Pioneer - CT-S630S Audio-cassette deck

Pioneer CT-S630S – 3-Head Cassette Deck with Dolby S, Made in Japan

The Pioneer CT-S630S was produced between 1994 and 1995 and is Made in Japan, an important detail for collectors and vintage audio enthusiasts, as many cassette decks from the same era were manufactured in Malaysia.

The CT-S630S belongs to Pioneer’s high-performance cassette deck range of the 1990s and stands out thanks to its 3-head configuration, allowing real-time monitoring of recordings and extremely precise recording adjustments. The separate record and playback heads enable direct Tape/Source monitoring during recording, a feature typically found on higher-grade decks intended for demanding users and hi-fi enthusiasts.

In addition to Dolby B and Dolby C noise reduction, the CT-S630S features the prestigious Dolby S system, the most advanced noise reduction technology ever implemented in consumer cassette decks. Dolby S delivers significantly lower tape hiss, improved dynamic range, and a listening experience remarkably close to digital sources.

The deck is also equipped with Pioneer's sophisticated Super Auto BLE (Bias, Level, Equalization) System, an automatic calibration function that analyzes the characteristics of each cassette and optimizes three critical recording parameters: bias, recording level, and equalization. Unlike simpler calibration systems, Super Auto BLE performs multiple measurements to achieve the best possible match between the deck and the tape, maximizing clarity, dynamic range, high-frequency extension, and overall recording accuracy.

As a result, the CT-S630S delivers excellent compatibility with a wide variety of cassette formulations, including older tapes and tapes from different manufacturers, ensuring outstanding recording quality without the need for manual adjustments.

Key Features:

Made in Japan
3-head mechanism for real-time monitoring and superior recording performance
Dolby B, Dolby C and Dolby S noise reduction
HX Pro Headroom Extension system
Super Auto BLE automatic tape calibration
FLEX system for improved playback of older recordings
Compatible with Type I (Normal), Type II (Chrome) and Type IV (Metal) tapes
Frequency response up to 21 kHz with Metal tapes
Signal-to-noise ratio greater than 59 dB
CD Synchro Recording function
Automatic music search for up to 15 tracks
Independent recording level and balance controls
Electronic tape counter with real-time display

With a wow and flutter specification of just 0.05% WRMS and the solid build quality associated with Japan's golden era of audio engineering, the Pioneer CT-S630S is an excellent choice for both music playback and high-quality cassette recording.

Combined with its Super Auto BLE calibration system and true 3-head design, the CT-S630S delivers recording performance that remains highly regarded by cassette enthusiasts and collectors alike, allowing each tape to perform at its full potential.

An increasingly hard-to-find model in this configuration, appreciated by collectors and enthusiasts of the Compact Cassette format.

Technical specifications

Type: Single
Years of manufacture: 1995
Color: black
Remote control: Option
Power consumption: 25 watts, in stand by: 10 watts
Dimensions: 420 x 125 x 280 mm
Weight: 4.1 kg

Connections

Number of inputs: 2
LINE: 100 mV (input impedance 72 kΩ)
Pioneer system bus socket 3.5 mm
Number of outputs: 3
LINE: 0.5 V (output impedance 2.2 kΩ).
Pioneer system bus jack 3.5 mm
Headphones: 1.41 mW (load impedance 32 Ω)
Audio heads: 3
Synchronous fluctuations: 0.05 % (WRMS). 0,07 % (DIN, rated)*, 0,22 % (DIN, unrated)*
Rewind time for C60: approx. 90 sec.
Tape types: Type I, II and IV
Frequency response:
Normal: 20 - 19,000 Hz.
Chrome: 20 - 19,000 Hz
Metal: 20 - 21,000 Hz

Signal-to-noise ratio: > 59 dB
Dolby NR Effect:
Dolby B-NR: more than 10 dB (at 5kHz).
Dolby C-NR: more than 19 dB (at 5 kHz)
Dolby S-NR: more than 22 dB (at 5 kHz)
Distortion: < 0.6% (at -4 dB / 160 nwb/m).

Title search: Yes
Dolby: B, C, S.
MPX Filter: Yes
Fader: No

CD Synchro Recording: Yes
Special Features

Dolby B / C / S
HX Pro
MPX filter
3 head device for rear band control
Switchable display
Electronic totalizer with real-time and numeric display.
Meter Range - level spread for more accurate recordings
Super Auto BLE System - automatic calibration with 3 measuring points
FLEX System
CD Synchro Function
Timer circuit
Rec Level and Rec Balance separately adjustable
Monitor ( Auto ) (Tape/Source)
Search function for up to 15 titles

This item is offered as a private sale.

The package includes only the Pioneer CT-S630S unit, and the power cable, exactly as described and shown in the photographs. No other accessories, cables, manuals, or original packaging are included.

The photographs are real and represent the exact item offered for auction. They form an integral part of the description and provide an accurate representation of the unit’s condition.

The goods will be well-packed in expanded polystyrene& bubble wrap and will always stay that way
shipped insured with track & trace code via DPD

Delivery in EU via DPD
For the UK, Switzerland, Cyprus, Malta, as well as other countries outside the EU, shipping is insured via DHL/TNT/ FedEx and any other taxes including customs duties charged by the authorities in the destination country are not included, so they are borne by the buyer.

The unit is a used vintage electronic device and shows small signs of wear and fine scratches consistent with its age.

Given the nature of a private sale and the vintage electronics category, the item is offered without warranty.

By placing a bid, the buyer confirms that they have read, understood, and accepted the description and condition of the item.