SH-GE90

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Technics SH-GE90 Digital Sound

Processor

sh-ge90

Made in Japan379 $/Euro -in 1994 –Year of apparition

Technical data

Frequency response :
15 Hz-20 kHz, -1 dB

Maximum output voltage:
6 V

Nominal output voltage:
1 V

Distorsion (with full range input signal):
% (1kHz)

Entrance sensitivity:
1 V

Noise distance (with full range input signal):
86 dB

Maximum input voltage:
2.3 V (1 kHz)

Feed impedance:
47 kOhm

Reinforcement:
0+/1 dB

Volume level controller:
+-12 dB

Parametric 3-Element-Equalizer

Center frequencies

LOW:
31.5 Hz, 40 Hz, 50 Hz, 63 Hz, 80 Hz, 100 Hz, 125 Hz, 160 Hz, 220 Hz

HIGH 1, 2:
315 Hz, 450 Hz, 630 Hz, 800 Hz, 1 kHz, kHz, 1.6 kHz, 2.2 kHz, kHz,
4.5 kHz, 6.3 kHz, 8 kHz, 10 kHz, 12.5 kHz, 16 kHz

“Q” – automatic controllers

Narrowly:
1,8

Broadly:
0,7

Fixed OD modes of operation:
HEAVY, CLEAR, SOFT, VOCAL, HEADPHONE STEREO, CAR STEREO

Sound field processor (6 modes of operation):
RESOUND, TO LIVE ONE, DISCO, CHURCH, STAGE, THEATRE

“Karaoke” – section

Pitch regulation:
-300 ~ +300 cent

Mikofon 1, microphone 2:
1.4 mV/4,7 kOhm

Microphone echo time:
sec.

General data

Power consumption: 17 W
Current supply: 230-240 V, 50/60 Hz
Dimensions (B x H x T) 43 x 9.2 x 29 cm
Weight: 3 kg

Impression:

First, it is a visual indication of musical spectrum, and there are several modes of operation, such as normal, inverted, full or part of the spectrum and off.

Second, it is an active parametric equalizer, though it is not as complex as professional units (which do cost anything from 5 to 30 times its price).

Third, it can be used as a karaoke unit

Fourth, it can be used as a spatializer, or simply put, it can simulate various listening environments, such as cinema, church, hall, rock concert, etc.
On top of it all, it’s completely digitally controlled, which means great precision, easy repeatability, excellent longevity through a complete lack of mechanics, and above all, memory.

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technics SH-GE90 user Manual

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