Functions:
TH804B Telephone Hybrid is the professional telephone call-in and
control equipment, which was designed for the on-air program on
radio and TV, and also suitable for teleconference or telephone
record.
With the technology of microprocessor chip and electric switch, it
can realize the function of separate control of each channel,
convenient operation of cut-in and cut-out, at most four channels
call-in at the same time and the multi-party call & call hold
between master and audience, or audience and audience.
TH804B has audio and control connector for main and backup studios.
Users can share a set of telephone hybrid at different time by
adding a control box and corresponding cables.
To achieve better telephone signals as well as avoiding howl round,
each channel is set a knob of anti-side tone.
The control box has talkback function. Connected with microphone
and speaker (master can allocate the output to mixer or headphone),
it becomes very convenient to talk internally.
Director-free mode is suitable for automatic cut-in and cut-out on
the condition of master alone. (The function needs to be tailored)
Specifications:
Audio Input(From Studio)10KBalanced0dBu6.35mm3-polejackplug
Audio Output(To Studio)20Balanced0dBu6.35mm3-polejackplug
(Mix)600Unbalanced-10dBV6.35mm3-polejackplug
(Headphone)166.35mm3-polejackplug
(Internal Conversation)8Unbalanced-10dBV6.35mm3-polejackplug
Frequency Response: 300Hz~3KHz
THD1%
S/N70dB (not include noise from telephone)
Anti-side tone45dB
Power Consumption: 10W
