A&R Integrated Amplifier A60

A stereo hi-fi integrated amplifier housed in a wooden cabinet with power output of 30 watts per channel into 8 ohms. With rotary Bass and Treble tone controls, push buttons for high frequency Filter and Mono, jack for headphones. DIN input sockets for Tape, Aux (later CD), tuner and Mag. P.U. (MM cartridge). 2 pin DIN sockets, or later, terminals which will accept either wires or 4mm banana plugs, for the connection of one pair of loudspeakers,  Preamplifier HA10 available separately for Moving Coil cartridges which is powered by the Mag. P.U. DIN socket. Later, an internal Moving Coil preamplifier board, the MC10, was available.

Specification
Power Output
Guaranteed power bandwidth is 20Hz - 20kHz at 0.2% distortion (with both
channels driven into 8 ohm loads at 35 Watts continuous sine wave power).
1kHz output at 0.2% distortion into 8 ohms is typically:
40 Watts (both channels driven)
47 Watts (one channel driven)
1kHz T.H.D. at any level to 35 Watts is less than 0.08% (typically less than
0.05% at 35 Watts)
Crosstalk (Stereo) Less than - 50dB, 10Hz - 1kHz, reducing to typically - 45dB at 10kHz.

Frequency Response
Mag. P.U. Input - Frequency response equalized within ± 0.5dB of RIAA characteristics.      40Hz - 20kHz. typically -3dB at 20Hz.
Other inputs 20Hz - 20kHz + 0.5 -1dB ref. 1kHz

Magnetic Pick-up Input
Sensitivity 2mV for 35 Watts output into 8ohms at 1kHz.
Hum and noise less than - 68dB unweighted or CCIR/ARM weighted.
Overload margin better than 36dB at all frequencies 20Hz - 20kHz
Input impedance 47k ohms in parallel with approximately 30pF.
Loading modules available to produce any load resistance less than 47k
ohms and/or load capacitance greater than 30pF.

Tuner and Aux Input
Sensitivity 100mV into 100k ohms for 35 Watts output into 8 ohms at 1kHz.  
Hum and noise better than -80dB unweighted. or CCIR/ARM weighted.

Tape input
Maximum sensitivity and other details: as above
Sensitivity is variable via preset controls.
Input impedance varies between 47k ohms at maximum sensitivity rising to
100k ohms at minimum sensitivity.

Tape Output
Output level is nominally 100mV.
Output impedance 5k ohms (plus any contribution from TUNER or AUX sources).
Tape monitor switch allows A/B comparison between the recorded sound and the original.

Aux Output
Output level as TAPE OUTPUT. Output impedance 100k ohms (plus any
contribution from TUNER or AUX sources).

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