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CHERRY 180 WATT VACUUM TUBE AMPLIFIER
This manual provides general, ongoing use and safety information of the Cherry 180
(VTA180M)
Mono Block Amplifier.
General
The new series of mono block amplifiers are the perfect blend of form and function and the ideal choice
for serious music listeners. The Cherry 180 is conservatively rated at 180 Watts rms into 8 ohms and was
designed to drive the most demanding speakers. These amplifiers offer extreme performance that is
difficult to believe, and each amplifier features a high impedance input, an automatic DC restore
r
circuit,
a
“set and forget” bias adjustment, and low idle current which greatly increases output tube life. They
have ultra-wide bandwidth output transformers with interleaved windings capable of the most nuanced
voice as well as huge peak output capacity. Selectable feedback control allows the user to change the
sound of the amplifier from vintage classical to modern contemporary.
From a listening perspective these amplifiers provide a warm, rich sound with a sumptuous and
enveloping sound stage, a great front to back depth of field, and very tight, pin-point imaging within that
larger acoustic. A special current feedback circuit allows the amplifier to “listen to the room” via
feedback from the speakers acting as microphones (using the law of reciprocity). The room-speaker-
amplifier interaction provides a sense of believable ambience and acoustic space that is thoroughly
realistic and quite enjoyable. Additionally, the transformer output impedance allows the signal to follow
the impedance curve of the speaker system, allowing more voltage to be delivered to the loudspeaker at
very low frequencies – providing an exceptional and satisfying low end response.
Safe Operating Conditions
Because of the high power available it is necessary to emphasize some prudent and safe operating
conditions.
1.
Be cautious when lifting the amplifier. It weighs 42 pounds. Make certain that what it is placed
on can support the weight.
2.
The amplifier should be situated so that its location or position does not interfere with its
proper ventilation. The amplifier should never be placed near or over a radiator or heat
register. The amplifier should not be placed in a built-in installation such as a bookcase or
