USA TUBE AUDIO - State of The Art
World Class High End Audio Showroom
8355 E Butherus - Scottsdale, Arizona 85260
1-800-676-1085

INTEGRATED AMPS: JD502B


JOLIDA JD 502B Integrated Tube Amplifier
60+60 Watts RMS Ultra Linear Class AB
Uncompromised Build and Quality An Incredible Value As Well

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Fully Integrated Stereo Amplifier: Input 600mV driving 60 watts, maximum 85 watts output. Multiple Inputs: Front mounted selector switch-CD, Tape Recorder, Tuner and Aux (for TV, DVD Player, VCR or Computer). Right and Left Stereo Balance Control: + 50dB 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 terminal with bias adjustment controls. State of the Art Components: ALPS audio potentiometer, gold plated RCA input jacks. Low Feedback Design: Only 5 dB.

SPECIFICATIONS

Maximum Power Output: 85 W per channel at 8 ohms, 1KHz

Rated Output Power: 60 W per channel at 8 ohms, 25Hz to 60KHz

Frequency Response: (at 1 watt into 8 ohms) 8Hz to 130KHz + 1dB

Bandwidth: 15Hz to 80KHz + 3dB; 0dB 60 W 1KHz

Distortion THD: Less than 1% at 20 V output, 28Hz to 15KHz

Circuit Type: Ultra Linear, Class AB

Input Impedance: 100K ohms

Input Sensitivity: 600mV at 1KHz for 60 watt output

Output Impedance: 4 ohms and 8 ohms

Negative Feedback: Less than 5 dB

Noise and Hum: 85dB below rated output

Tube Complement: 2 matched pairs (4) of 6550/KT88 power output;

2 pcs. 12AX7A/ECC83 pre-amplifier; 2 pcs. 12AT7/ECC81 power drivers.

Power Requirements: 110V-120 VAC 60Hz 180 watts-standby, 450 watts maximum (220 VAC 50Hz option).

Dimensions: 17 inches (43cm) wide by 15 inches (38cm) deep by

7.5 inches (19 cm) high.

Weight: 39 pounds (18 Kg) net, approximately 46 pounds (21 Kg) packaged.

Warranty: Two year limited parts and labor. One year or 1000 hours whichever comes first on Jolida Tubes.

Bias Settings: 50 millivolts + 5 mV

Fuse: 110 - 120 VAC, 6.3 Fast Amp Blo; 200 - 240 VAC, 3 Amp Fast Blo


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USA TUBE AUDIO, Harwil Group
8355 E Butherus Dr. Suite 1
Scottsdale, Arizona 85260
1-800-676-1085 Sales x2
1-323-657-5993
52-55-8525-6102 Mexico
info@usatubeaudio.com
www.usatubeaudio.com

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