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Кассетная дека Pioneer CT-A1
Among the top tape recorders in cassette format, the CT-A1 is, unfortunately… rare.
Closed-loop dual capstans, three S&F heads, Pioneer’s staple Auto BLE system, high-torque coreless motors, PNP/NPN transistors for the audio stages, a 25dB higher than standard dynamic margin and more – the CT-A1 was a peak.
Auto BLE works with recording a 1khz tone in sixty-four steps of bias variations, recording a 1khz tone in sixty-four steps of level variations and recording a 1khz tone in sixty-four steps of eq variations – then averaging.
At 18kg, the CT-A1 also was a load.
Most of these features would be carried onto the top deck of the “Communication” series (CT_9R) with large reductions in size, weight and… lavish-ness.
Produced as well but very briefly and outside Japan under the Phase Linear brand (Model 7000 Series Two) which Pioneer had briefly acquired at some point before selling it back to Jensen.
The Model 7000 is an exact replica of the CT-A1 but for the color scheme which is gold, bronze and clear.
In one word : shiny and a bit more inviting than the somewhat closed egg the black CT-A1 is.
|Track type :||4 channel /2 track stereophonic|
|Recording head :||1x ribbon sendust|
|Playback head :||1x ribbon sendust|
|Erasing head :||1x special alloy|
|Motor with Constant Speed :||1x quartz PLL direct-drive coreless (capstan)|
|Reel Driving Motor :||1x coreless high-torque (reels)|
|Winding time :||75s (C-60)|
|Wow & flutter :||less than 0.03% (WRMS)|
|Frequency Response -20dB recording|
|STD||20Hz…19Khz (25Hz…16Khz ±3dB)|
|LH||20Hz…19Khz (25Hz…16Khz ±3dB)|
|FeCr||20Hz…20k Hz (25Hz…18Khz ±3dB)|
|CrO2||20Hz…20Khz (25Hz…18Khz ±3dB)|
|Metal||20Hz…19Khz (25Hz…19Khz ±3dB)|
|Auto BLE -20dB recording|
|S/N ratio :||> 60dB (Dolby off)|
|More than 70dB above 5Khz (Dolby on)|
|(3rd harmonic distortion 3% and weighted)|
|THD :||< 1% (0dB)|
|Inputs :||2x MIC (0.3mV / 100mV max /10 kOhm)|
|(applicable microphone impedance: 250 Ohm…10 kOhm)|
|4x line (65mV/15V max/100 kOhm)|
|Outputs :||4x line (450mV / 640mV max / 50 kOhm)|
|1x headphone (63mV / 90mV max / 8 Ohm)|
|Componentry :||42 ICs|
|124 diodes (16 Zener)|
|1 Photo interrupter|
|Dimensions :||42 x 21,7 x 39cm|
|List price :||230,000¥|
|•||Auto BLE (indicator, 9 memories and call functions)|
|•||Level Meter with 2 coloured LEDs (-30…+8dB)|
|•||Display switche for peak / hold / average / dimmer / bright|
|•||4 digit digital tape counter|
|•||Bias adjusting volume|
|•||Auto functions for memory stop/memory play/memoryrepeat/end repeat with indicators|
|•||Dolby system On/Off with indicators|
|•||MPX filter On/Off|
|•||Monitor for Tape/Source|
|•||Pitch Control with Quartz-lock indicator|
|•||Tape Selector with indicators: STD, CrO2, Fe-Cr and Metal|
|•||REC mute with blinker|
|•||Mixing for Line and Microphone|
|•||Warning for backup battery|