Specifications
TECHNICA L SPECIFICAT I O N S
(AC line set at 117V 60Hz)
INPUTS (6): CD, Tuner, Aux 1, Aux 2/Phono, Tape
and Power
OUTPUTS (3): Tape, Preamplifier and Main Power
Amplifier (0,4,8 ohm)
CONTROLS (3): Input Select, Balance, Volume
SWITCHES (3): Tape/EPL (External Processor Loop),
Mute/Operate, On/Off
TUBE COMPLEMENT: 4-12AU7, 1-12AT7, 8-EL84
POWER REQUIREMENTS: 100-120VAC 60Hz
(Export 200-240VAC 50/60Hz) 255 VA maximum
D I M E N S I O N S : Integrated 1 Chassis: 19" (48 cm) W x 5
1/4" (13.4 cm) H x 13” (33 cm) D, Knobs extend 3/4" (1.9
cm) forward of panel
W E I G H T: Integrated 1 Chassis: Net 36 Ibs, (15.5 kg)
I N T E G R ATED AMPLIFIER SPECIFICAT I O N S
R ATED POWER: 25 Watts continuous: 10Vrms into
4 ohms or 14.14 Vrms into 8 ohms both channels driven
30Hz to 15kHz @ <1% THD&N; (user selectable 4 and 8
ohms taps on rear panel)
FREQUENCY RESPONSE: -0.5dB 30Hz to 25kHz (@ rated
power); -3.0dB 10Hz to 65kHz (@ rated power)
SIGNAL TO NOISE RAT I O : ≤ -83dB (A weighted ref 25W
rated power); ≤ -72dB (Unweighted ref 25W rated power)
T H D & N : ≤ 0.2% 1kHz @ rated power, ≤ 1% 30Hz to 15kHz
@ rated power, ≤ 3% 18Hz to 23kHz @ rated power
P H A S E : Polarity Inverting
INPUT IMPEDANCE: 750k ohms (Line level inputs)
GAIN: +40dB
SE N S I T I V I T Y : 160mV input for rated power (Volume
control @ maximum)
PRE AMPLIF IE R SPECIFICAT I O N S
Line Level Inputs to Pre Outputs
INPUT IMPEDANCE: 750k ohms (line level inputs)
OUTPUT IMPEDANCE: 7k ohms (minimum required load:
100k ohms)
FREQUENCY RESPONSE: -0.5dB 30Hz to 20kHz,
-3.0dB 10Hz to 55kHz
SIGNAL TO NOISE RATIO: ≤ -75dB (Unweighted ref 1V
@ Pre Out); ≤ -85dB (A weighted ref 1V @ Pre Out)
THD&N: ≤0.3% 10Hz to 50kHz (Ref 1V @ Pre Out)
P H A S E : Polarity Inverting
GAIN: +12dB
POWER AMPLIFIER SPECIFICAT I O N S
Power Amplifier Inputs to Main Speaker Outputs
R A TED POWER: 25 Watts continuous into 4 or 8 ohms
both channels driven 30Hz to 15kHz @ <1% THD&N; (user
selectable 4 and 8 Ohm taps on rear panel)
FREQUENCY RESPONSE: -0.5dB 10Hz to 40kHz (1W);
-3.0dB 15Hz to 150kHz (1W); -0.5db 10Hz to 40kHz (@
rated power); -3dB 15 Hz to 100kHz (@ rated power)
S I G N A L T O NOISE RATIO: ≤ -95dB (A weighted ref 25W
rated power); ≤ -87dB (Unweighted ref 25W rated power)
THD&N: ≤1% 30Hz to 15kHz @ rated power; ≤3% 18Hz
to 23kHz @ rated power
P H A S E : Polarity Non-inverting
INPUT IMPEDANCE: 100k ohms (Power Amplifier Inputs)
DAMPING FA C T O R : ≥ 8 @ 8 ohms; ≥6 @ 4 ohms
GAIN: +28dB
S E N S I T I V I T Y: 660mV Input for rated power
All tests were performed with the Audio Precision System One.
N O T E : For technical specifications on the optional Moving
Magnet Phono Module, please contact Sonic Frontiers.










