PROFESSIONAL TUBE AMPLIFIERS

"Golden Middle" reserves the right to make changes in products
not affecting the basic technical characteristics.


All tube amplifiers have a limited warranty according technical specification
during 12 months from the date of receiving.






GM150

(1 monoblock)
TECHNICAL SPECIFICATIONS :

Output power raiting : 2 150 W
Frequency response : (-3 db) 18 Hz - 27 KHz
THD = 0.8 % (-3 db),
Input signal level = 0,775 V (Jack)
Tubes: GU50 4 (one channel)

"GM150" circuit diagramtube amp circuit diagram

GM250

(1 monoblock)
TECHNICAL SPECIFICATIONS :

Output power raiting : 2 250 W
Frequency response : (-3 db) 18 Hz - 25 KHz
THD = 0.9 % (-3 db,
Input signal level = 0,775 V (Jack, XLR)
Balanced input
Tubes: GU50 6 (one channel)


GM300

(2 monoblocks)
TECHNICAL SPECIFICATIONS (one channel):

Output power raiting : 300 W
Frequency response : (-3 db) 20 Hz - 25 KHz
THD = 0.9 % (-3 db),
Input signal level = 0,775 V (Jack, XLR)
Balanced input
Tubes: GU50 8 (one channel)


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