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View Full Version : BBC monoblock amps designed for Spendor LS3/5a but assume work for all similar loads



hughandella
24-12-2015, 14:53
http://i1316.photobucket.com/albums/t616/Chrismoore50/IMG_2033%20-%20Version%202_zpsez4zfnzd.jpg

http://i1316.photobucket.com/albums/t616/Chrismoore50/IMG_2037_zpsulzrepza.jpg

http://i1316.photobucket.com/albums/t616/Chrismoore50/IMG_2036_zpsofyxiico.jpg

http://i1316.photobucket.com/albums/t616/Chrismoore50/IMG_2034_zps6lbufojg.jpg

http://i1316.photobucket.com/albums/t616/Chrismoore50/IMG_2035_zpsqtbfwpnm.jpg

I bought these BBC made monoblocks on a whim but have since picked up a B&O Beomaster 4000 for a nice low price and want to spend money on that as a project .... here is the original description ...
I have for auction Two Mono-Block Amplifiers custom built by ex-BBC staff and specially designed to drive the Spendor LS3/5a speakers. These amps came with a pair of Spendor LS3/5a speakers I recently purchased which were previously installed inside a BBC studio and driven by these Mono-Block amps. My LS3/5a speakers are now connected to my Pioneer receiver, and therefore I have decided to offer these for sale as I have no use for them. I would imagine they would be collectable items for any LS3/5a owner.
As seen in the pictures, they come complete with the following:
2 x Mains Power Leads
2 x ROHS Compliant Stagg Professional Oxygen-Free Copper Audio Cables - Custom built for these amps and for connection to the BBC studio.

I havent been able to audition the amps as I dont have the right connectors --- they do power up i.e. get warm ... I think I paid an OK price as I assume BBC gear is of a certain standard -- they could be a gem, they look quite well made to my non professional eyes although obv not intended for display ... I liked that they have a short power cable for positioning right by a speaker and a longer interconnect --- I'm just looking to recoup my money -- I bought them sold as seen and can only sell them on as such -- with delivery I paid £120 for the pair -- anyone fancy a punt at the same plus a fiver towards delivery ? ... also if anyone has any further info they can add or experience of similar amps feel free to contribute --- I have a nagging feeling these might be rather nice little amps but I need funds for the B&O to satisfy that other whim ......
If the amps are a complete write off I am prepared to refund 50% so i think that's pretty fair and I only say it as i hate writing i didnt have the right connectors as it always seems fishy to me ( you will see I cut off one connector with a view to getting it changed but then the B&O popped up !!!

Firebottle
24-12-2015, 15:11
http://i1316.photobucket.com/albums/t616/Chrismoore50/IMG_2035_zpsqtbfwpnm.jpg

http://i1316.photobucket.com/albums/t616/Chrismoore50/IMG_2034_zps6lbufojg.jpg

http://i1316.photobucket.com/albums/t616/Chrismoore50/IMG_2036_zpsofyxiico.jpg

http://i1316.photobucket.com/albums/t616/Chrismoore50/IMG_2033%20-%20Version%202_zpsez4zfnzd.jpg

http://i1316.photobucket.com/albums/t616/Chrismoore50/IMG_2037_zpsulzrepza.jpg

Looks like I could get a job keeping folk out of trouble :D

Arkless Electronics
24-12-2015, 15:16
BBC spending cuts are getting worse :D

Firebottle
24-12-2015, 15:19
From the heatsink profile it looks like they may be based on something like this:

http://www.ilpelectronics.com/images/pics/HY2000.pdf

:)

Arkless Electronics
24-12-2015, 15:22
From the heatsink profile it looks like they may be based on something like this:

http://www.ilpelectronics.com/images/pics/HY2000.pdf

:)

Precisely what I was thinking!!

hughandella
24-12-2015, 15:23
http://i1316.photobucket.com/albums/t616/Chrismoore50/IMG_2035_zpsqtbfwpnm.jpg

http://i1316.photobucket.com/albums/t616/Chrismoore50/IMG_2034_zps6lbufojg.jpg

http://i1316.photobucket.com/albums/t616/Chrismoore50/IMG_2036_zpsofyxiico.jpg

http://i1316.photobucket.com/albums/t616/Chrismoore50/IMG_2033%20-%20Version%202_zpsez4zfnzd.jpg

http://i1316.photobucket.com/albums/t616/Chrismoore50/IMG_2037_zpsulzrepza.jpg

Looks like I could get a job keeping folk out of trouble :D

I expected some comments and if I'm way off then please say so openly --- but to my ( non trade ) eyes if i could pick up a pair of OK monoblocks for £120 I thought I was doing OK ------ if they are complete shi$e then just say so ( this sounds q angry sorry -- not my feeling, more of trying to be upfront and if i've bought a dud then so be it -- I'm not looking to hoodwink anyone else )

Desmo
24-12-2015, 15:51
I expected some comments and if I'm way off then please say so openly --- but to my ( non trade ) eyes if i could pick up a pair of OK monoblocks for £120 I thought I was doing OK ------ if they are complete shi$e then just say so ( this sounds q angry sorry -- not my feeling, more of trying to be upfront and if i've bought a dud then so be it -- I'm not looking to hoodwink anyone else )

We'd need to see inside the boxes to be able to comment on what you have there. The description does not tell much.

hughandella
24-12-2015, 21:15
We'd need to see inside the boxes to be able to comment on what you have there. The description does not tell much.

PastedGraphic-1.tiff sorry didnt attach will retry !

http://i1316.photobucket.com/albums/t616/Chrismoore50/IMG_2040_zpsssvazgzq.jpg

Firebottle
24-12-2015, 21:30
Looks like I could get a job keeping folk out of trouble :D

I am only saying this as the rules are to post pictures of the item, not just links, hence I posted the pictures for you.

Good luck with the sale,

:)

hughandella
24-12-2015, 21:43
http://i1316.photobucket.com/albums/t616/Chrismoore50/IMG_2040_zpsssvazgzq.jpg

inside the amps

hughandella
24-12-2015, 21:44
I am only saying this as the rules are to post pictures of the item, not just links, hence I posted the pictures for you.

Good luck with the sale,

:)

christmas stress on my part !! ... jingle bells

hughandella
25-12-2015, 00:04
Just wanted to have the first post on christmas day :) .... photos of internals added `matron' ... happy christmas all