Victor DC-G7 (1989) | G Creation - Digital Super Bass

 

AL-E500X

Computerized Fully Automatic Turntable

FX-EG7

TV/FM/AM Digital Sythesizer Tuner

36 station preset

3 program timers

Sleep & Wake Up Timer

AX-EG7

Digital Basic Integrated Amplifier

80W+80W(EIAJ) 

8fs digital filter & 18-bit dual DAC

3 Digital (Optical CD/BS/DAT) & Digital Out

Digital Super Bass

Live Phonic space effect

SEA-EG7

S.E.A. Stereo Graphic Equalizer

Equipped with spectrum analyzer

7-band control

Five-mode spectrum analyzer display

12 patterns of graphic equalizer preset memory

TD-EG7

Double Reverse Cassette Deck

Half shell stabilizer, W reverse deck with Dolby C

New Cyber ​​DD Recording System

Non-stop edit fade link without gaps (CD TAPE TAPE TAPE)

Equipped with electronic Rec volume and optimal recording level setting DDRP

Triple edit (AUTO/PROGRAM/MULTI) to fit perfectly into the specified time

Fade edit without blank space at the end of the tape

Auto fade for editing fades the way you want

DAC Direct REC for pure recording via the shortest possible path

XL-EG7

Opt Digital Compact Disc Player

Optical Digital Output

High Rigidity, Low Resonance and Low Vibration

High speed peak level search

Creation G7

Largest in its class, 3-way speaker with 28cm woofer

A new 60-key full remote control with ease of use

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YAMAHA CR-1000 (1974) | Strong & Clear

 

The CR-1000 was a top-of-the-line FM receiver from Yamaha, introduced in 1974. The main amplifier circuit uses a pure complimentary service OCL system directly connected to all stages using two differential amplifiers. A large power transformer with good regulation is used for the power circuit. Power transistors and drive transistors that require a large current are supplied with voltage from a rectifier circuit that uses a large capacity capacitor of 10,000 μ Fx2 and a rectifier diode with a sufficient surge current of 250A. All other circuits are driven by a constant-voltage power supply circuit, enabling stable operation. Built-in 2-stage protection circuit for power transistor and speaker. The power transistor protection employs a limiter method that detects when the ASO (safe operating area) is exceeded and limits the input. Even when the protection circuit is activated due to overload or other reasons, the output only decreases and playback is not interrupted. Main characteristics: High-sensitivity FM input stage with dual MOS field-effect transistors and frequency-linear five-way tuning variable capacitor | IF amplifier with integrated circuit, seven-stage differential amplifier, and six ceramic filters | Exclusive to YAMAHA: Multiplex demodulator with negative feedback in the transistor circuit | YAMAHA Auto-Touch Tuning | LED display for mains, AFC/station, and stereo reception | Indicators for signal/field strength and center tuning | Continuously adjustable, dual-action FM noise reduction | Direct-coupled phono equalizer | Three-stage, directly coupled, low-noise tone controls and filter amplifier with extremely low harmonic distortion | Continuously adjustable aurally accurate volume correction | Separate microphone amplifier for microphone fade-in | Connection for two tape recorders With circuitry for tape-to-tape copying | Separable preamplifier and power amplifier | Two phono inputs, one of which has an impedance selector (30/50/100 kOhm) | IF output for quadrophonic demodulator | Multipath output for precise antenna alignment using an oscilloscope | Connection for two speaker groups | Logical and user-friendly arrangement of the controls on the front panel | Built-in protection circuit for power transistors and speakers | Headphone connection on the front panel | Power output 70+70W 8ohm | Dynamic power 200W | THD 0,04% | Dimensions (WxHxD) 510x147x335mm | Weight 19kg | Original sale price in Germany 2100 DM

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SONY TC-K666ES (1982) | 3 Motor Direct Drive

 

When introduced, the K666ES was the flagship model of the "ES" series, and features three motors, three independent heads, and an extremely high-precision, anti-vibration design that sets a new standard for cassette decks. Sony's unique independently suspended 3-head system using laser amorphous heads. It is the same size as a combination head, and uses an independently suspended three-head system that provides uniform head touch and high azimuth accuracy for both the recording and playback heads. Moreover, the heads are equipped with laser amorphous heads that use an amorphous magnetic alloy for the core material, which has an excellent signal-to-noise ratio and is resistant to magnetic saturation. By maximizing the benefits of the three-head system, we have achieved wide frequency characteristics and dynamic range suitable for the digital age. Quartz lock D.D.3 motor system. The capstan drive uses the rotating shaft of a linear BSLD.D. motor, which has excellent characteristics for audio equipment, as the capstan, and is further servoed by a quartz lock to achieve high-precision driving characteristics as a quartz-locked direct drive system. In addition, to improve the operating precision and durability of the entire driving mechanism, a three-motor system is used in which a linear BSLD.D. motor is also used for the take-up reel and the supply reel. Moreover, an electronic back tension servo is used, which detects the supply reel's rotation speed and applies the optimum back tension, preventing discrepancy in tape speed between the start and end of winding. Achieving stable tape running using Closed loop dual capstan system. This is a system that stabilizes tape running by sandwiching the tape between two sets of capstans and pinch rollers arranged around the head. The advantages are: 1) It cuts off the tape vibration transmitted from the reel, improving wow and flutter characteristics; 2) It shortens the tape vibration span, and can expel modulation noise outside the audible range; 3) It uses the tension between the two capstans to always obtain a stable head touch, etc. This mechanism, which has a proven track record in open reel decks, achieves extremely high tape running accuracy. The amplifier section is a DC twin mono configuration. Sony's technological capabilities are fully utilized in the amplifier section, which is often overlooked in decks. The playback flat amplifier has a full L/R twin mono structure, and is configured as a DC amplifier with a circuit layout that follows the signal flow. Furthermore, the head and playback amplifier are directly coupled to eliminate capacitors, and a dual FET differential two-stage SEPP circuit is used to eliminate signal modulation factors as much as possible, ensuring simple and straight transmission. During recording and playback, the motor rotation speed is kept low at approximately 6 rotations per second for the capstan and approximately 0.3 to 0.7 rotations per second for the reel to minimize mechanical vibration. In addition, a zinc die-cast mechanism block is used, which minimizes harmful resonance in terms of both material and structure, and other features provide a thorough vibration-proof design. The ICs that make up the Dolby NR, B, and C circuits use a symmetrical Dolby IC with left and right channel symmetry. This makes the wiring patterns of the peripheral parts symmetrical, resulting in clearer sound image positioning. The high-speed two-speed fast-forward/rewind function cuts tape winding time by more than half (compared to previous models) and also protects the tape at the beginning and end of winding. Cueing is also possible by pressing the pause button and the fast-forward or rewind button simultaneously. Bias/recording level calibration allows precise adjustment of the appropriate bias and tape sensitivity for each tape used.

Specifications:

Heads: 1 erase, 1 record, 1 playback 

Motor: 3 linear BSLD.D. motors 

Signal to noise ratio: 56dB, 73dB (Dolby NR-C type) 

Frequency characteristics: 25 to 19,000Hz ±3dB (METAL cassette)

Frequency range: 20 to 20,000Hz (METAL cassette)

Wow and flutter: ±0.04% WPeak, 0.025% WRMS

Dimensions: 430 (width) x 105 (height) x 285 (depth) mm 

Weight: 6.5kg

Original sale price in Germany 1550 DM

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KENWOOD DR-W1 (1994) | The CD Player that Records

 

Introducing CD recording capability for the home...in 1994... Now you can make your own CDs that provide all the advantages of conventional CDs. From its sleek golden front panel to its wireless remote control, the DR-W1 looks for all the world like a premium CD player. It is that... and much more. Because the DR-W1 is one of the world's first consumer CD players that also records CDs. And unlike similar systems, the DR-W1 can make completed CDs that are playable on other CD players. They're 100% compatible, 100% CD sound quality.

Accepts Digital and Analog Inputs

Use the DR-W1 to compile your favorite music onto CD from your entire music library, analog or digital. It's the ideal solution for archiving and for convenient playback in portable or car CD players. Of course, live "direct to disc" recording is also possible via an outboard microphone amp or mixing console. You can connect digital sources to one coaxial and two optical input terminals. Conventional stereo jacks are also provided for input from your amp, receiver, or other analog source. Simply select your desired input on the front panel. Adjustment to the sampling frequency of incoming digital signals is completely automatic.

Recording is Easy

If recording from an analog source, you press the record button once and then adjust recording level and

balance as necessary. Pressing the record button again begins actual recording. Recording from digital sources is even easier, since no adjustments are required. Recording begins once the source starts playing. Track number data for PMA and TOC creation already exists in CD and DAT material. For other source material, you can enter numbers manually or let the DR-W1 insert them automatically when it detects periods of silence in the program material.

Usable As a Stand-Alone D/A and A/D Converter

With the "Source Monitor" function you can use the DR-W1 as a stand-alone A/D and D/A converter. This is particularly useful for monitoring the sound of analog inputs during recording level adjustment. It lets you hear the actual results of both A/D and D/A conversion before recording begins. Digital output is provided via one optical and one coaxial terminal. The DR-W1 uses a 1-bit Delta-Sigma type ADC with 64-times oversampling and 4th order noise shaping. Its DAC is a 1-bit Delta-Sigma type with 128-times oversampling and 5th order noise shaping. These are highly linear devices to assure clean, accurate sound quality. Dimensions (WxHxD) 476x147x436mm | Weight 22,5kg

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