True Manufacturing Company PRECISION 8i operation manual Precision, Gain, preamp

PRECISION 8i OPERATION MANUAL

DESIGN APPROACH

PRECISION 8i features a high-voltage composite architecture with discrete devices plus integrated circuits. The totally balanced, dual servo, dc-coupled design provides exceptional transient response, headroom, imaging and noise performance. Critical devices have been selected on the basis of extensive listening tests as well as engineering tests. Military grade, hand-matched components are utilized in critical circuit areas. These design features result in the transparent, detailed sound quality for which TRUE preamps have become known.

SPECIFICATIONS

Gain, preamp:	15.5 to 64dB
DI:	–4 to 44dB
Frequency Response:	1.5 Hz to 500kHz (-3dB)
(gain=40dB)
Maximum Output Level:	+31 dBu
Maximum Input Level:	+15 dBu
Noise (Rs=0 Ohms):	-132 dB e.i.n.
Slew Rate:	>40 V/uS
CMRR (CMV= +10 dBu):	85 dB
THD (preamp) (+26dBu, 100kOhm):	.0008%
Input Impedance, preamp:	5.5 kOhm
DI:	2.5 Mohm
Power Consumption:	44W
Preamp Enclosure Dimensions:	17.5 in. (44.5 cm) W, 13.75 in. (35 cm) D,
	1.75 in. (4.5cm) H
Preamp Front Panel Extension:	1 in. (2.5cm)
Power Supply Unit Dimensions:	6.63 in. (16.8 cm) W, 6.4 in. (16.3 cm) D,
Power Supply Unit Height:	1.75 in. (4.5cm) H
Power Supply Unit Rear Extension:	3 in. (7.6 cm)
Preamp Weight:	10.2 lbs. (4.6 Kg)
Power Supply Unit Weight:	5.0 lbs. (2.3Kg)

Typical performance. Specifications subject to change without notice.

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