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MTR-15 Analog Audio Tape Recorder
This product has been discontinued.
Features | Specifications
Specifications
Tape Transport
Tape Width, No. of TracksMTR-15N (N-M): 1/4" (6.3 mm) width tape, 2 track 2 channel NAB
MTR-15D (D-M): 1/4" (6.3 mm) width tape, 2 track DIN stereo
MTR-15T (T-M): 1/4" (6.3 mm) width tape, 3 track 2 channel NAB + timecode
MTR-15H-M: 1/2" (12.7 mm) width tape, 2 track 2 channel NAB
MTR-15H2/4-M: 1/2" (12.7 mm) width tape, 4 track 2 channel NAB
Reel SizeNAB 5 to 12.5" (318 mm), EIA (Cine), DIN. Maximum Tape length = 3750 ft (1143 m, tape thickness 50μm)
Tape Speed30, 15, 7.5 and 3.75 ips
Tape Speed AccuracyWithin ±0.06%
Deviation: max. 0.1%
Pitch Control Range±50% from nominal speed (resolution 0.01% step)
VEM Speed Range+100 to +0%
External Sync Speed Range-50 to +100% from nominal speed (3.75, 7.5, 15 ips), -50 to +50% from nominal speed (30 ips)
Wow & Flutter
(DIN 45507 Peak WTD)		76.2 cm/s: Less than ±0.04%
38.1 cm/s: Less than ±0.05%
19.05 cm/s: Less than ±0.07%
9.53 cm/s: Less than ±0.10%
Start Time
(Play/Rec. Max. time to within twice specified wow & flutter. With 12.5" reels.)		1/4" 30 ips = max. 0.7 s
1/4" 15 ips = max. 0.5 s
1/4" 7.5 ips = max. 0.3 s
1/4" 3.75 ips = max. 0.3 s
1/2" 30 ips = max. 1.0 s
1/2" 15 ips = max. 0.7 s
1/2" 7.5 ips = max. 0.5 s
1/2" 3.75 ips = max. 0.4 s
Stop Time (with 10.5" reels)1/4" 30 ips = max. 0.7 s
1/4" 15 ips = max. 0.5 s
1/4" 7.5 ips = max. 0.3 s
1/4" 3.75 ips = max. 0.3 s
1/2" 30 ips = max. 1.0 s
1/2" 15 ips = max. 0.7 s
1/2" 7.5 ips = max. 0.5 s
1/2" 3.75 ips = max. 0.4 s
From 472 ips = max. 3 s
Fast Wind TimeLess than 75 s (762 m tape), Less than 120 s (1143 m tape)
HeadsMTR-15N: Erase = ferrite (2 mm trk width), Rec = hard permalloy, Repro = hard permalloy
MTR-15D: Erase = ferrite (2.75 mm trk width), Rec = hard permalloy, Repro = hard permalloy
MTR-15T: Erase = ferrite (2, 0.38 mm trk width), Rec = hard permalloy, Repro = hard permalloy, TC E/R/P = ferrite
MTR-15H-M: Erase = ferrite (5 mm trk width), Rec = hard permalloy (cylindrical), Repro = hard permalloy (cylindrical)
MTR-15H2/4-M: Erase = ferrite (2.2 mm trk width), Rec = hard permalloy, Repro = hard permalloy
Plug-in head blocks with independent adjustment of azimuth, zenith, and wrap
Stainless steel tape guide and scrape filter roller installed
MotorsCapstan: Servo controlled quartz crystal controlled phase locked loop direct drive DC motor
Reel: DC closed-loop bi-directional servo
Electronics
Line InputMode: Transformerless Active Balanced (transformer optional)
Input Impedance: 10 kΩ (20 Hz to 20 kHz. With optional transformer: 10 kΩ)
Norm. Input Level: +4 (0 to +13) dBu or -16 (-20 to -7) dBu (switchable/adjustable)
Max. Input Level: +30 dBu
Connector: XL-3 type, female
Timecode InputMode: Transformerless Active Balanced
Input Impedance: 10 kΩ (20 Hz to 20 kHz)
Nom. Input Level: 2 Vp-p
Max. Input Level: 4 Vp-p
Min. Input Level: 0.2 Vp-p
Connector: XL-3 type , female
Line OutputMode: Transformerless Active Balanced (transformer optional)
Output Impedance: 5Ω (20 Hz to 20 kHz), 50Ω (With optional transformer)
Load Impedance: min. 200Ω
Nom. Output Level: +4 (0 to +13) dBu or -16 (-20 to -7) dBu (switchable/adjustable)
Max. Output Level: +26 dBu (200Ω bal. load), +21 dBu (200Ω unbal. load), +26 dBu (with optional transformer. Bal/Unbal. load)
Connector: XL-3 type, male
Timecode OutputMode: Transformerless Active Balanced
Output Impedance: 5Ω (20 Hz to 20 kHz)
Nom. Output Level: 2 Vp-p
Max. Output Level: 4 Vp-p
Connector: XL-3 type, male
Headphone OutputConnector: 1/4" stereo phone jack
Impedance: 8 to 10Ω
EqualizationNAB, IEC (CCIR), NAB-J switchable
76.2 cm/s is fixed to AES
Reference Flux LevelAudio Tracks: 185, 200, 250, "250", ""320", 370 and "510" nWb/m at 1 kHz
Timecode Track: 707 nWb/mp-p ±3 dB (250 nWb/m rms sinusoidal signal, recorded without EQ)
Frequency Response (Rec/Rep)76.2 cm/s: 40 Hz to 28 kHz±2 dB, 60 Hz to 20 kHz±1 dB
38.1 cm/s: 30 Hz to 22 kHz±2 dB, 40 Hz to 18 kHz±1 dB
19.05 cm/s: 20 Hz to 18 kHz±2 dB, 30 Hz to 15 kHz±1 dB
9.53 cm/s: 20 Hz to 10 kHz±2 dB, 30 Hz to 8 kHz±1 dB
Frequency Response (Sel-Rep)76.2 cm/s: 40 Hz to 20 kHz±3 dB
38.1 cm/s: 30 Hz to 12 kHz±3 dB
19.05 cm/s: 20 Hz to 5 kHz±3 dB
9.53 cm/s: 20 Hz to 2.5 kHz±3 dB
Signal-to-Noise Ratio
(UNWTD,
30 Hz to 18 kHz BPF)		MTR-15N, T
AES 76.2 cm/s, 1040 nWb/m = 71 dB
IEC 38.1 cm/s, 1040 nWb/m = 71 dB
IEC 19.05 cm/s, 1040 nWb/m = 68 dB
IEC 9.53 cm/s, 740 nWb/m = 64 dB
NAB 38.1 cm/s, 1040 nWb/m = 69 dB
NAB 19.05 cm/s, 1040 nWb/m = 71 dB
NAB 9.53 cm/s, 740 nWb/m = 64 dB
NAB-J 38.1 cm/s, 1040 nWb/m = 71 dB
MTR-15D
AES 76.2 cm/s, 1040 nWb/m = 72 dB
IEC 38.1 cm/s, 1040 nWb/m = 72 dB
IEC 19.05 cm/s, 1040 nWb/m = 69 dB
IEC 9.53 cm/s, 740 nWb/m = 65 dB
NAB 38.1 cm/s, 1040 nWb/m = 70 dB
NAB 19.05 cm/s, 1040 nWb/m = 72 dB
NAB 9.53 cm/s, 740 nWb/m = 65 dB
NAB-J 38.1 cm/s, 1040 nWb/m = 72 dB
MTR-15H
AES 76.2 cm/s, 1040 nWb/m = 75 dB
IEC 38.1 cm/s, 1040 nWb/m = 75 dB
IEC 19.05 cm/s, 1040 nWb/m = 71 dB
NAB 38.1 cm/s, 1040 nWb/m = 73 dB
NAB 19.05 cm/s, 1040 nWb/m = 75 dB
NAB-J 38.1 cm/s, 1040 nWb/m = 75 dB
Distortion (Rec/Rep, 15ips, 1 kHz)250 nWb/m: Less than 0.3%
“320” nWb/m: Less than 0.3%
“510” nWb/m: Less than 0.6%
1040 nWb/m: Less than 3%
Erase and Bias Frequency192 kHz
Erase Efficiency
(1 kHz, 1040 nWb/m, 15 ips)		MTR-15N, T: min. 80 dB
MTR-15D: min. 75 dB
MTR-15H-M: min. 75 dB
CrosstalkMTR-15N: min. 60 dB (between adjacent audio tracks)
MTR-15D: min. 50 dB (between adjacent audio tracks)
MTR-15T: min. 65 dB (from audio track to TC track)
MTR-15T: min. 75 dB (from TC track to audio track)
MTR-15H-M: min. 55 dB (between adjacent audio tracks)
MTR-15H2/4-M: min. 50 dB (between adjacent audio tracks)
Test Oscillator Frequency10 Hz to 25.5 kHz sine wave. Auto/Manual sweepable
TC Readable Speed38.1 cm/s: up to 25x nom. playback speed
19.05 cm/s: up to 35x nom. playback speed
Miscellaneous
Power Supply Requirement100, 117, 220, 240 VAC ±10%, single phase 50/60 Hz
Power Consumption (MTR-15N)Idle: 150 VA, Rec/Rep: 210 VA, Max.: 340 VA
Operating EnvironmentTemperature: 5 to 40°C, Relative Humidity: 20 to 80%
Storage EnvironmentTemperature: -20 to +45°C, Relative Humidity: 10 to 80%
Dimensions (W x D x h, mm)MTR-15N/T/D/H: 482 x 488 x 324
MTR-15 (N/T/D/H) -M: 482 x 605.5 x 603
WeightMTR-15N/D/H: 46 kg
MTR-15T: 47 kg
MTR-15 (N/D/H)-M: 49.5 kg
MTR-15T-M = 50.5 kg
Standard AccessoriesPower Cord x 1
Operation Manual x 1
Rack Mount Adapter x 2
Reel Clamper x 2 (NAB 1/2" or 1/4")
DIN 11.8" Reel x 2 (MTR-15D only)
VU Meter Lamp x 1
Fuse x 1
Lubrication Oil x 1
Overlay Sheet for Push Buttons x 4 (Fader, Review, SEARCH 4, Search start)
Optional AccessoriesPB-7SDAS: Extender PCB Kit
ZA-6UD-S: 2nd Parallel I/O Kit
PB-4PNAS: Serial I/O PCB Kit
ZA-5CV: VEM (Voice Edit Mode) PCB Kit
CB-127-S: CB-127 Transport Remote Controller
CB-119-S: CB-119 Auto Locator
CB-120-S: CB-120 Auto Locator (Tachometer version)
CB-120AS: CB-120A Auto Locator (Timecode, Serial I/O)
CB-120BS: CB-120B Auto Locator (Timecode, Parallel I/O)
EC-102-S: EC-102 Synchronizer/Timecode Generator
CB-131-S: CB-131 Synchronizer Remote Controller
ZA-81A-S: Pedestal (Stand) with Reel Spacer
ZA-81B-S: Pedestal (Stand) without Reel Spacer
SB-12S-S: Tape Cutter (for Editing)
ZA-76L-S: Tape Marker (for Editing)
PB-1CEBS: LINE OUT AMPLIFIER PCB Kit (with Mono/Stereo Switching)*
PB-7UMAS: Fader Start PCB Kit*
PB-7UNAS: Timer BCD OUT PCB Kit*
ZA-94S-S: Input Transformer**
ZA-94T-S: Output Transformer**
SR-11K-S: Photo Sensor (for Transparent Timing Tape)**
SR-21A-S: Proximity Sensor (Tape End Detection)**
ZA-41A-S: Conversion Kit (1/4-inch to 1/2-inch)**
ZA-41B-S: Conversion Kit (1/2-inch to 1/4-inch NAB)**
ZA-41C-S: Conversion Kit (1/2-inch to 1/4-inch DIN)**
KH-44E-S: Full-Track Head Assembly**
ZA-6UUS: Noise Reduction Connector Kit**
* Factory Option, ** Manufacture to Order
Specifications are subject to change without notice or obligation.