PIONEER SPEC 4 Stereo Power Amplifier Vintage 1977 Hi End 300Watts RMS Good Look

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PIONEER SPEC 4 Stereo Power Amplifier Vintage 1977 Hi End 300Watts RMS Good Look

Working Perfect


PIONEER Spec-4

Stereo Power Amplifier (1977-80)


Description

The Spec-4 employs DC construction which excludes capacitors from the NFB circuits and uses a dual transistor differential amplifier with a current mirror circuit in the 1st stage.


This provides a stable operation and also high gain over a wide frequency range.


The pre-driver stage is a class A circuit with a regulated current circuit for the load.


This makes for high gain amplification with superior linearity.


Furthermore, there is an overdrive limiter and power limiter circuit which is designed to protect the power transistors and make for added reliability.


Specifications

Power output: 150 watts per channel into 8Ω (stereo)


Frequency response: 5Hz to 100kHz


Total harmonic distortion: 0.01%


Damping factor: 100


Input sensitivity: 1V


Signal to noise ratio: 115dB


Speaker load impedance: 4Ω to 16Ω


Semiconductors: 2 x IC, 61 x transistors, 62 x diodes


Dimensions: 480 x 187 x 445mm


Weight: 24.5kg

PIONEER SPEC 4 Stereo Power Amplifier Vintage 1977 Hi End 300Watts RMS Good Look The Spec-4 employs DC construction which excludes capacitors from the NFB circuits and uses a dual transistor differential amplifier with a current mirror circuit in the 1st stage. This provides a stable operation and also high gain over a wide frequency range. The pre-driver stage is a class A circuit with a regulated current circuit for the load. This makes for high gain amplification with superior linearity. Furthermore, there is an overdrive limiter and power limiter circuit which is designed to protect the power transistors and make for added reliability. Power output: 150 watts per channel into 8Ω (stereo) Frequency response: 5Hz to 100kHz Speaker load impedance: 4Ω to 16Ω Semiconductors: 2 x IC, 61 x tr
Número de canales 2
Garantía del fabricante Sin garantía
Tipo Amplificador de alta fidelidad
Potencia RMS 2 X 150 Watts RMS
EAN No aplicable
Marca Pioneer
Entradas de audio Estéreo RCA
Año de fabricación 1977
País/Región de fabricación Japón
Cantidad de unidades 1
Tipo de unidad Unidad
Salidas de audio Estéreo RCA
Modelo SPEC 4
Potencia 2 X 150 Watts RMS