Amplificator Kenwood KA 3700

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Amplificator Kenwood KA 3700: vintage amplifier, 4 intrari, 2 iesiri, impedanta 4-16 ohmi, made in Japan, 185W consum din retea, reglaje bass, inalte, balance, loudness, arata si functioneaza bine.

Kenwood KA-3700 (1977)
KA-3700 Integrated Stereo Amplifier

The lowest distortion of any amplifier in its class and full power down to 20 Hz.

Features

20 watts per channel, min. RMS both channels driven at 8 ohms, 20 Hz to 20 kHz, with no more than 0,08% THD.

Oversize capacitors and high-output power transistors.

Power stability with a direct-coupled complementary differential amplifier.

Low-noise, direct coupled phono equalizer (78 dB).

Clik-stop tone controls.

Low boost loudnest control for realistic listening at low and medium volume.

Oversize Volume and Selector controls.

tape monitoring.

Specifications:

Power Amplifier Section

Power Output: 2 x 20 W, at 8Ω, 20 Hz - 20 kHz

Dynamic Power Output: 100 watts 4Ω

Total Harmonic Distortion: 0.08% at rated power into 8Ω

Intermodulation Distortion: 0.04% at rated power into 8Ω

Power Bandwidth: 10 Hz at 50 kHz

Damping Factor: 30 at 8Ω

Speaker impedance: 4Ω to 16Ω

Preamplifier Section

Input Sensitivity/Impedance:

Phono : 2.5 mV/50 kΩ

Tuner: 150 mV/10 kΩ

Tape , Aux: 150 mV/50 kΩ

Signal to Noise Ratio:

Phono : 72 dB (for 2,5 mV input); 78 dB (for 5,0 mV input); 84 dB (for 10 mV input)

Tuner, AUX, Tape : 100 dB for 150 mV input

Maximum Input Level Phono: 150 mV (at 1 kHz, 0,8% THD)

Frequency Response:

Phono: RIAA standard curve ±0,4 dB

AUX, Tape: 20 Hz to 20 kHz ±1 dB

Tone Control

Bass: ±7,5 dB at 100 Hz

Treble: ±7,5 dB at 10 kHz

Loudness Control: 9 dB at 100 Hz (at -30 dB Volume level)

General

Power Requirements: 120/240 V, 50/60 Hz

Power Consumption: 185 watts

Dimensions (W x H x D): 380 x 140 x297 mm (14-31/32" x 5-1/2" x 11-11/16")

Weight: 5,8 kg (12,7 lbs) Net

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