Technical specifi cations – Arcam digital radio tuner DT81 User Manual
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DT81
10
Technical specifi cations
DT81 digital radio tuner
Analogue audio ouput
Level 
2.4V RMS at 0dB FS
Output impedance
<100
Ω
Minimum load
600
Ω
Bandwidth (±0.5dB)
20Hz—20kHz
Digital audio ouput
Format 
SPDIF coaxial & optical (TOSLINK)
Sample rate
48kHz
Output impedance (coaxial)
75
Ω unbalanced
Radio Data Interface (RDI) ouput
Format Optical 
(TOSLINK)
Modulation Bi-phase
(IEC-958)
RF input
Tuning range 
174—240MHz (Band III)
1452—1492MHz (L-band)
Sensitivity better
than
–91dBm, typically –95dBm
Decoding
Audio data rate (maximum) 
256kbits/s MPEG layer II, protection level 3
Number of stored services (maximum)
128
Aerial
Impedance 50
Ω nominal in operational frequency range
Connector BNC
General
Supply voltage 
115V or 230V AC
Power consumption
30VA operational, 5VA standby
Size W x D x H
435 x 320 x 83mm
Weight net
4.6kg
Weight packed
6.1kg
Supplied accessories
Mains lead
CR-389 remote control handset and 2 x AAA batteries
Wire dipole aerial (Band III)
E&OE
Continual improvement policy
Arcam has a policy of continual improvement for its products. 
This means that designs and specifi cations are subject to 
change without notice.
NOTE: All specifi cation values are typical unless otherwise 
stated.