View Full Version : Velleman 8020 Pre Amp ( updated )
Velleman 8020 Pre Amp that's been updated with the info gained on this page ...
http://www.hardwareanalysis.com/content/article/1826/
See the Schematic links for the changes made.
I believe this disconnects the +6db gain option but it doesn't need it anyway as it has plenty.
I bought it after I sold my Promitheus TVC passive pre and it made an immediate difference for the better, more dynamic, more impact but still has clarity and detail too.
For the money it's a great little pre amp, and you can try different valves of course, I have Seimens Mica 3's in it at the moment, but it will be supplied with the Valvo valves that it came to me with. ( I'm keeping the Siemens ;) )
A few little marks on it but nothing too noticeable in use, there is a little mark on the top edge of the fascia but only seen if you look closely.
£225 including postage within the UK.
https://uploads.tapatalk-cdn.com/20190105/fbaeab5d6532cbd6a6835eaa63dc3a62.jpg
https://uploads.tapatalk-cdn.com/20190105/acdc9027f12e4d20da39c787037d7813.jpg
https://uploads.tapatalk-cdn.com/20190105/0d58e5bfe89e2b5121ec4d0d0ad10276.jpghttps://uploads.tapatalk-cdn.com/20190105/a5f6f73f42a697372e680e7c29fb05f8.jpg
Firebottle
05-01-2019, 12:07
Nice little preamp - GLWS
Nice little preamp - GLWSIt is, was a nice little stop gap for me but I have my eye on something else as usual lol
Bigman80
05-01-2019, 12:23
GLWS Mikey,
Good price that.
Still for sale, happy to swap or part ex for similar size pre.
DAC/Pre considered too but must have a great Pre side, the DAC/Pres engineer tried so far haven't been great on Pre output.
Lawrence001
19-01-2019, 08:44
Nice pre Mike I had thought about this when one came up previously about a year ago in a rather tragic sale (is this the same one?).
Can I ask where in the article the reviewer lists the upgrades so they can be replicated? Did you do them yourself?
Thanks, Lawrence
Nice pre Mike I had thought about this when one came up previously about a year ago in a rather tragic sale (is this the same one?).
Can I ask where in the article the reviewer lists the upgrades so they can be replicated? Did you do them yourself?
Thanks, LawrenceIf you look on page 2 of the link I posted called powering it up, you'll see a schematic link that shows the changes made to improve the amp.
http://www.hardwareanalysis.com/content/image/11779/
Firebottle did the work for me.
I think it's the same one as you mentioned.
Cheers
Mike.
Right, this is back up for sale after I decided to keep it months ago. However I've done a deal for a new pre amp so this is surplus to requirements.
Won't be posted until the replacement arrives, which should be in a couple of weeks ( hopefully sooner [emoji3526] ).
This really does sound good driving my Primaluna power amp and you'll wonder how the hell can it be so cheap.
So, have a look, buy it and I promise you won't be disappointed.
Can't edit original post to adjust asking price.
£225 inc postage.
Can't edit original post to adjust asking price.
£225 inc postage.
I've edited it for you Mike.
I've edited it for you Mike.That's great, thanks [emoji3526]
I should also say that this is LESS than it cost me including doing the revision on the circuit.
More than decent amp for money.. glws
More than decent amp for money.. glws
thanks, it certainly drives my £3500 power amp no problem and sounds great, it's taken a megabucks pre to replace it ;)
I'm just hoping having not heard the replacement that I like it :lol:
New pre amp here tomorrow so make me an offer, you never know [emoji6]
Stormin'Norman
13-09-2019, 18:59
Hi Mike, could you furnish me with dimensions.
Thanks, Norman
Sent from my SM-G390F using Tapatalk
Hi Mike, could you furnish me with dimensions.
Thanks, Norman
Sent from my SM-G390F using TapatalkHi Norman,
Dimensions:
290 x 165 x 68mm / 11.4 x 6.5 x 2.7"
Hope that helps.
Mike.
Stormin'Norman
16-09-2019, 22:13
As you're keeping the Siemens Micas, could you suggest some alternatives to the stock items. I'm not really up to speed on valve kit [emoji846]
Thanks
Sent from my SM-G390F using Tapatalk
As you're keeping the Siemens Micas, could you suggest some alternatives to the stock items. I'm not really up to speed on valve kit [emoji846]
Thanks
Sent from my SM-G390F using TapatalkHi Norman,
I have to admit I'm not up on valves/tubes either, I rely on reviews and advice from others.
I'm not averse to selling the Seimens valves but they're not cheap, I'm waiting to hear from the person I bought them from as I can't remember what I paid for them.
As soon as I know I'll let you know how much they would be with the Velleman.
Note: the Valvo tubes that came to me with the Velleman are pretty decent and are a decent stepup from cheapies. They were added to the pre by the previous owner. I don't think you'd be disappointed with them to start off with, then..... the sky's the limit with tube rolling.
Lawrence001
17-09-2019, 22:21
Valvos are usually pretty good.
Sent from my POT-LX1 using Tapatalk
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