GENERAL • Frequency range : *1 Specifications guaranteed for 0.1 – 29.99 MHz and 50 – 54 MHz *2 Specifications guaranteed for 0.1 – 29.99 MHz • Mode : SSB (LSB, USB), AM, FM, CW, RTTY, S-AM • Receive system : Triple-conversion superheterodyne • Intermediate frequencies : May differ according to selected IF filter. • Sensitivity : 0.1 MHz – 1.799 MHz (Preamplifiers are OFF) SSB, CW, RTTY less than 2.0 μV for 10 dB S/N AM, S-AM less than 13.0 μV for 10 dB S/N 1.8 MHz – 27.99 MHz (The preamplifier 1 is ON) SSB, CW, RTTY less than 0.16 μV for 10 dB S/N (typical) AM, S-AM less than 2.0 μV for 10 dB S/N 28 MHz – 29.99 MHz (The preamplifier 1 is ON) SSB, CW, RTTY less than 0.16 μV for 10 dB S/N (typical) AM, S-AM less than 2.0 μV for 10 dB S/N FM less than 0.5 μV for 12 dB SINAD 50 MHz – 54 MHz (The preamplifier 2 is ON) SSB, CW, RTTY less than 0.13 μV for 10 dB S/N (typical) AM, S-AM less than 1.0 μV for 10 dB S/N FM less than 0.25 μV for 12 dB SINAD • selectivity : SSB, CW, RTTY More than 2.1 kHz/–6 dB Less than 4.0 kHz/–60 dB AM, S-AM More than 6.0 kHz/–6 dB less than 20.0 kHz/–50 dB FM More than 12.0 kHz/–6 dB less than 30.0 kHz/–40 dB • Audio output power : More than 2.0 W at 10 % distortion with an 8 ½ load • Antenna impedance : 50 ½ or 450 ½ • Squelch sensitivity (threshold) : *Preamplifiers are OFF; *1Preamplifier 1 is ON; *2Preamplifier 2 is ON • Current drain (13.8 V DC) : Less than 1.3 A (Standby), Less than 1.5 A (Max. audio out) • Spurious and image rejection : More than 70 dB (0.1 – 1.799 MHz SSB, AM, S-AM are more than 60 dB) • Dimensions : 241(W)´94(H)´229(D) mm; 91⁄2(W)´311⁄16(H)´91⁄32(D) inch (projection not included) • Weight (approximate) : 3.0 kg; 6 lb 10 oz (AC adaptor “AD–55/A/V” is not included) • Antenna connector : SO-239 (50 ½), push connection terminal (450 ½) • CI-V connector : 2-connector 3.5 (d) mm (1⁄8")/8 ½ • PHONES connector : 3-conductor 6.35 (d) mm (1⁄8") • External speaker connector : 2-conductor 3.5 (d) mm (1⁄8")/8 ½