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  #121  
Old 07-13-2019, 05:37 PM
PeterMusic PeterMusic is offline
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Originally Posted by miner View Post
No issue with my McIntosh amps, I assure you Peter. The issue is the way B&W has the stereo connection programmed in the software - not enough gain. The B&W rep agrees with me on this assessment. B&W suggested using the balanced connection but my MA8900 does not have a balance out available. Output 1 (Main) and Output 2 on the integrated are both unbalanced RCA connection. The B&W sub I had before the DB series (ASW800) worked marvelously using RCA.

I initially traded my DB2D back to my dealer for the DB1D
Ah, this could explain the difference in our results--I had immediate success using the balanced output from my C22 to DB3D. (I think I'm at -1db)
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Source: Naim Uniti Core to Nordost Blue Heaven DAC: Schiit Yggdrasil Amp: McIntosh C22/MC275 VI Speakers: B&W 805 D3, DB3D
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  #122  
Old 07-15-2019, 01:21 PM
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I want to reiterate the DB1D is a fine sub, my complaint is with the way it mates with the 805D3, or, doesn't mate, that I feel was a mistake by the B&W engineers. To get the DB1D to sound right with the 805D3 (in stereo mode/input), the gain is at 8db (out of 10dB), and the equalizer settings are all set at 3dB and above (5dB being the max). If this sub was designed correctly, after choosing the 805D3 as the speaker, the settings would not need adjusting as much as I have had to adjust mine to get it to perform right
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  #123  
Old 07-31-2019, 05:41 PM
mike175gr mike175gr is offline
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Any updates or changes?
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MC-501 (2), Cary SLP-05, MC-7106, MX-119, MS750, SONOS, modified Denon 3910, Oppo BDP-83SE, W4S DAC2, B&W 802D3. RGPC 1200s, 400pro. Hydra 2 & 6,
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  #124  
Old 08-10-2019, 11:42 AM
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Crickets from B&W. They treat me like an anomaly even though the district rep agrees with my assessments
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  #125  
Old 08-10-2019, 09:36 PM
mike175gr mike175gr is offline
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Ugh... losing another customer here....
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  #126  
Old 08-13-2019, 09:08 PM
mike175gr mike175gr is offline
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Quote:
Originally Posted by joey_v View Post
After reading this thread, I decided on JL Fathoms rather than the DB1D... especially comments from Miner.
Joey,

Which JL did you get? How do you have it connected? Was it challenging to integrate?

Thanks,

Michael
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  #127  
Old 09-13-2019, 11:30 AM
susu susu is offline
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so if I understand well, connecting db subwoofer to XLR will give better sound pressure level than connected to RCA, even without the circuit inside the amplifier being really unbalanced ?

I have no audible output (cones are moving) on an DB2D on E600 Accuphase RCA pre-out, even with all gains set to maximum.
So I will try balanced pre-out.
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  #128  
Old 09-13-2019, 02:37 PM
PeterMusic PeterMusic is offline
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Quote:
Originally Posted by susu View Post
so if I understand well, connecting db subwoofer to XLR will give better sound pressure level than connected to RCA, even without the circuit inside the amplifier being really unbalanced ?

I have no audible output (cones are moving) on an DB2D on E600 Accuphase RCA pre-out, even with all gains set to maximum.
So I will try balanced pre-out.
I have excellent results using XLR from my pre. None of my other cables are balanced.

Just to clarify--is this a new set up purchased from a dealer? If yes, I would insist that your dealer help you before the time for risk-free return lapses.

Good luck
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Source: Naim Uniti Core to Nordost Blue Heaven DAC: Schiit Yggdrasil Amp: McIntosh C22/MC275 VI Speakers: B&W 805 D3, DB3D
Cables: Transparent PowerBank 6, interconnects, and cables
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  #129  
Old 09-13-2019, 03:33 PM
mike175gr mike175gr is offline
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Just really surprised that B&W is not correcting this....
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  #130  
Old 09-14-2019, 08:51 PM
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It is a case of the engineers thinking they know more than the customer who is actually using this poorly designed product and getting unacceptable performance and even worse support in correcting this issue.
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