Jolida JD-502CRC vacuum tube integrated amplifier

Item Description

Hey there !!!!!! Thanks for checking on my ad for the JD 502CRC I am selling.....If your looking to get into a really nice sounding tube integrated amp this is an excellent choice.With 60wpc this is going to be plenty of power for most speakers at normal levels.With a subwoofer out you can have tubes and bass slam too.This is an awesome sounding amp and it has that vintage vacuum tube sound.Dont hesitate to buy a Jolida if your looking to purchase a tube amp.You wont look back.Jolida has updated their amps with lots of modern parts including Clarity Caps - updated resistors - better tubes ( not Chinese ) and others.These amps are very heavy and when you pick up the box it is shipped in you will know what I mean.Send me an offer with your best price.Talk to you soon and listen to music till you croak !!!!!!! Rick Sawvell at Audio Force in Davenport Iowa .Please visit our website at and have an awesome day !!!!!!!!


The Design Challenge: Build a stereo tube amplifier with a sound quality that equals or exceeds the best in high end audio equipment. Included were two major criteria, make sure designs are reliable and can be sold at value prices. The Engineering Result: An integrated stereo tube amplifier that can be hooked up directly to a CD player and two speakers. The Sound: High end audio tube performance at a value price.

Construction Details and Features:

Fully Integrated Stereo Amplifier: Input 600mV driving 60 watts, maximum 85 watts output

Remote Control

Multiple Inputs: Front mounted selector switch-CD, Tape Recorder, Tuner and Aux. (for TV, VCR or Computer)

Bypass Switch: This feature enables the amp to be use as a power or integrated amplifier

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

Easy Biasing with top panel bias testing terminal with bias adjustment controls.

State of the Art Components: Blue ALPS audio potentiometer, gold plated RCA input jacks and one set of XLR

Fixed and Variable Outputs.

Technical Specifications:

Maximum Power Output:
85 W per channel at 8 ohms, 1KHzRated Output Power:
60 W per channel at 8 ohms, 25Hz to 60KHzFrequency Response:
(at 1 watt into 8 ohms) 8Hz to 130KHz + 1dBBandwidth:
15Hz to 80KHz + 3dB; 0dB 60 W 1KHzDistortion THD + N:
Less than 1% at 20 V output, 28Hz to 15KHzInput Impedance:
100KohmsInput Sensitivity:
600mV at 1KHz for 60 watt outputOutput Impedance:
4 ohms and 8 ohmsNegative Feedback:
Less than 5 dBNoise and Hum:
85dB below rated outputTube Complement:
2 matched pairs (4) of 6550/KT88 power output; 2 pcs. 12AX7A/ECC83 pre-amplifier; 2 pcs. 12AT7/ECC81 power driversPower 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) highWeight:
48 pounds (18 Kg) net, approximately 55 pounds (21 Kg) packagedWarranty:
Two year limited parts and labor. One year or 1000 hours whichever comes first on Jolida TubesFuse:
110 - 120 VAC, 6.3 Fast Amp Blo; 200 - 240 VAC, 3 Amp Fast Blo