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MEMO: To All Bryston Customers
SUBJECT: Bryston BIT Isolation Transformer/Power Conditioner

November 2019

James,

“It’s hard to explain to people how much noise is imposing on the system until it is gone.

I have had the Bryston BIT20 isolation transformer in operation for a while now, and it has done exactly what I had hoped it would do.

I am now able to connect the two separate audio and video systems, fed off of separate circuits, and there is no hum whatsoever.

Even more than that, though, I now have the lowest noise floor I have ever obtained in 26 years of living in our current home.

All the myriad of little buzzes and hums have simply vanished. This is bliss, and what I had hoped to get from utilizing an isolation transformer.

What I had not expected, however, were the other gains I have experienced. As others have commented before, it is as if the entire system has become supercharged. Dynamics and bass response have been freed, and it is all too easy to play song after song long after I really should have gone to sleep! Remarkable.

I can’t think of any system that wouldn’t be improved by your Bryson BIT devices, which also play well with other solutions.

I can’t thank you enough, and kudos are due all around!”

Best,
Rich

Quote:

Originally Posted by urbanluthier (Post 985583)

Nice - I'm considering a BIT 15 for my system (3b3 + bp173). We are unable to put in a dedicated line at the moment and my hope is the the BIT15 will help reduce line noise. In the winter we have humidifiers on the same line as the hi fi that cause transformers to buzz.

Even the ‘little’ BIT-15 looks seriously impressive (75A current load over 10s — Wow!)

Hi

The advantage of the BIT Isolation Transformer is it totally ISOLATES your system from the outside power grid.

The Transformer in the BIT has a Primary and a Secondary section so you are working off the magnetic field between these two sections so the outside world can not affect the inside world.

It's like having your own little private power grid!

james

Quote:

Originally Posted by urbanluthier (Post 985583)

Even the ‘little’ BIT-15 looks seriously impressive (75A current load over 10s — Wow!)

Absolutely. The BIT-15 is easier to handle and accommodate in a rack than a BIT-20. If you ever get bigger monoblock amps you could run a second BIT-15 or easily sell it. So it is always a safe investment.

James, my SP3 has a faint hum that has always existed, but you cannot hear it unless there are quiet passages or no sound. However, when I use the balanced input for my BDA3, the faint hum does not exist. Do you think my SP3 can benefit from a BIT-15?

Quote:

Originally Posted by gbaby (Post 985748)

Is the hum coming from the transformer in the SP3?

james

Quote:

Originally Posted by James Tanner - Bryston (Post 985776)

Is the hum coming from the transformer in the SP3?

james

Yes. Its a faint buzz or hum. Again, passing through the SP3 and using the balanced input for the BDA3 eliminates the hum.

James, actually, I don't know, but the faint buzz comes through the speakers and not the SP3 chassis.

Quote:

Originally Posted by gbaby (Post 985967)

James, actually, I don't know, but the faint buzz comes through the speakers and not the SP3 chassis.

Ah OK - buzz from the speakers usually means noise on the line so a BIT should help.

james

Quote:

Originally Posted by James Tanner - Bryston (Post 985982)

Ah OK - buzz from the speakers usually means noise on the line so a BIT should help.

james

Thanks James. Although, honestly, it doesn't bother me too much. But, who knows, I may invest in one. Thanks again.