B&K 13790 1104 User Manual
SPECIFICATIONS
Specification
Reference 50 Series 2
Preamplifier Surround Outputs
7.1 RCA Type
7.1 Balanced (XLR)
Surround Sound Processing
Dolby Digital / Dolby Pro Logic IIx / Dolby Digital Surround-EX
DTS / DTS-ES Discrete / NEO:6
Frequency Response
5 - 45kHz
Processor Type
Motorola 371 (180 MIPS)
Input Sensitivity
90 mV
Signal to Noise Ratio
89 dB
Input Impedance
50 K
Ω
Output Impedance
221
Ω
Maximum Output Level
8V
User Presets
40
Audio / Video Source Inputs
7
Balanced (XLR) Source Inputs
2
Digital Audio Inputs
5 Optical / 6 Coaxial
CK1.2 Keypad Compatible
Yes
DVD-Audio Inputs
5.1 (assignable)
Tape Record Loop Outputs
3 Analog / 3 Digital (2 Coax - 1 Optical)
RS-232 Controllable
Yes
Number of zones
2
AC Line Voltage
120 / 220 / 240 VAC (optional / switchable)
Control Outputs
Four 10 - 12VDC triggers @ 50mA
Dimensions in Inches
Width
(Cutout Dimensions)
Height
Depth
Depth
17.00 (17.12)
5.75 (7.87)
13.5 (14.62)
5.75 (7.87)
13.5 (14.62)
Shipping Weight
20 lbs
Power Consumption
30 watts max
Replacement Fuses
AC Line - .5 Amp / 250 Volt Fast Blow
Tuner Specifications
Spec
FM Section
AM Section
Frequency Range
87.5 - 107.9 MHz
520 - 1670 kHz
Total Harmonic Distortion
Less than 0.25%
Less than .3%
Frequency Response
20 Hz - 15 kHz
300 - 3 kHz
IHF (Usable) Sensitivity
12 dBf
28 dBf
Alternate Chan. Selectivity
65 dB
30 dB
Signal to Noise Ratio
70 dB
50 dB
Antenna Input Impedance
75
Ω
300
Ω
Mono/Stereo Sensitivity
15 / 35 dBf
N/A
Capture Ratio
2 dB
N/A
Video Specifications
Freq. Response Composite / S-Video
20 Hz - 10 MHz
Freq. Response Component Video
10 Hz - 100 MHz
Input & Output Impedance
75
Ω
Composite & S-Vid Inputs / Outputs
7 / 5
Component Video Inputs / Outputs
3 / 1
Max. Input / Output Level (RCA & S)
2 V P-P
Reference 50 Series 2 Preamplifier Processor
Reference 50_S2_UM_13790.pdf