QFX RETRO-39 Manual De Instrucciones página 7

Specifications:
Power Supply: AC (-) 90V -240V, DC 6V 4 batteries UM-2 C cell type
Speaker: 3" 8ohm
Output: 850 mW max
Cassette Section:
Tape: Standard Cassette Tape (lengths C-90 or less)
Tape Speed: 1-7/8 in/sec. (4.7 cm/sec)
Frequency Response: 200-6,300 Hz
Erasing System: DC Erase
Recording Bias System: DC Bias
Continuous improvements are always being made to our equipment,
both in quality and performance, therefore we reserve the right to alter
specifications without notice.