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19
USA 400 USA 900 USA 1310
OUTPUT POWER*
both channels driven
FTC: 20 Hz-20 kHz @ 0.1% THD
8Ω per channel 110 240 375
EIA:
1
kHz @ 1% THD
8Ω per channel 125 270 400
4Ω per channel 200 450 655
2Ω per channel 250 550 1000
Bridged Mono:
16Ω, 1 kHz, 1% THD 250 540 800
8Ω, 1 kHz, 1% THD 400 900 1310
*
typical
DYNAMIC HEADROOM 1.9 dB at 4Ω
DISTORTION
SMPTE-IM Less than 0.1%
FREQUENCY RESPONSE 20 Hz to 20 kHz, +0/-1 dB
-3 dB points: 8 Hz and 60 kHz
DAMPING FACTOR Greater than 200 at 8Ω
NOISE, below rated output 105 dB 104 dB 106 dB
(A Weighted)
VOLTAGE GAIN 29 dB 32 dB 34 dB
INPUT SENSITIVITY, V
RMS
1.12v 1.16v 1.13v
(for rated power into 8 ohms)
INPUT IMPEDANCE 10KΩ unbalanced
20KΩ balanced
CONTROLS Front: AC Switch
Rear: Stereo/Bridge Switch, Ch. 1 and Ch. 2 Gain Knobs
INDICATORS POWER: Green LED (USA 1310: 1 per channel)
CLIP: Red LED (1 per channel)
CONNECTORS Input: Barrier strip and Neutrik “Combo” XLR and
1/4" (6.3 mm) TRS, tip and pin 2 positive
Output: “Touch-Proof” binding posts
COOLING Convection Two-speed fan Two-speed fan
SPECIFICATIONS
SPÉ CIFICATIONS
ESPECIFICACIONESTECHNISCHE DATEN