SONY STR-6500

Distortion (At 400Hz, 100% modulation):
Mono - 0.4%
Stereo - 0.5%
FM stereo separation - 40dB or more (400Hz)
Automatic stereo switching level - 5μV
19kHz, 38kHz suppression ratio - 54dB
Antenna - 300Ω (Balanced type)

Reception frequency - 530kHz to 1605kHz
Sensitivity:
Bar antenna - 48dB / m
External antenna - 20μV
S / N ratio - 46dB (At 5mV input)
Image disturbance ratio - 45dB (1400kHz)
Intermediate frequency interference ratio - 40 dB (1000 kHz)
Distortion - 0.8% (At 5mV input)
Antenna - Ferrite bar antenna with external terminal

Dynamic power - 44W (8Ω, both channel operation)
Rated output:
15W + 15W (8Ω)
13W + 13W (16Ω)
Damping factor:
25 (8Ω)
50 (16Ω)
Cross modulation distortion:
0.5% or less (At rated output)
0.2% or less (At 0.5W output)
Harmonic distortion (1kHz):
0.5% or less (At rated output)
0.1% or less (At 0.5W output)
Frequency characteristics:
Phono input terminal - RIAA standard
AUX, Tape, Rec / PB (Input) - 20Hz to 60kHz, +0 -3dB
S / N ratio (IHF, A curve correction, input short-circuit, at the time of an Output power):
Phono - 70dB or more (Input 3mV)
AUX - 70dB or more (Input 500mV)
Tape - 90dB or more (Input 500mV)
Tone control:
Bass - ±10dB (100Hz)
Treble - ±10dB (10kHz)
High filter - 5kHz or more, 6 dB / oct.
Loudness control (When volume is -30dB):
+8dB (50Hz)
+3dB (10kHz)
Input sensitivity / impedance:
2.5mV / 47kΩ (Phono)
250mV / 100kΩ (AUX1, 2, Tape, Rec / PB (Input))
Output level / impedance:
250mV / 10kΩ (Rec)
4Ω to 16Ω (Speaker)
8Ω or more (Headphone)

Transistors x 40 pieces
FET's x 2 pieces
Diodes x 25 pieces

Ribbon antenna, White pin plug, Red pin plug, Binaural plug

Wood case TAC-1 (¥ 4,600), Mount bracket MB-5 (¥ 2,800)

Power switch not linked - 1 system (500W)