Category:Mid High Fidelity
Country of Manufacture:Japan
Release dates:1965 - 1968
Speeds: 3 3/4, 7 1/2, 15
Max Reel Size("): 7"
Number of heads: 4
Head Composition: Permalloy
Head Configuration: Stereo
Frequency Response:7½ ips: 30Hz - 24kHz
Wow and Flutter:
Sound quality rating:5 / 10
Long-term reliability rating: 5 / 10
This was one of the first of Akai’s “Crossfield Head” recorders. (The M7 has that distinction).
Akai was responsible for introducing this very important advance in recording
technology (although Tandberg also make that claim!)
Instead of utilising the record head to supply high frequency bias (and
as a result erasing some of the high frequency audio material at the same
time), an extra head was installed opposite the record head to provide
the record bias field, leaving the record head free to carry only the
audio signal. This also meant that independent alignment of the record
AND bias head gave optimum performance and a much higher frequency range
at lower speeds.
The X355’s frequency response was claimed to be 30 – 24kHz 3dB
at 7½ ips and was fully solid state with an output of 20 watts per
channel. 4 heads were fitted.
Rewind speed: 36 seconds for 1200ft of tape / Audio output power: 20 watts per channel / Speaker(s): 2 x 6½” circular (X-355 only) / Dimensions: 16¾” x 18″ x 12½” (426 x 457 x 318 mm) / quarter-track stereo