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The SONY TC-558 virtually controls itself for hours of continuous bi-directional operation – record or playback. There’s a three position Reverse Mode Selector Switch that lets you program for continuous reverse, one-way reverse or non-reverse. And Auto-Reverse is just part of a superb selection of outstanding features.
There are six separate tape heads - three for each direction of tape travel - giving you Tape/Source Monitoring - plus assuring the kind of reproduction quality you'd expect from a deck in this class. That's not all. You record and play back over SONY's exclusive Ferrite and Ferrite Heads, and erase over ferrite heads. They'll last up to 200 times longer than standard permalloy heads, with the additional performance benefits of improved tape-to-head contact, wider frequency response and reduced noise and distortion.
Symphase Recording enables you to record 4-channel sound from an SQ* or FM matrix source for playback through four speakers and a decoder-equipped 4-channel amplifier without phase differences between channels. The tape drive mechanism is protected by Logic Controlled Transport Functions, letting you activate the Feather-Touch Control Buttons in any sequence without breaking or spilling tape.
The TC-558's 3-Motor System incorporating a Servocontrol Capstan Motor, assures accurate, stable tape movement despite fluctuations in line current. And its simplified mechanism keeps mechanical wear to a minimum,
You can use either standard or low noise/high output recording tape with optimum results, thanks to the Record Equalization and Bias Selector Switches. And Automatic Total Mechanism Shut-Off returns all functions to stop at end-of-tape in any mode.
The TC-558 also features Built-in Mic/Line Mixing so you can record from two stereo sources simultaneously. And there's a long list of other features that combine to make one impressive tape deck.
The SONY TC-558 Stereo Tape Deck with Automatic Reverse. You'll never hear the end of it.
* CBS, Inc.
OTHER FEATURES INCLUDE:
· Scrape Flutter Filters
· Anodized Face Plate
· Microphone Attenuator
· FET and Direct Coupling Amplifier
· Playback Level Control with Center Detent Position
· Automatic Tape Lifters
· Illuminated Calibrated VU Meters
· Pause Control with Lock
· Electrical Speed Change
· Record Interlock
· Sound-On-Sound and Echo with optional MX-6S Mixer or SB-200 Adapter
· Ultra High Frequency Bias
· Non-Magnetizing Record Head
· Reverse Mode Selector Switch
· Forward and Reverse Indicator Lamps
· Built-In Reel Locks
· Stereo Headphone Jack
· 4-Digit Tape Counter
· Vertical/Horizontal Operation
· Retractomatic Pinch Roller
· Walnut Base
· No Pressure Pads
SUPPLIED ACCESSORIES
· RK-74 Patch Cords X 2
· AC Power Cord
· Head Cleaning Tips
· Empty 7-Inch Reel
RECOMMENDED ACCESSORIES
· ECM-280 Cardioid Condenser Microphone
· ECM-33P Cardioid Condenser Microphone
· ECM-54P Cardioid Condenser Microphone
· AC-148 48 Volt Phantom Power Supply
· SB-200 Sound-On-Sound and Echo Adapter
· NR-335 Dual-Process Dolby** Noise Reduction Adapter
· MX-510 Active Five-Channel Stereo/Monaural Mixer
· MX-14 Active Six-Channel Stereo/Monaural Mixer
· DR-7A Low Impedance Stereo Headphones
· DP-26 Molded Plastic Dust Cover
· SB-300 Tape Recorder Selector
** Dolby Labs, Inc.
SPECIFICATIONS
Power Requirements: 120 Volts AC, 100 Watts, 60 Hz
Tape Speed: 7-1/2, 3-3/4 ips.
Reel Size: 7" Maximum Diameter
Recording System: Quarter-Track Stereo
Rewind and Fast-Forward Time: 60 sec./ 1200 ft.
Frequency Response:
Standard Tape: 30 Hz to 20 kHz ±3 dB @ 7-1/2 ips.
20 Hz to 25 kHz @ 7-1/2 ips.
20 Hz to 17 kHz @ 3-3/4 ips.
SLH-180 Tape: 20 Hz to 30 kHz ±3 dB @ 7-1/2 ips.
20 Hz to 20 kHz @ 3-3/4 ips.
Signal-to-Noise Ratio: Standard Tape: 53 dB SLH-180 Tape: 56 dB
Wow and Flutter: RMS (NAB Weighted) 0.05% @ 7-1/2 ips. 0.09% @ 3-3/4 ips.
Inputs:
2 Line In: (one for each channel)
Plug Type: Phono
Impedance: 100k Ohms
Input Sensitivity: 0.06 V.
2 Microphones: (one for each channel)
Plug Type: Phone
Impedance: Low
Input Sensitivity: -72 dB
Bias Frequency: 160 kHz
Type of Level Indication: Two VU Meters Calibrated to NAB Standards
Head Configuration:
Quarter-Track Erase
Quarter-Track Record
Quarter-Track Playback
Type of Motor:
AC Servo Motor for Capstan x 1
Eddy Current Motors for Reel Drive x 2
Outputs:
2 Line: (one for each channel)
Plug Type: Phono
Impedance: >10k Ohm
Output Level: 0.435 V. (@ 0 VU) Center Detent Position
0.775 V. (@ 0 VU) Max. Vol
100k Ohms Load
Stereo Headphone Jack
Plug Type: Binaural Phone Jack
Impedance: 8 Ohms
Dimensions: 17-9/16" H x 12-1/8" W x 6-7/16" D
Unit Weight: 41 lbs., 9 ozs.

Photo and data direct from Sony(Superscope) brochures. Thanks to A. W. Covert, Battle Creek, MI for this page.