|Sony MZ-R3||portable recorder|
|in: optical/line, mic. out: hdphn, line. 4.5V ext. pwr.||115.8x29.8x81mm, 265g w/o bat. 360g w/bat|
Features: ATRAC 3. Ni-MH (BP-DM20) rechargeable or 2 AA cells (LIP-12 LiIon rechargeable can be used with separately available external case). Track/disc titling. track delete, move, join, divide. AGC and manual recording level control but cannot manually change recording level during recording. Date & time stamp during recording, stereo/mono recording. bass boost. Recording: AA: 2 hr, Ni-MH: 2 hr, LiIon: 2.5 hr, AA+LiIon: 4.5 hr, Ni-MH+LiIon 4.5 hr. Playback: AA: 4 hr, Ni-MH: 3 hr, LiIon: 4 hr, AA+LiIon: 8 hr, Ni-MH+LiIon 7 hr. Power consumption: Rec: 1.1W, Play: 0.7W
Components: ATRAC IC: CXD-2536R, EFM/ADIP/Servo IC: CXD-2535BR, RF amp: CXA-1981AR
Differences between MZ-R30 and MZ-R3: MZ-R30: Sampling rate converter, track-search (can view other track titles with jog dial while a track is playing), digital synchro-start recording, digital mono recording uses (L+R)/2 (MZ-R3 is L-channel only).
Specs: On playback: 88.6 dB S/N, 87.9 dB Dynamic range, <0.08% from 20 Hz to 18 kHz THD+N at 0 dBFS* -2.7 Linearity error at -90 dBFS. Record/Playback Digital input: 87.1 dB S/N, <0.095% THD+N at 0 dbFS -.014 dB Linearity error at -90 dBFS. Record/Playback via analog input: 83.7 dB S/N, <0.095% THD+N at 0 dbFS +.04 dB Linearity error at -90 dBFS. The bass boost on the portables does this: the Mid setting (dB re 1-kHz level): +16 at 25 Hz +6 at 112 Hz and +5 at 18 kHz. the Max setting (dB re 1-kHz level): +19 at 32 Hz +6 at 185 Hz and +5 at 18 kHz.
Notes: The MZ-R3 has no FAST playback function, but the unit
has a FAST indicator on the LCD (you can see it if you look at the LCD
in oblique light) because it is the same LCD used in the MZ-B3
(dictation recorder), which has the FAST playback function. -Matthew
Links: Sony Page info. A few users prefer Sony's earlier MZ-R1 in comparison to MZ-R3. Ebay has several as well, at more reasonable prices.
Service Manuals: Circuit desc., MZ-R3