power amp - My HIFI - 二手音響，喇叭，各類影音 (官方網站)

Nikko Alpha 650

Made in Japan, 220v,<br>早期日本製造雙錶頭後級, 重料之作！ <br>雙火牛, 大水塘, 力水足, 300w / 8 ohms<br>RCA 或者平衡輸入, 操作正常可試音<br>尺寸: 闊48, 高20, 深46cm<br>(計埋手握位)<br><br>Power Bandwidth: 10 Hz - 40 kHz (-3 dB, 0.05 % THD) (1) Frequency Response: 0 Hz - 100 kHz (Direct, -1 dB) (1) 20 Hz - 200 kHz (Normal, -3 dB) (1) Total Harmonic Distortion: 0.008 % @ 300 Watts / 8 Ω, 20 Hz - 20 kHz (1) 0.02 % @ 650 Watts / 8 Ω, 1 kHz (1) Intermodulation Distortion: No more than 0.01% (1) Sensitivity: 1 Volt (1) Input Impedance: 50k Ω (1) Signal-to-Noise Ratio (IHF): 120 dB (1) Damping Factor: 150 @ 8 Ω (1) Dimensions (W x D x H): 19 x 18-5/16 x 7.25 in. (1) 482 x 465 x 182 mm (1) Weight: 60.5 lbs. (1) 27.5 kg (1) Power Consumption: 1.3 kW (1.4 kVA) (1)<br><br>MY HIFI Company<br>電話/ whatsapp: 63231067 <br>歡迎試音, 試完唔啱唔緊要<br>cash/ visa/ master/ payme/ fps<br>收購二手音響, 代客寄賣, 交換, 送貨服務

Krell KSL & KSA-250

#特價HKD25000一套<br><br>Made in USA, Krell 前後級一套<br>Krell KSL (with phono section) $8800 <br>KSA-250 $21800<br>Class A 250w/ 8 ohms, 大牛大水塘<br>操作正常可試音<br><br>KSL Specifications<br>Description: Line-level preamplifier. Gain: 10dB (x3). Frequency range: 0.5Hz–550kHz. S/N ratio: 95dB A-weighted. Input impedance: 48.5k ohms. Output impedance: 11 ohms. Maximum output voltage: 9.5V RMS, 28V p–p.<br>Dimensions: 18" W by 21/4" H by 13.75" D.<br><br>KSA-250 Specifications<br>Description: Solid-state class-A stereo amplifier. Rated minimum continuous output power: 250Wpc into 8 ohms (24dBW), with no more than 0.1% THD; 500Wpc into 4 ohms (24dBW), with no more than 0.1% THD; 1kWpc into 2 ohms (24dBW); 2kWpc into 1 ohm; 4kWpc into 0.5 ohm (24dBW). Frequency range: 0Hz–250kHz. Input impedance: 47k ohms, non-inverting and inverting inputs. Input sensitivity: 2.3V. Slew rate: >100V/µs. S/N ratio: 120dB, "A" weighted. Power consumption: 12A continuous.<br>Dimensions: 19" W by 8.5" H by 24" D (including front and rear handles). Weight: 140 lbs.<br><br>MY HIFI Company<br>電話/ whatsapp: 63231067 <br>歡迎試音, 試完唔啱唔緊要<br>cash/ visa/ master/ payme/ fps<br>收購二手音響, 代客寄賣, 交換, 送貨服務