is a rare and valuable asset to your test bench. This instrument can assist ...

Electronic Repair- Sansui B-77 Stereo Power Amplifier!
Загружен 13 ноября 2018
Look over Mr Carlson's shoulder as he troubleshoots and repairs the display section in a Sansui power amplifier. Learn about using a signature tracer for ...

Tube amp Theater How to test amplifiers via oscilloscope by D-lab
Загружен 5 ноября 2015
I have had many requests for testing amplifiers using a dummy load and oscilloscope. The method is pretty straight forward. Not much equipment involved.

How to fix Radio tube amp Transformer Hum Buzz Vibration D-lab Electronics
Загружен 9 июля 2018
Here is a generic method for repairing a vintage power transformer that has excessive noise caused by loose iron core lamination's. I utilized DEFT to dampen ...

How to repair kalamazoo Model 2 Tube guitar amp Noise Hum by D-lab
Загружен 3 августа 2015
Yet another vintage amp hits the dock of D-lab. It has been a busy summer. Love seeing all the antique amps. Great to give them new life. This one just needed ...

How to remove tarnish from vintage radio test equipment switches by D-lab
Загружен 14 декабря 2015
Here is a easy way to remove that black tarnish from rotary selector switches. In this example, I chose an Iwatsu 5702 oscilloscope. This problem can be found in ...

Tube Guitar amp standby switch demo Myth buster Marshall Fender
Загружен 15 июля 2016
I have received many inquiries regarding the use of standby switches. I do not use them in my amps. I have always believed that a tube rectifier protects output ...

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