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18

Frequency Chart

This chart shows the frequency range covered by various instruments and voices.

C D E F G A B C D E F G A B C D E F G A B C D E F G A B C D E F G A B C D E F G A B C D E F G A B C D E F G A B C D E F G A B C

VOCAL

25

31 40

50

62

80 100 125 160 200 250 320 400 500 640 800 1K 1.3K 1.6K 2K 2.5K 3.1K 4K 5K 6.2K 8K 10K 13K 16K 20K

Soprano

Contralto

Baritone

Bass

WOODWIND

Piccolo

Flute

Oboe

Clarinet in B flat or A

Clarinet in E flat

Bass Clarinet

Basset Hom

English Horn

Bassoon

Double Bassoon

BRASS

Soprano Saxophone

Alto Saxophone

Tenor Saxophone

Baritone Saxophone

Bass Saxophone

Trumpet in C

Trumpet in F

Alto Trombone

Tenor Trombone

Bass Trombone

Tuba

Euphonium

STRINGS

Violin

Viola

Cello

Double Bass

Guitar

KEYBOARDS

Pianoforte

Organ

PERCUSSION

Celesta

Timpani

Xylophone

FREQUENCY

25

20

31 40 50 62 80 100 125 160 200 250 320 400 500 640 800 1K 1.3K 1.6K 2K 2.5K 3.1K 4K 5K 6.2K 8K 10K 13K 16K 20K

Typical Frequency of each Instrument and Voice

Middle C

Human Hearing Range

20

Summary of Contents for Tweeq T-231

Page 1: ...LECTRIC SHOCK DO NOT EXPOSETHIS EQUIPMENTTO RAIN OR MOISTURE DO NOT REMOVE COVER NO USER SERVICEABLE PARTS INSIDE REFER SERVICINGTO QUALIFIED PERSONNEL AVIS RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR RIS...

Page 2: ...urant ou une autre sortie de courant sauf si les lames peuvent tre ins r es fond sans laisser aucune pariie d couvert 15 Grounding or Polarization Precautions should be taken so that the grounding or...

Page 3: ...r less 115 Loudest parts at a Heavy Metal concert Product Serial Purchased at Date of purchase 18 Exposure to extremely high noise levels may cause permanent hearing loss Individuals vary considerably...

Page 4: ...d in parallel The balanced XLR connectors are wired as follows Pin 1 shield ground Pin 2 hot Pin 3 cold The 1 4 TRS connectors are wired as follows Tip hot Ring cold Sleeve shield ground 3 Plug all th...

Page 5: ...EVEL 9 3 HI PASS 9 4 LOW PASS 9 5 BYPASS 9 6 CLIP 9 7 RANGE 9 8 POWER 9 REAR PANEL FEATURES 10 9 Line Cord Socket and Fuse 10 10 AC Select Switch 10 11 GND LIFT Switch 10 12 OUTPUTS 10 13 INPUTS 10 GE...

Page 6: ...and of frequencies than a filter with a high Q Q fc BW for you technoids Constant Q means that as a slider is boosted or cut the bandwidth of the filter the skirt of the affected frequencies remains t...

Page 7: ...to the feedback frequency until feedback stops It may take some practice to identify the frequency where the feedback is occurring but your accuracy will improve the more familiar you become with it 4...

Page 8: ...RATED INPUT 12 5W TO CHANNEL OR MAIN INSERT RETURN SEND TO CHANNEL OR MAIN INSERT RETURN SEND WARNING TO REDUCETHE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSETHIS EQUIPMENTTO RAIN OR MOISTURE DO NOT...

Page 9: ...he RANGE switch is set to 6 dB 2 Input LEVEL Use the Input LEVEL control to adjust the gain of the signal as it passes through the T 231 When the Input LEVEL control is in the center position it provi...

Page 10: ...hum or buzz 12 OUTPUTS Three types of connectors are provided for the outputs balanced male XLR and 1 4 TRS Tip Ring Sleeve and unbalanced RCA These balanced outputs are in parallel and provide exactl...

Page 11: ...ver devices that produce heat such as power amplifiers As with all electronic components it is best to provide cool air circulation around the T 231 to avoid overheating The ambient temperature should...

Page 12: ...is used for both 115 VAC and 230 VAC operation 4 Replace the fuse drawer by pushing it all the way back into the IEC socket 5 Reconnect the line cord and turn the POWER switch on If two fuses blow in...

Page 13: ...APCO products living outside the United States can be obtained through local dealers or distributors If your T 231 needs service follow these instructions 1 Review the preceding troubleshooting sugges...

Page 14: ...S Insert Wiring Sleeve Ground Tip Send Ring Return RCA Plugs and Jacks RCA type plugs also known as phono plugs and jacks are often used in home stereo and video equipment and in many other applicatio...

Page 15: ...er frequencies Sliders 20 mm with center detent Level Off to 17 dB Hi Pass 40 Hz 12 dB octave Low Pass 16 kHz 12 dB octave Bypass Bypasses the graphic equalizer Hi Pass and Low Pass filter sections Ra...

Page 16: ...S UNBALANCED LINE OUTPUT RCA BALANCED LINE OUTPUT XLR F 1 2 3 CLIP DETECT CLIP BALANCED LINE INPUT TRS UNBALANCED LINE INPUT RCA BALANCED LINE INPUT XLR F 1 2 3 CHANNEL 2 LEVEL GRAPHIC EQ FILTERS RANG...

Page 17: ...ELECTRIC SHOCK DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE DO NOT REMOVE COVER NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED PERSONNEL AVIS RISQUE DE CHOC ELECTRIQUE NE PAS OUVRI...

Page 18: ...Oboe Clarinet in B flat or A Clarinet in E flat Bass Clarinet Basset Hom English Horn Bassoon Double Bassoon BRASS Soprano Saxophone Alto Saxophone Tenor Saxophone Baritone Saxophone Bass Saxophone T...

Page 19: ...the boundaries of the USA G LOUD Technologies warrants all repairs performed for 90 days or for the remainder of the warranty period This warranty does not extend to damage resulting from improper in...

Page 20: ...tapcogear com...

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