I have a brand new in the box JD102B integrated amplifier from Jolida.This is an excellent amplifier for your first venture into tube land or the well seasoned listener.I find myself going back to this amplifier quite frequently to see how my newer aquisitions fare against it.Lots of times it's right up there with very expensive offerings.This amp uses EL84 output tubes and 12AT7 and 12AX7 for the input stage.This is an excellent amplifier with the stock tubes but tube rolling can bring even better results.
Model JD 102B Construction Details and Features:�Fully Integrated Stereo Amplifier: Input 900mV driving 20 watts, maximum 25 watts output. �Multiple Inputs: CD and Aux (for Tuner, TV, DVD Player, VCR, Tape Recorder, Computer and etc). Tape Loop and Pre-Out are available on request.�Right and Left Stereo Balance Control: + 20dB at both right and left front panel control.�Custom Wound Audio Transformers with a core of German grain oriented silicon steel. 15th generation proprietary design. Secondary can be configured for a 4 ohm or 8 ohm load.�Top Panel Bias Testing Terminals with Bias Adjustment Controls.�State of the Art Components: Gold plated RCA input jacks, gold plated five way speaker connectors.
Technical Specifications:Maximum Power Output: 25 W per channel at 8 ohms, 1KHz Rated Output Power: 20 W per channel at 8 ohms, 26Hz to 50KHz Frequency Response: (at 1 watt into 8 ohms) 7Hz to 95KHz + 1dB; 0dB at 1KHz Bandwidth: 14Hz to 80KHz + 3dB; 0dB = 20 W 1KHz, 8 ohms Distortion THD + N: Less than 1.5% at 15W output, 39Hz to 10KHz, 8 ohms Circuit Type: Ultra Linear, Class AB1 Input Impedance: = or Input Sensitivity: Max. 900mV for 20 watt output at 1KHz Output Impedance: 4 ohms and 8 ohms Negative Feedback: Less than 7 dB Signal & Noise Ratio S/N: 70dB below rated output from 10Hz to 200Khz. Tube Complement: 2 matched pairs (4) of EL84 power output; 1 pcs. 12AX7A pre-amplifier. Power Requirements: 110V-120 VAC 60Hz 90 watts-standby, 200 watts maximum (220 VAC 50Hz option). Dimensions: 12 inches wide by 8 inches deep by 5 inches high. Weight: 18 pounds net, approximately 22 pounds packaged. Warranty: One year limited parts and labor.
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