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CD/Cassette Combos
DN-T645

DN-T645 CD/Cassette Combo-Deck

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  Downloads
Datasheet (PDF 432.7 KB)
Owner's Manual (PDF 1.84 MB)
Serial Protocol (PDF 211.6 KB)
Architectural Spec Sheet (PDF 457.4 KB)
Images

Features 

CD Player

  • CD-R/RW Playback compatibility 
  • ±12% Pitch Control
  • CD Text 
  • Repeat mode (Single Track/All tracks/A-B/Random Repeat) 
  • Direct Track Select Buttons or Rotary Track Select Knob 
  • A (11 keys including 0/Clear)10-key pad is provided for direct track selection or to enter up to 99 tracks for programmed playback. 
  • Program Play: Max. 99 tracks
  • MP3 Playback with Folder/File Search
  • Random mode
  • Shock Proof Memory (approx. 10 sec.)
  • Frame Search (75 Frames Per Second) & Back Cue functions 
  • Music Search 
  • Playback Mode: Single/Continuous  
  • Fader Start (by Parallel)
  • Wired Remote Control terminal
  • Stereo Mini jack
  • Synchro Recording to the DN-780R via RCA In/Out (Phillips RC5 compatible) 
  • Mic Mixing Recording
  • Mic Rec mode Select switch: OFF/LINE (You can monitor Mic sound without recording)/REC (Recording Mic Sound)
  • Manual/Auto Gain Control 
  • Cascade IN/OUT 
  • Coaxial Digital Output for CD (SPDIF)
  • Balanced (XLR)/Unbalanced (RCA) switchable Input connectors 

Cassette Deck 

  • Dolby B/C Noise Reduction
  • Dolby HX-Pro Headroom Extension System 
  • Playback Speed Control: ±12% 
  • Memory rewind (Return-To-Zero) 
  • REC Input source switchable between internal CD and external line input 
  • Quick Auto Reverse, 2 Motor Mechanism with optical sensor 
  • 1 button recording 
  • CD-Deck Sync. Recording

General

  • Standard 19inch, 3RU Aluminum Front Panel
  • IR Remote Sensor
  • Relay Playback
  • Power-On Play
  • Independent FL tube displays for both CD & cassette decks
  • Various Preset Functions (25 items)

Options

  • RC-U620: Hand held IR remote
  • RC-41: Wristwatch IR remote
  • RC-620: Wired remote
  • Expanded Connection

In/Out (RCA)

  1. Cascade Function (Figure 1)
    The ports (CASCADE IN/OUT) of multiple DN-T645/T625 units can be linked by cables to enable continuous playback or recording among the units.
  2. Synchronized Recording(Figure 2)
    The ports (EXT. SYNC IN/OUT) of the DN-T645/T625 and multiple DN-780R units can be linked by cables to enable simultaneous recording by all DN-780R units. (Up to 20 units can be connected for continuous recording of the source.)

Input/Output Terminals 

  • Serial D-Sub 9 pin, RS-232C/RS-422A (DN-T645), RS-232C (DN-T625) *1)
  • Parallel Remote (25P D-sub) (DN-T645 only)

*1): For control of remote systems like AMX™ & or Crestron™

Specifications

CD section

 

  Audio Channel

2 stereo channel

  Digital Filter

8-times Oversampling Digital filter

  Frequency Response

20 Hz - 20 kHz

  Total Harmonic Distortion

0.009%

  S/N Ratio

98 dB

  Channel Separation

70 dB

  Sampling Frequency

44.1 kHz (at Normal Pitch)

Analog Outputs (1 kHz, 0 dB playback)

   Balanced

+18dBu at 0 dB disc, 600 ohms, 3-Pin XLR (1: GND, 2: HOT, 3: COLD)
L: +18 dBu, R: -10 dBu (MONO output)

   Unbalanced

2.0 Vrms at 0 dB disc, 10 kohms

Digital Output

  

   Transfer and Connector

Coaxial (RCA)

   Signal Format

IEC-958 Type II (SPDIF)

Cassette Deck section

  

  Heads

  

    Record & Playback

Hard Permalloy x 1

    Erase

Double-gap ferrite x 1

  Motor

DC servo motor x 2

  Wow & Flutter

0.06% wrms

  Fast Forward Time Approx.

110 sec. (C60 tape)

  Speed Adjustment

±12% or better with center click

  Single to Noise Ratio

70 dB (Dolby C on, 3% THD by CCIR/ARM)

Line Input Sensitive

 

  Balanced

90 mV, 120 kohms, 3-Pin XLR (1: GND, 2: HOT, 3: COLD)

  Unbalanced

50 mV, 47 kohms

MIC Input Sensitive

0.775 mV (mic level max.), 1/4" TRS Type

Line Output

 

  Balanced

+4 dBu (0 dB), 600 ohms, 3-Pin XLR (1: GND, 2: HOT, 3: COLD)
L: +4 dBu, R: -10 dBu (MONO output)

  Unbalanced

775 mV (0 dB), 47 kohms

General

 

  Headphone output

15 mW, 33 ohms

  Power Supply

AC120V, 60 Hz

  Power Consumption

25W

  Dimensions

482 (W) x 134 (H) x 275 (D) mm
19.0 (W) x 5.3 (H) x 10.8 (D) inch
(3 Rack Units, Removable Rack Ears)

  Weight

6.7 kg, 14.8 lbs

 

Specifications are subject to change without notice.

 

Dolby noise reduction and HX Pro headroom extension manufactured under license from Dolby Laboratories Licensing Corporation. HX Pro originated by Bang & Olufsen.

"DOLBY", the double-D symbol and "HX PRO" are trademarks of Dolby Laboratories Licensing Corporation.

is a trademark of AMX Corporation.

is a trademark of Crestron Electronics Inc.

D&M Professional

A Division of Marantz America, Inc.

1100 Maplewood Drive

Itasca, IL 60143

Phone: 630.741.0330

Fax: 630.741.0652