whizzzy

It's difficult to see from the photo but I doubt that the replacement cap needs to be a non polarised electrolytic. If you can see a polarity marking (+) or (-)adjacent to either leg this would confirm that it is just a standard electrolytic type. If there are no polarity markings then it could well be a non-polarised version, however I think that NP just possibly refers to the manufacturer. The schematic arrangement looks about right, ie C103 / C103 being set at around 100pf. 100P means 100 pico farad where as the cap you have taken out is 1 uF or micro farad. C102 / C103 along with R104 and VR101 will affect the negative feedback loop on the ic. They will set the gain and frequency response of the respective amplifier sections. The values indicated in the schematic look typical to me. I frequently come across discrepancies between schematic diagrams and silk screening on pc boards so I wouldn't let that worry you. You've clearly identified that the electrolytic cap has an intermittent problem so just replace it with like for like and hopefully that should resolve things.

Bought a book off Daryl. Easy to deal with, a real credit to BC. Enjoying the new read! Thanks Daryl.

Just bought a pedal of Tony. Nice smooth transaction, just like you want it to be and the item was received promptly and well packaged. An asset to the BC community and yet one more good reason why BC is the best place to trade. Thanks again Tony.

Sold an amp to Chris. Ultra smooth transaction, just like you want it to be. Will have absolutely no problems in trading with him in the future. A credit to the BC community. Thanks Chris.

Bought a book of Mickey. Super smooth transaction, arrived in immaculate condition the next day. Another great asset to the BC community. Thanks again Mickey.

Just bought a case off Martyn. Nice smooth transaction, just like you want it to be and the item was received promptly and well packaged. An asset to the BC community and yet one more good reason why BC is the best place to trade. Thanks again Martyn.

Just bought some kit off Stevie. Nice smooth transaction, just like you want it to be and the item was received promptly and well packaged. An asset to the BC community and yet one more good reason why BC is the best place to trade. Thanks again Stevie.

Did swapsies on a bass amp with Andy. Ultra smooth transaction, just like you want it to be. Will have absolutely no problems in trading with him in the future. A credit to the BC community. Thanks Andy

Sold a mini mixer to Kevin. Ultra smooth transaction, just like you want it to be. Will have absolutely no problems in trading with him in the future. A credit to the BC community. Thanks Kevin

Just bought a telecaster off Tom. Nice smooth transaction, just like you want it to be and the item was received next day and well packaged. An asset to the BC community and yet one more good reason why BC is the best place to trade. Thanks again Tom.

By chance I happened to pick up a couple of AKG C5900 condenser mics a few years ago and fell completely in love with them. They are streets ahead of the SM58 in terms of clarity, fullness of sound and feedback rejection. Whenever I see one now selling for a reasonable price I snap it up. A couple of years ago I A/B'd the C5900 against the D5 which I have to say I wasn't overly impressed with. The Sennheiser E365 also gets my vote. Once again its a condenser mic and comes a close second to the AKG C5900. Interestingly I have an original SM58 made in the USA and a few years ago made a direct comparison to the Mexican SM58 and found it was quite different in that the Mexican version had less clarity and presence and tended to overload easier. It is certainly a step backwards in terms of performance.

This doesn't directly answer your request for a schematic for the AH600SMX but you can download schematics for other Trace amps here . I have looked at the DI stage in the GP12X pre-amp circuit and it looks a fairly standard configuration using two halves of a TL072 op amp. Then looking at a schematic from an Ashdown amp this configuration seems almost identical so I would hazard a guess there is a fairly strong chance that the AH600SMX isn't going to be too different to this. That may help to give you some pointers in the absence of the actual circuit diagram.

Fender sell a gig bag for the Coronado which is their part number 099-1622-206. On the basis that my Fender Coronado fits in the JC Epiphone hard case I think there is a good chance that the Jack Casady will fit in the Fender gig bag. Having said that the Fender gig bag is again not all that easy to come across, but it may broaden your options.

Sold a graphic pedal to Loz. Nice easy deal. Good comms throughout the whole time and a pleasure to do business with. Welcome back any time. Thanks Loz and hope you enjoy the graphic eq.