• Country
• United States of America (USA)

• Manufacturer / Brand
• HRB Systems Inc., Linthicum Heights (MD)

• Year
• 1989 ??

• Category
• Commercial Receiver (may include amateur bands)

• Radiomuseum.org ID
• 110859

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• Alternating Current supply (AC) / 110; 220 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: HW1390A - HRB Systems Inc., Linthicum

• Shape
• Rack

• Dimensions (WHD)
• 8.5 x 3.5 x 14 inch / 216 x 89 x 356 mm

• Notes
• Frequency Range 5 kHz to 2 MHz in one Band; LED display which displays frequency to 1 Hz. The tuning rate is variable and scales from 1 Hz to 10 Hz to 100 Hz to 1 kHz ... etc. depending on the speed with which the tuning dial is turned.
  Modes: AM, FM, CW, LSB, USB;
  Bandwidth: 400 Hz, 2.5, 5, 10, 20 kHz;
  BFO: ±10 kHz via the Tuning Dial;
  Attenuator: 0 to 40 dB in 10-dB-steps;
  RS-232 port; Video and IF outputs; Headphones Jack; Audio/Video/IF Gain Controls; AGC/MGC; Selectable Antenna Input Termination 50/1k Ohm; 1/2 Rack size.

• Net weight (2.2 lb = 1 kg)
• 10 kg / 22 lb 0.4 oz (22.026 lb)

• Source of data
• - - Data from my own collection

• Other Models

• Here you find 1 models, 1 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from HRB Systems Inc., Linthicum Heights (MD)