JVC JXS777 A/V Switcher - AVS Forum
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post #1 of 3 Old 01-09-2001, 10:16 AM - Thread Starter
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Just wondering if anybody had any feedback on the JVC JXS777 AV Selector. It has a bunch of composite and s-video ins and outs, as well as 2 component video ins, one component video out and three firewire input/output connections. I have been looking at different pre/pros and found that most of the high-end models don't have switching. Was wondering if anyone had any experience with the JVC since I definitely do not want to compromise picture or sound quality, Specs are below.

AV INPUT: 8 lines ( S-Video, Video, Audio L/R)
AV Output: 5 lines (S-Video, Video, Audio L/R)
Component input: 2 lines
Monitor output: 2 lines
DV input/outputs: 3
Optical inputs: 2
Optical output: 1
Processor in/out: 1 line
Video Frequency response: Composite 12 MHz, Component 30 MHz
Video Reference input: Composite 1.0 Vp-p (75 ohms unbalanced), Component Y: Vp-p 1.0V (75 ohms), Cb/Pb & Cr/Pr: Vp-p 0.7V (75 ohms)
Maximum video input level: Composite 1.0 Vp-p, Component Y: Vp-p 1.5V (75 ohms), Cb/Pb & Cr/Pr: Vp-p 1.0V
Video Crosstalk: 50 dB or more (45 dB or more between Y/C in the same channel)
Video S/N ratio: 50 dB or more
Audio Reference input level: -10 dBV, 47k ohms
Maximum Audio input level: +6 dBV (2.0 VRMS), 1kHz
Audio S/N ratio: 80 dB or more
Audio Output level: -10 dBV (with reference input, 1 kHz)
Audio S/N ratio: 80 dB or more
Audio Frequency Response: 5-50 kHz
Audio Total Harmonic Distortion: 0.01 % (with reference input, 1kHz)
Optical digital signal: [wavelength] 660 nm +/-30 nm, [output] -15 dBm - -2121dBm (at the end of reference level optical fiber output)
Power Requirements: AC 120V, 60 Hz
Power consumption: 15 W (Power On), 1.2 W (Standby)
Remote control unit (RM-AS700), SUM-3/AA/R6 battery x 2
Video Signal Format: NTSC

Warranty: 1 year parts 90 day labor warranty

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post #2 of 3 Old 01-09-2001, 12:12 PM
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I have used the previous model, no component video, JVC A/V swicher for years. I've hooked up VCR, DVD, Laserdisc, Intendo, and camcorder to the JVC and I not seen any lose in picture quality from any of the inputs. For the DVD and Laserdisc players, I do not use the audio inputs. They go directly to the pre/amp processor. It has also made using the system much more simplified for my kids and my wife. I recommend it highly.

Gary
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post #3 of 3 Old 01-09-2001, 03:11 PM - Thread Starter
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Thanks for the feedback. Nice to hear that the older model has been working well. However, I am most concerned (for obvious reasons, with the quality of the switching on component video. Like you, I don't plan on using the audio switching much - those can go directly into the pre/pro.

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