Power Amplifiers Comparison
Model System Speaker Outputs Continuous Power 4Ω
(Watts)
Continuous power 8Ω
(Watts)
Continuous Power 16Ω
(Watts)
Dynamic Power 4Ω
(Watts)
Dynamic Power 8Ω
(Watts)
Dynamic Power 16Ω
(Watts)
Frequency Response
(HZ)
Input Sensitivity
(mV)
Input Impedance
(kΩ)
Signal to Noise Ratio
(db A, short circuited)
Damping factor Harmonic Distortion
(% at rated output)
Dimensions in Inches
((w) x (h) x (d))
Dimensions in mm
((w) x (h) x (d))
Weight in lbs
(lbs)
Weight in Kg
(Kg)

N/A
Transistor Power Amplifier (Class AB) 2 x 2 Speakers; Phones 165 + 165 110 + 110 N/A 165 + 165 N/A N/A 5-150,000 (+0/-3 dB) 1,000 40 110 100/10/3/1 (8 Ω)
50/5/1.5/0.5 (4 Ω)
0.08 17-23/32 x 7-19/32 x 16-25/32 450 x 193 x 426 52 23.6
Technics SE-9021
Technics SE-9021
Transistor Power Amplifier 2 x 2 Speakers; Phones 65 + 65 60 + 60 N/A N/A N/A N/A 20~20,000 (+0/-0.1 dB)
DC~100,000 (-1 dB);
1,000 47 (IHF A) 115 db
(DIN) 105
50 (8Ω) 0.01 16.92 x 3.86 x 13.00 430 x 98 x 331 22 10
Technics SE-9060
Technics SE-9060
Transistor Power Amplifier (Stereo/Mono, Class AB) 2 x 2 Speakers; Phones 90 + 90 (Stereo) 70 + 70 (Stereo); 180 (Mono) N/A 100 + 100 75 + 75 (Stereo); 200 (Mono) N/A 20-20,000 (+0/-0.05 dB); 0-100,000 (+0/-1 dB) 1,000 47 120 (IHF A) 50/ 100 (Stereo, 4 Ω/ 8 Ω); 50 (Mono, 8 Ω) 0.02 (4Ω; 8Ω) 17.72 x 3.62 x 14.8 450 x 92 x 376 26.5 12
Technics SE-A3
Technics SE-A3
Transistor Power Amplifier (Class A) 2 x 2 Speakers; Phones 350 + 350 220 + 220 N/A N/A N/A N/A DC~20,000 (+0/-0.1 dB); UK: DC~300,000 (+0/-3 dB) 1,000 47 123 (IHF A) 100 (4 Ω); 200 (8 Ω) 0.001 16-15/16 x 8-3/16 x 19-31/32 430 x 208 x 507 80.5 36.5
Technics SE-A5
Technics SE-A5
New Class A Stereo Power Amplifier (Transistor) N/A 160 + 160 120 + 120 N/A N/A N/A N/A DC~20,000 (-0.1dB)
DC~200,000 (-3dB)
N/A N/A 123 db (IHF A); 108 N/A 0.02 16.92 x 7.00 x 16.38 430 x 178 x 416 29.5 13.4

Technics SE-C01 K
Transistor Power Amplifier 2 x 2 Speakers; Phones N/A 50 + 50 N/A N/A N/A N/A 20~20,000 (+0/-0.1 dB); DC~100,000 (-1 dB) 1,000 47 115 (IHF A); 105 (DIN) 50 (8Ω) 0.03 11.69 x 1.92 x 10.31 297 x 49 x 262 6.83 3.1

Technics SE-A7
Transistor Power Amplifier (Stereo/Mono, New Class A) 2 x 2 Speakers; Phones 60 + 60 60 + 60 (Mono 120) N/A N/A N/A N/A 20~20,000 (+0/-0.1dB); 0.7~200,000 (-3 dB) N/A N/A 100; 110 (IHF´66) N/A 0.03 16.93 x 2.09 x 14.37 430 x 53 x 365 21.6 9.8
Technics SE-A808
Technics SE-A808
Transistor Stereo Power Amplifier (Class AB) 2 x 2 Speakers; Phones 40 + 40 40 + 40
1x 90 (BTL)
N/A N/A N/A N/A 20~20,000 (+0/-0.2dB)
5~60,000 (-1 dB)
N/A N/A 100 (108 IHF´66) N/A 0.03 (4Ω)
0.02 (8Ω)
16.93 x 2.95 x 11.02 430 x 75 x 280 15 6.8
Technics SE-A1
Technics SE-A1
Transistor DC Power Amplifier (Stereo, Class A+) 4 x 2 Speakers; Phones 420 + 420 (1 kHz) 375 + 375 (1 kHz) N/A N/A N/A N/A 20-20,000 (+0/-0.5 dB) 700 (-3 dBV, 2x350W/4Ω); 1,000 (±0 dBV, 2x350W/8Ω) N/A 97/99 (DIN 45405) (4 Ω) >200 (40 Hz); >120 (1 kHz); >43 (12.5 kHz) <0.04 (2x50mW); 0.005 17.71 x 9.84 x 21.65 450 x 250 x 550 112.43 51
Technics SE-A50
Technics SE-A50
Dual Mono Power Amplifier (Class AA, Transistor) N/A 210 + 210
157 + 157 (20-20,000 Hz)
135 + 135 (DIN)
125 + 125 (20-20,000 Hz) N/A N/A N/A N/A 20∼20,000 (+0/-0.1 dB) N/A N/A 105 N/A 0.002 (20-20,000 Hz, 8Ω) 16.93 x 6.34 x 16.06 430 x 161 x 408 36.95 16.6