QC II
| Manufacturer | Quad |
| Function | Amplifier, Pre (Mono control unit) |
| Produced | 1953-1959 |
| Country | UK |
| Signal Path | Analog Hardware |
| Dimensions | W 321mm H 103mm D 207mm |
| Weight | 2.8kg |
| Power | AC 240V |
| Amplifier output | 1.4V |
| Tape output | 500mV |
| Connections |
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| Controls |
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| Notes | Valves: ECC83, EF86 |
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