Description
Thank you for your interest.????We JAPAN BOSSO sell Japanese products.If you have any questions, please feel free to message me???? *On rare occasions, even beautiful or tested items may be damaged during shipping. In such cases, please contact us upon arrival and we will take care of the damage according to our regulations. ???? DescriptionI think it is a rare radio that is almost not available in the market. It was in my grandmothers house.I would like to sell it to someone who will take good care of it. TRIO TrioTS500 TS-500Vacuum Tube Transceiver SSB Main Unit OnlyRadioRestoration, parts removal The power cord is missing. Power cord is missing.Please check the photos for condition.Year of manufacture: 1968Size: Height (depth): 33 cm, width (width): 30 cm, height: 21 cmWeight: 10kg There are no accessories. No accessories. This was a new product in 1966.In this era, SSB had already begun to spread, and TRIO started with the TX-15S/21MHz monoband transmitter series that employed the PSN method, which did not use expensive filters, as an inexpensive SSB transmitter, followed by the TX-20S for 14/7MHz, and then the TX-40S, The receiver that could transceive at that time was this unit.It was a full-fledged SSB receiver that employed a Collins-type double super heterodyne system (1st-IF 9MHz, 2nd-IF 455KHz) and the latest silicon transistor 2SC185 (called micro disk type made by NEC) for VFO.Around the same time, Japans first SSB transceiver, the TS-500, was introduced. The TS-500, which is said to be Japans first SSB transceiver, was introduced at almost the same time, but it used the same Tr VFO.As a side note, the TS-500 had a problem with VFO drift (oscillation in the 12MHz range, which was higher than the 8MHz range of this transceiver). The combination of 7 vacuum tubes and 2 Tr (VFO) covers 5 HF bands including 10MHz JJY, and 28MHz band is divided into 3 bands with 600KHz width (as a result, the band SW has 8 contacts).The mechanical filter that determines the selectivity is not a full-fledged one made by Kokusai Electric, but a simple one made by Toko.This is probably a cost issue.The BFO is a crystal system (453.5 KHz).The VFO dial is partially reversed, but a single BFO crystal is used for LSB below 10 MHz and USB above 10 MHz.As for the mechanical filter, I think there were a few people who replaced it with a full-fledged international mechanical filter.Reception mode can be switched between SSB-CW, AM, and AM-ANL (no filter switching).The main dial is 50KHz per revolution, which was the standard (or even the latest!) at the time. The main dial is 50KHz per turn, which was also the standard (and newest!) at that time. ShippingCredit cards, debit cards, Apple Pay, Google Pay, and Paypal are accepted. We will ship after payment. Items will be shipped within 5?10 days after payment is received. The shipping address will be the address registered on ebay. We try to ship as quickly as possible regardless of weekends and holidays.We will deliver safely and securely from Japan.International Buyers - Please Note:Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyers responsibility. Please check with your countrys customs office to determine what these additional costs will be prior to bidding or buying. Thank you for your understanding.
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