Magnum 257HP *DISCONTINUED

GENERAL:
Magnum 257HP is the High Power version of former Magnum 257.

FEATURES, FUNCTIONS AND SPECIFICATIONS:
In original mode:
· Microprocessor Controlled Transceiver
· 28.000 to 29.699 MHz Frequency Range
· Max 80 Watts RF Output Power
· Uses RFX75 Module as final stage!
· Using ERF2030 and ERF7530 as final
· Variable Power - In All Modes
· FM / USB / LSB / AM
· 1 kHz / 10 kHz / 100 kHz Steps
· 5 Digit Frequency Display
· ECM Microphone with Up and Down Frequency Controls
· 5 Memory Channels - Saves Both Frequency and Mode
· Back Lit LCD Display and Front Panel Controls
· Digital S/RF Meter on LCD
· RF Gain and Microphone Gain Controls
· +/- 1 kHz Clarifier
· Noise Blanker and Automatic Noise Limiter
· Frequency Scan
· Last Channel Recall - Returns to Last Operated Frequency and Mode
· Split Frequency Offset for Repeater Use
· Receive Audio Tone Control
· MARS / CAP Compatible (Permits Required)
· 1 Year Warranty

PLEASE NOTE:
The factory will set the AM/FM carrier from 1-15 Watts. Can be regulated by using the Power Control on the front panel.
Do not readjust FM carrier to exeed 20 Watts.
Using correct measuring equipment will read 80 Watts PEP on AM and 65 - 70 Watts PEP SSB.
If you want to loosen the SSB ALC do not exeed 7.7 Amps using 2-tone test.

Please refer to the owners manual addendum. For SSB transmit the RF Power Control and Mike Gain Control must be set full CW (clock wise). To lower the RF Output power on SSB reduce the mike gain control to desired level.

PACKING INCLUDES:
Transceiver Magnum 257HP, Microphone, Mounting Bracket with hardware, DC Power Cord with inline Fuse, Microphone Hanger, User Manual.

MICROPHONE:
Microphone is 1KOhm Electret Type with 6-Pin plug.
President DNC518 = Dynamic Microphone (can be used, but up/down will not function)
Telecom DM6190P6 = Dynamic Microphone (can be used, but up/down will not function)

WIRING OF MIC CABLE:
Pin 1: Microphone Audio
Pin 2: Receive
Pin 3: Transmit
Pin 4: Up/Down Freq
Pin 5: Ground
Pin 6: +13.8VDC

REPLACEMENT MICROPHONES:
Avera p/n MAGN 0001, Original Microphone for Magnum 257, in 2010 no longer available, and new model comes with radio.
Avera p/n MAGN 00031 = Mike 6-Pin Magnum Wiring, Straight Connector, Up/Down, No Brand **

AVAILABLE ACCESSORIES:
MAGN 0001, Original Microphone for Magnum 257
DIN 5090, DIN Mounting Kit to fit Magnum 257 in DIN Radio Hole

AVAILABLE SPARE PARTS:
POWERCRD 1007 = DC Power Cord 257HP version
PCB 0006 = Front PCB
A30C-5765 = Speaker
Bracket M257 = Mounting Bracket
Front 0008 = Front with Plastig Insert
POTM 0015 = POTMETER Double (Push Type)
KIA6058-F = IC, SMD, Case Outline SO-8
KNOB 0005 = KNOB, Function: RF Gain
KNOB 0009 = KNOB Plastic, 6 Function Knobs, Function: 1 Step/NB, 2 Call, 3 Scan/Shift, 4 LCR/RPT, 5 Mode/T-Low, 6 M-Load/M-Save
KNOB 0008 = KNOB, Function: AF-Gain and Clarifier
KNOB 0007 = KNOB, Function: Mic-Gain and Power
KNOB 0006 = KNOB, Function: Frequency Selector
POTM 0016 = AF Gain, On/Off
POTM 0043 = POTMETER, Mic-Gain / RF-Gain
LAMP 0003 = Display Lighting
LAMP 0004 = Blue Display Lightning
SWITCH 0008 = SWITCH, 6-Postion, STX/STX+RB/SWR/CAL/MTX+RB/MTX
CHSEL 0010 = CHANNEL SELECTOR
LAMP 0003 = Display Lighting
LAMP 0004 = Blue Display Lightning
SWITCH 0008 = SWITCH, 6-Postion, STX/STX+RB/SWR/CAL/MTX+RB/MTX
POTM 0058 = POTMETER, Squelch, Power
DISPLAY 0016 = LENS for Display, Printed is Text MAGNUM 257
SWITCH 0011 = SWITCH, Push Type, Function: As under the 6-Function Knobs


CONFIGURATION:
Original configuration: 28.000 to 29.699 MHz
After modification: 25.185 - 29.695 MHz

LINK(S) TO VIDEO OF THIS PRODUCT:
www.youtube.com/watch?v=ChAzLQ7JYSQ = Magnum 257HP Part 1 by David Ogg

www.youtube.com/watch?v=Ik_zKzKOBys = Magnum 257HP Part 2 by David Ogg

www.youtube.com/watch?v=WcvMfYA2EPs = Magnum 257HP Part 3 by David Ogg

www.youtube.com/watch?v=fmBZPe7ZodU = Magnum 257HP by CB Radio

ADDITIONAL SEARCH OPTIONS:
MAGNUM257HP, Magnum 257HP, Magnum-257HP, Magnum-257-HP

Visit www.cbtricks.com , this website is famous for technical information on 10 meter and 11 meter radio’s.
www.cbtricks.com/radios/rflimited/magnum_257hp/index.htm

This product was added to our website on Wednesday 18 july 2012.

For quantity pricing please contact our sales desk.

BARCODE:
719962005321

Although the information and specifications at this internet site are presented in good faith and believed to be correct, Avera B.V. makes no representations or warranties as to the completeness or accuracy of the information.

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