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Old 05-12-2012, 12:37 PM
Jerome W's Avatar
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Default Output impedance of the Shindo Monbrison preamp

Hello folks,
Does someone know the output impedance of the Shindo Monbrison preamp ?
Could it drive the Mcs 2301's monoblocks ? If I remember correctly, the 2301's input impedance is 47k Ohms.
Do not plan to let the C1000P go, but thinking about trying the Monbrison of Laurent ( Cellindo ) at home and let him my C1000P. Just to satisfy my natural curiosity.

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Main System: preamp and monoblocks hand-built by a Japanese Master, McIntosh (MR77, MC2205, MC225), Manley Labs (300B Neo Classic), Abbingdon Music Research - AMR- (DP- 777), JC Verdier (La Platine / SME M2-12R arm x 2 / Ortofon SPU Classic E GM MKII / Lyra Delos / EMT XSD15), Auditorium 23 (Hommage T2 SUT), Harbeth (M40.1), Pro Audio Bono (Platforms, Feet, Rack).
Second System : McIntosh (MAC 1500), Rega (P9 TT with Denon DL103 Expert Stylus Co), A23 Standard SUT for DL103, Metrum Acoustics (Octave), DeVore Fidelity (Super 8). Third System: McIntosh (MDA 1000), Jadis (DA30), Meridian (204), Rega (RS10).
Office System : McIntosh ( MA5100 ), Harbeth (P3ESR).
Digital sources for all systems : Squeeze Box Touch with MCRUs Power Supply and Mac Book Pro SSD-Audirvana +
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Old 05-12-2012, 12:41 PM
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Hi Jerome, here's the specs for the Monbrison

Frequency Response: 20 - 20,000Hz
Signal to Noise Ratio: 119dB
Phono MC ( RCA Pin Jack ) Input Sensitivity/Impedance: 0.2mV/2 -100Ω
Phono MM ( RCA Pin Jack ) Input Sensitivity/Impedance: 3mV/47KΩ
Output ( RCA Pin Jack ) Impedance: 10V/5KΩ
Phono Max. Input Voltage: 1,200mV
Signal to Noise Ratio: 119dB
Power requirements: AC 117V or 220V-230V. 50/60Hz
Power consumption: 80W
Dimensions: W 13.8 x H 4.3 x D 12.2 inch
Weight: 16.5 lb
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Last edited by adhesiv; 05-12-2012 at 12:43 PM.
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Old 05-12-2012, 12:47 PM
Jerome W's Avatar
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Thanks a lot my friend.
So 5k Ohms should be ok with the 47 k of the 2301's I think, but we are at the limit probably....

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Jérôme
“The only escape from the miseries of life are music and cats...”
― Albert Schweitzer



Main System: preamp and monoblocks hand-built by a Japanese Master, McIntosh (MR77, MC2205, MC225), Manley Labs (300B Neo Classic), Abbingdon Music Research - AMR- (DP- 777), JC Verdier (La Platine / SME M2-12R arm x 2 / Ortofon SPU Classic E GM MKII / Lyra Delos / EMT XSD15), Auditorium 23 (Hommage T2 SUT), Harbeth (M40.1), Pro Audio Bono (Platforms, Feet, Rack).
Second System : McIntosh (MAC 1500), Rega (P9 TT with Denon DL103 Expert Stylus Co), A23 Standard SUT for DL103, Metrum Acoustics (Octave), DeVore Fidelity (Super 8). Third System: McIntosh (MDA 1000), Jadis (DA30), Meridian (204), Rega (RS10).
Office System : McIntosh ( MA5100 ), Harbeth (P3ESR).
Digital sources for all systems : Squeeze Box Touch with MCRUs Power Supply and Mac Book Pro SSD-Audirvana +
Others : Wilson Audio (Watt Puppy 8), PMC (CB6i), McIntosh ( MA5100), Schiit Audio (Valhalla, Bifrost), Grado (325i), Sennheiser (HD650, HD800), Sugden (Head Master) WireWorld, Kimber Kable 8TC, Naim Naca 4
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Old 05-12-2012, 05:34 PM
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My MONBRISON is the serie 1, ie. slim form factor, with output transformers (possibly from Lundhal, however I'm not certain of this).
I don't know if its output impedance is the same as for the newest MONBRISON model with the altuglass window.
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