General Description; Hf P Art - OM POWER OM2000+ Manual

The a mplifier m ust b e i nstalled i n s uch a w ay t hat f ree f low o f h ot a ir f rom t he t ube i s a llowed. T he
amplifier must not be installed in a c onstrained surrounding (i.e. tight shelves etc.). During long
time o peration v entilation g rid c an r each h igh t emperature. D o n ot t ouch i t!
The a mplifier m ust b e p roperly g rounded d uring o peration
During operation the amplifier must be installed in s uch a w ay that the rear side remains
accessible.
The amplifier is an A c ategory product. In a h ousehold it can influence other electric appliances. In
such c ases t he u ser i s t o t ake p roper a ctions t o m itigate t his d isturbance.
Read this manual carefully. Fallow all of instructions during installation and operation to avoid
damage t o t he a mplifier n ot c overed b y m anufacturer´s w arranty! D o n ot a ttempt t o p erform a ny
change o f h ardware o r s oftware!
3. GENERAL DESCRIPTION
3.1. HF p art
T
his amplifier is using a ceramic tetrode FU-­‐728F in a grounded-­‐cathode circuit (input into
control g rids). T he O M2000+ a mplifier a chieves e xcellent l inearity b y t he v oltage s tabilization o f
the c ontrol g rid b ias a nd t he s creen v oltage. T he p ower i nput i s g iven t o t he c ontrol g rids, u sing
a broadband input circuit with an input impedance of 50 Ohms. This adaptable input circuitry
ensures a g ood i nput S WR (
CAUTION
CAUTION
CAUTION
CAUTION
CAUTION
better t han 1 .5 : 1 ) o n a ll a mateur b ands.
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