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Sony Models TC-770-2, TC-770-4 and TC-772

Professional AC/DC Portable Stereo Tape Decks

TC-770-4 shown (typical)

Designed especially for “On Location” recording by professionals and serious recording enthusiasts, the superb TC-770-series take studio console performance and specifications to both remote and home applications.

FEATURES:

Built in rechargeable Ni-Cad Battery Pack

Balanced XLR Mic inputs

Microphone/Line Mixing

Built in Peak Limiter

Servo Controlled Motor w/vari-speed pitch control

Tape/Source Monitoring

Ultra-High Frequency Bias

Sound-on-Sound Capability

Scrape Flutter Filter

Automatic Shut-off

Automatic Tape Lifters

Electrical Speed Change

Pushbutton Operation

Two VU Meters (Calibrated to NAB Standards)

Four-Digit Tape Counter

Record Interlock

Record Equalization Selector Switch (TC-772)

SPECIFICATIONS

Power Requirements:

TC-770: 117 Volts AC, 25 Watts, 60 Hz

TC-772: 117 Volts AC, 15 Watts, 50/60 Hz

All models: 12Volts DC (car adapter cord DCC-2AW or Battery Pack BP-17)

Tape Speed:

TC-770: 7-1/2, 3-3/4, 1-7/8 ips.

TC-772: 15, 7-1/2 ips.

Reel Size: 7' Maximum Diameter

Recording System:

TC-770-4: Quarter-Track Stereo, Half-Track and Quarter Track Playback

TC-770-2 and TC-772: Half-Track Stereo, Half-Track and Quarter Track Playback

Rewind and Fast-Forward Time: 100 sec./1200 ft.

Frequency Response:

TC-770 Standard Tape:           20 Hz to 22 kHz @ 7-1/2 ips.

40 Hz to 18 kHz ±2 dB @ 7-1/2 ips.

40 Hz to 15 kHz @ 3-3/4 ips.

50 Hz to 10 kHz @ 1-7/8 ips.

TC-772 Standard Tape:           40 Hz to 23 kHz ±2 dB @ 15 ips.

40 Hz to 18 kHz ±2 dB @ 7-1/2 ips.

 SLH-180 Tape:           40 Hz to 25 kHz ±2 dB @ 15 ips.

                        40 Hz to 19 kHz ±2 dB @ 7-1/2 ips.

Signal-to-Noise Ratio: 

            TC-770-4        Standard Tape: 56 dB

            TC-770-2        Standard Tape: 58 dB

TC-772            Standard Tape:             58 dB

SLH-180 Tape:            60 dB

Wow and Flutter:

TC-770:

0.09% @ 7-1/2 ips

0.12% @ 3-3/4 ips

0.20% @ 1-7/8 ips

TC-772:

0.05% @ 15 ips

0.06% @ 7-1/2 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: XLR

Impedance: Low (250-600 ohms)

Input Sensitivity: -72 dB

Bias Frequency: 160 kHz

Type of Level Indication: Two VU Meters Calibrated to NAB Standards

Head Configuration:

            TC-770-4: TC-770-2 / TC-772

1 Quarter-Track Erase 1 Half-Track Erase

1 Quarter-Track Record           1 Half-Track Record

1 Quarter-Track Playback        1 Half-Track Playback

1 Half-Track Playback 1 Quarter-Track Playback

Type of Motor: DC Servo

Outputs:

2 Line: (one for each channel)

Plug Type: Phono

Impedance: 600 Ohms

Output Level: 0.775 V. (@ 0 VU)

1 Stereo Headphone Jack

Plug Type: Binaural Phone Jack

Impedance: 8 Ohms

Dimensions:      16-1/8" W x 5-13/16" H x 15-5/16" D

Unit Weight:

TC-770:           24 lbs  11oz.

TC-772:           26 lbs.

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

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