Nagra PORTABLE ANALOGUE AUDIO TAPE RECORDER Instruction Manual - page 54

FILTERS 

LFA 1 (low frequency 

Attenuation 

attenuation) 

 4 dB at 50 Hz 

LFA 2 

 8 dB at 50 Hz 

HP 1 (high-pass) 

10 dB at 50 Hz 

HP 2 

20 dB at 50 Hz 

HP 1 + LFA 1 (combination) 

14 dB at 50 Hz 

REFERENCE GENERATOR 

1.1 kHz sine wave signal with 10 kHz component 

0 VU level= -8 dB ±0.1 dB 

OUTPUTS 

Line output voltage on 600 Ohm for 0 dB on the modulometer 4.4 V 

Line output impedance   

at 30 Hz 

90 Ohm 

at 50 Hz 

42 Ohm 

at   1 kHz  18 Ohm 

at 15 kHz  24 Ohm 

Maximum output voltage on 600 Ohm, 

for 1% distortion 

at   1 kHz 

10,5 V 

at   5 kHz 

10,5 V 

at  30 Hz          7,0 V 

Headphones output voltage on 50 Ohm, adjustable from 20 to 500 mV 

Output voltage at MIXER connector, on 100 k Ohm, for 0 dB on the modulometer 560 mV 

Output voltage of the pilot signal 

with QSLI synchronizer 

   1    V 

without synchronizer 

350 mV 

BUILT-IN LOUDSPEAKER 

Power output of the amplifier 

1 W 

OPERATING CONDITIONS 

Temperature 

with manganese batteries  

- 4 to + 160  degrees F 

-20 to +  72  degrees C 

with external power 

-67 to + 160 degrees F 

-55 to +   71 degrees C 

The recorder operates correctly in any position.