Dual CT 1740

Specifications

(German Industrial Standard DIN 45 500 for Hi Fi  stereo home studio equipment)

WaveBand

FM Band : 87,5 - 104 MHz

AM Band : 513 -1602 kHz

Sensitivity

FM Mono (75 Ω, S/N ratio 26 dB) : 0,6 µV

FM Stereo(75 Ω, S/N ratio 26 dB) : 1,8 µV

FM Stereo (75 Ω, S/N ratio 46 dB) : 18 µV

AM (according to DIN 45 300, S/N ratio 6 dB) : 15 µV

Automatic Mono/Stereo Switchover Adjusting Range:  10 - 280 µV

Mutin Control (can be switched off, variable range):  10 - 230 µV

Limiter Operating Point -3 dB:  0,5 µV

Signal-to-Noise Ratio (weighted)

Mono (related to 1 kHz /40 kHz deviation) : 63 dB

Stereo (related to 1 kHz/46 kHz deviation) : 63 dB

Signal-to-Noise ratio (unweighted)

Mono (related to 1 kHz/40 kHz deviation):  60 dB

Stero (related to 1 kHz/46 kHz deviation):  60 dB

Pilot-tone-attenuation (measured via low-pass filter):  65 dB

Harmonic Distortion

Mono (measured 1 kHz/4 kHz deviation) : 0,3%

Stereo (measured 1 kHz/4 kHz deviation) : 0,3%

Channel Separation (at 1,000 Hz):  40 dB

Af Frequency Response (for 50 µs preemphasis -1,5 dB):  20 hz - 15 kHz

IF Bandwidth -3 db:  140 kHz

Selectivity:  85 dB

Image Rejection (Fe + 2 ZF):  75 dB

Spurious Signal Rejection (Fe + ZF₂):  100dB

Antenne

FM : 60/75 and 240/300 ohm impedance

AM : High impedance (inductive)

Dimensions (W x H x D):  40 x 150 x 365 mm

Weight:  7,8 kg