Ortofon Hi-Fi ST-70 MC Transformer User manual

Type
User manual
ST-70
Ortofon Moving Coil Step Up Transformer
INSTRUCTION MANUAL
SPECIFICATIONS
Technical data Configuration A:
Recommended cartridge impedance: 5-50 Ω
Gain at 1 kHz: 24 dB
Frequency response: 10 Hz - 100 kHz ± 1 dB
Recommended load: 47 kΩ // 200 pF
Technical data Configuration B:
Recommended cartridge impedance: < 10 Ω
Gain at 1 kHz: 30 dB
Frequency response: 10 Hz - 80 kHz ± 1 dB
Recommended load: 47 kΩ // 200 pF
Trafo output loading: 47 kΩ // 200 pF
Dimensions: 58 x 135 x 150 mm
Weight: 1.233 kg
CAUTION
Keep the unit away from magnetic sources.
Protect the unit from high temperatures and moisture.
Keep the unit out of the reach of children.
Do not modify or repair the unit by yourself.
Keep the unit clean and dry and avoid contact with
liquids.
Using detergent or solvent may cause surface
discoloration and may result in malfunction.
MAINTENANCE
Dust the unit surface with a clean, dry cloth.
Keep the RCA connectors clean to obtain the best
performance. Using alcohol as a cleaning solvent is
acceptable.
32
EXPLANATION
1
Output terminal for Right channel RCA plug.
2
Input terminal for Right channel RCA plug.
3
Grand earth terminal.
4
Output terminal for Left channel RCA plug.
5
Input terminal for Left channel RCA plug.
54
1
2 3 4 5
CHANGING CONFIGURATION
Configuration B is the factory set configuration. For
changing the configuration please follow the instruction
below:
1
Remove the 4 screws, 2 on each side
(shown by the arrows below)
2
Remove the lid
3
Choose jumpers for gain/impedance options
Configuration A
ST-70
Gain 24 dB
Cartridge 5-50 Ohm
Configuration B
Gain 30 dB
Cartridge <10 Ohm
1 3
Configuration B
Configuration A
2
Lift the lid gently upwards
(two jumpers)
(one jumper)
PRE AMP., EQULIZER AMP.
PHONO INPUT
6NX·TSV–1010 6NX·TSV–1010R
CONNECTION
76
03-2019
|
5-800156-12
Get more information
on our website.
Ortofon A/S
|
Stavangervej 9
|
DK-4900 Nakskov
|
Denmark
support@ortofon.com | www.ortofon.com
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Ortofon Hi-Fi ST-70 MC Transformer User manual

Type
User manual

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