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Sony 3348
48-channel DASH digital audio recorder. Uses 1/2" tape and provides up to one hour of recording time on 14" reels. DASH (Digtial Audio Stationary Head) format recording has evolved to become the worldwide de-facto standard for large scale multitrack audio recording.

DASH Compadibility:
Compatible with PCM-3324, PCM-3324A, PCM-3324S DASH recorders, allowing recording and playback of existing digital audio tracks 1-24 and the ability to add tracks 25-48.

High Sound Quality:
2X oversampling A/D and D/A with digital filters..

Flexible Digital I/O:
Assignable 2 channel digital I/O (AES/EBU, and SDIF-2 unbalanced) and 48-channel SDIF-2 balanced digital I/O

Advanced Features:
Real-time digital "Ping-Pong" function. Fs shift function shifts down the sampling frequency by 0.1% for film/video operation.

Sound Memory Function:
20 sec stereo/40 sec mono Sound Memory with Start/End point editing. Four trigger modes: Manual, Timecode, Audio and Parallel switch.

High Speed Transport:
Heavy duty transport offers unprecedented speed and stability.

Built-in time code generator/reader capable of handling SMPTE drop frame/non-drop frame, EBU and film time codes 48kHz, 44.1kHz or 44.056kHz sampling frequency selectable

Advanced digital/analog output function enables pre-delay adjustment in 1-sample steps to compensate for signal processing delay in external equipment

Approx 20 seconds of digital audio data can be stored in sound memory and re-recorded back onto tape at any position

Real-time digital ping pong

Comprehensive microprocessor-controlled servo system, unique design and excellent mechanics for fast and stable transport 1/2-inch DASH recorder with 48 digital audio tracks, 2 cue tracks and one track each for CTL and time code signals

Compatible with PCM-3324S/3324A/3324 in recording and playback of digital audio tracks 1 through 24

2 times oversampling digital filtering for both A/D and D/A converters

Offers a wide range of audio interfacing including -balanced analog multi l/O and three types of digital l/O (AES/EBU, SDIF-2 balanced/unbalanced)

AES/EBU: XLR-3-31 type
SDIF-2 balanced:
SDIF-2 unbalanced: TTL level, 75 ohms BNC

SDIF-2 balanced

OTHER OUTPUTS:

WORD SYNC OUT (x 2): TTL level 75 ohms BNC
SECTOR SYNC OUT (x 2): TTL level, 75 ohms BNC
TIME CODE OUT: 2.4Vp-p, 100 ohms(PCM-3348) 1.5 to 8Vp-p
SECTOR ADDRESS OUT: TTL level 75 ohms BNC


GENERAL:

Power requirements: AC 100 to 120V/220 to 240V, 50/60Hz
Power consumption: 1.2kW
Digital Audio IN (x 48): +4dBs (+24dBs max.)
Digital Audio OUT (x 48): +4dBs (+24dBs max.) less than 100 ohms load, balanced
EXT. PHASE CONTROL IN:
10V, 10kohms balanced. XLR-3-31 type
TIME CODE IN: 0.5 to 10Vp-p, 10k1/2, balanced, XLR-3-31 type
SECTOR ADDRESS IN: TTL level, 751/2, BNC
EXT. SPEED CONTROL IN: 10V, 10kohms balanced, XLR-3-31 type
REMOTE 3 IN: SRIF-3 format, RS-422, D-sub 50-pin
CROSSFADE: Punch in/out (fs=48kHz): 1.4 ms to 341.3 ms (in 16 steps)
Splice editing: 5.2 ms
Editing resolution: 1 sector(1ms at fs=48kHz)
Emphasis: 50s/15s, on/off selectable

INPUTS/OUTPUTS:

ANALOG INPUTS:
Analog Audio IN (x 2): +4dBs (+19dBs max)
ANALOG OUTPUTS:
Analog Audio OUT (x 2): +4dBs (+19dBs max.) less than 100 ohms load, balanced
DIGITAL OUTPUTS:
SDIF-2 unbalanced: TTL level, 75 ohms BNC
OTHER INPUTS:
WORD SYNC IN (loop through): TTL level, 75 ohms unbalanced, BNC
SECTOR SYNC IN (Loop through): TTL level, 75 ohms unbalanced, BNC
SYNC INPUT VIDEO: TTL level, 75 ohms unbalanced, BNC,
COMPOSITE VIDEO, COMPOSITE SYNCand SQUARE WAVE
REMOTE 1 IN: SRIF-1 format, TTL level, D-sub 37-pin

TAPE FORMAT/PERFORMANCE:

Recording format: DASH-F double density
Number of tracks: 48 digital audio tracks, CTL track, TC track and 2 cue tracks
Tape speed (at fs=48kHz): 76.20cm/s
Recording time: 60 min with 14-inch reel at fs=48kHz
FF and REW time: 4 min 20s with 14-inch reel

DIGITAL AUDIO SIGNAL:

Frequency response: 20Hz to 21 ,700Hz +O.5dB/-1 OdB
Total harmonic distortion: < 0.1% (+4dBs)

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