Model　GM70PA-G / GM70PA-C
Type　Class A operation Vacuum tube stereo power amplifier
Output　 ○ Normal dual mono
30W + 30W (4Ω, THD5%)
20W + 20W (8Ω, THD5%)
○ Bridge
60W (8Ω, THD5%) 40W (4Ω, THD5%)
Frequency response　20Hz-30kHz -2dB/10W
THD　 ○ Normal dual mono
0.7%/10W 0.2%/1W
○ Bridge
0.5%/10W 0.1%/1W No
NFB
S/N ratio　90dB 　/1W (20Hz-20kHz)
Crosstalk　40dB/1W (20Hz-20kHz)
Input sensitivity　 ○ Normal dual mono
1V/30W (4Ω) 1V/20W (8Ω)
○ Bridge
1V/60W (8Ω) 1V/40W (4Ω)
Gain　21dB
Input connection　XLR x1 RCA x1
Input impedance　2.5kΩ/1kHz
Mode switching　No
volume adjustment　by rear rotary switch
DF　2.8 (4Ω) 5.6 (8Ω)
Power supply　AC100/120/200/240V, 50/60Hz
Power consumption　400W
Size　470W x 201H x 430Dmm
Weight　27kg
Finish　Silver anodized
Accessories　AC power cable
Warranty period　5 years