Example: you at 10mhz band. You can go 350khz lower and 350khz higher. Counter will show all SW bands as MW band. Some one used 220v while.Voltge switch was on 127v. Receiver check with 12DC volts. LW-MW working as regular receiver with 4gang cap.
(9k LC and 1.2 xtal filter bandwidth). SW mode become double conversion. MW VFO become SW VFO. Scematic has advantage balance bridge both mixers.
Old fashion 2 transformers, 1.5amp. High gain and little internal noise. It is greater advantage VFO 10times lower frequency.
It keep station from any flactuation. It stays as stable as xtal. You can tunne with in 750khz. Can modify any shortwave band just by.
Replacing 1st constant VFO xtal. Also if necessary can supply.2.7khz USB 6xtal filter from R-155. You can replace xtal 1.2 khz. It has AGC and manual. Will copy all scematic diagrams I have for this receiver.
220-127(110) and 12DC volts. The item "USSR Russian Astra radio receiver military air force army converter" is in sale since Saturday, January 26, 2019. This item is in the category "Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Speakers".The seller is "newgarys_lab" and is located in Port Richey, Florida. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Singapore, Switzerland, Norway, Saudi arabia, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Chile, Colombia, Costa rica, Panama, Trinidad and tobago, Guatemala, Honduras, Jamaica, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Ecuador, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman islands, Liechtenstein, Sri lanka, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Oman, Peru, Pakistan, Paraguay, Reunion, Viet nam, Uruguay, China.