Technical Details
Brand: Geloso
Model:G-257
Category:Vintage
Application:Consumer
Electronics:Tube
Equalization:IEC
Country of Manufacture:Italy
Release dates:1961 - 1965
Tracks:1/2 Rec/PB
Speeds: 1 7/8
Max Reel Size("): 7"
Number of heads: 2
Dimension: 10 x 26 x 17 cm
Head Composition: Permalloy
Head Configuration: Mono - Half-Track
Voltage(s): 110-120v, 220-240v, Multi
Frequency Response:80Hz - 6.5kHz - 3 dB
Wow and Flutter:0.2%
Signal-to-Noise Ratio:better than 50db
Sound quality rating:5 / 10
Long-term reliability rating: 6/ 10
Additional Details
Description
This was a single speed recorder – 4.75 cm/s (1 7/8 ips) with half track mono heads.
The grey band at the front which looks like a radio tuner is actually a tape position indicator, a needle showing the length of the tape used and at grey knob at left with which you can reset the scale to zero. EL95 and 12AX7 white plastic chassis with front and rear sides are punched at the loudspeaker at the air intake of the motor; The bottom, on which the chassis is attached, consists of a dark gray plastic panel.
Additional Info
|
Model
|
G257 |
|
Year
|
1962 |
|
Track system
|
half-track mono |
|
Heads
|
combination record/play plus erase head in common unit |
|
Motors
|
one |
|
Maximum reel size
|
3″ |
|
Tape speeds
|
1 7/8 ips |
|
Frequency response (all
 3 dB) |
80Hz – 6.5kHz |
|
Wow & flutter
|
0.2% |
|
Signal to noise ratio
|
better than 50db |
|
Valve complement
|
12AX7 (ECC83) 2 stage amplifier; EL95 (6AQ5) output/h.f oscillator; DM70 magic eye & B250/C75 metal bridge rectifier |
|
Audio output power
|
2 watts |
|
Speaker(s)
|
small internal elliptical speaker |
|
Dimensions
|
10¼ x 6½ x 4″ (260 x 170 x 100 mm) |
|
Weight
|
6.4 lbs (2.9 kg) |