ONE
Telos
ONE
Telos ONE Digital Hybrid Telephone Interface
This compact, modem-case device presents superb digital telephone hybrid performance for broadcast, teleconferencing, and communications applications. Proven Telos processing technologies perform all hybrid functions, gain control, and filtering completely in the digital domain. The use of intelligent software, rather than complex hardware, makes the Telos ONE very affordable while ensuring consistently superior performance regardless of telephone line characteristics.
Fast, precise automatic digital nulling allows smooth, natural, simultaneous conversation without speakerphone up-cutting effect, voice distortion, or level-matching problems.
Fast, precise automatic digital nulling allows smooth, natural, simultaneous conversation without speakerphone up-cutting effect, voice distortion, or level-matching problems.
Product Weight: 3 lbs
Dimensions: 9.5"W x 7.25"D x 1.5"H
Technical Tools
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Manufacturer Specs
System
True digital
Second generation Texas Instruments TMS320C25 processor.
8kHz sampling rate
Internal digital input and output gain processing, filtering
Trans-hybrid Loss
>40dB with pink noise or voice as test input
All dynamic enhancement processing is switched off.
With the override and output expander functions switched in, trans-hybrid loss is enhanced to >50dB.
Send Level to Phone Line
-10dBm average level
Maintained by internal digital AGC
Frequency Response (caller to output): 200 - 3400Hz, ±1dB
Noise and Distortion (caller to output)
Distortion: Typical 0.4% THD+N, measured @ 1kHz at any level from -48dBm to -8dBm
Signal-to-Noise: >72dB referenced to 0dBm phone level
Send Audio Input
XLR female connector. Active balanced
Accommodates -24dBm to + 12dBm levels in LINE mode; -68dBm to -35dBm in MIC mode.
Front panel screwdriver level adjustment
Caller Audio Output
XLR male connector. Active differential.
Output levels to +14dBm depending upon caller telephone line level and adjustment of front panel level adjust.
Drives 600 Ω.
Aux/Mix Output
XLR male connector. Active differential
In AUX mode, this output is an isolated second output.
In MIX mode, this is a combined send and caller output.
Input to Mix output: Unity gain. <0.04 % THD; + 12dBm clip point.
Power Supply
External plug transformer. 9V DC, 500ma.
Available for 117V/60Hz or 230V/50Hz AC.
True digital
Second generation Texas Instruments TMS320C25 processor.
8kHz sampling rate
Internal digital input and output gain processing, filtering
Trans-hybrid Loss
>40dB with pink noise or voice as test input
All dynamic enhancement processing is switched off.
With the override and output expander functions switched in, trans-hybrid loss is enhanced to >50dB.
Send Level to Phone Line
-10dBm average level
Maintained by internal digital AGC
Frequency Response (caller to output): 200 - 3400Hz, ±1dB
Noise and Distortion (caller to output)
Distortion: Typical 0.4% THD+N, measured @ 1kHz at any level from -48dBm to -8dBm
Signal-to-Noise: >72dB referenced to 0dBm phone level
Send Audio Input
XLR female connector. Active balanced
Accommodates -24dBm to + 12dBm levels in LINE mode; -68dBm to -35dBm in MIC mode.
Front panel screwdriver level adjustment
Caller Audio Output
XLR male connector. Active differential.
Output levels to +14dBm depending upon caller telephone line level and adjustment of front panel level adjust.
Drives 600 Ω.
Aux/Mix Output
XLR male connector. Active differential
In AUX mode, this output is an isolated second output.
In MIX mode, this is a combined send and caller output.
Input to Mix output: Unity gain. <0.04 % THD; + 12dBm clip point.
Power Supply
External plug transformer. 9V DC, 500ma.
Available for 117V/60Hz or 230V/50Hz AC.