Announcing The Bryston BP-19 Fully Balanced Analog Preamplifier

James Tanner · « **Reply #40 on:** 29 Mar 2024, 12:59 pm »

Quote from: dubkarma on 27 Mar 2024, 05:10 pm

James—

Of course! I should have taken the audio show into account. Apologies!

Je vous attend!

Regards,

Joel.

Hi Joel

BP19 Vin overload = 4.75Vrms
BP19 Vout max = 12Vrms

dubkarma · « **Reply #41 on:** 29 Mar 2024, 02:28 pm »

Hi James,

Thanks very much for this information.

Alas, it means that, of the four DACs I'm presently using, only the Bryston BDA-3 would be usable with the BP-19.

Disappointment!

Regards,

Joel.

Alfalfa · « **Reply #42 on:** 31 Mar 2024, 01:24 pm »

Thank you for sharing this interesting review from a seasoned Bryston user that could almost have ‘Precision vs. Pleasure’ as the title.

Too bad the writer does not state in which sensitivity his 7 B3’s were running, I suppose it was the high 29 db gain setting given the rather modest 12 volts max output of the BP19. This max output seems to be just a bit lower still compared to the BR19’s 13.5 Volts - 14.2 volt measured by respectively Hifi News and Soundstage! Network.

It seems like an excellent preamp to match the 28B3’s unswitchable high sensitivity as well.

James Tanner · « **Reply #43 on:** 31 Mar 2024, 01:27 pm »

Quote from: Alfalfa on 31 Mar 2024, 01:24 pm

Thank you for sharing this interesting review from a seasoned Bryston user that could almost have ‘Precision vs. Pleasure’ as the title.

Too bad the writer does not state in which sensitivity his 7 B3’s were running, I suppose it was the high 29 db gain setting given the rather modest 12 volts max output of the BP19. This max output seems to be just a bit lower still compared to the BR19’s 13.5 Volts - 14.2 volt measured by respectively Hifi News and Soundstage! Network.

It seems like an excellent preamp to match the 28B3’s unswitchable high sensitivity as well.

Hi Alfalfa - I assume you mean the BR-20?

james

Alfalfa · « **Reply #44 on:** 1 Apr 2024, 10:26 am »

Hi James,

BR20 indeed, my bad!

Is there a difference in max output between the BP19 and the BR20, or could it be a different kind of measuring?

James Tanner · « **Reply #45 on:** 1 Apr 2024, 10:32 am »

Not sure - I assume its different measuring systems as the BP-19 is the preamp section from the BR-20.

james

Alfalfa · « **Reply #46 on:** 1 Apr 2024, 01:33 pm »

Thank you James!

jcn3 · « **Reply #47 on:** 1 Apr 2024, 03:51 pm »

Quote from: dubkarma on 29 Mar 2024, 02:28 pm

Hi James,

Thanks very much for this information.

Alas, it means that, of the four DACs I'm presently using, only the Bryston BDA-3 would be usable with the BP-19.

Disappointment!

Regards,

Joel.

what dacs are you using and what are their specs? i would imagine that the spec you got from james was for the rca inputs -- 4.75v is a lot higher than the "standard" rca output of 2v.

dubkarma · « **Reply #48 on:** 1 Apr 2024, 08:12 pm »

Quote from: jcn3 on 1 Apr 2024, 03:51 pm

what dacs are you using and what are their specs? i would imagine that the spec you got from james was for the rca inputs -- 4.75v is a lot higher than the "standard" rca output of 2v.

If you check reply #34 above you'll see my original note to James where I ask about voltage input and output specs.

I also mention there the output voltages of the DACs that I use: 4 Vrms (Bryston BDA-3), 6.15 Vrms (Berkeley Alpha Reference), 12.25 Vrms (SPL Mercury & Crane Song Solaris Quantum).

I didn't specify I was talking about balanced I/O only—that is true.
I assumed that, since the figure I quoted for the Bryston BDA-3 was for the balanced outputs, James would, in turn, understand that I was talking about balanced I/O.

Also, when James passed on the information from Engineering, he also specified the max. voltage output of the BR19 as 12 Vrms, which, unless I'm misreading the manual, applies to the XLR outputs.

However, I'd love to be proven wrong and learn that the maximum permissible voltage input for the BR19 is actually 9.5 Vrms and the maximum output is actually 24 Vrms!
Then I might very well buy one—it would just mean not using the Crane Song and SPL DACs in the system that contained the Bryston BR19. But that's okay, I have others. . .

jcn3 · « **Reply #49 on:** 2 Apr 2024, 04:10 pm »

Quote from: dubkarma on 1 Apr 2024, 08:12 pm

If you check reply #34 above you'll see my original note to James where I ask about voltage input and output specs.

I also mention there the output voltages of the DACs that I use: 4 Vrms (Bryston BDA-3), 6.15 Vrms (Berkeley Alpha Reference), 12.25 Vrms (SPL Mercury & Crane Song Solaris Quantum).

I didn't specify I was talking about balanced I/O only—that is true.
I assumed that, since the figure I quoted for the Bryston BDA-3 was for the balanced outputs, James would, in turn, understand that I was talking about balanced I/O.

Also, when James passed on the information from Engineering, he also specified the max. voltage output of the BR19 as 12 Vrms, which, unless I'm misreading the manual, applies to the XLR outputs.

However, I'd love to be proven wrong and learn that the maximum permissible voltage input for the BR19 is actually 9.5 Vrms and the maximum output is actually 24 Vrms!
Then I might very well buy one—it would just mean not using the Crane Song and SPL DACs in the system that contained the Bryston BR19. But that's okay, I have others. . .

like you, i would certainly hope and expect that the balanced inputs can handle more than 4.75V -- there are too many dacs out there that have output voltages above 4.75V above and beyond the ones you mentioned. some clarification from @james tanner would be helpful.

James Tanner · « **Reply #50 on:** 2 Apr 2024, 04:34 pm »

Sorry folks - the numbers given are for the Balanced inputs.

james

Ron_S · « **Reply #51 on:** 5 Jun 2024, 09:47 pm »

I just received my BP-19. I ordered it with the MC phono section. Currently RCA input 1 (the phono input) shows its in MM mode. The manual makes no mention of how to switch it to MC mode. Anyone know?

James Tanner · « **Reply #52 on:** 5 Jun 2024, 10:26 pm »

Ron - go into the menu by pushing the volume knob
Turn the volume anti clockwise till you see the arrow pointing at Phono
Push in the volume knob and choose MC

james

Ron_S · « **Reply #53 on:** 5 Jun 2024, 10:30 pm »

Hi James, thanks for the quick reply.

Only options are:
System
Front Panel
Advanced

Under Advanced there are options for relay delay etc.
Nothing about Phono

James Tanner · « **Reply #54 on:** 6 Jun 2024, 12:29 am »

OK something is up - are you sure the phono stage is installed?

It may just be the software.
I will copy this and send to service for you.

james

Ron_S · « **Reply #55 on:** 6 Jun 2024, 12:33 am »

The phono stage is definitely installed, I've been listening to it for the last few hours. Just no option to switch to MC mode. Could they have installed only the MM stage instead of the MC stage in production?

James Tanner · « **Reply #56 on:** 6 Jun 2024, 12:35 am »

Thats possible - I am checking now.

James Tanner · « **Reply #57 on:** 6 Jun 2024, 12:41 am »

When you click on System then BCON what version of software does it show 75 or 77?

james

James Tanner · « **Reply #58 on:** 6 Jun 2024, 01:30 am »

Hi Ron - also what store did you order through - I want to check the order.

james

James Tanner · « **Reply #59 on:** 6 Jun 2024, 01:00 pm »

Hi Ron - I ask production:

PHONO will only appear in the menu IF MC option is present. If MM only there is no menu item.

So are you sure your order from the dealer was for MC?

james

PS - can I have the Serial Number please.