1983 Sansui D-99MW 桌面双卡 卡式磁带机

Sansui D-99MW 是一款带有 Dolby B 降噪功能的立体声双卡座,由 Sansui 于 1983 年推出。

Sansui D-99MW 的主要特点是:

2 个磁头,模拟 3 位磁带计数器,支持普通磁带、镀铬磁带和金属磁带的磁带类型选择。

典型的前装载双磁带卡座,卡座舱位于卡座的两侧。 磁带弹出是机械操作的,磁带需要放置在磁带井中,要播放的一面朝前。

杜比-B 系统可将 D-99MW 上录制的磁带在最高频率下的嘶嘶声降低多达 10 dB。

为了不受干扰地聆听,提供了一个用于一对立体声耳机的插孔连接器。 可以通过 RCA 电缆连接到其他音频组件以进行回放,并通过 RCA 电缆从源录制。

Sansui D-99MW Dual Cassette Deck

The Sansui D-99MW is a stereo double cassette deck with Dolby B noise reduction, it was introduced by Sansui in 1983.

The main features of the Sansui D-99MW are: 2 heads, analog 3 digit tape counter, tape type selection with support for normal, chrome and metal tapes.

Typical front loading double cassette deck with the cassette compartiment located on both sides of the deck. Tape eject is operated mechanically and the cassette needs to be placed with the side to be played facing forward in the cassette well.

The Dolby-B system reduces tape hiss on tapes recorded on the D-99MW by as much as 10 dB at the highest frequencies.

For undisturbed listening a jack connector for a pair of stereo headphones is supplied. Connection to other audio components for plaback can be achieved by a RCA cable and recording from a source by a RCA cable.

SPECIFICATIONS

Track ………………………… 4-Track (2-Channel Stereo)

Tape Speed 4.8 cm/sec. (1-7/8 ips)

Motor ……………………….. Electronically Controlled DC Motor x2

Wow and flutter …………. Within 0.07% WRMS

Fast wind time ……………. approximately 100 seconds (C-60)

Frequency response (-20 VU recording/playback)

Normal Tape (LH) ……. 20 to 15,000 Hz

(30 to 14,000 HZ:+/-3 dB)

Chrome Tape …………. 20 to 16,000 Hz

(30 to 15,000 Hz:+/-3 dB)

Metal Tape …………….. 20 to 16,000 Hz

(30 to 15,000 Hz:+/-3 dB)

Signal to noise ratio (recording/playback with metal tape)

DOLBY NR OFF ……… Better than 58 dB

DOLBY NR ON ………. Better than 68 dB (above 5 kHz)

Erasure factor (Metal Tape)

……………………………. more than 70 dB at 1 kHz

Input sensitivity and impedance (0 VU, 1 kHz)

LINE IN (REC) …………. 150 mV/iOO k9

Power requirements

Power voltage …………. 120/220/240V (50/60 Hz)

For U.5.A. and Canada…………………… 120V (60 Hz)

Power consumption…. 13W

Dimensions ………………… 430 mm (16-15/16″) W

118 mm (4-11/16-“) H

223 mm (8-13/16”) D

– – – Weight ………………………. 4.2 kg (9.3 lbs) net

5.0 kg (11.0 lbs) packed

Sansui D 99 MW Service Manual