[Premium-Rx] For Sale: Collins 651S-1 and 635U-2 preselector

[dd3ly at arcor.de]

I have a Collins 651S-1 HF-receiver for sale, with all IF-filters: 0.2 / 0.5 / 1.0 / 2.7USB / 2.7LSB / 3.0 / 6.0 / 16.0kHz, works in AM, FM, USB, LSB, CW, has the squelch option and a red LED frequency readout, comes including mains cable ready wired for your voltage (which you need to specify). I have a service manual for the 651S-1 for sale as well.

I have a matching 635U-2 automatic HF-preselector, This is powered through the receiver but may be used with many other professional radios which have serial or parallel output for frequency controlling external devices. The parallel output is TTL with BCD (1248-code), this is quite common to many elder professional radios... I have a service manual for the 635U-2 for sale as well. I will sell the preselector not just with the receiver. You may buy just the preselector if you want.

Both units, the receiver and the preselector are in nice conditon, electrically and cosmetically. I have tested both on a professional RF-laboratoy with calibrated testequipment. The receiver has an MDS of -10dBµV to -13dBµV which is 0.1µV to 0.05µV, even with the preselector!

For details, pictures and prices just drop a mail. Please keep in mind, I am situated in Germany. Shipping to the US may be a limiting factor. Payment can be made by electronic money transfer, postal money order or PayPal.

73 de Andy DH5AK










----- Original Nachricht ----
Von:     "i0skk at eco-lavoro.com"@
An:      premium-rx at mailman.qth.net
Datum:   25.09.2008 17:33
Betreff: [Premium-Rx] EKD  to sell

> I've an EKD500 general coverage, receiver to sell, it's
> really new (less than 20 hours of use!),
> Please contact me, directly for info.
> 
> Many thanks!
> 
> Alex I0SKK
> 
> 
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