SPECIFICATIONS

DMC-12 Preamplifier
Front Panel Controls
•Input Selector switch
•Balance Control switch
•Output Attenuation control
•Mute switch
•Stereo/Mono switch
•Stereo/Reverse switch
•Tape Monitor switch
•Protection Circuit LED indicator

Internal Controls
•Input Trim 10 dB range for aux 1/phono, aux 2, disc, tuner, tape
•Phono Input Impedance selector (opt.)
•Phono Section Gain selector (opt.)
•High Level Gain selector

Rear Panel Connectors
•Signal Ground post (gold)
•4 RCA Input connector sets (gold)
•2 RCA Output connectors (gold)
•Tape Input and Output RCA connector sets (gold)
•DC Power Hi-Rel input connector

DMS-12 Power Supply
Front Panel
•Illuminated Power indicator

Rear Panel
•AC Line connector
•DC Power Output connector
•AC Line fuse
•AC Power switch

DMC-12 Preamplifier Technical Data
Input Compliment:

5 Inputs - aux 1, aux 2, disc, tuner, tape, (phono) optional

2 outputs - main, tape

Control Compliment
Output Attenuation:

32 step conductive plastic custom pot, modified log taper

Continuous action conductive plastic custom pot with center position

0, -20 dB attenuation

0 to -10 dB attenuation all inputs

30 dB, 36 dB gain

Stereo/mono, Stereo/reverse, Tape Monitor

4 plus tape monitor

Recording Amplifiers
Input Impedance:

11K ohms

2K ohms

DMC-12 Mechanical
Weight:

12 lbs (5 1/2 KG)

2 1/2" (6.35cm)H x 19" (48.26cm)W x 12 1/2" (31.75cm)D

DMS-12 Mechanical
Weight:

7 lbs (3 1/4 KG)

2 1/2" (6.35cm)H x 6" (15.25cm)W x 10 1/2" (26.65cm)D

High Level Output Section
Frequency Response:

DC to 3 MHz, -3 dB DC to 12.5 MHz, -1.0 dB

1200 V/us or greater

65 nanoseconds

Less than 0.02% THD and IM

Greater than 90 dB

105 dB A Weighted, ref 100 mV @ 1 KHz

5.8 VRMS, 16.4V P-P

140 mA per channel

30 or 36 dB (selectable)

Model 120 Phono Section (optional)
Gain:

Continuously variable 20 - 40 dB

0.25 dB, 20 Hz thru 20 KHz

Less than 0.01% THD and IM

95 dB A Weighted, ref 100 mV @ 1 KHz

Selectable 10, 30, 100, 800, 47K

optional