NAD

7045

Receiver

Main Details
Maker NAD Brand New Acoustic Dimension Company
Function
Form Factor Standard Width
Signal Path Analog Hardware
Date Produced 1980-1981
Dimensions
(H × W × D)
Weight 13.5kg
Frequency Response 5Hz-50kHz ±3dB
Additional Specifications
Output Power (8Ω, 20Hz-20kHz, IHF A-202) 45W
Clipping Headroom (8Ω, IHF A-202)) +1.2dB
Clipping Power (8/4/2Ω) 60W/80W/90W
Dynamic Headroom (8Ω) +2.2dB
Dynamic Power (8/4/2Ω) 75W/100W/120W
THD (20Hz-20kHz, 250mW-60W) <0.05%
Reactive Load Rating (IHF A-202) +1.7dB
Transient Overload Recovery Time <1µsec
Damping Factor (50Hz, 8Ω) 75
Slew Factor (IHF A-202) 250
Slew Rate 20V/µsec
SMPTE IMD (60Hz+7kHz, 4:1, 250mW-60W) <0.05%
IHF IMD (19kHz+20kHz) <0.05%
TIM (15kHz Sine +3.18kHz Square Wave) <0.05%
Frequency Response (20Hz-20kHz) ±0.5dB
Input Impedance 47kΩ
Input Capacitance 47pF
Input Sensitivity (1kHz, 1W) 0.4mV
Input Sensitivity (1kHz, 60W) 2.5mV
Input Overload (1kHz) 200mV
Input Overload (20Hz) 20mV
Input Overload (20kHz) 2.0V
THD (Preamplifier, 20Hz-20kHz) <0.01%
IMD (Preamplifier, +30dB Input) <0.01%
RIAA Response Accuracy ±0.3dB
SNR (A-Weighted, Phono Connected, Ref. 10mV) >82dB
SNR (A-Weighted, Phono Connected, Ref. 5mV) >76mV
SNR (A-Weighted, Short Circuit, Ref. 10mV) >90dB
Input Impedance (High Level) 25kΩ
Input Capacitance (High Level) 100pF
Input Sensitivity (High Level, 1W) 25mV
Input Sensitivity (High Level, 30W) 150mV
SNR (High Level, A-Weighted, Ref. 1W) >80dB
SNR (High Level, A-Weighted, Ref. 60W) >92dB
Input Sensitivity (FM, IHF, 30dB Quieting) 1.9µV
Input Sensitivity (FM, IHF, 50dB S/N, Mono) 3.5µV
Input Sensitivity (FM, IHF, 50dB S/N, Stereo) 45µV
SNR (FM, A-Weighted, 65dBf, Mono) 72dB
Frequency Response (FM, 30Hz-15kHz) +0.5dB
De-Emphasis Accuracy (75µsec) +0.3dB
Channel Separation (FM, 1kHz) 40dB
Channel Separation (FM, 30Hz-15kHz) 30dB
Selectivity (400kHz) 62dB
Capture Ratio (45dBf) 1.5dB
Capture Ratio (65dBf) 1.5dB
AM Suppression (45dBf) 60dB
AM Suppression (65dBf) 60dB
Image Rejection (FM) 50dB
IF Rejection (FM) 60dB
SCA Rejection 70dB
Pilot Signal Suppression 55dB
THD (100% Modulation, 1kHz, Mono) 0.2%
THD (100% Modulation, 1kHz, Stereo) 0.3%
THD (100% Modulation, 100Hz, Mono) 0.2%
THD (100% Modulation, 100Hz, Stereo) 0.3%
THD (100% Modulation, 6kHz, Mono) 0.3%
THD (100% Modulation, 6kHz, Stereo) 0.4%
THD (FM, 1kHz, Stereo, 50% Modulation)) 0.3%
THD (FM, 1kHz, Stereo, 150% Modulation) 0.4%
Usable Sensitivity (AM) 300µV
Selectivity (AM) 30dB
Image Rejection (AM) 50dB
IF Rejection (AM) 40dB

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