Norris

I got a reply from Aaron. If your pickup has a brass plate on the bottom (as some of them have apparently) it might be repairable. If it's epoxy it definitely can't. He also says they wind each pickup to order so it can be authentic or a bit hotter. I read a TB thread from someone who had a hotter wind and said it made the varitone a lot more usable especially at the muddy end of the scale. But then I quite like how it used to sound. Anyway, pickup out tonight to inspect its bottom ,,,

I tried to measure the full coil (red & white leads) and each individually (red to black & white to black) and couldn't get a reading off either. Anyway I've fired an enquiry off to Armstrong so I'll see what they come up with

The black box is unplugged so I should be measuring just the resistance of the pickup coil. I was getting a reading on the maximum scale of my meter but realised I was touching both probes. When I measured without touching them I couldn't get a reading. It still makes a very quiet sound though and not intermittently either

Hmmm... measuring the resistance of the pickup looks like it's open circuit, but if it is how on earth is it making any noise at all? Admittedly my multi-meter could probably do with a new battery, but it's not measuring a resistance on the pickup when it does if I touch the probes (i.e. my resistance)

As I said it's low volume even with the varitone switched (and that switch has just been replaced too as the toggle had snapped off) so I think it's either the pickup or the black box at fault. Last night I had it through my Fender Rumble 500 combo at what would normally be deafening volume. I'll measure the resistance of the pickup when I get home tonight. It wouldn't be difficult to make a new black box either (and a sight cheaper for a diagnostic test)

Thanks. I'll give that a go and let you know Edit: Just in case I need to find the Kent Armstrong page again for a replacement p/up ... http://www.armstrongpickups.co.uk/miscellaneous-pickups/

[quote name='Bloodaxe' timestamp='1430895476' post='2765572'] Could be the op-amp on the fritz, but the reference to "damp conditions" makes me think that the contacts in the varitone switch might have become oxidised. If possible, shoot some switch cleaner into it and give it a good going back & forth. Same goes for the toggle switch. P. [/quote] Good call. I've just whipped the black box out of the bass and it looks in good condition. The potting compound is still shiny and looks well sealed. The volume is still well down though even with the rotary control switched out. Still going by the link to the chap that reverse engineered his mk1 circuit, there's not a lot in there. I might follow him and make a replacement. Time for a trip to Maplin I think. Btw to confirm, mine has the 10 pin connector

It's the original circuit, so is 35 years old. The bass spent a couple of years in storage in less than ideal conditions i.e. slightly damp - and hence why it's had a complete refinish. So there is a high probability the circuit has degraded. The rotary tone selector works to a certain extent but the output in all modes is way too low. Possibly an op-amp not working correctly?

Actually I just compared it to another (passive) bass and the volume is way down.

If you don't mind me resurrecting this old thread (as it's relevant)... I have just got my SB-1000 mk1 back from a refinish but have a bit of an issue with the tone selector. The volume seems to drop a lot with each step away from 'bright'. Any idea why? The rest of the controls seem to work fine and I've had the worn out jack socket replaced. It's working lovely apart from the tone selector rotary switch

We auditioned a guitarist once, and to be fair he did actually bring a guitar with him. However he barely played a note and spent most of the audition listening in awe to the rest of us. I think he probably realised he wasn't good enough. Needless to say he didn't get the job. Bizarre audition though

[quote name='MiltyG565' timestamp='1430220654' post='2759045'] Try a set of steel strings and see if you get better luck with them. I always recommend D'Addario Prosteels as a high-quality steel string at a reasonable price. [/quote] I've used the EBs for 20 years, but have just ordered a set of Prosteels from you to try. Decent price too

Cover the case in LED strips and have it whatever colour you fancy at the time

I just tried my Stagg EUB through it at home and it sounded great

[quote name='spongebob' timestamp='1430498995' post='2762128'] My Fender Rumble amp is 2x10. It is very loud and full by itself. Easily fine for gigs (I have gigged it, and it was plenty [/quote] Ditto

My most common one at the moment is one particular song where I have a specific set of patches. One of these does a wah sweep on the expression pedal of my multi-fx pedal, so I have removed the usual volume control from the other patches in that set due to the quick changes needed. Of course the song that follows is back to the regular volume-controlled patches. I remember to change the patch but far too often forget to "step on the gas" again! Then I wonder why nothing comes out during the big intro

It's the first amp I've had that sounds pretty decent with flat EQ

It's no use trying to EQ it at home. It didn't take long to dial in a tone I liked as it produces some very usable sounds. I took out a bit too much of the lower mids at first and lost my normal punch - the controls are a lot different to my old amp's 7 band EQ

[quote name='Funky Dunky' timestamp='1430324611' post='2760338'] Been swotting up on your suggestions, chaps, and the Fender Rumble 500 has the lead (badump-tsh!) at the minute in terms of price and features. I can't find anywhere around with one in stock, unfortunately, they all seem to stock the smaller Rumbles but not the big daddy. Andertons have them for £480 - seems like a bargain for what this amp has to offer. Is it really only 36lbs? ... Oh, and I've seen people drawing comparisons between the Fender Rumble and Genz Benz. Do they share circuitry or components? [/quote] I got mine from GAK and they price-matched the German Muzic Productiv (probably not even close to correct spelling) site, a fair few quid cheaper than the price you mentioned. Apparently the V3 Rumbles have nothing at all in common with GB amps

The Fender Rumble 500 combo could tick a lot of boxes for you. There again I'm probably biased, being very pleased with mine. It's cheap, light and powerful and even has a headphone socket

Welcome to the club Glad you like it. We have a couple of weeks off atm and I'm itching to use mine again. I must try the EUB through it. Nice review too

Gorgeous bass! I've just had my mk1 refinished. Thread coming soon...

Frankenstein by the Edgar Winter band Witch Queen by Redbone (rearranged so I play the main riff) Motorcycle Emptiness (simple line but sounds great - I like it for the song itself) And strangely enough, Maggie May, 'cos it always goes down a storm with the crowd

I've used Ernie Ball Regular Slinky strings for years (the bright yellow pack)