which amp for passive subs alongside 28b's

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Marius

which amp for passive subs alongside 28b's
« on: 22 Mar 2015, 10:03 am »
HI James,

Im considering a passive dipole and stereo sub option http://www.quad-musik.de/html/sub63qa.html to go with my Quad ESLQA's, custom built at QuadMusikwiedergabe http://www.quad-musik.de/html/esl63qa.html

Went over to Gering yesterday, as was astonished (and sold....) at the level of improvement between the regular ESL and the rebuilt QA version.  :thumb:

Hopefully i can use my 10bsub crossover, but im not sure which amp to use for the 2 subs, one per channel obviously. And, how would one adjust volume level on these, assuming they are not dealt with by the bp26.

My current Rel b1 is active (has its own amp, and volume adjustment), and even so has an extra resistance built in the connecting cable, to match the volume on my regular ESL 63, crossing over at 90hz. Works wonders, even in Mono setting.

Hope te achieve an even better system with the dipole stereo subs, but need some extra guidance ....

Please give me your thoughts?
Thnks,
Marius
« Last Edit: 22 Mar 2015, 11:08 am by Marius »

James Tanner

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Re: which amp for passive subs alongside 28b's
« Reply #1 on: 22 Mar 2015, 01:19 pm »
HI James,

Im considering a passive dipole and stereo sub option http://www.quad-musik.de/html/sub63qa.html to go with my Quad ESLQA's, custom built at QuadMusikwiedergabe http://www.quad-musik.de/html/esl63qa.html

Went over to Gering yesterday, as was astonished (and sold....) at the level of improvement between the regular ESL and the rebuilt QA version.  :thumb:

Hopefully i can use my 10bsub crossover, but im not sure which amp to use for the 2 subs, one per channel obviously. And, how would one adjust volume level on these, assuming they are not dealt with by the bp26.

My current Rel b1 is active (has its own amp, and volume adjustment), and even so has an extra resistance built in the connecting cable, to match the volume on my regular ESL 63, crossing over at 90hz. Works wonders, even in Mono setting.

Hope te achieve an even better system with the dipole stereo subs, but need some extra guidance ....

Please give me your thoughts?
Thnks,
Marius

Hi Marius,

Get the PRO version of our amplifiers for the Subs as they have rear panel Gain controls.

james


Marius

Re: which amp for passive subs alongside 28b's
« Reply #2 on: 22 Mar 2015, 01:53 pm »
Great idee James . Which one would mix best with the 28bs? And, do in need 2 monos OR could i use a stereo for the subs separately.
Marius

James Tanner

  • Facilitator
  • Posts: 20864
  • The Demo is Everything!
    • http://www.bryston.com
Re: which amp for passive subs alongside 28b's
« Reply #3 on: 22 Mar 2015, 02:19 pm »
Great idee James . Which one would mix best with the 28bs? And, do in need 2 monos OR could i use a stereo for the subs separately.
Marius

Our amps are all Dual Mono designs so you could use either stereo or mono Bryston amps.  A lot would depend on the efficiency of the Subs and levels required but I think 7B's would be the best match.

james