Specification Brand : Jolooyo BulletPoint1 : Select 1% high-precision metal film resistor for resistance; BulletPoint2 : The filter capacitor of the main power supply adopts 1000UF V BulletPoint3 : Audio input RCA terminal; BulletPoint4 : The fully enclosed dust-proof potentiometer is more stable in performance and more durable than ordinary potentiometers! BulletPoint5 : [Enhanced Amplification] Lna low noise high flatness amplifier offers up to 20db gain for superior radio frequency reception. Color : #111 IncludedComponents : 1 amp ItemName : YJ0055 6N11 Tube Amplifier Board AMP Front Stage ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 12 centimeters ItemPackageDimensions_Width : 9 centimeters ItemTypeKeyword : electronic-component-audio-amplifiers Manufacturer : Jolooyo Material : gold ModelName : Fafeicyh1d92nwvu3 ModelNumber : YJ0055-6N11 MountingType : Through-Hole Mount NumberOfItems : 1 PartNumber : YJ0055-6N11 ProductDescription : Product introduction: 1. Select 1% high-precision metal film resistor for resistance; 2. The filter capacitor of the main power supply adopts 1000UF\35V 3. Audio input RCA terminal; 4. The fully enclosed dust-proof potentiometer is more stable in performance and more durable than ordinary potentiometers! Performance parameters: Working voltage: DC24V Input sensitivity: 100mV Input impedance: 100KOhm Output impedance: 32~600 Ohm Gain: 30dB Frequency response: 10Hz-60KHz +/- 0.25dB Signal to noise ratio: >90dB Size: Length 88mm X Width 98mm X Height 45mm Board size: 82MM*92MM Package: 1pc 6N11 Tube Amplifier Board Bile AMP Front Stage YJ0055