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QUAD 303 Specification
QUAD 303 Power Amplifier Specification
The figures and curves refer to measurernents on either channel, with or without the other channel operating
| Power Output & Distortion: (with unrestricted bandwidth) |
70Hz 0.03% } Any level up to 28W 16 ohms load |
| Frequency Response: |
-1dB (ref 1 kHz) @ 30Hz and 15kHz into 8 ohms |
| Output Source Impedance: | 0.3 ohms in series with 2000µF and 6µH |
| Input Level: | 0.5V rms for 30 watts into 16 ohms |
| Input Impedance: | 22K ohms in parallel with 60pF |
| Hum and Noise: | -l00dB below full output |
| Interchannel Crosstalk: | 30-10,000 Hz better than 60dB. Input load I K ohms |
| Stability: | unconditionally stable with any load |
| Power Input: | 100-125 or 200-250V 50-60 Hz. 40-200 watts depending on signal level. |
| Weight: | l8 lb. (8.2Kg.) |
| Dimensions: | Width 4.75" (l20mm.) Height 6.25" (159mm.) Depth l2.75" (324mm.) (plus 1.25" (38mm.) for connectors |
| Other Applications: | The amplifer may be used for any purposes into load impedances greater than 8 ohms. Below 8 ohms applications should be restricted to music and speech reproduction or intermittent sine- wave duty. |
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