Audio Database

The

SANSUI AU-6500
59,900yen(around the 1973 time)

Description
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The Integrated Amplifier which carries a practical use functionality in the substantial basic performance.

A power amplifier part is the whole page hardwired-connection pure complementary circuit which combined the power transistor of PNP-NPN symmetrically, and has realized the Low-noise-izing.
Moreover, the large-sized transformer and the capacitor of 6,800 micro Fx2 are adopted as a power-source part.

In the equalizer circuitry, the low-noise and the extensive dynamic range are realized in the combination of a low-noise transistor and PNP-NPN-PNP.

What combined the relay with a transistor and diode is adopted as a protection network, and also the immediate judgment fuse was used together and it has taken all possible measures.

The tone control, the loudness, the muting circuit, and a row / high light filter are carried.

4ch adapter termination is carried.

Rear

Rating of a mode
Form Integrated Amplifier
Effective output
Both ch(es) operation 20Hz-20kHz:28W+28W (8ohm)
1kHz: 30W+30W (8ohm)
One-side-channel operation 1kHz:32W/32W (8ohm)
Music power 94W (4 ohms, 1kHz)
THD (at the time of an Output power) Main Amp: 0.1% or less
Cross modulation distortion Main Amp: 0.1% or less (70Hz:7kHz=4:1, SMPTE)
Power Band Width (IHF) 5Hz - 40kHz (8 ohm, one-side-channel operation)
Frequency characteristic (at the time of 1W output) Phono1, 2:30Hz-15kHz}0.5dB (RIAA deflection)
Aux: 10Hz-30kHz}1.0dB
Main Amp: 10Hz-40kHz}1.0dB
Dumping factor 40 (8ohm)
Input sensitivity/impedance
(1kHz)
Phono1:2.5mV/50kohm
Phono2:2.5mV/50kohm
Tuner, Aux, 4ch adaptor, and Tape monitor(pin/din):100mV /, 50kohm
Main Amp: 800mV / 40kohm
Phono maximum permissible input 300mV (less than THD 0.5%)
Output voltage (1kHz) Tape Rec(Pin/Din):100mV/30mV
4ch Adaptor:100mV
Pre Amp: 0.8V (less than THD 0.08%)
4.0V (a maxima and less than THD 0.5%)
A hum and a noise (IHF) Phono1, 2:70dB or more
Tuner, AUX: 80dB or more
Main Amp: 100dB or more
Tone control Bass: }15dB (50Hz)
Treble:}15dB (15kHz)
loudness (Volume-30dB o'clock) + 10dB (50Hz) and +8dB (15kHz)
A low filter - 12dB (50Hz, 6 dB/oct)
A high filter - 12dB (10kHz, 6 dB/oct)
Muting -20dB
Power dissipation (maxima) 65W(125VA)
Dimensions Width 440x height 140x depth of 322mm
Weight 11.5kg