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nik gaffney 2022-03-11 01:38:12 +01:00
parent 29726bea02
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12
Stellavox SP8 Service Manual.org
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@ -54,8 +54,8 @@ IMPORTANT : please always quote equipment type and serial number when requesting
|--------------------------------------------+---------------------------------------| |--------------------------------------------+---------------------------------------|
| *Tape speeds* | | | *Tape speeds* | |
| Minimum battery voltage supply for | 76.2 cm/s (30 ips) = 24 V ext. | | Minimum battery voltage supply for | 76.2 cm/s (30 ips) = 24 V ext. |
| | 38.1 cm/s (15 ips) <15Vv | | | 38.1 cm/s (15 ips) < 15 V |
| | 19.05 cm/s (7.5 ips) < 13 | | | 19.05 cm/s (7.5 ips) < 13 V |
| | 9.5 cm/s (3.75 ips) < 13 V | | | 9.5 cm/s (3.75 ips) < 13 V |
| Tape slip for 13 cm spool | < 0.1 % | | Tape slip for 13 cm spool | < 0.1 % |
|--------------------------------------------+---------------------------------------| |--------------------------------------------+---------------------------------------|
@ -84,19 +84,19 @@ IMPORTANT : please always quote equipment type and serial number when requesting
|--------------------------------------------+---------------------------------------| |--------------------------------------------+---------------------------------------|
| *Record channels with balanced micro-input:* | | | *Record channels with balanced micro-input:* | |
| Frequency response | 30 - 20,000 Hz, ± 1 dB | | Frequency response | 30 - 20,000 Hz ± 1 dB |
| max. input level | 15 mv | | max. input level | 15 mv |
| max. sensitivity for 0 dB indicator | 0.2 mv | | max. sensitivity for 0 dB indicator | 0.2 mv |
| Noise (weighed) | < -124 dBm | | Noise (weighed) | < -124 dBm |
|--------------------------------------------+---------------------------------------| |--------------------------------------------+---------------------------------------|
| *Adjustable line inputs* | | | *Adjustable line inputs* | |
| Frequency response max. | 30 - 20,000 Hz, ± 2 dB | | Frequency response max. | 30 - 20,000 Hz ± 2 dB |
| input sensitivity | 9V | | input sensitivity | 9V |
| Sensitivity for 0 dB-indicator | 30 mV | | Sensitivity for 0 dB-indicator | 30 mV |
| Input impedance | 10 kOhm | | Input impedance | 10 kOhm |
|--------------------------------------------+---------------------------------------| |--------------------------------------------+---------------------------------------|
| *Unbalanced line output* | | | *Unbalanced line output* | |
| Frequency response | 40 - 20,000 Hz, ± 1 dB | | Frequency response | 40 - 20,000 Hz ± 1 dB |
| Output level | 1.55 V (max. 3.8 V) | | Output level | 1.55 V (max. 3.8 V) |
| Impedance (max. Load) | 200 Ohm | | Impedance (max. Load) | 200 Ohm |
|--------------------------------------------+---------------------------------------| |--------------------------------------------+---------------------------------------|
@ -417,7 +417,7 @@ Should the brass leaf spring on the take-up assembly be changed, oil the surface
The driving force of the STELLAVOX-magnetic tape recorder SP 8 is a Stellavox servo-regulated direct current motor. The use of Samarium-cobalt for the stator as well as the special patented flat rotor are responsible for the high efficieny of the motor. The driving force of the STELLAVOX-magnetic tape recorder SP 8 is a Stellavox servo-regulated direct current motor. The use of Samarium-cobalt for the stator as well as the special patented flat rotor are responsible for the high efficieny of the motor.
The disc Shaped armature carries an axial commutator and a tacho-dise on its perimeter produces 400 bright-dark sectors, for the opto-electronic controlrange. The disc Shaped armature carries an axial commutator and a tacho-dise on its perimeter produces 400 bright-dark sectors, for the opto-electronic control range.
The current is supplied over 6 brushes. The current is supplied over 6 brushes.