OCL 35V KENWOOD di sini saya dapatkan dari sebuah skema Power Amplifier buatan era 80-an buatan KENWOOD.

Power Amplifier ini buatan antara tahun 1981 hingga 1982.

Tampilan Power nampak elegan dengan bodi warna perak mengkilat yang merupakan Amplifier transistor istimewa pada era tersebut.

Yang menarik di sini adalah adanya sebuah rangkaian Tone Control yang menggunakan teknik feedback pada Power Amplifier ini.

Tone Control yang menjadi satu dalam rangkaian Power Amplifier ini sering kita temui pada Power Ampli era 80 hingga 90-an dan perlahan menghilang sejak era 2000 hingga saat ini.

Saya menduga Rangkaian Tone Control Feedback ini hanya cocok jika terpakai pada ampli dengan daya tidak begitu besar.

Dan ini ada benarnya karena Power Amplifier ini menurut servis manualnya hanya menghasilkan daya audio hingga 25 Watt pada beban 8 Ohm.

Penampakan isi dalam Power LIHAT SINI.

SKEMA EDIT OCL 35W KENWOOD

Berikut ini adalah skema Power Amplifier buatan KENWOOD ini setelah proses potong dan edit.

skema OCL 35V KENWOOD

Keterangan komponen:

  • Q2, Q4: 2SA992, Preamplifier
  • Q6: 2SC1845, Voltage Amplifier
  • Q8: 2SC945, Servo Driver
  • Q10: 2SA954, Driver Amplifier
  • Q12: 2SC2003, Driver Amplifier
  • Q14,Q16: 2SD613, Final Quasi Power Amplifier

R40 bertugas sebagai resistor GAIN dengan paralel bersama dengan resistor kapasitor tone controlnya.

Jika anda ingin kepekaan lebih tinggi, maka naikkan saya nilai resistor R40 ke angka yang lebih tinggi.

Datasheets Transistor Final: https://datasheetspdf.com/pdf-file/641023/SavantIC/2SD613/1

SEE ALSO

Skema Power KENWOOD lainnya ada Di SINI.

KENWOOD K9921 (LINK)

KENWOOD 200 WATT (LINK)

POWER KA6004 (LINK)

SKEMAYOHAN

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