ATR10 mkII Technical Specifications

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Specifications apply for operation in horizontal position. 

Line voltage:  120VAC @ 60Hz

Ambient temperature:  25°C

Tape speeds:

15 ips (38.1 cm/s)

7.5 ips (19.05 cm/s)

Tape speed deviation:

< +/- 0.2%

Tape slip:

< 0.1%

Tape reels:

Max. diameter: 10.5” (26.5cm)

Min. hub diameter: 2.34” (60mm)

Tape width:

¼” (6.35mm)

Wow and flutter:

Weighted according DIN 45507.

15 ips: <0.05%

7.5 ips: <0.07%

Winding time:

Fast Forward / Fast Rewind: Approx. 90 sec. for 2500ft (762m) tape

Slow Forward / Slow Rewind (Library Wind): Approx. 5 min. for 2500ft (762m) tape

Stopping time from spooling:

Measured around the middle of a 2500ft (762m) tape on metal 10.5” (26.5cm) NAB reel.

Normal Braking: Approx. 6 sec.

Fast Braking: Approx. 2 sec.

Tape tension:

Electronically regulated. Tested with 10.5” (26.5cm) reels.

Supply reel side: 0.45N +/-0.05N

Take-up reel side: 0.60N +/-0.05N

Measured with RMGI 911 tape.

Outputs:

RCA/XLR outputs:  Output impedance: 75Ohm

Load impedance: 5kOhm min.

Headphones output: Output impedance: 180Ohm

Load impedance: Any

Output level:

RCA/XLR outputs:  0.55Vrms @ 0dBVU

Headphones output: max. 6.4Vrms

Equalizations:

NAB and IEC (CCIR), switch selectable

Equalization time constants:

NAB (7.5ips): 50/3180 µs

NAB (15ips): 50/3180 µs

IEC (7.5ips): 70/16000 µs

IEC (15ips): 35/16000 µs

Frequency response:

15ips: 18Hz – 25kHz (+2/-3dB)

7.5ips: 14Hz – 21kHz (+2/-3dB)

Signal-to-noise ratios:

RMS, weighted according to ASA-A reference to +6dBVU (510nWb/m)

NAB (7.5ips): 71dB

NAB (15ips): 73dB

IEC (7.5ips): 71dB

IEC (15ips): 73dB

Distortion:

THD measured at 1kHz

15ips, 0dBVU: <0.15%

15ips, +6dBVU: <0.5%

15ips, +13dBVU: <3%

Power consumption:

Stop:  55W

Play: 120W

Spooling: 130W

Library Wind: 160W

Operating temperatures:

50°F – 104°F (10°C – 40°C)

Relative humidity:

20% - 90%, non condensing

Weight:

44 lbs. (20kg)