Preamps
Model: SG-845
Product Type: Single-ended Class A tube amplifier
Rated power (W): 21W+21W (maximum 24W)
Frequency range (Hz): 20-25kHz
Signal-to-noise ratio (dB): 88dB
Input impedance (): 100K
Output impedance (): 4, 8
Power supply voltage (AC; V): AC 110~220V±10%
Power consumption (W): 340W
- Dimensions (mm): 485x280x260xmm
Net weight of the machine: 36kg (nearly 40kg with packaging)
Printed circuit board: 1.6mm thick double-sided epoxy board, thickened copper foil
Power transformer (two): 900 VA,
Output transformer (two): 96X60 specification,
Choke transformer (two): 8H/0.4A, 20H/0.2A
Drive transformer (II): Parameters and technology are confidential.
Tube: 845 series*2, 300B-98 series*2, 6SN7GT series*2
Chassis: All-aluminum alloy chassis (available in two colors: black and silver)
Tube 1: 845x 2; 300B-98×2; 6SN7GTx2;
Tube 2: 845-Tx 2; 300B-T×2; 6N8PAx2;
Model: SG-845-7