Category:Super High Fidelity
Country of Manufacture:Hungary
Release dates:1976 -
Speeds: 3 3/4, 7 1/2, 15
Max Reel Size("): 10.5"
Number of heads: 3
Dimension: 930 mm x 700 mm x 630 mm
Head Composition: Permalloy
Head Configuration: Stereo - Stacked
# Motors: 3
Outputs: XLR Balanced
Frequency Response:15 ips 30-18.000 Hz +-3 dB 7.5ips 40 - 16000 Hz +- 3 dB
Wow and Flutter:.1
Signal-to-Noise Ratio:65 - 64 dB
Sound quality rating:8 / 10
Long-term reliability rating: 8/ 10
Weight: 75 kg
Apparently, there were over 10 different versions of the 610 available.
The STM-600 & STM-610 (stereo) were later models that were standalone tape recorders modular in design and had some upgrades and could work with earlier production models, the STM 200 & 210.
Apparently, these early models had been quite successful selling over 8000 units.
The STM-600 & STM-610 had servo control motors and heads made of Recovac?
Digital tape counter
Equalization NAB or CCIR
Stroboscope for tape speed
Auto shut off
These tape machines were used at the 1980 Summer Olympics held in Moscow, where 2000 units were ordered
Here’s a Website in Romania that may have items for sale
610.04 slow speed 7.5, 15
610.05 North American voltage 60 Hz 117 V
610.09 includes 2 2w amplifiers and speakers
610.10 XLR inputs and outputs
610.11 pitch control
610.13 automatic recording level
610.19 Cueing teacher
610.31 low-speed 7.5, 3 3/4