If the information of the seller is correct, then the TS-711 uses the VS-1
chip. Here's what I found. See below.
73, Ken -N5SWR
iB::Topic::Kenwood VS-1 Voice Synthesizer
http://www.qrz.com/ib-bin/ikonboard.cgi?act=ST&f=1&t=127928
...
This Kenwood VS-1 Voice Synthesizer is an optional accessory that mounts
inside of the Kenwood TS-440/940/711/811 transceivers, and various Kenwood
VHF/UHF
mobile transceivers, and also receivers such as the model R-5000 receiver.
$55 plus postage. Please email direct: larryj at teleport dott com
...
-----Original Message-----
From: For blind ham radio operators [mailto:[log in to unmask]]
On Behalf Of Bob - KA5ETA
Sent: Sunday, December 03, 2006 7:26 PM
To: [log in to unmask]
Subject: Kenwood information needed
Could someone tell me the model number of the speech board for the =
ts711a? I have found one but it does not have the speech in it. Also =
the model number of the tone board for that same radio. =20
Bob ka5eta
echolink node 28599
repeater 442.150 in Oklahoma City