• MCA 525 產品規格
| Specifications |
POWER OUTPUT (PER CHANNEL)
(Continuous RMS, 20 Hz - 20 kHz, <1% THD) |
| # Impedance |
8Ω |
4Ω |
2Ω |
| |
225 W |
400 W |
600 W |
| INPUTS / OUTPUTS |
| Inputs |
Single-Ended, Balanced, Relay Trigger
(3.5-mm Mono Jack) |
| Outputs |
Speaker Binding Posts, Relay Trigger
(3.5-mm Mono Jack) |
| SWITCHES |
| Front Panel |
Power (On/Off) |
| Rear Panel |
3 On/Off Modes
(Trigger, Manual, Auto) |
| THD at 100W |
| at 1 kHz |
0.0010% |
| at 20 kHz |
0.015% |
| IMD at 100 W |
| ITU-R (19 kHz + 20 kHz) |
0.0005% |
| SMPTE (60 Hz + 7 kHz) |
0.002% |
| Frequency Response, 20 Hz to 20 kHz |
| open circuit |
± 0.1 dB |
| 8Ω |
± 0.1 dB |
| 4Ω |
± 0.1 dB |
| 2Ω |
± 0.2 dB |
| WEIGHT |
| MCA 525 |
61 lb (27.5 kg) |
| MCA 325 |
43 lb (19.5 kg) |
| MCA 225 |
40 lb (18 kg) |
|
|
| OTHER SPECIFICATIONS |
| SNR, IEC-A, ref. 225 W |
120 dB |
Power Bandwidth,
-3 dB at 200 W into 8 ohms |
90 kHz |
| Slew Rate |
30 V/μs |
Damping Factor,
20 Hz to 1 kHz |
300 |
Channel Separation,
100 Hz to 10 kHz |
>65 dB |
| Input Impedance (RCA / XLR) |
10 kΩ / 15 kΩ |
| Input Sensitivity, 225 W into 8 Ω |
1.5 Vrms |
| Voltage Gain |
29 dB |
| POWER CONSUMPTION |
| |
standby |
idle |
typical |
high output |
| MCA 525 |
2.0 W |
80 W |
550 W |
1200 W |
| MCA 325 |
1.4 W |
47 W |
350 W |
750 W |
| MCA 225 |
1.0 W |
35 W |
240 W |
500 W |
尺寸
DIMENSIONS |
| Height |
6-5/8" (16.9 cm) |
| Height with Rackmount Kit |
4U |
| Width |
17-1/4" (43.9 cm) |
| Depthe |
18-1/8" (46 cm) |
| POWER REQUIREMENT |
| 120 V version |
In countries where the line voltage is 120 V, this product operates from a single phase AC power source that supplies between 108 V and 132 V at a frequency of 60 Hz. |
| 220-240 V version |
In countries where the line voltage is 220, 230, or 240 V, this product operates from a single phase AC power source that supplies between 198 V and 264 V at a frequency of 50 Hz. |
|
MCA 525 後級擴大機
來自加拿大的Anthem推出了新的MCA系列多聲道後級擴大機，其中等級最高的MCA 525是專為自家AV環繞前級AVM 60設計的5聲道後級。原廠特別強調是在加拿大設計製造，內部使用特別訂製的大功率環形變壓器、高品質的功率晶體和濾波電容，先進的電源穩壓器、大型鋁質散熱片…等。
多聲道後級 Anthem MCA 525
Anthem後級的特色就是採用模組化設計，這款MCA 525當然也不例外，每聲道各有一個功率模組，所以共有5組，而每個功率模組使用8顆bipolar功率晶體，8歐姆負載時可以提供扎實的225瓦輸出功率，阻抗下降至2歐姆時，輸出功率更可攀升至600瓦。而且MCA 525不僅是肌肉猛男而已，而有低失真的特點，總諧波失真僅0.001％而已
為了確保MCA 525能夠安全、穩定的工作，原廠使用了新一代ALM（Advanced Load Monitoring）監控技術，持續監控器材內部溫度、電流和電壓。但是原廠特別說明，ALM並不在訊號路徑上，所以平時不會干擾音樂訊號傳輸，只有在過載的狀況下才會介入，確保擴大機或喇叭不會被燒壞。而且ALM不需要保險絲，所以沒有保險絲熔斷需要更換的問題，一旦該聲道過載的狀況消失，就會自動恢復正常，用家可以透過前面板上的LED燈號判斷工作狀態。難怪原廠會用「Stable as a Rock」來形容自家擴大機，及使遇上低阻抗喇叭也不怕。
Audio Refinement
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