描述：
• VP-727A-BA是高性能的立体声音频矩阵切换器，可选择预览和主输出音频。 .
o 单独使用或者和VP-727XL视频配合使用.
o 输入 - 8路平衡立体声音频，双卡农(F)头.
o 输出 - 2 balanced stereo (1 program & 1 preview) on dual XLR (M) connectors, and a single S/PDIF program output on a RCA connector.
o Headphone Output - Program or preview (selectable).
o Input Level Control - Each input and output.
o Take Button - For executing preview to program switching (with the option to either CUT or FADE (mix) between the audio sources).
o Front Panel Lockout.
o Preview & Program Mute Buttons.
o Audio-Follow-Video - When connected to the VP-727(xl).
o Proc Amp - Base, treble, balance & delay (per input).
o Flexible Control - Front Panel, RS-232 and RS-485 (to connect to VP-727(xl) and VP-727T T-Bar controller).
o Worldwide Power Supply - 100-240V AC.
o Standard 19” Rack Mount Size - 2U. Rack “ears” included.
o Stand alone or VP-727(xl) Companion Switcher.
o Inputs - 8 balanced stereo audio on dual XLR (F) connectors.
o Outputs - 2 balanced stereo (1 program & 1 preview) on dual XLR (M) connectors, and a single S/PDIF program output on a RCA connector.
o Headphone Output - Program or preview (selectable).
o Input Level Control - Each input and output.
o Take Button - For executing preview to program switching (with the option to either CUT or FADE (mix) between the audio sources).
o Front Panel Lockout.
o Preview & Program Mute Buttons.
o Audio-Follow-Video - When connected to the VP-727(xl).
o Proc Amp - Base, treble, balance & delay (per input).
o Flexible Control - Front Panel, RS-232 and RS-485 (to connect to VP-727(xl) and VP-727T T-Bar controller).
o Worldwide Power Supply - 100-240V AC.
o Standard 19” Rack Mount Size - 2U. Rack “ears” included.
参数：
INPUTS: 8 left and right stereo balanced audio + 4dBm/50kΩ on XLR F connectors
OUTPUTS: 1 Program left and right and 1 Preview left and right stereo balanced audio
outputs + 4dBm/50kΩ on XLR M connectors
1 Headphone output on a 6.5mm jack
1 Program S/PDIF output on an RCA connector
MAX. OUTPUT LEVEL: >4.5Vpp
BANDWIDTH (-3DB): >22kHz
S/N RATIO: >85dB
CROSSTALK @1KHZ (ALL HOSTILE): Program: <-88dB
Preview: <-92dB
Balanced: <-88dB
Phones (Preview): <-82dB
Phones (Program): <-80dB
CONTROLS: Preview level: <-72dB to 62dB in and out
Program level: <-73dB to 45dB in and out
Program bass: 0dB to 27dB @100kHz
Program treble: 0dB to 11dB @10kHz
Program balance: -18dB to 0dB
Program balanced (+/-) level: <-80db to 47dB
Phones level (preview and program level): <-80dB to 57dB
COUPLING: AC, input and output
AUDIO THD + NOISE: Program: 0.02%; Preview: 0.002%;
PROGRAM PHONES: 0.034%; Preview phones: 0.018%
AUDIO 2ND HARMONIC: Preview phones: 0.03%; Program phones: 0.04%; Program: 0.03%; Preview:
0.04%; Program balanced: 0.04%
POWER SOURCE: 100-240 VAC, 50/60 Hz; 10VA
DIMENSIONS: 19-inch (W), 7-inch (D) 2U (H) rack-mountable
WEIGHT: 3.5kg (7.7lbs) approx.
ACCESSORIES: Power cord, Null modem adapter, Windows®-based Kramer control
software
应用图：