Atma-SphereMP-1 mkIIAtma-Sphere MP-1 mkII PREAMP WITH PHONO STAGEThis is the Atma-Sphere MP-1 MK II preamplifier (the latest is the MK 3.3). I bought this directly from Atma-Sphere several years ago. They had installed an extra set of single ended outputs so t...4200.00

Atma-Sphere MP-1 mkII PREAMP WITH PHONO STAGE [Template]


no longer for sale

This is the Atma-Sphere MP-1 MK II preamplifier (the latest is the MK 3.3). I bought this directly from Atma-Sphere several years ago. They had installed an extra set of single ended outputs so that this preamp could be used as a review sample. The power supply faceplate has a small dip in the surface, which I had repaired by an art restoration company. I have several high-resolution photographs so you can see exactly what the preamplifier looks like. While cleaning the unit I accidentally damaged the volume control. I sent the unit back to Atma-Sphere and they have replaced the volume control along with a full electrical check out. They replaced a couple of filter capacitors in the power supply and also put in some new tubes in the phono section. That is about $600 worth of work you get as part of the deal. It will be shipped to you in the new ‘box system’ that they make for the preamp. I have sold more on ebay than Audiogon. My username on eBay is tufwheel too. Look up my feedback here:

http://www.ebay.com/sch/ebayadvsearch/?_sofindtype=25

Please check Audio Bluebook prices for this preamp if you are wondering if this is a good price...

FEATURES

Balanced Differential Design®

XLR connectors for phono and aux

XLR output connections

Patented direct-coupled Circlotronic® output

Zero feedback design throughout

Dual-mono construction

Balanced passive phono equalization

Precision 24 position stepped volume control built from a Shallco® custom switch

Two tape monitors (tape functions use RCA's)

Precision components used throughout

Total system phase switch

Teflon® custom coupling caps

"Star" grounding used throughout

Outboard power supply

Two-tone antique finish

 

SPECIFICATIONS

Line stage bandwidth: .1 Hz - 400 kHz, +0 dB, -3db

High-level gain 14 dB

Line stage output 24 V into 600 ohms

Phono bandwidth: .5 Hz - 100 kHz, -.5 dB

RIAA accuracy: within .07 dB

RIAA phono sensitivity: .5 mV

Phono section max output: 120 V p-p

Phono input overload: 250 mV

Power supply storage: 170 Joules

Tube complement: 8 - 12AT7, 10 - 6SN7  

Seller Information

tufwheel 

Last 12 months
All-time6100.0%

Member since September 2005

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