Fusion model 3502S with 6550 power tubes with steel chassis Email for price quote

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SKU: JD502BRC Black

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A step up from the JD 502CRC and the JD 302CRC. The circuit has been redesigned and placed in an all aluminum chassis. Parts of the unit have been upgraded to include ESA clarity coupling caps, high speed diodes and naked Z resistors on the feedback loop which lowers the noise floor and enhances air and dimensionality. Flexibility is a bypass that allows the amp to be utilized as a power amp and the ability to switch between EL34 and 6550 vacuum tubes, Prices will vary between tubes selected. You choose the tubes you want with your order. And for the best part, a clear, smooth sound with the air that vacuum tubes can deliver.

Sales Policy : All sales are final no returns accepted.If any Jolida shipment is refused and or returned for any reason including a possible defect and no defect is found a 25% restocking fee will be imposed additionally  customer will be responsible for all shipping charges to and from the shipping point.By placing an order you are accepting these terms. If Free shipping is offered it applies only to domestic U.S. locations.





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

           50 W per channel at 8 ohms, 28Hz to 72KHz

Maximum Power Output: 85 W per channel at 8 ohms,  1KHz with 6550 Tubes

           75 W per channel at 8 ohms,  1KHz with EL34 Tubes

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:                  100Kohms

Input Sensitivity:                   600mV at 1KHz for 50/60 watt output

Output Impedance:               4 ohms and 8 ohms

Negative Feedback:               Less than 5 dB

Noise and Hum:                    85dB below rated output

Tube Complement:               4 pcs. EL34 or 6550 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:                                   51 pounds (18 Kg) net, approximately 55 pounds (21 Kg) packaged

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

Bias Settings:                        400 millivolts + 40 mV For EL 34s ot 500 millivolts + 50 mV for 6550s 

Fuse:                                      110 - 120 VAC, 6.3 Amp slo Blo; 200 - 240 VAC, 3.15 Amp slo Blo

                                                Size 5mm X 20mm

Construction Details and Features: 

o Fully Integrated Stereo Amplifier: Can be ordered with 6550, KT 120, Kt 150 or EL34 vacuum tubes. Input 600mV driving 60 watts, maximum 85 watts output with 6550 power output tubes. Input 600mV driving 50 watts, maximum 75 watts output with E:34 power output tubes.

oMultiple Inputs: Front mounted selector switch-CD, DVD, Tuner and Aux. (for TV, VCR or   


o Features: Bypass or power amp setting, Switching from EL34 to 6550 tubes. Fixed and Variable           out.

oCustom 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.

o Top panel bias testing terminal with bias adjustment controls. EZ- biasing: turn the screw until the light goes on and the tube is biased. No resistors in the signal path.      

o Full Steel chassis.    

o Connector, Ultra Pure Wire add on options.

o Low Feedback Design: Only 5 dB

o Comes in Black 


 Please do not select any shipping method when ordering .



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