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Dynair VS-12L-A passive video switcher, tested / working.
A vintage broadcast switcher! This is a passive video switcher with UHF / SO-239 connectors. Internal lamps are used to light up the front panel buttons when pressed. Otherwise there are some scuffs and scrapes, see photos for condition. This switcher is completely passive, only the selected input is routed to the output. Unused inputs are not terminated. The 12 buttons all set and reset with a satisfying CLUNK, and being analog, there is no delay or lag. Perfect for gamers!
Being passive, this switcher could also be used for audio and RF up to perhaps 30 MHz. Recommended for receiving applications only as the VSWR is not specified by the manufacturer. It could also be used in the reverse direction, sending one source to multiple destinations (but only one at a time).
Also includes ten (10) UHF to BNC cables, approximately 2 feet long. The connectors on most of the cables are silver plated and tarnished (but easily cleaned). Mark, msalbert at aol dot com (9/30/26)
Dynair TX-3A Channel 6 analog TV modulator with Full Manual, UNTESTED
Professional grade analog TV modulator, made in USA by Dynair. Pulled from a working installation. It powers up but no other testing done. For USA channel 6 only (not adjustable). Accepts analog NTSC video via a "BNC" connector, and analog mono audio via a terminal block, and modulates both onto a user-selected RF channel. Has front panel meters and adjustments for setting modulation levels.
Includes FULL operation and service manual. Otherwise there are some scuffs and scrapes, see photos for condition. Mark, (847) 854-4002 msalbert at aol dot com (8/25/26)
Professional grade analog TV modulator, model VM2450B, made in USA by the RL Drake company. It powers up but no other testing done. A yellow note attached to the top indicates that some channels are not working. Accepts analog NTSC video via an "F" connector, and analog mono audio via an "RCA" connector, and modulates both onto a user-selected RF channel. Has front panel LED indictors and adjustments for levels.
The front panel vinyl is peeling in spots, and one of the rack flanges is bent (easily fixed). Otherwise there are some scuffs and scrapes. Mark, (847) 854-4002 msalbert at aol dot com (8/25/26)
The Faroudja model CTC-2 was a professional-grade bi-directional RGB-to-component video transcoder introduced by Faroudja during the mid-1990s. It originally retailed for around $3,600 and was designed to convert high-end 480i analog video signals cleanly without signal loss or extra visual artifacts. Interior toggle switches are used to configure the transcoding format as well as switch the internal color bar generator on and off. There are no network or serial control connections.
Excellent for gamers who wish to use vintage CRT broadcast professional monitors. Please note this transcoder does not accept any digital signals, nor does it accept analog signals having a resolution greater than 480i.
The rack case is in vintage condition, with multiple scratches and worn spots. The removable front panel is in good shape (see photos for condition). Interior appears clean. I have done limited testing and the unit appears to be in working condition., including the color bar generator. I have more photos and a demo video. Asking $250 plus pirate ship at cost, but will consider all reasonable offers. Located in IL. Mark, (847) 854-4002 msalbert at aol dot com (8/25/26)
Interested in some video monitors (mainly color) that are in decent condition, near Michigan. Nate, Spartyavenger at gmail dot com (2/25/25)
