For cass. tape |
Function / monó / |
|
recording/play-back+erase |
Inductance ( 10 kHz, 50 mV ), kombi side |
mH |
165± 20% |
Inductance ( 10 kHz, 50 mV ), erase side |
mH |
1,6±20% |
Direct-current resistance, kombi side |
Ω |
320±15% |
Direct-current resistance, erase side |
Ω |
23,5±15% |
Play-back with BASF IEC 94/2 reference tape
|
Measuring frequency |
Hz |
10 k, 315 |
Sensitivity ( 315 Hz ) |
µV |
450±3,5 dB |
Frequency response (10 kHz/315 Hz) |
dB |
6±3 |
Measuring the recording and play-back function with BASF IEC (R723 DG) tape
|
Bias frequency |
kHz |
32 |
Bias current |
|
induced from the erasecoil |
Erase current |
mA |
19 |
Recording current |
µA |
60 |
Sensitivity ( 315 Hz ) |
µV |
475±3,0 dB |
Totally harmonic distortion ( 1 kHz ) |
% |
max.:11 |
Rec. and play-back freq. resp. (10 kHz/315 Hz ) |
dB |
-2±4 |
Erasedamping ( 1 kHz ) |
dB |
min.:60 |
Shielding ( 125 Hz, 70 A/m ) |
mV |
max.:5 |
Resistance between magn. core and case ( 5 V DC ) |
kΩ |
max.:50 |
Insulation resistance ( 250 V DC ) |
MΩ |
min.:1 |
Tape speed |
cm/s |
4.75 |
Pole material |
|
Recovac BS |
