UPA-1C UltraSeries Loudspeaker & M-1A Control Electronics Unit

Specifications

Acoustical
Frequency Response(1)
...

±4 dB 80 - 18 kHz; -6 dB at 60 Hz & 20 kHz

Maximum SPL (2)
...

 

Continuous
...

at 250 W/8 ohms/ch.: 125 dB; at 60 W/8 ohms/ch.: 120 dB

Peak
...

at 250 W/8 ohms/ch.: 132 dB; at 60 W/8 ohms/ch.: 125 dB

Dynamic Range
...

> 110 dB

Coverage
Horizontal
...

80°

Vertical
...

60°

Transducers
Low Frequency
...

12" Cone driver, 8 ohms

High Frequency
...

1.4" Throat driver, 16 ohms

High-Frequency Horn
...

Modified radial with foam lens

HF Network
...

Y-1PD

Function
...

DC blocking and damped band-elimination filter

M-1A Control Electronics Unit

Specifications

Input Type

...

Balanced (active), 47K ohms

Output Type

...

Active push-pull, will drive 600 ohms

Max. Input/Output Level

...

Balanced: +26 dBu / Unbalanced: +20 dBu

Hum and Noise(3)

...

<-90 dBV

Dynamic Range

...

120 dB

Sense Inputs

...

10k ohms true differential, opto-isolated

Electric Crossover Frequency

...

1600 Hz

Low-Frequency Delay Type

...

Active all-pass

Driver Protection Circuitry

...

RMS limiter

Indicators

Sense, Hi and Lo

...

Green LEDs

Limit, Hi, Lo, and VHF

 

Red LEDs

Safe

 

Green LEDs

Power Supply, Positive and Negative

...

Green LEDs

Controls

Front Panel

...

Input level control, AC on/off switch

Preset Panel

...

VHF control, Lo Cut switch, Safe switch, VHF switch

Connectors

Balanced Inputs/Output

...

3-pin XLR (A-3), RTS 1×4" phone jacks

Subwoofer Circuit Input

...

Unbalanced, 1×4" phone jack (inserts Lo Cut, disables Level control)

Sense Inputs

...

Banana jacks

Notes

1. Measured 1 meter from center of cabinet face, half-space conditions, pink noise input, network set to FLT, smoothed to one-third octave. Low frequency response dependent on load conditions.

2. Loudspeaker driven with pink noise.

3. “A”- weighted, unbalanced.

 

 

 



Specifications

Physical

Architect
Specifications

Datasheet (PDF)

Operating Instructions (PDF)

M-1A Operating
Instructions