The Yamaha A100 is a high-quality power amplifier featuring large VU meters with clipping indicators. It offers a rated output of 50W + 50W in stereo mode into 8 Ohms, or 100W in monaural (BTL) mode into 16 Ohms. The unit includes a PHONES jack for monitoring output and a MODE switch to select between stereo and monaural configurations.
| Rated output (stereo) | 50W + 50W (stereo, 1% THD, 8 Ohm) |
|---|---|
| Rated output (monaural) | 100W (BTL mono, 1% THD, 16 Ohm) |
| Frequency response | 20 Hz — 20 kHz (0 + 0.5 dB) |
| Total harmonic distortion | 0.02% (1 kHz, 25W/8 Ohm, stereo) |
| Signal to noise ratio | 105 dB (input shorted, IHF A) |
| Dimensions | 220 x 96 x 296 mm |
| Weight | 4.6 kg (10 Ibs. 2 oz) |
The rated output is 50W + 50W into 8 Ohms at 1% THD.
Set the MODE switch to MONO and connect the speaker's (+) terminal to CH A and the (-) terminal to CH B.
Output to the speakers is cut off when headphones are plugged into the jack.