Focus Audio Liszt Prelude
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Fiche technique
Informations techniques complémentaires
Output Power
32 W ( 4, 8 ohms)
Frequency Response
10 Hz–100 kHz ( 0.5dB, -3dB, 1W)
THD
0.01% (1 kHz, 1W)
Signal/Noise Ratio
-95 dB (32W)
Input impedance
50 k Ohms
Inputs
Line inputs 3 x RCA, 1 x XLR
Direct inputs 1 x RCA, 1 x XLR
Vacuum tubes
4 x 6CA7/EL34, 2 x 12AU7, 1 x 12AX7
Size
17.5”W x 7”H x 16”D
Weight
48 lbs net
L'avis de Noir & Blanc
24 step fully remote discrete volume control for great convenience. Volume control uses the shunt method with only a single Tantalum resistor on signal path to retain best natural sound
can be configured as a volume control integrated amplifier or as a direct input power amplifier. Both can accept RCA & XLR inputs
class AB push-pull circuit with deep class A bias to get the sonic benefits of class A operation and yet maintain a fairly good power output efficiency
special auto bias circuitry without the need for frequent bias adjustment
driver stage through excellent low distortion cathode coupled phase-splitter circuit
custom designed wideband output transformer for Prelude, with the use of double C core transformer for the Sonata
German made Mundorf silver oil coupling capacitor for Prelude, ultimate performance silver gold oil for Sonata
extra high current power supply transformer with M6 grade silicon steel laminate. Ultra fast rectifier coupling to Mundorf film capacitor and 4-pole electrolytic capacitor to enhancing extension for both low and high frequencies
