Kenwood - KT-1100SD AM/FM クオーツ・シンセサイザー・ステレオ チューナー

Very rare colletible item!
The Kenwood KT-1100SD is a high-quality Japanese FM stereo tuner from the mid-1980s, designed for serious hi-fi enthusiasts. It belongs to Kenwood’s better “audiophile” tuner lineup and is still respected today for excellent FM reception and sound quality.

Description
Produced around 1984–1987 in Japan, it is:

quartz synthesized digital FM tuner
FM-only model (no AM)
designed for high sensitivity and DX reception
built heavier and more seriously than many later digital tuners

Main specifications:

FM range: 88–108 MHz
Sensitivity: 0.95 µV
Signal-to-noise ratio: 86 dB
Distortion: 0.15%
Selectivity: 70 dB
Weight: 4.6 kg

Special features:

Wide/Narrow IF bandwidth switching
Variable audio output
Multipath outputs for oscilloscope alignment
Voltage/de-emphasis switching
Gold-plated outputs on some versions

Many enthusiasts consider it one of Kenwood’s hidden-gem tuners because of:

very strong reception
clean analog-like sound
upgrade/modification potential
Sound quality

Compared with average 1980s tuners:

noticeably more sensitive
quieter background noise
excellent stereo separation
strong performance in weak-signal areas

Among tuner enthusiasts, Kenwood KT-series tuners are highly respected.
The KT-1100SD is:

uncommon
fairly rare outside Europe and Japan
much rarer than normal Kenwood tuners

Specialist tuner sites describe it as “excruciatingly rare” on the U.S. market.
It is especially valued by:

FM DX hobbyists
vintage tuner collectors
Kenwood “separates” collectors

The KT-1100SD:
predates modern IR remote systems
has no motorized tuning
all controls are manual from the front panel