2023年1月13日 · See more Nakamichi Oms-2a Compact Disc CD Player 1987 J... Have one to sell? An item that does not function as intended and is not fully operational. This includes …

2016年10月22日 · CDP-2A is Philips TDA1541A w/a Sony Transport. CDC-4A is Phillips TDA1541A-S1 w/a Pioneer transport. OMS-7 is 2x Philips TDA1540 w/a NEC Transport. And the OMS-7 II is 2x PCM54HP-K w/a Sony transport. And the TDA1541 equipped players are arguably some of the best sounding CDP's out there...

It uses a true 16-bit digital-to-analog (d/a) converter, with double over-sampling at 88.2 kHz followed by a digital filter and a five-pole analog filter. The combination is said to provide much better group-delay characteristics than is possible using a “brick-wall” analog filter alone.

The Nakamichi OMS-2 incorporates a wealth of sophisticated digital and analogue technology within its sleek, low profile design. The Nakamichi Shunt Connected Analogue Deglitcher preserves the full resolution of the Compact Disc.

2008年12月14日 · There is an upsampling/oversampling IC plus either a dual dac or two mono dac chips, and an op-amp analog output stage as well. And probably a discrete crystal oscillator to clock the DACs. Any of them could be non-functional. I'd start by probing the inputs to the op-amp stage (it's easy if you've got an oscilloscope) and work backwards.

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In perfectly working condition aside from the disc tray. While trying to open the disc tray it can get stuck. If it gets stuck pushing lightly to the left will allow it to open. No remote included.

2020年9月29日 · It's interesting that the CDP-2A and OMS-20 share the same data, (on that site), and service manual. I'm guessing that they're the same unit, sold in different markets. The cdp-2a, I've heard and it's a stellar CD player in my opinion. Do know this is the same as 2e, which is the european version. Yeah. I did know.

ESS最新推出的小部分芯片，带有I/V转换和线路驱动，省去了许多外部电路，使用简单无源LPF（低通滤波器）就可工作，减少PCB占用面积，但不带有SPDIF接收器，组建独立DAC整机时，需要另加SPDIF接收芯片。