MFJ-434B Deluxe Voice Keyer

Save Your Voice with the MFJ Contest Voice Keyer!

• Use 8-pin modular or 8-pin round microphone plug
• Let this microprocessor controlled MFJ Contest Voice Keyer™ call CQ, send your call and do contest exchanges for you in your own natural voice!
• Store frequently used phrases like “CQ Contest this is AA5MT”, “You’re 59” . . . “, QTH is Mississippi” and more! Contest by pressing a few buttons and save your voice.
• You can record and play back five natural sounding messages in a total of 75 seconds. EEPROM technology keeps messages stored for up to 100 years — no battery backup needed.
• You can repeat messages continuously and vary the repeat delay from 3 to 500 seconds. Makes a great voice beacon and calling CQ is so easy. A receive audio jack lets you record and play back off-the-air signals — great help if you didn’t get it right the first time! No more “Please repeat”.
• A playing message can be halted by pressing the Stop Button, your PTT mic button or by your VOX PTT line. A closure to ground via remote control or computer also halts messages.
• Has jack for remote or computer control (using CT, NA, TR or other program and its interface). Lets you select, play and cancel messages.
• The MFJ-434B is transparent to your microphone — your mic’s audio characteristics do not change when your MFJ-434B is installed. Dual controls make it easy to tailor audio level to match your voice.
• All audio lines are RF filtered to eliminate RFI, audio feedback and distortion. An audio isolation transformer totally eliminates hum and distortion caused by ground loops.
• It’s easy to use — just plug in your 8 pin microphone cable and plug the MFJ-434B shielded cable into your transceiver’s mic connector. Internal jumpers let you customize it to Kenwood, Icom, Yaesu, Alinco or Radio Shack rigs. Use your station or built-in microphone for recording.
• Built-in speaker-amplifier lets you monitor stored messages. 3.5 mm speaker/headphone jack. SMT technology.
• Use 9 Volt battery, 9-15 VDC or 110 VAC with optional MFJ-1312D.
• Measures a compact 6 ½”W x 2 ½”H x 6 ½”D
• MFJ-73 – Remote Control Head with cable for MFJ-434B lets you set the MFJ-434B out of the way.