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  • Zgodovina razvoja kasetofonov:

    The first compact cassette recorder: Philips EL3300

    • Mono
    • Battery powered
    • Multi-function lever for tape transport control
    • DC motor / unregulated power supply (speed varies with battery voltage)
    • Combined recording/playback head: Permalloy core in bakelite housing
    • Erase head: Permalloy core in plastic housing
    • Built-in amp and speaker
    • Microphone input
    • Speaker output
    • Single uncalibrated tangential-reading moving-coil level meter


    • Philips EL3301
      • Regulated power supply for motor
      • Protection against accidental recording

    The first cassette recorder aimed at stationary use: Philips EL3310

    • Mono
    • Mains power only
    • Horizontal / top-loading design
    • Piano keys for tape transport control
    • Pop-up lid and cassette eject
    • Tone control
    • Shaded-pole AC motor
    • Built-in amp and speaker
    • Single uncalibrated radial-reading moving-coil level meter
    • Wooden case; styling reflected its intended use in e.g. living room

    The first stereo cassette recorder: Philips EL3312, styled similarly to and building upon EL3310

    • Stereo
    • No built-in speakers
    • Built-in amp + speaker outputs
    • Line level inputs and outputs


    • Sony TC-100: Sony's first cassette recorder; a portable with many innovations
      • Mains or battery powered - 4 C cells or rechargeable battery pack, charged within the unit
      • Automatic recording level
      • Line-level input
      • Piano keys for tape transport control
      • Pop-up lid and cassette eject
      • Tone control
    • Sony TC-124: The first stereo portable cassette recorder
      • The same form factor as TC-100, with a single built-in speaker
      • Included F99S stereo microphone
      • Also delivered as TC-124CS with two external speakers
    • Philips N2500: The first (very basic) cassette deck (no built-in amp or speakers)
      • Stereo
      • Playback only
      • Rotary knob for tape transport control
      • Only line-level output


    • The first recording stereo cassette decks
      • Harman Kardon CAD4
        • Manual recording level
        • Two calibrated moving-coil radial scale VU meters
      • Sony TC-125
        • Automatic recording level
        • No level meters
    • Philips N2502: The first cassette changer
      • Magazine holding six cassettes stacked


    • The first hi-fi cassette decks; mostly electronical innovations
      • Advent 200, Harman Kardon CAD5, Fisher RC-80
        • Calibrated moving-coil radial scale VU meters (Advent 200 had one, the other two)
        • Dolby B
      • Advent 200:
        • Type II / CrO2 tape capability
        • Recording sensitivity adjustment
    • Cassette changers
      • Philips N2401: Six-cassette endless loop "ski-slope" magazine
      • Denon TRC-798: Twelve-cassette sliding tray


    • Panasonic RS-275US
      • Ferrite head
      • Solenoid actuated mechanism
      • Button controls
      • Two motors:
        • Direct-drive capstan motor
        • Separate motor for fast forward/rewind
    • Auto-reverse: Panasonic RS-272US
      • Bidirectional tape transport / 4-channel head
    • Memory rewind: Panasonic RS-270US


    • Tandberg TCD-300: Several mechanical innovations
      • Vertical / upright design
      • Soft-touch controls
      • Closed-loop dual capstans
      • Three motors:
        • Hysteresis synchronous AC capstan motor
        • Two direct drive AC reel motors
      • Peak-reading equalized meters
        • Reflecting the treble boost - dependent on tape type - of the signal sent to the recording head
    • Hot-pressed ferrite head: Panasonic RS-276US
    • Crystalline ferrite head: Akai GXC-40D
    • Cassette changer: Panasonic RS-296US
      • Twenty-cassette rotating carousel / "turntable"


    • Top-loading design, controls on front / vertical panel: Teac A-450
    • Stackable/rack design: Uher CG-360
    • Slot-loading: Uher CG-360
    • Logic control: Uher CG-360
    • Dual calibrated, tangential-reading moving coil VU meters: Uher CG 360
    • Automatic tape type sensing: Elac CD 500, Uher CG 360
    • LED peak indicator: Teac A-450
    • Discrete recording and playback heads: Nakamichi 1000 Tri-Tracer, Sony TC-177SD
    • Nakamichi 1000 Tri-Tracer
      • Sensitivity calibration test tone (400Hz)
      • Manual sensitivity calibration
      • Manual recording head azimuth adjustment
    • Type III / FeCr tape capability: Sony TC-177SD, Sony TC-137SD
    • Dolby FM decoding / Dolby copy: Teac A-450
    • Switchable limiter: Elac CD 400, Nakamichi 1000 Tri-Tracer
    • Auto-reverse: Akai GXC-65D
      • Unidirectional / “cassette flipping”
    • Noise reduction
      • ANRS (Dolby B equivalent): JVC CD-1669
      • DNL (playback-only noise gate): Philips N 2510


    • Internal, sloped cassette well behind door: Pioneer CT-F6161


    • FG Servo DC motor: Teac A-44o/A-460
    • Diagonal/sloped top-loading design: Nakamichi 600, Yamaha TC-800
    • Sandwiched recording and playback heads: Akai GXC-570D, Akai GXC-760D, Akai GXC-325D
    • Akai GXC-570D
      • Pitch control
      • Adjustable FFWD/REW speed
    • Peak meters with incandescent light bulbs: Bang&Olufsen Beocord 5000 (model 4705)


    • DBX Type II: Teac A-860


    • Sendust head: Bang&Olufsen Beocord 5000 (model 4715)
    • LED peak meters: Dual C-939
    • LCD peak meters: Sony TC-K8
    • Super ANRS: JVC CD-1770
    • Open cassette bay, hinged head cover: Sansui SC-1100
    • Dual cassette mechanisms: Clarion MD-8181A
    • Blank search: Optonica RT-1515


    • Pressure pad lifter: Nakamichi 580
    • Motor-actuated head bridge: Nakamichi 580
    • Manual bias adjustment: Nakamichi 580
    • Bias and equalisation preset option through exchangeable plug-in card: Teac C-1 (card: CX-8)
    • Fluorescent level meters: Technics RS-641
    • Spectrum analyzer: JVC KD-65, KD-85
    • Auto reverse: Akai GXC-735D ("Quick Reverse")
      • Laterally moving head
      • Infrared leader tape detection
    • Noise reduction
      • adres: Toshiba PC-X6AD


    • Brushless slotless motor: Sony TC-K55/TC-K65/TC-K75
    • Motorized cassette drawer: Sony TC-K88
    • Electronic real-time tape counter: Luxman 5K50
    • Analog VU meters / multi-segment LED peak indicator: Sansui SC-5300
    • Microprocessor control: Eumig FL-1000µP, Sony TC-K61/TC-K65/TC-K71/TC-K75/TC-K77R/TC-K81/TC-U60
    • Eumig FL-1000µP:
      • Opto-electronic capstan servo (no flywheel, photo-etched disc w/ 2500 points)
      • Counter "go to" function
    • Bias calibration test tone: Nakamichi 581/582 (15kHz)
    • Automatic bias, level and eq calibration: JVC KD-A8, Nakamichi 1000ZXL
    • Nakamichi 1000ZXL:
      • Separate bias and erase oscillators
      • Automatic record azimuth calibration
      • 0.6µm playback head gap, 3.5µm record head gap (standard: 1.0µm/4.0µm)
      • Per-index tagging of playback eq, noise reduction and program index as 5Hz/20 bit code (R.A.M.M.)
    • Type IV / Metal tape capability: JVC KD-A5, KD-A6, KD-A7, KD-A8
    • Half-speed recording and playback: Nakamichi 680
    • Noise reduction
      • Super D: Sanyo Plus D64
    • Tandberg TCD-440A: Dyneq & Actilinear
    • Music search (skip more than one track): Toshiba PC-X40, Sony TC-K60
    • Index programming: Nakamichi 1000ZXL


    • Double-speed recording and playback: Teac C-3X
    • Noise reduction
      • Dolby C: Sony TC-FX6C, Nad 6150C
      • High-Com: Telefunken CC-20
    • Tandberg TCD-3004
      • Dedicated calibration meter
      • Powered cassette retention
      • Open cassette bay, separate/removable dust cover
    • Dolby HX: Harman-Kardon HK200XM & HK705


    • ReVox B-710: Four motors:
      • Two direct-drive capstans
      • Two direct-drive reels
    • HX Pro: Bang&Olufsen Beocord 8002
    • Analog mirror peak meters: Alpage AL-80


    • Amorphous head: Teac V-66C, Sony TC-FX66, Sony TC-FX77
    • Automatic playback azimuth calibration: Nakamichi Dragon


    • Play Trim: Nad 6155


    Dolby S: Harman Kardon TD4600 & TD4800
    Digital in, built in 18bit D/A Converter: Aiwa XK9000/7000
    Blank Tape Optimized Recording (no erasing on recording): Aiwa XK9000
    Resonance Damping Wood Base: Aiwa XK9000

    Pioneer CT-S740S
    Super Auto BLE XD (Headroom Extension depending to tape)
    FLEX (Frequency Level Expander)

    Thin Film Head (MR): Technics RS-AZ7
    Pioneer CT-W706DR
    Digital NR
    Digital Flex
    Digital Super Auto BLE XD
    20Bit Legato Link Conversion (playback)
    TDNS Copy

    Pioneer CT-W806DR: full digital program mode for servicing (no trim pots inside)


    Pioneer CT-S670D: complete digital working three header
    ALCA (Auto Level Control with Tape Analysis)
    Legato Link Conversion
    Digital Processing System
    Advanced 3-Head System
    20bit A/D - D/A Converter
    Super Auto BLE XD
    FLEX (Frequency Level Expander)