Technical Specifications - Sonic Frontiers SFL-2 Owner's Manual

Preamplifier and power supply
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TECHNICAL SPECIFICATIONS

Frequency Response 2 Hz to 100 kHz ±0.5 dB
(100K load)
> 350 kHz -3.0 dB
THD & N
< 0.1% from 20 Hz to 20 kHz
(@ 1 V output)
typically < 0.03% @ 1 kHz
Gain
22 dB @ 1 kHz (single-ended)
28 dB @ 1 kHz (balanced)
Noise
120 uV unweighted (balanced outputs,
volume control @ 12 o'clock)
-85 dB below @ 2 Volt R.M.S. output
SMPTE (IMD)
< 0.05%, typically 0.03% (balanced)
@ 2 V output
Input Impedance
50 K ohms (single-ended)
100 K ohms (balanced)
Output Impedance
160 ohms @ 1 kHz (single-ended)
320 ohms @ 1 kHz (balanced)
Minimum Recommended Load Impedance 10 K ohms
Output Voltage
Maximum 30 V R.M.S. (single-ended)
(100K/100pf &
Maximum 60 V R.M.S. (balanced)
10K/1000pf loads)
Maximum Input
2.5 V R.M.S. (Volume control fully clockwise)
Stereo Separation
70 dB @ 1 kHz (single-ended)
(Crosstalk)
75 dB @ 1 kHz (balanced)
Power Requirements
135 VA (75 VA in standby mode) 50/60 Hz
1.1 Amps @ 120 V A.C.
Fuse Requirements (2) 1.5 Amp 250 V fast-blo
(100 V to 120 V Countries)
0.75 Amp 250 V fast-blo
(200 V to 240 V Countries)
Tube Complement
8 - 6922 (6DJ8 types)
Dimensions
19" Wide x 13" Deep x 4.5" High
(each chassis)
(48 cm x 33 cm x 11.5 cm)
Weight
55 lbs (25 kg) - unpacked
62 lbs (28 kg) - factory packed
NOTE: All measurements performed with an Audio Precision System One test center.
This symbol is intended to alert the
user to the presence of uninsulated
"dangerous voltage" within the
product's enclosure that may be of
sufficient magnitude to constitute
a risk of electric shock to persons.
This symbol is intended to alert the
user to the presence of important
operating and maintenance (servicing)
instructions in the literature accompany-
ing the appliance.

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