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633 vs 664

This is a comparison between 633 vs 664. This is only a rough guide in helping you come to a conclusion on which is better for you.

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 633 vs 664 633 664
663 vs 664 663 vs 664
Inputs > 6 12
Outputs > 6 4
Recordable tracks > 10 16
Frequency Response > 10Hz to 40kHz 20Hz to 50kHz
THD + Noise > 0.09% 0.09%
Equiv Input Noise > -126dBu max -126dBu max
Input Types XLR mic 3 6
AES3 or AES42 1 2
XLR Line 3 6
TA3 Line 3 6
RTN (3.5mm) 1 3
Max input level XLR mic 0dBu 0dBu
XLR Line +40dBu +40dBu
RTN (3.5mm) +24dBu +24dBu
Max Gain Mic in to Line Out: 91 dB 93 dB
Mic in to Aux out: 77 dB (and -10) 79 dB
Line in to line out: 39 dB 39 dB
High Pass Filter > 80Hz – 240 Hz 80Hz – 240 Hz
Microphone Powering T power / Phantom Power Both Phantom Power
Sampling Frequencies 44.1 kHz YES YES
47.952 kHz YES YES
48 kHz YES YES
48.048 kHz YES YES
88.2 kHz YES
96 kHz YES
192 kHz YES
A/D 24 Bit YES YES
A/D Dynamic Range > 114 dBa 114 dBa
Recording Storage Types SD YES YES
SDXC YES YES
SDHC YES YES
FAT32 YES YES
exFAT formated YES YES
CF YES YES
File Type WAV (Broadcast Wave File) YES YES
Monophonic YES
Polyphonic YES YES
MP3 YES YES
Timecode Modes Rec Run YES YES
Free Run YES YES
24h Run YES YES
External YES YES
Frame Rates 23.976 YES YES
24 Bit YES YES
25 YES YES
29.97DF YES YES
30DF YES YES
30ND YES YES
Accuracy > 0.5 frame in 24 hr 0.5 frame in 24 hr
Power AA batteries 6 5
Li-Ion 2x 7.2V Sony L-type
External 4 pin hirose 4 pin hirose
Environmental > -20C to 60C -20C to 60C
> 0-90% Humidity 0-90% Humidity
Storage -40C to 85C -40C to 85C
Dimensions H 6cm 5.3cm
W 24cm 32cm
D 14cm 19.8cm
Weight unpacked without batteries 1.1 Kg / 2lbs 9 oz 2.15 Kg / 4lbs 12 oz