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GKC Part #441 Model #305 Communications Amplifier with 25 Number Memory Dialer

GKC Part #441 Model #305 Communications Amplifier with 25 Number Memory Dialer

Regular price
$409.00
Sale price
$409.00

This advanced communications amplifier is most versatile for both IFB and ENG field operations. It operates similar to the Model 300 but with more features. It can be used on a standard telephone line, a satellite phone or IFB feeds, from a remote truck. The unit is used with a low impedance headset or a lapel mic and earphone.

Features include two independent output channels, one for the headset output, the other for the IFB output with 1/4" and 1/8" jacks. This box also has a line input on the side to send audio on a telephone line from a mixer or tape recorder. The unit also features a open microphone switch in addition to the momentary push to talk switch. The dialer has a memory to hold 25 telephone numbers up to 30 digits long, low battery light with a low audible beep in three minute intervals through the ear phone, a defeatable ringer and a light to signal incoming calls, an external power jack for a regulated AC adaptor, a battery drawer for quick and easy battery changes and an additional RJ-11 input, for telephone. The XLR on this model is for all other audio input , wet or dry feeds & telephone.

A 25' telephone cord is included.

Specifications:

  • Balanced input 600 Ohms
  • Female XLR-3 connector wet or dry input
  • Separate RJ-11 jack for telephone line input
  • Total quiescent current 10mA
  • Microphone input 150 Ohms
  • Earphone output: two independent channels 8 Ohms impedance
  • Power output: 350mW
  • Powered by 9V Alkaline battery or regulated external AC adapter
  • Diode protected circuit polarity
  • Thermally protected transformer
  • Polarity neutral ringer on telephone line
  • Keyboard with 25 number memory
  • External quick access battery drawer
  • Adjustable gain control for line output to max +2dB
  • Battery clip
  • Battery life has been improved
  • Dialing can be done without pressing the push to talk button


Dialer Programming

DTMF ENCODER INFO
PK-3 12 E-1 V6.2 (NO/SOUNDER) / PK-3 12 E-2 V6.2 (W/SOUNDER)

 


DTMF BASIC OPERATION:

 

DTMF LAST NUMBER REDIAL (LNR) ✝

Press * + # (together) then release to send.

DTMF STORE AND SEND ✝

To Store: Press * + 0 (together) then 0 followed by the numbers to store.
Single beep confirms number stored.

To Send: Press 0 + # (together) then 0.

DTMF MEMORY DIALING (1 TO 9 LOCATIONS, 30 DIGITS EACH) 

 

To Store: Press * + 0 (together) then 1 (for memory 1 location) followed by the numbers to store.
Single beep confirms number stored.

To Store: Press * + 0 (together) then 2 (for memory 2 location) followed by the numbers to store.
Single beep confirms number stored.

To Send: Memory 1 location, press 0 + # (together) then 1.

To Send: Memory 2 location, press 0 + # (together) then 2.

 

 ✝ Power Off - Volatile Memory

 ✓ Power Off - Non-Volatile Memory