Mam taki kwadrofoniczny wzmacniacz którego chciałbym używać w stereo.
Pytanie moje jest takie: ile taka parka kolumn ma mieć watów i ohmów?
Poniżej wstawiam spec:
Specifications
Amplifier section
Music Power (IHF):
4-Ch Operation : 260 W at 4 Ω; 180 W at 8 Ω;
2-Ch Operation : 250 W at 8 Ω
Continuous Power (1 kHz RMS):
4-Ch Operation (all channel driven) :
40 W/40 W/40 W/40 W at 4 Ω
34 W/34 W/ 34 W/34 W at 8 Ω
2-Ch Balanced Transformerless Operation
Both Channels Driven : 85 W/85 W at 8 Ω
Continuous Power (20-20,000 Hz RMS):
4-Ch Operation:
All Channels Driven :
28 W + 28 W + 28 W + 28 W at 4 Ω
26 W + 26 W + 26 W + 26 W at 8 Ω
2-Ch Balanced Transformerless Operation
Both Channels Driven : 80 W + 80 W at 8 Ω
Total Harmonic Distortion: 0,5%
Intermodulation Distortion (60 Hz : 7 kHz = 4:1, SMPTE) : 0,7%
Power Bandwidth (all ch. driven at 8 Ω): 5 Hz - 40 kHz -3 dB
Frequency Response:
Phono : RIAA standard curve ±1 dB
Aux : 7 Hz - 70 kHz +0 -3 dB
Residual Hum and Noise: 1,5 mV
Input Sensitivity/Impedance:
Phono : 2 mV/50 k Ω
Aux : 180 mV/30 k Ω
Playback : 180 mV/30k Ω
Signal-to-Noise Ratio (IHF-A):
Phono : 70 dB
Aux : 90 dB
Tone Controls:
Bass : 50 Hz ±11 dB
Treble: 10 kHz +10 dB - 10
Loudness control (Volume at -30 dB): 50 Hz +10 dB
Filters:
Low : 200 Hz, -6 dB
High : 7 kHz, -6 dB/oct
Audio Muting: -20 dB
Rec Out: 180 mV
Damping Factor: 10 at 4 Ω ; 20 at 8 Ω
Load Impedance:
Main or Remote : 4 - 16 Ω
Main + Remote : 8 - 16 Ω
FM Tuner Section
Frequency Range: 88 - 108 MHz
FM Sensitivity (IHF): 1,9 µV
Alternate Channel Selectivity: 66 dB
Harmonic Distortion [mono/stereo]: 0,3%/0,4%
Signal-to-Noise ratio: 65 dB
Frequency Response: 20 Hz - 13 kHz ±1 dB
Image Rejection (at 98 MHz): 55 dB
IF Rejection (at 98 MHz): 60 dB
Spurious Resposne Rejection (at 98 MHz): 60 dB
Capture Ratio: 1,5 dB
Am Suppression : 50 dB
Stereo Separation (at 1 kHz): 40 dB
Leak Carrier (19 kHz, 38 kHz)
Am Tuner Section: frequency Range : 520 - 1610 kHz
Sensitivity: 20 µV
Selectivity: 25 dB
Image Rejection ( at 1000 kHz) : 40 dB
IF Rejection (at 10000 KHz) : 40 dB
General:
Power Supply: 110 - 120 V, 220-240 V AC, 50/60 Hz
Power Consumption: 360 W
Dimensions (W x H x D): 21-11/32" x 6-3/32" x 15-9/16"
Weight: 37,3 lb
przy 4 ohom idzie dwa razy więcej pary