Summit Audio TLA-50 Operation Manual
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Summit Audio TLA-50 Operation Manual

Tube leveling ampli?er
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Summit Audio Model TLA-50
Tube Leveling Amplifier
ATTACK
FAST
SLOW
MEDIUM
FAST
SLOW
RELEASE
OUTPUT
RED.
METER

Operation Manual

Summit Audio, Inc.
P .O. Box 223306
Carmel, CA 93922
(831) 728-1302
email: sound@summitaudio.com
5
6
4
3
7
2
8
1
9
0
10
GAIN
TUBE LEVELER
VU
40
60
80
100
7
5
3
1
0
1
2 +3
TLA-50
5
6
4
3
7
LINK
2
8
1
9
ON
0
10
GAIN REDUCTION
BYPASS
POWER

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  • Page 1: Operation Manual

    Summit Audio Model TLA-50 Tube Leveling Amplifier TLA-50 TUBE LEVELER ATTACK FAST SLOW MEDIUM LINK BYPASS FAST SLOW 2 +3 RELEASE POWER OUTPUT RED. METER GAIN GAIN REDUCTION Operation Manual Summit Audio, Inc. P .O. Box 223306 Carmel, CA 93922 (831) 728-1302 email: sound@summitaudio.com...
  • Page 2 • Balanced and Unbalanced Outputs • Hand Crafted in the U.S.A. Carefully unpack the TLA-50 and it’s power cord. Save the car- ton and packing material for possible future use. Before pow- ering up the unit, read this manual and observe the cautions for HIGH VOLTAGE.

  • Page 3: Front Panel

    GAIN GAIN REDUCTION Attack Switch A three-position switch with Fast, Medium and Slow settings which control the time it takes the TLA-50 to respond to the incoming signal, Release Switch This three-position switch controls the time it takes the TLA-50 to return to unity again. As with the Attack Switch, there are three settings: Fast, Medium and Slow.
  • Page 4 In the center IN position, the TLA-50 is switched into the audio path. In the left or LINK position, two TLA-50 units can be linked together by connecting the Stereo Link jacks together with a standard 1/4” cable.

  • Page 5: Rear Panel

    +4 BAL. -10 UNBAL. CARMEL, CA USA A.C. Receptacle The TLA-50 is factory wired for either 100, 115 or 230 Volts AC. Before connecting AC power make sure the TLA-50 is wired for the voltage used in your country. +4 Balanced Output Balanced outputs provide superior noise immunity in the studio and when using long cable runs.

  • Page 6: Balanced Input

    Rear Panel Stereo Link Two TLA-50’s can be linked to process stereo signals. When two units are linked in this way, the leveling action will be the same on both units. The TLA-50 providing the most compression will always control the other unit.

  • Page 7: Basic Operation

    As the amount of gain reduction is increased, the processed audio follows a smooth reduction curve, thereby changing the compression ratio. If a large peak is detected, the unit will automatically increase the compression ratio to keep the audio output controlled. Model TLA-50 Tube Leveling Amplifier...
  • Page 8 Applications Applications Tracking, Live Sound Mixing Plug the TLA-50 into the insert jack or patch bay of your mixing console. If you’re using an external microphone preamplifier, connect the TLA-50 directly after the preamp. Insert Connection TLA-50 PUSH CLASS A -TUBE LEVELER...
  • Page 9 Applications Basic In-line Connection of the TLA-50 Inline Connection TLA-50 MIC PREAMP PUSH PUSH CLASS A -TUBE LEVELER CLASS A -TUBE PREAMP SIDE MODEL TLA-50 OUTPUTS MODEL OUTPUTS WATTS WATTS CHAIN 100V 50/60 HZ 100V 50/60 HZ 115V 50/60 HZ...
  • Page 10 Plug a TRS insert cable into the side chain jack on the back of the TLA-50. Plug the send (tip) of the insert cable to the input of an EQ, and the return (ring) of the cable to the EQ output.
  • Page 11 Example Send the output of a vocal mic into the side chain, with the TLA-50 inserted on the lead guitar track. As the singer uses the vocal mic, the lead guitar will decrease in amplitude. Side Chain TLA-50...
  • Page 12 TLA-50 to your recording device, or high frequency use the XLR output of the TD-100 into the TLA-50 and patch response. the XLR output of the TLA-50 into a microphone preamp, then into your recording device.

  • Page 13: Circuit Explanation

    REDUCTION ATTACK RELEASE The input to the TLA-50 is electronically balanced and directly feeds the unique compression cell. The SIDE CHAIN allows for stereo coupling or the insertion of an equalizer. Due to the combination of tube and solid state circuitry, long term drift of the compression circuit is minimal and tracking between two TLA-50’s stereo linked is within.3dB.

  • Page 14: Electrical Connections

    Tip - - - - Signal output to EQ Ring - - - Signal input (from EQ) Sleeve- - Ground Stereo Link Tip - - - - Signal Sleeve- - Ground Use a shielded patch cord with 1/4” plug. Summit Audio, Inc.

  • Page 15: Specifications

    Fuse size is .5 amp, slo-blo for 100/115 V Fuse size is .25 amp, slo-blo at 230 V Dimensions W: 8.5”, H: 1.75”, D: 8.5” (Two units fit side by side on a standard one-space rack shelf.) Weight 4.4 pounds (2 kg) Model TLA-50 Tube Leveling Amplifier...
  • Page 16 Please fill in and mail your warranty card today. We would like to know a little bit about you. We will provide periodic updates, links, announcements and even free stuff. Be sure to include your email address if you have one. Thanks. TLA-50 Op Rev. D...

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