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8

Due to our efforts for constant improvements,

features and specifications listed herein are subject to change without notice.

SPECIFICATIONS

Output Power:

35 watts

Frequency Response:
Power Amplifier:

Direct:    

±

0.5 dB, 20 Hz to 20 kHz

XFMR:   

±

0.5 dB, 50 Hz to 20 kHz

Preamplifier:

±

1.5 dB, 50 Hz to 20 kHz

Distortion:
Power Amplifier:

0.02% (1 kHz)

Preamplifier:

< 0.1% with nominal gain settings

Signal-To-Noise Ratio:
Master Volume Min:

95 dB below rated power

Master Volume Max:

80 dB below rated power

High-Z Inputs:

75 dB below rated power

Low-Z Inputs:

65 dB below rated power

Power Bandwidth:

Direct: 20 Hz to 20 kHz < 0.5% THD
XFMR:  50 Hz to 20 kHz < 0.5% THD

Indicators:

Power Indicator (Red LED)
Activity Indicator (Green LED)
SPS™ Active Indicator (Yellow LED)
Mute 1 and Mute 2 Indicators (Yellow LEDs)

Output Regulation:

Direct:   < 0.5 dB
XFMR:  < 1.0 dB

Outputs:

Direct:  4 ohms

XFMR:  8 ohms, 600 ohms, 25 V and 70 V (balanced)
Ch. 3 Output, Loop Out, AUX Out: 1 V @ 100 ohms

Inputs:
Channel 1

Low-Z 500 

µ

V @ 1.8 K ohms (XLR or screw

terminals)

High-Z 50 mV @ 9.5 K ohms (screw terminals)

Channel 2

Low-Z 500 

µ

V @ 1.8 K ohms (screw terminals)

High-Z 50 mV @ 9.5 K ohms (RCA or screw

terminals)

Channel 3

High-Z 50 mV @ 9.5 K ohms (RCA)

Page

100 mV (600 ohm transformer balanced screw

terminals)

Loop In

1 volt @ 3.6 K ohms

Tone Controls:

Bass:

±

10 dB @ 100 Hz

Treble: 

±

10 dB @ 10 kHz

Contour: +6 dB @ 100 Hz and 10 kHz

Controls:

Channel 1 Volume Control
Channel 2 Volume Control
Channel 3 Volume Control

Page 1 Volume Control (rear panel screwdriver adjust)
Page Mute Threshold Control (rear panel screwdriver

adjust)

Channel 1 Mute Threshold Control (rear panel

screwdriver adjust)

Bass Control
Treble Control
Master Volume Control
Contour Switch
Link Switch
Power Switch

Muting:

Mute 1: Page input overrides Channels 1 through 3 with

adjustable threshold

Mute 2: Channel 1 overrides Channels 2 and 3 with

adjustable threshold

Power Consumption:

Domestic: 100 watts, 60 Hz, 120 V AC
Export: 100 watts, 50/60 Hz, 220/230-240 V AC

TM

®

U.S. Patent No. 5,509,080 for Bass Clipping Circuit

Summary of Contents for UMA 35 T II

Page 1: ...1 Cover for UMA 35TII ...

Page 2: ...ymbole est utilisé pur indiquer à l utilisateur la présence à l intérieur de ce produit de tension non isolée dangereuse pouvant être d intensité suffisante pour constituer un risque de choc électrique Ce symbole est utilisé pour indiquer à l utilisateur qu il ou qu elle trouvera d importantes instructions sur l utilisation et l entretien service de l appareil dans la littérature accompagnant le p...

Page 3: ...tch Channel 3 output RCA phono which gives a non mutable output of Channel 3 AUX output for tape recorders etc Signal activity indicator Power indicator SPS Speaker Protection System circuitry with indicator 4 ohm 8 ohm 25 V and 70 V transformer isolated outputs 600 ohm balanced line level output AC convenience outlet Powder coated steel chassis Optional rack mounting kits available Congratulation...

Page 4: ...es 10 dB CONTOUR SWITCH 6 The in position of this switch provides 6 dB boost at 100 Hz and 10 kHz The out position removes boost from the system MASTER 7 Controls the overall volume level of the system POWER ON LED 8 Indicates when AC power is being supplied to the unit SPS COMPRESSION ACTIVE LED 9 Illuminates when SPS circuitry is active SPS eliminates power amplifier clipping ACTIVITY SIGNAL PRE...

Page 5: ... shown in Figure 1 CHANNEL 1 MUTE THRESHOLD 18 Adjusts the level of incoming signal from Channel 1 required to activate the muting of Channels 2 and 3 Clockwise rotation decreases the amount of signal required for muting Full counterclockwise rotation will disable muting NOTE Signal at Channel 1 input with appropriate Mute Threshold setting will mute Channels 2 and 3 CHANNELS 1 TO 3 SCREW TERMINAL...

Page 6: ...er between 4 ohm and XFMR must be installed For 8 ohm speaker systems connect between the COM terminal and the 8 ohm terminal For distributed speaker systems 25 volt and 70 volt outputs are provided One more output is provided on the UMA Series amplifiers This is a balanced transformer isolated line level output This output is provided for direct connec tion to booster power amplifiers etc This ou...

Page 7: ...s The Page input shall be transformer balanced 600 ohms and shall have screw terminals for the input connec tion The master section shall include one Master Volume level control two EQ controls providing 10 dB boost or cut at 100 Hz and 10 kHz and a Contour switch providing 6 dB of boost at 100 Hz and 10 kHz The unit shall have two levels of automatic muting Mute 1 shall give precedence to the Pag...

Page 8: ...tput Loop Out AUX Out 1 V 100 ohms Inputs Channel 1 Low Z 500 µV 1 8 K ohms XLR or screw terminals High Z 50 mV 9 5 K ohms screw terminals Channel 2 Low Z 500 µV 1 8 K ohms screw terminals High Z 50 mV 9 5 K ohms RCA or screw terminals Channel 3 High Z 50 mV 9 5 K ohms RCA Page 100 mV 600 ohm transformer balanced screw terminals Loop In 1 volt 3 6 K ohms Tone Controls Bass 10 dB 100 Hz Treble 10 d...

Page 9: ...9 Flow Diagram ...

Page 10: ... 2 Remote Volume 10 K Lin Taper Potentiometer Shielded Cable Figure 1 GND HIGH Z LOW Z LOW Z BALANCED MIC Low Z Balanced Microphone Input Connections Figure 3 GND HIGH Z LOW Z HIGH Z INPUT High Z Input Connections Figure 2 ...

Page 11: ...HI LO GND 70V 25V 8 Ω COM XFMR 4 Ω Balanced 1V 600Ω GND 1 V Balanced Output Connectors 70V Constant Voltage Distribution System Note Jumper must be in place HI LO GND 70V 25V Jumper Installed 8 Ω COM XFMR 4 Ω Balanced 1V 600Ω GND Figure 5 ...

Page 12: ...GND 70V 25V 8 Ω COM XFMR 4 Ω Balanced 1V 600Ω GND 4 Ω Direct Output to 4Ω Speaker Direct Output to Multiple Speakers in Parallel Total Impedance 4Ω HI LO GND 70V 25V 8 Ω COM XFMR 4 Ω Balanced 1V 600Ω GND 8 Ω 8 Ω Figure 7 ...

Page 13: ...re To Ask About Products In The Following Categories Modular Series Mixer Mixer Amplifiers Rack Kits for MA Series Products Wall Mount Mixer Amplifiers Non powered Mixers Powered Mixers Equalizers Analog Equalizers Programmable Electronic Crossover Delay Processors Power Amplifiers Loudspeaker Systems Acoustical Components Utility Amplifiers Mixer Amplifiers Rack Kits for UMA Series Products Telep...

Page 14: ...old cleaner if necessary Disconnect unit from power supply before cleaning 14 Care should be taken so that objects do not fall and liquids are not spilled into the unit through the ventilation holes or any other openings 15 This unit should be checked by a qualified service technician if a The power supply cord or plug has been damaged b Anything has fallen or been spilled into the unit c The unit...

Page 15: ...ED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR USE UNDER NO CIRCUMSTANCES WILL PEAVEY BE LIABLE FOR ANY LOST PROFITS LOST SAVINGS INCIDENTAL DAMAGES OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PRODUCT EVEN IF PEAVEY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE THIS LIMITED WARRANTY IS THE ONLY EXPRESSED WARRANTY ON THIS PRODUCT AND NO OTHER STATE ME...

Page 16: ...specifications subject to change without notice A Division of Peavey Electronics Corporation 711 A Street Meridian MS 39301 U S A 601 483 5376 Fax 486 1154 1995 80302222 Printed in U S A 3 96 ARCHITECTURAL ACOUSTICS TM ...

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