FMUser FUTH804B 2010, Operating Manual, Page: 7 / 16

Introduction
TH804B Telephone hybrid coupler is the professional telephone call-in and control
equipment, which was designed for live broadcasting program on all kinds of
radios
and
television programs in living, and also suitable for teleconference or telephone record.
Features:
z Four Channels Call-in, Multiparty Call
z Selection of Audio & Control Connection for Two Rooms
z
Switch of Anti-side tone for each line
z
Auto-direct Model
z Display of Power Saving on Panel
z Dimension: 19-inch, 1U
Specifications:
● Audio Input:: (From Studio) 10k Ω Balanced 0 dBu 6.35mm 3-pin plug
●
Audio Output:: (To Studio) 20 Ω Balanced 0 dBu 6.35mm 3-pin plug
(Hybrid Output) 600 Ω Unbalanced -10 dBu 6.35mm 3-pin plug
(Headphone) 16 Ω 6.35mm 3-pin plug
(Intercom Output) 8 Ω Unbalanced -10 dBu 6.35mm 3-pin plug
●
Frequency Response: 300Hz~3KHz
● THD: ≤1%
●
S/N:
≥70dB (
Not include noise from telephone)
●
Anti-side tone:
≥45dB
●
Power Consumption: 10W