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Sound Rating: 5 / 10 # Owners: 1
Relaibility Rating: 5 / 10 Views: 126

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Technical Details

Brand: Roberts

Model:1630

Category:Mid High Fidelity (most Japanese recorders fall into this category)

Application:Consumer

Electronic:Solid State

Country of Manufacture:USA

Release dates:1966 - 1969

Tracks:1/4 Rec/PB+1/2PB

Speeds: 1 7/8, 3 3/4, 7 1/2

Max Reel Size("): 7"

Number of heads: 2

Head Composition: Permalloy

Head Configuration: Mono - Full Track

# Motors:

Voltage(s): 110-120v

Frequency Response:(all 3 dB): 7½ ips: 40Hz - 18kHz

Wow and Flutter:less than 0.2 % at at 7½ ips

Signal-to-Noise Ratio:better than 45dB

Sound quality rating:5 / 10

Long-term reliability rating: 5 / 10

Additional Details

Description

A compact four-track stereo
tape recorder from the Roberts company from around 1966 with a 100kHz
bias oscillator specifically designed to for FM multiplex recording.

This machine still utilised valve circuitry in an age when most tape-recorders
were heading in the direction of solid state electronics.
Features included a single motor, 3 speeds,
pause control, an anti-backlash rocker arm to reduce tape spillage, “accurate”
VU meter, electrical switching and two 5″ x 7″ extended range
speakers.  Maximum reel size was 7″ and an automatic tape shut
off was also provided.
The unit came with two dynamic microphones and
retailed in the USA in 1966 for about $230.00

Additional Info

Valve complement: 12AT7 x 2, 6BM8 x 2, 6CA4 / Audio output power: 5 watts per channel / Inputs: 2 microphone 2 radio / phono / Speaker(s): two built in 5″ x 7″ speakers / Dimensions: 13¼ x 7½ x 13¾” (337 x 191 x 349 mm) / Weight: 35 lbs (15.9 kg) / quarter-track stereo

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