Akai AM-2250 Verstärker
(1978-1980)
Service ManualTECHNISCHE SPEZIFIKATIONEN
Power (RMS) 2 X 25w/8 ohms
Power Band: 20Hz/20Khz
Frequency response: 10Hz/40kHz
THD output: 0,2%
Interm Distortion: 0,2%
Damping Factor: 50/8 ohms
Input Sens Phono: 3 mV
Input Sens Tuner: 150 mV
Input Sens Aux: 150 mV
Input Sens Tape In: 150 mV
SNR Phono: 75 dB
SNR Tuner: 95 dB
SNR Tape In: 95 dB
SNR Aux: 95 dB
Output Imp: 4/16 ohms
Dimensions: 380 x 241 x 130 mm
Weight: 6.2 Kg
| Transistors | Equiv | Other |
| 2SC930 | BF241-KSC1675 | NTE107 |
| 2SD612 | NTE184-2N4923 | BD561-BD135 |
| 2SC1627 | NTE289-2N3700 | KSC2003-BC546 |
| 2SC1815 | 2N3904-2N3859A | NTE85-KSC945 |
| 2SC2240 | 2N2509-NTE199 | KSC1845-2N2509 |
| Integ circ | Equiv | Other |
| STK463 | NTE1331 | |
| UPC1161C | NTE1489 | |
| LA3122S | NTE1455 | |
| LA1230 | NTE788 | |
| UPC1178C | ||
| Diodes | Equiv | Other |
| 1S2473 | NTE177 | 1S1588 |
| RD15EB | NTE5023A | |
| DS131A | NTE116 | |
| GP20G | GP15G | NTE552 |
| RD3.3E | NTE5005A | |
| Capa µf | Volts | Quantity (31) |
| 6800 | 35 | 2 |
| 330 | 35 | 2 |
| 220 | 35 | 1 |
| 100 | 35 | 2 |
| 100 | 25 | 2 |
| 47 | 25 | 4 |
| 47 | 10 | 2 |
| 10 | 35 | 6 |
| 10 | 16 | 4 |
| 1 | 25 | 2 |
| 1 | 16 | 2 |
| 1 | 10 | 2 |