36 November 19, 2001 AM259107_00_V.pdf
Appendix B: Specifications
Specifications for Bose
®
Model 2060 and Model 21
50
Commercial Power Amplifiers (cont.)
Specifications common to both amplifiers
Output configurations
Audio output transformer taps per channel: 100V, 70V, 50V, 35V, 25V, 8Ω, 4Ω
Dynamic headroom
1.2 dB
Full power bandwidth
30Hz to 20kHz @ 0.5% THD
Frequency response
30Hz to 20kHz (-3dB)
Channel separation
>80dB @ 1kHz
Input impedance
50kΩ balanced; 25kΩ unbalanced
Sensitivity
0.775V for rated power @ 1kHz
Maximum input
+ 20dBu (7.75 V)
IM distortion
0.2%
THD
<0.5% rated power, <0.2% 1/8 rated power
Signal - to - noise ratio
>95dB A-weighted below full power bandwidth
CMRR
>80dB @ 1kHz
Power requirements
USA/Canada: 120V ~ 50/60 Hz, 600W
International: 220-240V ~ 50/60 Hz, 600W
Japan: 100V ~ 50/60 Hz, 600W
Fusing/protection
Mains internally fused. Amplifier thermal and short circuit protection
Display
19 LED indicators per channel
1 amber NETWORK, 1 amber STANDBY, 2 green READY, 2 red THERMAL, 1 red PRO-
TECT, 2 amber SIGNAL, 2 green -20dB, 2 green -12dB, 2 yellow -6dB, 2 red CLIP
Size (H x W x D)
3.5"H x 19"W x 16"D (8,9cmH x 48,3cmW x 40,1cmD)
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