Relay-switching balanced attenuator
The volume control in the A1 does not use a conventional rotary or electronic volume control. Instead, it uses a newly developed relay attenuator-style balanced configuration. This dramatically increases clarity and allows the sound image to emerge in three dimensions. It also significantly improves quality at low volume levels without fear of gang errors.
Direct mechanical grounding construction
Spikes connect to the bottom of the transformer’s center of gravity to directly expel harmful vibrations without interfering with the unit housing itself. This achieves both supremely vibrant musical expression and a high S/N.
Symmetrical housing with resonance control
The housing’s symmetrical construction increases rigidity balance while controlling the sharpness of resonance (Q factor). This eliminates the usual sensation of sound containment in highly rigid systems and creates the high-resolution, expansive SOULNOTE sound. The newly developed, heavyweight aluminum front panel design also helps control resonance.
Metallic insulators as standard equipment (when under load)
Though plastic insulators are the conventional standard, we now use metallic insulators since they promote higher sound quality.
Specifications
| Maximum output | 80W ×2 (8ohm), 120W ×2 (4ohm) |
| Total harmonic distortion | 0.08% (30W 8ohm) |
| Frequency characteristic | SPEAKER (8ohm 1W): 3Hz to 300kHz (±1.0dB |
| Input sensitivity/impedance | LINE1 (balance): 700mV/16kohm LINE2, 3, 4: 700mV/8kohm |
| S/N ratio | 110dB (IHF A network) |
| Power voltage | 230V AC 50Hz |
| Power consumption | 190W, 90W (during idling) |
| Maximum external dimensions | Main unit: 430(W)×109(H)×418(D)mm |
| Weight | 10,0kg |
| Included accessories | Remote control, Spikes, Power cord |