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The JCA100 Tribute is a limited-edition 100-watt Class A power amplifier built as a tribute to John Curl’s career. It combines refined high-end performance with robust musicality—designed for listeners who demand clarity, warmth, and disciplined power in one elegant package.Read More
Matched Pair
100 watts of pure Class A power into 8 Ω with full bias—no Class AB transition John Curl’s refined circuit design—based on JC 1+ but optimized for Class A Hand-assembled with personalized serial numbers and tribute faceplates Stable even into 1 Ω loads—effortless control of demanding speakers Classic chassis design with heatsinks, balanced inputs, and high-quality binding posts
Specifications Power Output (Class A)* 100 watts @ 8 Ω Power Output (Maximum)* 100 watts @ 8 Ω 200 watts @ 4 Ω Slew Rate > 130 volts per microsecond Frequency Response 2 Hz - 120 kHz, +0/-2 dB 20 Hz - 20 kHz, +0/-0.25 dB Total Harmonic Distortion (THD) < 0.15 % at full power < 0.02 % at typical listening levels IM Distortion < 0.03 % TIM Unmeasurable Input Impedance Unbalanced: 50 kΩ Balanced: 100 kΩ, (50 kΩ per leg) S/N Ratio, inputs shorted >120 dB, IHF A-weighted, bias set to Low >118 dB, IHF A-weighted, bias set to High >110 dB, Unweighted, bias set to Low >109 dB, Unweighted, bias set to High Total Gain 29 dB (Gain switch set to normal), 23 dB (Gain switch set to low) Input Sensitivity** Unbalanced: 1 V Balanced: 1 V per leg DC Trigger Requirements +9 Vdc to +12 Vdc, 5 mA Audio Trigger Requirement 2.5 mV - 10 mV XLR Pin Identification 1 = Ground 2 = Positive 3 = Negative Dimensions Width: 17.625" (448 mm) Height: 7.75" (197 mm), without feet: 7.125" (181 mm) Depth: 20" (508 mm), with cables: 21.5" (546 mm) Weight Net: 83 lbs. (37.6 kg), Shipping: 100 lbs. (45.4 kg) Power Requirements Standby: <1 Watt Idle (bias set to low): 205 Watts Idle (bias set to high): 230 Watts Maximum: 250 Watts