====== Sony ICF-4900 ======
Manufactured by [[Sony]], Tokyo.

Around 1985, Sony introduced the miniature receiver ICF-4900 with several shortwave ranges as successor of the [[ICR-4800]], it was the first set with the typical Sony designation with the famous letters //ICF//.

In the USA, the set was sold as [[ICF-4910]].
{{:images:sony-icf-4900.jpg?600|ICF-4900}}
===== Technical data =====
  * [[Principle]]: [[Double conversion superhet]], [[IF]] xx / 455 kHz / FM 10.7 MHz
  * [[Operation modes]]: [[A3|AM (A3)]], [[F3|FM (F3)]]
  * [[Frequency range]]: FM, LW, MW, 7 x SW (49 - 13 mb)
  * [[Frequency dial]]: Analogue dial, approx. 25 kHz
  * [[Frequency memory]]: none
  * [[Signal strength indicator]]: Tuning LED
  * [[Signal processing]] 
  * [[Features]] 
  * [[Sensitivity]]: [[A3|AM (A3)]] / [[Selectivity]]: kHz (-6/-60 dB)

==== Power supply ====
  * [[Batteries]]: 2 x 1.5 V ([[UM-3]])

==== Dimensions ====
  * 130 x 76 x 25 mm, weight 0.2 kg

==== Accessories ====
{{:images:sony-icf-4900-front.jpg?600|ICF-4900}}
===== Operation =====
The Sony ICF-4900 was the successor of the [[ICR-4800]], Sonys first multi-band miniature receiver. The set covers not only five but seven shortwave bands from 49 - 13 m in addition to the FM broadcast band and mediumwaves.

===== Technical principle =====
Double conversion, analogue technology.

==== Components ====
The set is equipped with semiconductors.

===== Technical documentation =====

==== Development ====
{{gallery>:images?sony-icf-4900*.jpg&0&80x80&lightbox&showtitle&titlesort}}
==== Further information ====
  * [[https://www.radiomuseum.org/r/sony_icf_4900.html|Sony ICF-4900 on the website of www.radiomuseum.org]]