Only 4 months old, factory box The Fusion 3502P is reworked version of the JD502P. It has upgraded clarity caps and resistors and diodes. Also with a flick of a switch, you can set your amplifier up to operate 6550, KT 88, KT 120, KT 150 or EL34 Vacuum Tubes. The circuit has been redesigned and placed the same venerable steel chassis. Parts of the unit have been upgraded to include ESA clarity coupling caps, high speed diodes and DC voltage to the preamplifier tubes which lowers the noise floor and enhances clarity, air and dimensionality. You choose the tubes you want with your order. And for the best part, a clear, smooth sound with the 3 dimensional air that vacuum tubes can deliver. Can be upgraded with Rike Audio caps. Ask for price. PRICE IS $1450 with EL34 tubes (make offer) ; $1575 MSRP is for amp with 6550 tubes; Rated Output Power: 60 W per channel at 8 ohms, 22Hz to 60KHz Maximum Power Output: 85 W per channel at 8 ohms, 1KHz 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: 2 V 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 Construction Details and Features: o Stereo Power Amplifier: Input 2 V driving 60 watts, maximum 85 watts output. o Multiple Inputs: RCA and XLR inputs. o 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. o Top panel bias testing terminal with bias adjustment controls plus EZ-biasing. o State of the Art Components: Hexfred Diodes, ceramic composite grid resistors, custom coupling caps. o Low Feedback Design: Only 5 dB
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