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This is the second Archived Forum which was active between 1st March 2012 and 23rd February 2022

 

Preamplifier for beolab8000

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Christian0
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Christian0 Posted: Wed, Nov 1 2017 10:08 PM

Hello, i search a preamplifier with volumecontrol to connect a fantastic  beogram4004 to the beolab 8000. If possible with tubes. Thanks! Christian

Dillen
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Dillen replied on Wed, Nov 1 2017 10:30 PM

B&O never produced anything like that.

Martin

Christian0
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I know but it is possible with a preamplifier from another producer? High end?

Steve at Sounds Heavenly
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Hi Christian0,

Why not look for a pre-owned B&O music system from the same era as the Beogram?  This will have a phono pre-amp built in to boost the signal, plus a radio in many cases and a good quality amplifier.

I can then provide cables and converters to safely use the Beolab speakers with ANY B&O music system, either old or new (even those without Powerlink sockets!)

Please let me know if this is of interest and I will be pleased to advise further.

Kind regards, Steve.

Steve.

www.soundsheavenly.com

Founder of Sounds Heavenly Cables and Brand Ambassador for Bang & Olufsen

Sounds Heavenly are proud to sponsor BeoWorld!

Please check out my YouTube channel at https://youtube.com/soundsheavenlycables

trackbeo
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Few turntable preamps have volume control, because the idea is they produce a uniform output, only applying the RIAA frequency curve.  I have no personal experience, but here are two tube phono preamps with some kind of control:

a) Rolls "Bellari VP130":  Cheap, so who knows what quality its volume pot is, but reviewers liked it.  Also has a high-pass filter ("rumble" filter) and a mute switch.

b) Pro-Ject "Tube Box DS2": Expensive, but only has output gain selector, not an actual volume control: 40-65 dB in 5-dB increments, and you can't "turn it down" easily, just cycle through its five settings.

If you don't want to get a BeoSystem as Steve suggests (and that is what I would do, too) -- consider a full, normal, preamp which has a phono stage built in as a standard feature.  That will typically give you tone controls too, and certainly a pre-amp's volume control will be better than either of the two above...  Good luck and don't forget to post what you finally choose, and review it!!!

pauljrog
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pauljrog replied on Thu, Nov 2 2017 10:14 AM

I have a Cambridge pre-amp from my Technics 1210 turntable to my Beocenter 9300 going to my Beolab 5's.

Sounds great.

 

Lonnie
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Lonnie replied on Fri, Nov 3 2017 11:40 PM

Hi Christian,

Have you thought about Tim De Paravicini's mid priced tube phonostage - EAR 834P? It does have a version with a volume control. I've been using one for about 10 years, but mine has no volume control. Not sure if it is high end but I like the design and enjoy the sound it makes.

Regards

Lonnie

Christian0
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Thanks tot the advice and I choose the beocenter 9500 and hope this  can work?Any  advice how tot connect?

Steve at Sounds Heavenly
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Hi Christian0,

Yes, this is a good choice.  the Beogram will connect directly to the Phono input of the 9500, no extra cables or pre-amp are needed. 

You then just need a couple of Powerlink cables to link the Beolab speakers to the Powerlink outputs of the Beocenter:-

https://www.soundsheavenly.com/powerlink-8-pin-din-connection/20-powerlink-mk-3-compatible-8-pin-din-cable-with-4-cores-wired-low-profile-cable.html

Kind regards, Steve.

(Post edited as I made an error in the original version!)

Steve.

www.soundsheavenly.com

Founder of Sounds Heavenly Cables and Brand Ambassador for Bang & Olufsen

Sounds Heavenly are proud to sponsor BeoWorld!

Please check out my YouTube channel at https://youtube.com/soundsheavenlycables

stefan
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stefan replied on Sat, Nov 4 2017 10:17 AM

BC9500 with BL8000 - one of the classics! Not really "high end", but that one would have been my choice too. For your BG 4004 you won`t need a preamp, because there is an inbuilt preamp on the phono socket. To connect your BL8000, just use two standard powerlink cables. Maybe you will need a fully wired cable, because BC9500 sends on/off signal via PIN1 and mute signal via PIN4, but I`m not quite sure about that....

Actually the BC9500 was my first Beosystem bought new in 1989, and I still have it. Enjoy your Beo!

Stefan

Jeff
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Jeff replied on Sat, Nov 4 2017 9:28 PM

If the OP is thinking of a traditional, full up tube preamplifier with its own phono stage, as opposed to a phono pre preamp with a volume control as some have mentioned, go with something modern. Be very leery of old classic gear that was originally designed to drive tube amplifiers. The mismatch between their output impedance and the input impedance of a solid state amplifier can create severe frequency response anomalies. I remember running an old Dyanaco PAS 3 tube preamp into a solid state amp and measuring it. Bass started to roll off at about 500 Hz and dropped like a rock, it was something like 30+ or so dB down by 30 hz. Not good.

Jeff

I'm afraid I'm recovering from the BeoVirus. Sad

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