Member Summary

Sound Rating: 5 / 10 # Owners: 1
Relaibility Rating: 5 / 10 Views: 206

Member Actions

Improve This Post

Technical Details

Brand: Roberts




Electronics:Solid State


Country of Manufacture:USA

Release dates:1961 - 1964

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

Speeds: 3 3/4, 7 1/2

Max Reel Size("): 7"

Number of heads: 3

Head Composition: Permalloy

Head Configuration: Stereo

# Motors: 1

Auto Reverse?:No

Voltage(s): 110-120v

Outputs: RCA

Sound quality rating:5 / 10

Long-term reliability rating: 5/ 10

Additional Details


This was a quarter track stereo recorder with internal power amplifiers and monitor speakers. A single motor was employed for all transport functions and the maximum reel size was seven inches. It was identical to the Akai M-8 recorder and had the crossfield bias system.

As this recorder is identical in every way to the Akai M-8 except for the Roberts

Additional Info


No reviews yet.

Service Report

No Service Report yet.

Leave A Review:

Report Inaccuracies on Roberts 770x

You need to be logged in for this feature to work.