unknown effects switch

[mrpeters]

i have a 4 button effects switch.going from left to right the switches are:echo,rotating sound,reverb,tremolo.there are red led's above swiches.the plug-in looks like the base of a large vacuum tube.it has 8 pins which are steel and a larger center pin which is plastic.any info at all would be very helpful.thanks!mike peters.

[LooseChange]

A picture is worth a 1000 words.

[stingray_65]

i have a 4 button effects switch.going from left to right the switches are:echo,rotating sound,reverb,tremolo.there are red led's above swiches.the plug-in looks like the base of a large vacuum tube.it has 8 pins which are steel and a larger center pin which is plastic.any info at all would be very helpful.thanks!mike peters.

What is it you want to know?
Where did it come from?
Do you have an ohm meter and know how to use it?

OH! and what LooseChange said! pics help us help you a lot!