Jeff Rowland Design Group 312 owner manual S P E C I F I C At I O N S

Models: 312

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S P E C I F I C AT I O N S

S P E C I F I C AT I O N S

OWNER’S MANUAL MODEL 312 STEREO AMPLIFIER

Output Power, Continuous RMS watts, both channels driven

500 watts @ 8 ohms, 1000 watts @ 4 ohms per channel

 

 

Frequency Response

5 Hz – 45 kHz, -3 dB @ 8 ohms

 

 

Peak Output Current

40 amps

 

 

Dynamic Range

120 dBa

 

 

Load Impedance Range

2 ohms – 16 ohms

 

 

Input Impedance

40k ohms

 

 

THD + Noise, 0.1 watts – 500 watts, 4 ohms

< 0.1%, Typically .01% @ 1 kHz

 

 

CCIF Intermodulation Distortion, 19/20 kHz

< .002%

 

 

Damping Factor @ 1 kHz

> 1000

 

 

Overall Gain (Balanced or Unbalanced)

Selectable Internal Jumper, 26 or 32 dB

 

 

Common Mode Rejection Ratio

> 90 dB, 20 Hz – 20 kHz

 

 

Absolute Phase

Non-inverting, Pin 2 Positive

 

 

Inputs

2 Balanced (XLR), 2 Unbalanced (RCA) (user selectable)

 

 

Outputs

2 pair Parallel Binding Posts per channel

 

 

Power Consumption

Idle – 35 watts, Maximum – 2000 watts

 

 

Amplifier Weight

70 lbs. / 32 kg

 

 

Amplifier Shipping Weight

83 lbs. / 38 kg

 

 

Overall Amplifier Dimensions (H) x (W) x (D)

10.5” x 15.5” x 18.3”

 

267mm x 394mm x 465mm

14 PO BOX 7231, COLORADO SPRINGS, COLORADO 80933 USA E- mail: jrdg@jeffrowland.com WWW. JEFFROWLAND.COM TELEPHONE (719) 473 -1181

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Jeff Rowland Design Group 312 owner manual S P E C I F I C At I O N S