Pioneer Spec-4

Rack mount 150W stereo power-amplifier

Pioneer Spec-4

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.



Downloads

instruction manual (en)


Login or register to download files



Please note that the PDF files are copyright the HiFi Engine and are provided under strict licence - reproduction for financial gain is strictly prohibited.

The HiFi Engine website is not affiliated with or sponsored by Pioneer. If you wish to buy a Spec-4 please contact the company via their website or visit an authorised retailer. Pioneer is a trademark of that company.