Altec Lansing 1209B - Manual (Page 3)

BIAMPLIFIER SPECIFICATIONS
Type:
Gain (with Full
Boost) —
Bass Amplifier:
Treble Amplifier:
Input Sensitivity (for
Rated Output with
Full Boost:
Power Output —
Bass Amplifier:
Treble Amplifier:
Total Harmonic
Distortion (THD):
IM Distortion:
Crossover Frequency:
Frequency Response:
Input Impedance:
Load Impedance:
Biamplifier with electronic
crossover
52 dB with 15335 Line
Matching Transformer
66 dB with 15095A Line
Bridging T ransformer
49 dB with 15335 Line
Matching Transformer
63 dB with 15095A Line
Bridging Transformer
0.5V rms direct
0.5V rms with 15335 Line
Matching Transformer
(high-level balanced-line
matched input)
0.1V
rms with 15095A
Line Bridging Transformer
(high-level balanced-line
bridging input)
60 watts at less than 0.5%
THD
30 watts at less than 0.5%
THD
Less than 0.5% at rated
power, 20 Hz to 20 kHz
Unmeasurable by normal
IHF method
500, 800 or 1500 Hz with
12 dB/octave slope
±1 dB from 20 Hz to 20
kHz (normalized composite
output)
15.000 ohms direct
600 ohms with 15095A
transformer
15.000 ohms with 15335
transformer
8 ohms nominal for each
amplifier
Damping Factor:
Noise Level:
Controls:
Power Requirements;
Dimensions
Overall:
Panel Cutout;
Weight:
Color:
Optional Accessories:
25
80 dB below rated output
1 BASS GAIN CONTROL,
continuously variable, -^6
dB to -15 dB
1 TREBLE GAIN CON­
TROL, continuously vari­
able, -t6 dB to -15 dB
1 ELECTRONIC CROSS­
OVER FREQUENCY
switch, 500/800/1500
Hz. Use 500 Hz for
1209B.
1 POWER switch
1 PRESS TO RESET push­
button (circuit breaker)
(771B only)
1 VOLTAGE SELECT
switch (771BX only)
120V ac, 50/60 Hz -
17W at zero signal
90W at SOW output
135W at 90W output
6-1/2"Hx9-7/8"Wx9"D
(16.51 cm H X 25.08 cm W
X 22.86 cm D)
5-1/2" Hx 9-1/2" W
(13.97 cm H X 24.13 cm
W)
16 pounds (7.26 kg)
Black
ALTEC 15095A Line
Bridging T ransformer
ALTEC 15335 Line Match­
ing Transformer
NOTE
ACCESSORIES MUST BE ORDERED
SEPARATELY.