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T7a
T7a
What Hi*Fi
Such as
the
the preset
and
through AMC
Stereo Tuner
Stereo Tuner
TM
AMC
AMC
What Hi*Fi
Stereo Review
softening the 'mixed for portables' harshness.”
“Its when you start to listen that the AMC reveals its true talents.....It's particularly good with rock and pop stations,
presence and realistic timbre, while studio dramas and discussions are easy to follow and hold the attention.
Voices, while slightly warmed, have plenty of character without sibilance being emphasised.”
“....the AMC's mix of warmth and openness is highly attractive. Orchestras and smaller ensembles have good
installed on a double-sided, fiberglass through-hole-plated circuit board is said to insure good reception and
sound quality.”
“Mono/stereo switching is provided to clean up reception of distant signals, and the use of high-grade components
double-sided and thru-hole plated PCB for the best stability from RF through IF to audio.
■ The AMC model T7a was designed to meet professional quality standards for receiving FM or AM programs.
■ Components of the highest grade are used throughout with critical ones selected for the best sound performance.
stations to remain in memory for more than two weeks even if the unit is unplugged from the mains supply.
■ It is simple, easy to use, and offer a superb audiophile quality performance at a very reasonable price.
■ 30 stations (FM or AM) can be entered in the preset mode. They are stored in a non-volatile memory which allows
RDS Module - offer the convenience and benefits of RDS (Radio Data System) but without superfluous
Digital Output Module - to have digital output from tuner in order to be able to make digital recording
confusing button.
1.
2.
listener? enjoyment of the programme, there provides a MONO button on T7a to lock the tuner in the mono mode to
obtain consistently quieter and cleaner sound.
■ When attempting to listen to weak stations, sometimes when the background noise becomes annoying and spoils
■ Its simple and accurate circuit topology gives the unit noise free and low distortion performance.
■ Provides three options to upgrade the unit:
- tube module can be installed for valve listeners.
ADC with digital pre-amp structure.
Tube Module Upgrade
3.
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T7a
ECTION
10 uV
S
UNER
ENSITIVITY
S
AM T
SEABLE
U
P/N: 21-T7a*A
LT-T7a Rev. A
©2001 Weltronics Corp., U.S.A.
30 dB
45 dB
35 dB
45 dB
0.50%
125mV
)
ATIO
INPUT
R
EJECTION
ELECTIVITY
S
EJECTION
R
IF R
MAGE
I
V
M
OISE
/N
, 50
INAL
THD
EVEL
L
UTPUT
O
S
MODULATION
Weltronics Corp., U.S.A.
Division of IEEE Group
P.O. Box 80584
San Marino, CA 91108
626-799-6396 voice
626-799-6541 fax
info@amchome.com
(30%
www.amchome.com
Stereo Tuner
TM
AMC
AMC
PECIFICATIONS
ECTION
S
S
UNER
MONO -30dB THD+N: 11.3 dBf (1.0 uV/75 ohm)
MONO -50dB S/N: 15 dBf (1.5 uV/75 ohm)
STEREO 50 dB S/N: 37 dBf (20 uV/75 ohm)
STEREO 60 dB S/N: 47 dBf (60 uV/75 ohm)
45 and 65 dBf
45 and 65 dBf
65 dB
FM T
ENSITIVITY
S
NPUT
I
ATIO
R
APTURE
C
EJECTION
LTERNATE
A
AM R
ELECTIVITY
HANNEL
C
S
80 dB
EJECTION
R
MAGE
I
60 dB
NTERMODULATION
RF I
90 dB
(19 and 38 kHz): 60 dB
EJECTION
IF R
MONO 1kHz: 0.08%
ODULATION
UPPRESSION
S
100 M
AT
UBCARRIER
THD
S
100 Hz-6 kHz: 0.20%
STEREO 1 kHz: 0.08%
100 Hz-6 kHz: 0.30%
MONO: >78 dB
STEREO: >74 dB
ATIO
R
OISE
/N
IGNAL
S
)
WEIGHTED
, 1HF
F
N
D
65
AT
(
30 Hz- 15kHz
ESPONSE
R
REQUENCY
F
1 kHz: 50 dB
30 Hz-10 kHz: 35 dB
EPARATION
S
TEREO
S
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