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

*Power measurements are with 120 VAC: 0.15% THD, RMS continuous power, full audio band (20 Hz - 20 kHz)

**28.28 V Output into 8Ω, gain switch set to normal

John Atkinson Stereophile Review

A significant portion of the proceeds is allocated to the designer, in addition to scholarships for aspiring designers.

JCA100 Manual