Sony TC-270 reel-to-reel

What is stereo?

There are now two system of high fidelity, monophonic (monaural) and stereophonic. Monophonic is a system that starts from one microphone and is fed through a single high fidelity set. Stereophonic is a double system. Two separate microphones are placed at different sides of the orchestra and two different systems are used to keep the two signals or channels separated. Two separate speakers are used, placed on different sides of you room. Stereo is much like 3-D photography, two slightly different sound reach your ears giving you a new dimension in sound.

H.H. Scott '59

Sony TC-270 reel-to-reel

The Sony Stereo Tape-recorder TC-270 is a complete stereo tape recorder. This compact, powerful stereo music system consists of an amplifier utilizing Sony silicon transistors, precision tape deck and high performance speaker systems.

The tape transport mechanism, including vibration-free motor, is designed to provide flutter-free, stable tape drive either in vertical or horizontal operation.tape modulation distortion noise is remarkably reduced by the scrape filter.

Other features are; automatic shut-off device, retractomatic pinch roller for easy tape threading, the professional recording techniques of Sound-to-Sound, built-in reel locks and many more.

Specifications:

Tape Speed: 7-1/2, 3-3/4, 1-7/8 ips

Recording Time: 1,5 hours total at 7-1/2 ips, stereo recording with 1,800 ft tape

Reels: 7" or smaller

Semiconductors: 18 transistors; 4 diodes

Recording System: 4-track stereo or monaural

Heads: 1 x Record/Playbak head; 1 x Erase head

Signal-to-Noise Ratio: 50 dB

Distortion: 3%

Frequency Response [NAB / DIN] :

7-1/2 ips ; 30 - 18,000 Hz / 30 -16,000 Hz

3-3/4 ips ; 30 - 13,000 Hz / 40 -12,500 Hz

1-7/8 ips : 30 - 7,000 Hz / -

Wow and Flutter [NAB / DIN}:

7-1/2 ips; 0,12 % / 0,18%

3-3/4 ips : 0,15% / 0,25%

1-7/8 : 0,2% / -

Inputs:

Microphone Inputs

Sensitivity : -72 dB (0,2 mV) / accept low impedance microphones

Line Inputs

Sensitivity : -22 dB (0,06V)

Impedance: 160k Ω

Outputs

Line Outputs

Outputs level : -5 dB (0,43 V)

Load Impedance more than 10 k Ω

Speaker Outputs

Load Impedance : 8 Ω

Headphone Output

Accapts an 8 Ω stereo headphone

Record/Playback Connector

Input Impedance : 3,9 k Ω

Output Impedance : 80 0hm

Power Requirement: AC 220 V, 50 Hz; AC 110,127, 220, 240 V , 50/60 Hz

Power Consumption: AC 55W

Dimensions (W x H x D): 513 x 260 x 387 mm

Weight: 16,5 kg (36 lb 6 oz)

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What is stereo?