Eico HF81 Beautiful!! Completely restored!! Must See

Completely Restored  Eico HF81 Integrated tube amplifier

 

These amps
are rated at 14 watts per channel and feature a built in phono stage.

The amp has
been restored with the following work completed:

A complete
bare chassis restoration..chassis cleaned and rca jacks labelled at back.

New Belton  tube sockets and shields in phono/preamp section,
 and  in power/ pre-driver section . Original
sockets for  rectifier tubes.

Completely
rewired with stranded 22 guage wire.

All new
power supply capacitors, 2 40uf/450v , can cap was replaced with a JJ 100uf
dual at 500v, plus an additional 68 uf /250v under the chassis.

 All the small caps were replaced with silver
mica, bypass caps were polypropylene.

Coupling
caps in the preamp section and power amp section are all PIO K40 Russian and
all other small electrolytic caps  also
new.

 Resistors
in the  power supply rail are metal oxide
, plate resistors are Kiwame 2 watt carbon film and all others are carbon film.

The
original speaker terminals and all rca jacks were replaced with binding posts
for the speakers and gold rca jacks for the inputs.

The speaker
terminals have the 4 ohm and 8 ohm taps connected to the binding posts.

The 4 ohm
tap is next to the black terminal.

The
original rca jacks were terrible in these amps, making bad contacts and having
intermittent grounds. The new rca jacks are tight and have a solid ground. This
comes with a new Heyboer extra heavy duty power transformer, which has more
metal core and the heaters can handle a few extra amps than their regular
replacement version.

It comes
with a new power cord.

The Input
selector  was replaced with a new 6x2
switch, and thus all the RIAA phono equalization components have been installed
under the chassis. This improves the phono section drastically in this amp with
NO HUM!!

There are 3
line inputs now, 1 phono and 1 line out.

The
mono/stereo blend switch has been bypassed along with the mono switch on the
chassis. The on/off switch on the treble shaft has been moved to the old tape
switch on the front and a new switch installed.

The volume
pot has been replaced with an ALPS 250k and shaft extender to utilize the
original knob.

 Tubes: 1 EZ81/6CA4
Mullard  Rectifier Tube, 1 EZ81 Amprex
Bugel Boy

           
Phono Stage: 1 Eico Mullard, 1 Rogers Made GT Britain-Canada(Amprex)

             Line Stage 2 Eico Mullard 12AU7

             Preamp- 2  12AX7  Eico
Mullard  

             Power Tubes-4 Matched NOS Sylvania 6BQ5/EL84
Made in USA

          

All the output
transformers are original.

 The chassis front, and sides and top grill
have been repainted..looks great!!

The
faceplate was cleaned and looks very nice. It has all the original knobs.

This one is
dead quiet, with no hum, all the controls were cleaned and are quiet.

There has
been many hours of work to restore this unit thus the higher asking price.

Email for
additional info and pix if required.

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