NAD D3020 Stereo zosilovač
- [1.8. 2025]Smazat/ Upravit/ Topovat




Predám tento parádny zosilovač s lineárnym prednesom zvuku, s poriadnou dávkou výkonu pri 4-6Ohm, ktorý odporúčam spárovať s nejakým kvalitným DACom ako je Topping D50S (zabudovaný DAC hrá dosť analyticky).
Pri záujime nafotím.
Dôvod: Prechod na Purifi 1ET400A ST Stereo Amplifier 1ET6525SA
Odfotené fotky doplním alebo zašlem neskôr emailom.
GENERAL SPECIFICATIONS
LINE INPUT/SPEAKER OUT
Continuous output power into 4 and
8 ohms
30 W (ref. 20 Hz-20 kHz at 0.1% THD,
both channels driven)
THD (20 Hz – 20 kHz) 98 dB (A-weighted, 500 mV input, ref.
2.828 V out in 4 ohms)
Clipping power >50 W (at 1 kHz 4 ohms 0.1 % THD)
IHF dynamic power 8 ohms : 60 W
4 ohms : 100 W
2 ohms : 150 W
Peak output current >18 A (in 1 ohm, 1 ms)
Damping factor >300 (ref. 8 ohms, 20Hz to 6.5kHz)
Frequency response ±0.3 dB (20 Hz - 20 kHz)
Channel separation >75 dB (1 kHz)
>70 dB (10 kHz)
Input sensitivity 250 mV (for 30 W in 4 ohms)
Supports bit rate/sample rate up to 24 bit/192 kHz
Standby power 80 dB (1 kHz)
>70 dB (10 kHz)
Input impedance (R and C) 56 kohms + 100 pF
Maximum input signal >5.5 Vrms (ref. 0.1 % THD)
Output impedance 200 ohms
Input sensitivity 113 mV (ref. 500 mV out, Volume
maximum)
Frequency response ±0.2 dB (20 Hz - 20 kHz)
Maximum voltage output - IHF load >4 V (ref. 0.1 % THD)
Bass EQ 6.0 dB at 80 Hz
PHONO INPUT/PRE OUT
THD (20 Hz – 20 kHz) 82 dB (200 ohms source, A-weighted,
ref. 500 mV out)
>76 dB (MM cartridge source, IHF;
A-weighted, ref. 500 mV out)
Input sensitivity 1.15 mV (ref. 500 mV out, Volume
maximum)
Maximum input signal at 1kHz >90 mVrms (ref. 0.1 % THD)
Frequency response ±0.3 dB (20 Hz - 20 kHz)
Note: The RIAA response is consistent with
a pre-emphasis that is rolled off at 50kHz
by a second order filter, such as used in
Neumann cutting lathes.
LINE INPUT/HEADPHONE OUT
Signal-to-Noise Ratio >96 dB (32 ohms load; A-weighted, ref.
500mV out, unity gain)
Frequency response
Output impedance
Maximum headphone output - 32 ohms
load
±0.3 dB (20 Hz - 20 kHz)
100 ohms
1V (ref. 0.1 THD)
Pri záujime nafotím.
Dôvod: Prechod na Purifi 1ET400A ST Stereo Amplifier 1ET6525SA
Odfotené fotky doplním alebo zašlem neskôr emailom.
GENERAL SPECIFICATIONS
LINE INPUT/SPEAKER OUT
Continuous output power into 4 and
8 ohms
30 W (ref. 20 Hz-20 kHz at 0.1% THD,
both channels driven)
THD (20 Hz – 20 kHz) 98 dB (A-weighted, 500 mV input, ref.
2.828 V out in 4 ohms)
Clipping power >50 W (at 1 kHz 4 ohms 0.1 % THD)
IHF dynamic power 8 ohms : 60 W
4 ohms : 100 W
2 ohms : 150 W
Peak output current >18 A (in 1 ohm, 1 ms)
Damping factor >300 (ref. 8 ohms, 20Hz to 6.5kHz)
Frequency response ±0.3 dB (20 Hz - 20 kHz)
Channel separation >75 dB (1 kHz)
>70 dB (10 kHz)
Input sensitivity 250 mV (for 30 W in 4 ohms)
Supports bit rate/sample rate up to 24 bit/192 kHz
Standby power 80 dB (1 kHz)
>70 dB (10 kHz)
Input impedance (R and C) 56 kohms + 100 pF
Maximum input signal >5.5 Vrms (ref. 0.1 % THD)
Output impedance 200 ohms
Input sensitivity 113 mV (ref. 500 mV out, Volume
maximum)
Frequency response ±0.2 dB (20 Hz - 20 kHz)
Maximum voltage output - IHF load >4 V (ref. 0.1 % THD)
Bass EQ 6.0 dB at 80 Hz
PHONO INPUT/PRE OUT
THD (20 Hz – 20 kHz) 82 dB (200 ohms source, A-weighted,
ref. 500 mV out)
>76 dB (MM cartridge source, IHF;
A-weighted, ref. 500 mV out)
Input sensitivity 1.15 mV (ref. 500 mV out, Volume
maximum)
Maximum input signal at 1kHz >90 mVrms (ref. 0.1 % THD)
Frequency response ±0.3 dB (20 Hz - 20 kHz)
Note: The RIAA response is consistent with
a pre-emphasis that is rolled off at 50kHz
by a second order filter, such as used in
Neumann cutting lathes.
LINE INPUT/HEADPHONE OUT
Signal-to-Noise Ratio >96 dB (32 ohms load; A-weighted, ref.
500mV out, unity gain)
Frequency response
Output impedance
Maximum headphone output - 32 ohms
load
±0.3 dB (20 Hz - 20 kHz)
100 ohms
1V (ref. 0.1 THD)
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