Specifications – Studio Technologies 60A User Manual
Page 20

Issue 1, June 2003
Model 60A/61 User Guide
Page 20
Studio Technologies, Inc.
Specifications
Model 60A Central Controller
Audio Inputs: 4, stereo
Type: electronically balanced, direct coupled,
compatible with balanced or unbalanced signals
Impedance: 24k ohms
Nominal Input Level: –10dBv or +4dBu, each
input individually configurable
Common Mode Rejection: 100dB @ DC and
60Hz, 70dB @ 20kHz, 62dB @ 40kHz (typical)
Control Room Output: 1, stereo
Type: electronically balanced, intended to
drive loads of 600 ohms or greater, balanced
or unbalanced
Output Level (input source at nominal level):
–68dBu at 0% rotation (fully counterclockwise),
–50dBu at 25% rotation, –32dBu at 50% rotation,
–14dBu at 75% rotation, +4dBu at 100% rotation
(fully clockwise)
Maximum Output Level: +27dBu into 10k ohms,
+26dBu into 600 ohms
Frequency Response: 10Hz-40kHz +0/–0.5dB
Distortion (THD+N): 0.02% (measured at 1kHz)
S/N Ratio: 87dB (20Hz-20kHz, ref. +4dBu output)
Mono: (L+R) –6dB (voltage) to both left and right
outputs
Mute: output level drops to 90dBu upon application
of contact closure. Contact closure must be ca-
pable of handling 7mA at 15 volts DC.
Dim: output level drops approximately 18dB when
cue (talk to phones) active
Dub Output: 1, stereo
Type: electronically balanced, intended to drive
balanced or unbalanced loads of 600 ohms or
greater
Nominal Output Level: +4dBu, adjustable
+0/–
∞
dB
Maximum Output Level: +27dBu into 10k ohms,
+26dBu into 600 ohms
Frequency Response: 10Hz-40kHz +0/–0.25dB
Distortion (THD+N): 0.005% (measured at 1kHz)
S/N Ratio: 90dB (20Hz-20kHz, ref. +4dBu)
Headphone Output: 2, each jack (front and back)
has separate output circuit
Compatibility: each output intended for connec-
tion to headphones with impedance of 100 ohms
or greater
Maximum Voltage: 8Vpp, 100 ohm load
Auxiliary Switcher:
Applications: allows a 1-in/3-out or 3-in/1-out
switcher function to be implemented
Switching: passive (no electronics in signal path)
Nominal Operating Level: not specified
Contact Material: silver
Contact Rating: 0.1A, 30V, maximum
Life: 10,000 operations per switch position
Connectors:
Audio and Control: ¼-inch, 3-conductor phone
jacks
AC Mains: standard 3-blade plug, meets IEC 320
specifications
Fusing: 1
Type: 5 x 20mm time lag (Littelfuse 218-series or
equivalent)
Rating: 0.200A for 100 and 120V mains power,
0.100A for 220/240V mains power
LED Indicators: 2, power present and control
room mute
AC Mains Requirement:
100, 120, or 220/240V, ±10%, factory configured,
50/60Hz, 100-120V 0.2A maximum, 220/240V 0.1A
maximum
Dimensions (Overall):
19.00 inches wide (48.3cm)
1.72 inches high (4.4cm)
6.65 inches deep (16.9cm)
Mounting: one space in a standard 19-inch
(48.3cm) rack
Weight: 6.5 pounds (3.0kg)