GOLDEN MIDDLE

Designing and manufacturing of High Fidelity audio systems

Our company research and develop many types of tube amplifiers to make them accessible to everyone who likes to listen good music. All parts of our amplifiers are of exeptionally high-quality. All transformers and chokers in our products we make ourselves .

 All types of our tube amplifiers have a limited guarantee period 1 year and delivered with the complete set of spare tested tubes

Tube amplifiers
NEW
EXPRESSIVE MK2
Technical Specifications :
The single-ended amplifier (SE)
Output power raiting - 30W (8 Ohm)
Used tubes (one channel) - 6J5+6F6+GM70+2*5U4G
Remote control
The integral amp (quantity of inputs - 3 )
The amplifier is equipped with systems SOFT-START and STAND-BY
THD=0.8 % (-3db) , Uin=1 V
Frequency response (-3db) -10-35000 Hz

EXPRESSIVE
Technical Specifications :
The single-ended amplifier (SE)
Output power raiting - 30W (8 Ohm)
Used tubes (one channel) - 6J5+6F6+GM70+2*5U4G
The copper case
The amplifier is equipped with systems SOFT-START and STAND-BY
THD=0.8 % (-3db) , Uin=1 V
Frequency response (-3db) -10-35000 Hz

THE BLUES OF CU-SERIES
Technical Specifications :
The single-ended amplifier (SE)
Output power raiting - 10W (8 Ohm)
Used tubes (one channel) - 2*4P1L+Interstage+300B+2*6D22S
The copper case
The amplifier is equipped with systems SOFT-START and STAND-BY
External power unit
THD=1.8 % (-3db) , Uin=1 V
Frequency response (-3db) -10-35000 Hz

Amplifiers of a series TWIN 2000
BLUES DHT
Technical Specifications :
The single-ended amplifier (SE)
Output power raiting - 8 W (8 Ohm)
Used tubes (one channel) - 2*4P1L+300B+5Y4G
THD=2 % (-3db), Uin=1 V
Frequency response (-3db) - 16-30000 Hz

BLUES
Technical Specifications :
The single-ended amplifier (SE)
Output power raiting- 8W (8 Ohm)
Used tubes (one channel) - 6N8S+300B+5Y4G
THD=1.5 % (-3db), Uin=1 V
Frequency response (-3db) - 16-27000 Hz

TWIN
Technical Specifications :
The single-ended amplifier (SE)
Output power raiting - 7W (8 Ohm)
Used tubes (one channel) - 6N7S+2*6S4S
THD=0.6 % (-3db), Uin=1.7 V
Frequency response (-3db) - 15-28000 Hz

PRIME
Technical Specifications :
Push-Pull amlifier (PP)
Output power raiting - 10W (8 Ohm)
Used tubes (one channel) - 6N9S+2*6S4S
THD=1% (-3db), Uin=1.2 V
Frequency response (-3db) - 16-22000 Hz

PIANO
Technical Specifications :
Push-Pull amlifier (PP)
Output power raiting - 24W (8 Ohm)
Used tubes (one channel) - 6N8C+2*6L6 (Tungsram,Svetlana)
THD=1.8 % (20W), Uin=1 V
Frequency response (-3db) - 15-30000 Hz
PIANO GOLD
Technical Specifications :
Push-Pull amlifier (PP) Class À
Output power raiting- 14W (8 Ohm)
Used tubes (one channel) - 6N6P+Interstage+2*5881
THD=1.2 % (-3db), Uin=0.8 V
Frequency response (-3db) - 15-25000 Hz


SOLO
Technical Specifications :
Push-Pull amlifier (PP)
Output power raiting - 10W (8 Ohm)
Used tubes (one channel) - ECC88+2*EL84/6BQ5
THD=2 % (10W), Uin=1 V
Frequency response (-3db) - 20-30000 Hz

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