Summit Audio TLA-50 User Manual
Summit Audio Model TLA-50
Tube Leveling Amplifier
ATTA CK
FAST SLOW
MEDIUM
FAST
RELEASE
OUTPUT
METER
SLOW
RED.
2
5
GAIN
6
7
8
9
10
4
3
1
0
Operation Manual
TUBE LEVELER
VU
40
1008060
112+33570
5
4
3
2
1
0
GAIN REDUCTION
TLA-50
6
7
8
9
10
LINK
ON
BYPASS
POWER
Summit Audio, Inc.
P.O. Box 223306
Carmel, CA 93922
(831) 728-1302
email: sound@summitaudio.com
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Introduction
The Summit Audio Tube Leveling Amplifier is a hybrid of technogies. It contains both vacuum tube and solid state components. This combination of old and new technology produces
an incredibly warm and smooth sounding compression device
without the inherent disadvantages of the older designs.
DANGER!
HIGH VOLTAGE
Features
•
Ease of Operation
• “Soft Knee” Characteristic
Switch Selectable Attack and Release Settings
Side Chain Access
Stereo Coupling Capability
Balanced and Unbalanced Inputs
Balanced and Unbalanced Outputs
Hand Crafted in the U.S.A.
Carefully unpack the TLA-50 and it’s power cord. Save the carton and packing material for possible future use. Before powering up the unit, read this manual and observe the cautions
for
HIGH VOLTAGE
•
IMPORTANT:
TLA-50 is configured for the voltage used in your country.
This is done at the factory
.
Check the back panel to make sure the
ONLY
.
Model TLA-50 Tube Leveling Amplifier
2
Front Panel
Front Panel
ATTA CK
FAST SLOW
MEDIUM
FAST
RELEASE
OUTPUT
METER
SLOW
RED.
5
4
3
2
1
6
7
8
9
0
10
GAIN
TUBE LEVELER
VU
40
1008060
112+33570
4
3
2
1
0
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:
The release time setting is also controlled by the program
material. The slower the release time setting, the more the
program material determines and the release time.
Fast, Medium
and
Slow
.
5
TLA-50
6
7
8
9
10
LINK
BYPASS
ON
POWER
Meter Switch
This control switches the front panel meter to monitor either
the output level or the amount of gain reduction taking place.
Gain
This control sets the overall gain of the TLA-50. It controls
the Output Level which can be monitored on the front panel
meter.
Model TLA-50 Tube Leveling Amplifier
3
Front Panel
Gain Reduction
This knob controls the amount of gain reduction taking place,
and the operating point (threshold) where gain reduction
begins. The higher the amount of gain reduction, the higher
the compression ratio becomes.
Bypass Switch
This is a three-position switch. In the BYPASS mode, the
compression cell and the12AX7/ECC83 tube are removed
from the signal chain.
In the center IN position, the TLA-50 is switched into the
audio path.
In the left or
together by connecting the Stereo Link jacks together with a
standard 1/4” cable.
LINK
position, two TLA-50 units can be linked
Power
This switch toggles AC power on and off.
Important - Please Read!
The TLA-50 contains a vacuum tube which
generates heat.
Do not block the cooling holes on the top of the
TLA-50 and always allow adequate ventilation when
mounting the unit in a rack enclosure.
4
Summit Audio, Inc.
Rear Panel
Rear Panel
20
WATTS
MAX
FUSE
CLASS A -TUBE LEVELER
MODEL TLA-50
100V 50/60 HZ
115V 50/60 HZ
SUMMIT AUDIO INC.
CARMEL, CA USA
OUTPUTS
+4 BAL. -10 UNBAL.
SIDE
CHAIN
INSERT
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. +4 dBm corresponds
to 0 VU. The output connector is wired as follows:
Pin 1= Ground, Pin 2 = (+) Signal, Pin 3 = (-) Signal.
-10 Unbalanced Output
Connect the unbalanced output to equipment with unbalanced inputs. 0 VU on the meter corresponds to -10dBm
LINK
PUSH
INPUT
+4 BAL. -10 UNBAL.
Side Chain Insert
The side chain insert jack allows an equalizer to be inserted
in order to perform frequency selective compression.
A separate signal can also be connected to the tip of the jack
in order to duck the signal running through the TLA-50.
Model TLA-50 Tube Leveling Amplifier
5
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