Conrad Johnson PRE-CD Solid State Model: DF1

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Tên mặt hàng: PRE-CD Solid State Conrad Johnson, Model: DF1
Tình trạng, mô tả: used & rare
Giá bán: 35,000,000
Khu vực: TP HCM
Điện thoại: 0902180088
Giao hàng: Toàn quốc
(Ảnh chụp thực tế)

Thông tin thêm: PRE-CD Solid State Conrad Johnson, Model: DF1
tiếng em nghe CŨNG ĐƯỢC, mua 1 lần được 2 trong 1
PRE và CD khỏi tốn dây
ae cho offer nha, em nặng chừng 8Kg / Thank you ae
JB checked SOLD item usaudiomart 2021 + phí chuyển về VN 1 chặng nữa,

https://www.usaudiomart.com/details...ine-preamplifier-excellent-working-condition/

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The DF1 combined a superb line stage preamplifier with and integral CD transport.

An infrared wireless remote control was included. The DF1 could be used as a stand-alone CD player or as a unit combining the preamp and CD functions in a single chassis.

The DF1 was known for conrad-johnson’s superior imaging, depth, and soundstaging.

CD Player:

The DF1 CD mechanism uses a single laser beam that does not require alignment. The 176.4Khz sampling rate and noise shaping circuitry yield 16 bit resolution, and allow gentle filtering well above the audio frequency band. Digital to Analog converters are employed to eliminate phase shift between channels and avoid switching glitches.

Preamp Stage:

Unlike most CD players that use IC’s in the line stage, the DF1 uses discrete FET analog circuits with separate discrete regulated power supplies—circuits which have proven reliability and superior soundstaging and imaging.

The DF1 uses the highest quality component parts. Precision tin-oxide resistors, polypropylene capacitors and polystyrene capacitors and premium quality controls are used throughout the DF1.
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Specifications:

Line Stage:

Gain: 26dB

Maximum Output: 5V

Frequency Response: band-pass 5Hx to more than 100Khz

Hum and Noise: better than 82dB below 1.0V output

Distortion: less than 0.25% THD at rated output

CD Player (Direct Out):

Output: 1.1V

Frequency Response: 5Hz to 19Khz +0.5dB

Hum & Noise: better than 85dB below 1.0V

Distortion: less than 0.25% THD at rated output

D/A Conversion: 16 bit resolution through 176.4kHz sampling, digital filtering

Mechanical:

19” Wide X 3 ¾” High X 12” Deep

Weight 19 lbs.

 

Thấy Conrad Johnson là em úp phụ!

 

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