Color:Black MASTISSE VII DESIGN TUBE PRE-AMP UPGRADE WITH Soviet poison sound 6H3 tubes Free original trial disc 2PCS Black Front Plate Description: Tubes: 2pcs Soviet poison sound 6H3 Input sensitivity: 150mv Voltage output: 1.8V (RMS THD <0.03%) S/N Ratio: 96DB Frequency Response: 10Hz-50KHz (-0.5DB) Input Impedance: 100Kohm Output Impedance: 100Kohm AC Input: 110V/220V (switchable) Power Consumption: 15W Dimension: 240 * 140 * 120 (mm) (WDH) Weight: 1.8KG *We take famous Matisse Fantasy Line Stage circuit as reference to design this Tube Pre-amp, and modify much ourselves: 1. Re-design PCB circuit,try best to shorten lenght of signal wire, strictly use single point ground connection to get left and right channels more symmetrically, and higher S/N ratio (94dB) 2. Adopt DALE reistors and 4pcs ERSE audio grade capacitors(99.99% high purity OFC lead) for signal part; *use Germany WIMA capacitors as Decoupling capacitor *use 2pcs NIPPON CHMI-CON 450V, 220uf electrolytic capacitors in power filtering circuit *use TOCOS 100K step potentionmeter *use high quality golden plated 9pin ceramic tube socket *use 2pcs Soviet poison sound 6H3 tubes inside the chassis 3. Adopt customerized pure copper wire EI power transformer, high power rate, low temeperature 4.Adopt Aluminum chassis with Drawing oxidation surface treatment. 6mm thickness front gear plate, 5. switchable power switch for selecting 110V/220V
P**G
Great build quality
This preamp is replacing a ss Kenwood preamp in my system. build quality is excellent and sonically it is much more involving than the Kenwood .Highly recomended
M**H
Shocked At What I Heard The Preamp Is A Steal At This Price Easily Worth $200.
If you have an amplifier and want to run this preamp to your amplifier you will not be disappointed this is a very good unit for the money. You can use a stereo switch if you want to run more than just a CD player.
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