Pioneer CT-91

Pioneer T-818

1 9 8 8 1988
1 9 9 0 1990

The CT-91 is less remembered than its subsequent CT-93 version.

If the Reference Master Mechanism and motors are the same (but probably somewhat revised from the CT-A9 1980s biggie), the main differences lie in the electronics and absent functions : no Super Auto BLE and no Dolby S !

Super Auto Ble is Pioneer's tape analysis system for automatic bias & eq settings - manual on the CT-91 and rather compared to the CT-A1.
The erase head also was here a basic ferrite but the rest was kept the same for the next version :
cast-iron transformer, honeycomb copper-plated chassis, honeycomb feet, single-crystal oxygen-free copper wiring, select componentry and three-piece honeycomb cassette stabilizer (as in Sony's contemporary TC-K990ES).
The rec/play heads are Laser Amorphous - as in the CT-A9D revised version of the CT-A9.

The original version was the japanese T-818 - non Elite, of course.

Pioneer CT-91, image 1 Pioneer CT-91, image 2
Pioneer CT-91 specifications
Title Value
Track type : 4 channel /2 track stereophonic
Recording head : 1x Laser Amorphous
Playback head : 1x Laser Amorphous
Erasing head : 1x ferrite
Motors : 1x BSL DC servo (capstan)
1x DC (reels)
1x DC (loading)
FF/REW time : 80s.
Wow & flutter : 0.022% (WRMS)
-20dB Rec Response : 20Hz...23Khz (Metal)
20Hz...21Khz (CrO2)
20Hz...21k Hz (Normal)
S/N ratio : 60dB (Dolby off)
THD : < 0,6% (0dB)
Inputs : 2x line (67mV / 50kOhm)
Outputs : 2x line (316mV / 1,4kOhm)
1x headphone (0,8mW / 8 Ohm)
PC : 25W
Dimensions : 45,7 x 13,35 x 37,2cm
Weight : 10,8kg
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page online since : december 2008
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