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HHuumm && NNooiissee
OOuuttppuutt RReessiidduuaall NNooiissee((RReeff.. 00 ddBBuu)) SS//NN RRaattiioo((RReeff.. ++44 ddBBuu)) TTeesstt CCoonnddiittiioonnss
Master L/R -105 dBu 109 dB All faders down
Mono 90 dBu 94 dB Master fader nominal, Channel faders down
All channels assigned
Submaster -98 dBu 102 dB All faders down
-88 dBu 92 dB Submaster fader nominal, Channel faders
down, All channels assigned
(Hum & Noise measurements: 22 Hz to 22 kHz BW)
GGaaiinn
Mic input gain adjustment range: 10 dB to 58 dB
Mic input to sub output: 78 dB (max. gain)
Mic input longest path: 88 dB (max. gain)
Line input gain adjustment range: -10 dB to 38 dB
Line input to sub output: 58 dB (max. gain)
Line input to longest path: 68 dB (max. gain)
Stereo line input gain adjustment range: -60 dB to 10 dB
Stereo line input to sub output: 30 dB (max. gain)
Stereo line input longest path: 40 dB (max. gain)
Aux. return to sub output: 28 dB (max. gain)
Aux return longest path: 38 dB (max. gain)
FFrreeqquueennccyy RReessppoonnssee
Mic input to L/R output: 20 Hz to 50 kHz (+0 dB / -1 dB)
Stereo input to L/R output: 20 Hz to 30 kHz (+0 dB / -1 dB)
TToottaall HHaarrmmoonniicc DDiissttoorrttiioonn ((TTHHDD))
Mic to L/R output at nominal level Less than 0.007%, 20 Hz to 20 kHz (20 Hz to 80 kHz BW)
EEqquuiivvaalleenntt IInnppuutt NNooiissee ((EEIINN))
-128 dBu (input terminated with 150 Ohms)
CCrroossssttaallkk
Less than 90 dB adjacent input channels (20 Hz to 20 kHz)
Less than 70 dB left to right outputs (20 Hz to 20 kHz)
CCoommmmoonn MMooddee RReejjeeccttiioonn RRaattiioo ((mmiicc iinnppuutt))
50 dB min. (20 Hz to 20 kHz)
70 dB typ. @ 1 kHz
MMeetteerrss
12-segment peak reading (0 dB = +4 dBu)
SSiiggnnaall//OOvveerrllooaadd IInnddiiccaattoorrss
Red LED illuminates 2 dB below clipping
LLaammpp PPoowweerr
12 VDC @ 350 mA per connector (12 VDC @ 700 mA total max. load)
PPoowweerr RReeqquuiirreemmeennttss
100 VAC - 240 VAC 50/60 Hz 70 W nominal, 24 chan.
80 W nominal, 32 chan.
DDiimmeennssiioonnss (( HH xx WW xx DD))
AAM 2443: 8.9” x 36.6” x 19.5” (22.6 cm x 92.9 cm x 49.5 cm)
AAM 3243: 8.9” x 44.6” x 19.5” (22.6 cm x 113.3 cm x 49.5 cm)
WWeeiigghhtt
AAM 2443: 36 lbs. (16.4 kg)
AAM 3243: 48 lbs. (21.8 kg)