SPECIFICATIONS
MIXER |
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Input Impedance: | Mic: | 600 Ohms XLR balanced | |
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| Source: 22K Ohms RCA | |
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| Insert: | 22K Ohms 1/4” TS unbal. |
Max Input Level: | Mic: | ||
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| Source: | 24 dBV |
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| Insert: | 24 dBV |
Connectors: |
| 2: XLR, 8: Stereo RCA, 3: 1/4” TRS, | |
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| 4: | |
Phantom Power: |
| +12 VDC | |
Max Gain: |
| Mic: | 60 dBV |
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| Source: 26 dBV | |
Tone Controls: |
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Noise Floor: |
| Speaker out: | |
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| Pre Out: | |
S/N Ratio: |
| 96 dBV |
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Priority Attenuation: | 60 dBV |
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POWER AMP |
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Power Output, | Stereo: | 100 Watts RMS/Ch. 4 Ohms (Both channels driven) | |
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| 70 Watts RMS/Ch. 8 Ohms | |
| Bridged: | 200 Watts RMS - 8 Ohms/70V | |
Output Matching: |
| 4, 8, 16 Ohms, 25V Stereo, 70V Mono | |
THD: |
| <.08%, (1 kHz @ 1 Watt) | |
Outputs: |
| RCA Record Out, | |
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| Amp Outputs | |
Power Bandwidth: | 60 Hz - 30 kHz, +/- 1 dB | ||
Damping Factor: |
| > 150 |
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Slew Rate: |
| 100 Volts/microSecond | |
Phase Shift: |
| <10 Deg., 20 Hz - 20 kHz | |
Power: |
| 120 VAC, 60 Hz 2.5A | |
Size: |
| 19” x 3.5” x 7.5” (48 x 9 x 19 cm) | |
Weight: |
| 12 lbs (5.5 kg) | |
SCHEMATIC |
POWER AMP SECTION |
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DESCRIPTION
FRONT PANEL
Mic 1, 2: Adjust the level of signal from the corresponding Mic Input.
TONE 1, 2: Adjusts the frequency content of the microphone signal in the chan- nel. When the control is turned
Source 1 - 3: Adjust the volume of input from the RCA Source Inputs.
Bass: Adjusts the low frequencies of the Source 1 and 2 signals only.
Treble: Adjusts the high frequencies of the Source 1 and 2 signals only.
Left / Right Output: Adjusts that channel’s output level Clip. LED indicating clipping in the MA2152 amplifier.
Power: LED indicating power is applied to the MA2152 and the unit is on.
REAR PANEL
FUSE: 4 Amp fuse.
4 - 8 Ohm / 25 Volt Output: The two red banana jacks are used when the MA2152 is in Bridge/Mono, or 70V mode.
RECORD OUT: Stereo RCA jacks, contains all mixed signals before the Master Level controls.
SOURCE INPUTS: Stereo RCA jacks, Channels 1 - 3, for connection to stereo sources such as AM/FM tuners, cassette players, cd players, or video players. LEFT/RIGHT AMP INSERT: 1/4”
DIP SWITCH: Contains the small switches for engaging Mic 1, 2 phantom power, Source 3 Stereo or Mono, the priority (Talk Over) functions, and the Mono/Stereo select.
MICROPHONE ONE and TWO: Balanced XLR inputs to be connected to dynam- ic or condenser microphones.
BRIDGE SWITCH: This switch selects the output configuration; Bridge Mono, or Stereo / Dual Mono.
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