FDP Forum / New 68 Custom DRRI Amp "Pops" (loud) on Standby?/ 7 messages in thread.

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dadthrash



USA

Dec 9th, 2016 06:07 AM        

New to Fender Electric Guitars and Amps. Picked up a new 68 Custom Deluxe Reverb Amp and every time I switch to "Standby" it "POPS" loudly!<br /> <br /> Is this normal?<br /> <br /> Please excuse my lack of knowledge here. The Display model I played at the store I do not remember it doing that at all. I called Fender and they said to try it for a bit and if it doesn't stop to return/exchange it. Just thought I would check in with this knowledgeable group.<br /> <br /> Note: I always start the Amp on Standby (minimum 30 seconds). When I switch it off Standby it works fine. Only "POPS" when I switch to standby mode. The "POP" is LOUD! Also, the Amp plays/sounds great once it is on.<br /> <br /> Appreciate any and all info.<br /> <br /> Best,<br /> Michael<br />



amphead4

Contributing Member
********

Cincinnati, USA

Dec 9th, 2016 06:23 AM        

Output tubes might not be well matched.



dadthrash



USA

Dec 9th, 2016 06:28 AM        

Guess I should add some more info.<br /> <br /> -Pops whether I am plugged in or not.<br /> -Pops whether Amp volume is on or off.<br /> -Pops whether Guitar volume is on or off.<br /> <br /> Amp Settings:<br /> V-3<br /> T-5<br /> B-5<br /> R-2.5<br /> T-off<br /> <br />



BrentD

Contributing Member
********

United States

By Grabthar's Hammer, what a savings.
Dec 9th, 2016 06:51 AM        

My DRRI pops, too.



heavypic



USA / Pennsylvania

heavypic
Dec 9th, 2016 11:01 AM        

OP - <br /> <br /> I bought a new 65 DRRI (wheat/wine red model) earlier this year. Mine also pops when using the 'standby' switch. I stopped using the standby switch and just turn down the volume down at start-up, when switching guitars, and at shut down. No other complaints about the amp...it sounds great...<br /> <br /> I haven't replaced the stock tubes yet or adjusted the bias setting. However, I'm not sure that will make a difference. I'm planning to check the 'Eurotubes' site for their recommendation for tubes and bias setting. Perhaps we'll hear from an amp expert here on the forum.



Tony F



Long Island, NY

When you come to fork in road take it
Dec 9th, 2016 04:24 PM        

When you turn the amp on just turn the power switch leaving the stanby off wait a minute or so then bring the stanby switch to the on postion. When shutting the amp off turn the stanby to the off postion then the power switch to off. I don't think the tubes have anything to do with the pop it's simply in the amps design and nothing to worry about. It can even be intermident at times.<br /> Leo never wanted a standy switch but added it after feedback from players in the 50's.



dadthrash



USA

Dec 10th, 2016 09:11 PM        

Thanks to all for your input.<br /> <br /> Best,<br /> Michael



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