Cant say I am over enthusiastic about this model, for no particular reason, and therefore never had one apart as yet....and as i'm short of a project right now I thought for 40 quid I would give it go. Looks like it may have had a bit of a hard life, the lid fell off the case when I picked it up.....could have been damaged in transit.

Went ahead and connected up the Variac, multimeter in series, and slowly powered up.....very little current at 240vac however no signs of life.

Replaced some lamps (12v @ 30ma) and things looked better.

Plugged the Ipad into the TAPE input and sent it some Floyd.....right channel responded, left channel " made a rustling sound that will be something simple and easy to fix" ;~)

The Floyd could still be heard in the left channel with the rustle overlaying it, when all inputs are switched OFF and no inputs connected the "rustling@ sound is still present......to be honest its more of a roar, bit like the noise a wave makes breaking on the shore.....but prolonged, none the less I think shes worth saving and she'll keep me out of the pub in the evenings 😂 

Nice inside though isn't it?It doesn't seem to have been thrashed or contaminated with gunge like some!!!

It should scrub up well too,and with one of Dillens preset cover's in place,it will look a treat.

Shame about the casework.If they are clean breaks,you should be able to glue it back together?

The "something simple etc"causing the missing channel is almost certainly a dodgy tantalum bead coupling cap on the main board.A re-cap etc of that pcb is a must as a matter of course.

If the mains transformer is nice and quiet  too,the whole unit should be well worth restoring.

Get some can's in and give the pub a miss.I'd rather listen to the Floyd,but then I probably need to get out more!

Nick

My BM3000-2 (S/N 59488) has a reversed polarity and placing of C472/473 and C561/568 compared to yours.  Other than that, it looks the same.

I wonder if there was a design change somewhere along the line?

As a matter of interest, how do you determine polarity of colour coded tants?

Simon

Krolroger wrote:

My BM3000-2 (S/N 59488) has a reversed polarity and placing of C472/473 and C561/568 compared to yours.  Other than that, it looks the same.

I wonder if there was a design change somewhere along the line?

Yes.
The preamp board was also changed - more than once.
- And some have RCAs and DIN while others only have DIN.

Krolroger wrote:

As a matter of interest, how do you determine polarity of colour coded tants?

Pins down, facing the spot, right pin is positive.

Martin

Here's a curious thing, the manual I have, and the one in the library here, states the quiet current should be set to 100mA. As a matter of course before I start to look around I decided to check it out.....both channels are currently set around 21.0mA......I'm reluctant to change this without a second opinion.....any offers?

Craig