Cyrus One Integrated Amplifier. Classic amp with a cult following. Made in England. Big sound from a small package. Some small markings painted over but in good condition for the age. If you have not heard one of these before you will be impressed by the realistic sound and the power. Full specs below.
Will also sell as part of a package including matched Mission 781 speakers of the same era.
The amp has banana style speaker connectors and RCA/Phone inputs for input.
Dimensions - (H x W x D)85mm x 215mm x 345mm
Weight - 4 -5kg (depending on version)
Finish - Black
Input Sensitivity
(Ref. 1W O/P)
Phono MC 0.04 mV
Phono MM 0.40 mV
Line (CD,Aux,etc.) 65 mV
Input Overload
Phono MC 31 dB
Phono MM 31 dB
Line Infinite
Maximum Output Level
Tape out 11 Vrms
Power Amp out 17 Vrms
Input Impedance
Phono MC 47 KOhms +100 pF
Phono MM 47 KOhms +100 pF
Line 14 KOhms
Output Impedance
Tape out 150 Ohms +2.2 MF
Power Amp 0.08 Ohms
Frequency Response
Phono(Ref.New RIAA) 20Hz - 20KHz +/-0.2 dB
Line 1Hz - 50KHz -3 dB
Distortion ('T'H D)
Phono MC 0.01%
Phono MM 0.003%
Distortion (SMPTE IMD)
Phono MC 0.01%
Phono MM 0.003%
Signal to Noise Ratio (A- Weighted 1W output)
Phono MC 67 dB
Phono MM 84 dB
Line 86 dB
Minimum Speaker Impedance Load Specification
8 Ohms
Continuous Average Power (Per Channel)
8 Ohms 25 W
4 Ohms 40 W
Damping Factor (20Hz - 20KHz)
100
Dynamic Headroom
1.4 dB
Slew Factor (Input Filter by-passed)
10
Distortion (THD)
1KHz full power
8 Ohms 0.003%
4 Ohms 0.004%
20KHz full power
8 Ohms 0.015%
4 Ohms 0.025%
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