Anonymous asked: I have a Yamaha Psr 9000 the touch sensitivity has gone on a couple of keys, can you fix this and how much will it cost ?

i would need to get the keyboard on my bench to test it before i can give an accurate quote…we charge $100 per hour to fix keyboards billed in 1/2 hr increments…

Anonymous asked: Never thought to ask but do you guys do amp modifications?

hi, yes we do but it depends on the amp and what kind off mod you are looking for…

Anonymous asked: how are you doing i was wondering if u guys fix pioneer cdj1000 mk1 cd players mine just went on mee

cdj 1000mk1 do not have many if any parts available anymore…sorry

i will be in this sat from 1-3pm for any pickups or dropoffs. er 1 day service will also be available that day.

thanks, mike

Anonymous asked: do you fix mini helicopters? I smashed mine... :(

beat….no sorry

Hi all, Micri has updated our used gear page. If interested in anything listed for sale please call us asap as this stuff tends to move fast.

—-Mike

Hi all…unfortunately, Saturdays are now by appointment only for now. Please call ahead of time to make sure I am in. Also check out our for sale link…I put  few items up to move..

Thank You, Mike

Hey all, i’m back and busy as ever. if you need to drop off, we are back to normal hours of operation.

As an incentive to get your amps retubed before winter, we are offering a 20% discount on all retubes that mention you saw this add on my webpage.

Thanks to all, Mike

Anonymous asked: What is a tube?

good question, a  vacuum tube is used for many different applications in electronics. in a tube amplifier (to which i think you are referring) uses 3 different type of tube ..rectifier, which changes ac current to dc current, preamp tube, which takes a small input signal amplifies it to a specific gain ratio..and output tube…takes amid size signal and amplifies it to a set output wattage..(based on plate voltage and bias