when i turn off the standby it makes a loud pop sound

[esandes]

Re: when i turn off the standby it makes a loud pop sound

update: i fixed the problem.

i noticed whenever i plugged straight into the outlet at my place or my friends place it would make the sound. then when i plugged it into a power bar at another firend's place, it didn't make the sound. so i bought a power bar and sure enough...no sound. :friday:

 

[everdrone]

Re: when i turn off the standby it makes a loud pop sound

maybe i should take it back for a fix. it's a very loud pop. i'd say gunshot loud.

Im no pro, but I think all you need are earplugs and ur good to go









no seriously, if it is at one place and not another house, just realize how lucky you were. there is lots of bad power out there. you need a POWER CONDITIONER, not just a surge protector which only protects against extreme voltage - key word protects... you might wanna have a pro do a looksee to look over your amp after teh gunshotz...

 

[Toe-Knee]

Re: when i turn off the standby it makes a loud pop sound

As i've already said this is something that you should ideally get replaced. Regardless of your power situation it shouldn't be happening the switch will eventually fail. it could be a week from now or years but it is best to get it replaced especially as you said the amp is new,.

 

[davman]

Re: when i turn off the standby it makes a loud pop sound

this happens with the 1959RR. i don't recall this happening with my old 1982 JCM 800 2204.

so by turn off, i mean disengage so that no notes are amplified.

why is it doing this? is it normal? can it damage the speakers? should i take it in to get looked at?

It is happening because the two capacitors on the mains transformer HT secondary ends are missing on the Rhoads version of the 1959 SuperLead.
The HT secondary then acts as an ignition coil when the s/by switch is turned off.
It causes a spark across the s/by switch in its effort to keep the HT current flowing.

This problem is completely cured by re-instating these two capacitors - each has one end connected to 0v.
The other end goes to the HT secondary (so the HT secondary ends, have one capacitor connected to each).
Use 0.22uF, 250v ac, X2 types for reliability - & secure each cap in position with hotglue - a job for a techie!

You will find that there is barely a tiny 'click' after this mod is fitted , (as tested at The Sound Garden, UK).

Alternatively, if you run the amp from a Mains Power Conditioner/filter with an output capacitance of 0.1uF approx, you will get a similar result (since this capacitor is 'referred' across the mains transformer to the secondary).
Your comment in #21 seems to confirm this, but results may vary if other manufacturers use smaller capacitor values.

 

[GoldenVulture]

Re: when i turn off the standby it makes a loud pop sound

Welcome to the Forum.

It is happening because the two capacitors on the mains transformer HT secondary ends are missing on the Rhoads version of the 1959 SuperLead.
The HT secondary then acts as an ignition coil when the s/by switch is turned off.
It causes a spark across the s/by switch in its effort to keep the HT current flowing.

This problem is completely cured by re-instating these two capacitors - each has one end connected to 0v.
The other end goes to the HT secondary (so the HT secondary ends, have one capacitor connected to each).
Use 0.22uF, 250v ac, X2 types for reliability - & secure each cap in position with hotglue - a job for a techie!

You will find that there is barely a tiny 'click' after this mod is fitted , (as tested at The Sound Garden, UK).

Alternatively, if you run the amp from a Mains Power Conditioner/filter with an output capacitance of 0.1uF approx, you will get a similar result (since this capacitor is 'referred' across the mains transformer to the secondary).
Your comment in #21 seems to confirm this, but results may vary if other manufacturers use smaller capacitor values.

 

[Swampy]

Re: when i turn off the standby it makes a loud pop sound

It is happening because the two capacitors on the mains transformer HT secondary ends are missing on the Rhoads version of the 1959 SuperLead.
The HT secondary then acts as an ignition coil when the s/by switch is turned off.
It causes a spark across the s/by switch in its effort to keep the HT current flowing.

This problem is completely cured by re-instating these two capacitors - each has one end connected to 0v.
The other end goes to the HT secondary (so the HT secondary ends, have one capacitor connected to each).
Use 0.22uF, 250v ac, X2 types for reliability - & secure each cap in position with hotglue - a job for a techie!

You will find that there is barely a tiny 'click' after this mod is fitted , (as tested at The Sound Garden, UK).

Alternatively, if you run the amp from a Mains Power Conditioner/filter with an output capacitance of 0.1uF approx, you will get a similar result (since this capacitor is 'referred' across the mains transformer to the secondary).
Your comment in #21 seems to confirm this, but results may vary if other manufacturers use smaller capacitor values.

Well, next time I have an amp issue, I know who to ask.

Welcome.

 

[YJM_Rocks]

Re: when i turn off the standby it makes a loud pop sound

Maybe you have a bad ground at you house? Maybe he has a bad ground at his house? Maybe he cut the ground plug off of his surge protector? (please never do that) Maybe the power is dirty at your house.

 

[esandes]

Re: when i turn off the standby it makes a loud pop sound

Maybe you have a bad ground at you house? Maybe he has a bad ground at his house? Maybe he cut the ground plug off of his surge protector? (please never do that) Maybe the power is dirty at your house.

i checked the grounds with a plug in testing thing and it all came out fine. it's definitely arcing across the S/B switch.

 

[Chickenwings]

Re: when i turn off the standby it makes a loud pop sound

It is happening because the two capacitors on the mains transformer HT secondary ends are missing on the Rhoads version of the 1959 SuperLead.
The HT secondary then acts as an ignition coil when the s/by switch is turned off.
It causes a spark across the s/by switch in its effort to keep the HT current flowing.

This problem is completely cured by re-instating these two capacitors - each has one end connected to 0v.
The other end goes to the HT secondary (so the HT secondary ends, have one capacitor connected to each).
Use 0.22uF, 250v ac, X2 types for reliability - & secure each cap in position with hotglue - a job for a techie!

You will find that there is barely a tiny 'click' after this mod is fitted , (as tested at The Sound Garden, UK).

Alternatively, if you run the amp from a Mains Power Conditioner/filter with an output capacitance of 0.1uF approx, you will get a similar result (since this capacitor is 'referred' across the mains transformer to the secondary).
Your comment in #21 seems to confirm this, but results may vary if other manufacturers use smaller capacitor values.

nice