Electro-Voice Eliminator - Noise and Physical Characteristics; Noise Interference Measurements

4
11. Noise interference
- U(F) = external voltage un-weighted with B = 22 Hz … 22 kHz, effective value (IEC 268-1)
- U(G) = noise voltage, frequency-weighting filter according to CCIR-468-3, quasi peak weighted (IEC 268-
1)
- U(A) = interference voltage A-weighted, dB(A), effective value (IEC 268-1)
- Signal-to-noise ratio referring to maximum output voltage at 4 Ω and A-weighted interference voltage
power amp output U(F)
dBu
U(G)
dBu
U(A)
dBu
GAIN
dB
INPUT(A)
dBu
S/N-R.
dB
remark
Force SPEAKER
OUT A&B -66.2 -55.2 -68.2 34 -102.2 103
INPUT A&B
R(Q) = 50Ω
Eliminator SPEAKER
OUT A&B -65 -54 -67 35 -102 103
INPUT A&B
R(Q) = 50Ω
Force SPEAKER
OUT A&B -68.2 -57.2 -70.2 / / /
INPUT A&B
R(Q) = 50Ω
Eliminator SPEAKER
OUT A&B -68 -57 -70 / / /
INPUT A&B
R(Q) = 50Ω
12. Dimensions and weight
power amplifier weight dimensions in mm
Force 15kg 483 x 132.5 x 385.5
Eliminator 16kg 483 x 132.5 x 385.5