Sennheiser S1 - User Manual download pdf

Digital

ANR Headsets:

Sennheiser Scores

High

not

far

ouer the

fences,

Sennheiser's 57 still scores a

home run.

Beyerdynamic's HS

800 might be more of

a hit

for

style-conscious

passengers.

leff

Van West

#,@

'w.ffi

%tr

.riil,

..i'1|

eave

to Cerman engineers to

create solutions that add a

layer

Lo, comprexlty. Lase ln

pornI

are new digital-process ANR head-

sets from

audiophile

manufacturers

Sennheiser and Beyerdynamic, the

S1 and the HS-800, respectively.

Whether the bottom-line expe-

rience

for the wearer is

better or

just

different than top-notch ana-

log headsets like

the Bose A20 or

Lightspeed Zulu is

arguable.

But in

both cases the

digital experience

impressive.

They also comes bundled

with

a wealth of features that earn it

elbowroom in the Lop tier.

For

example, the HS 800 is

quite

sensitive to wind

inside

the cockpit,

such as an open window

on the

ground,

and creates

a thrumming

sound

the earcups. We felt the HS

800 worked well in flight,

and we

wouldn't have noticed

the adjust-

ments had we not been listening

intently. How

quiet

are they? Com-

parable

to the older Bose X headsets,

which is to say

quite

comfortably

quiet.

The

Sennheiser engages the factory

preset

for ANR when

you

first

turn

on. It stays that way until you

press

the Smart

Update

button

on the side

of the

left

earcup.

This

makes the

headset

sample the current noise and

adjust within four seconds.

The

effect of a Smart Update

the 51 is noticeable, if

a bit subtle

at times. We tried it in

both

normal

flight,

where we

resampled

once

for climb and again for cruise,

and

during

touch-and-goes.

The

effect

most

pronounced

when you

resam-

ple

to engine

idle

on the runway and

Adaptive Digital ANR

really does

seem to

work.

Sennheiser

matches or

bests top-end headests

quiet

and features.

and Beyerdynamic H5

800 are comfortabie,

with some caveats.

then

resample

again during climb.

Even without Smart Update, the 51

gives

impressive noise reduction.

With it, the 51 is as

quiet

as any

headset we

ve tried.

Passive noise reduction

(what

happens when

your

ANR batteries

expire) is acceptable on the

800,

but

outstanding on the 51.

The 51

bests the Bose A20 and,

possibly,

the

Lightspeed Zulu on this count.

That

passive

reduction

comes at

cost.

The 51 is big and a bit heavy

I4.5

ounces.

The Zulu is 13.9

and

the

Bose A20

only

12. The HS

800

a svelte

11.9

ounces.

We like to

test this both in flight and b;' wear-

ing

the

headset

all day

the office

while

listening

music

and

making

phone

calls.

The

isn't

too

heavy

for

all

day, but the

difference

is no-

ticeable

after

several

hours.

FlS

SOOT

SIMPLE, COMFY

The

first thing

you

notice about the

Beyerdynamic

HS 800

is it looks like

a high-end headset lor

DIGITAL

ANR: DO

CARE?

All ANR headsets,

digital or

not,

sample

the current

noise signature

the environment to

produce

matched

"anti-noise"

in the headset

earcups. Like

the

new Bose A20,

the

51 and the HS-800 have sensor

mics

inside

and outside

the

earcups.

Most ANR

systems selectiveiy

reduce

certain

frequencies more

than

others

based on a

factory

preset.

The

theoretical

advantage of digital ANR

that these headsets can alter how

aggressively

different

frequencies

are

cut down-they can stray from

that factory

preset-in

response

changes in cabin noise. The noise

your

cockpit at

takeoff

power

isn't

just

louder

than at cruise; it's actu-

ally a different

pattern

ofpeaks

and valleys.

The Beyerdynamic system

continuously resamples

the cockpit

and corrects. The

plus

here is sim-

-r7

plicity.

Turn

the ANR on and the

headset

does the rest. The down-

side is rapidly

changing

noise

can

confuse the system.

Sennheiser's 57 comes with a con-

tral module worthy af a

pro

conch

pltatl,

with contrals

for

Bluetooth MP3

player

phone.

The

buttort to

resilmple rhe

cocltpit

noise

the long

siluer bit om the

left earmp

aboue

the

your home

stereo'

,*dt

mic boam.

1 2 3

Digital 1
SE{l5lOru5 3

Summary of Contents

Page 1 - Digital

l".- Digital ANR Headsets:Sennheiser Scores HighIf not far ouer the fences, Sennheiser's 57 still scores ahome run. Beyerdynamic's HS

Page 2

i$t*ILIX!w:stgIH!ht&l*t*tmtgt#tffitffiIHItrtsl*IHl#asize, but you wouldn'twant to flY that waY forlong.The HS 800 goesdownhill in comfortwhen

Page 3 - SE{l5lOru5

IItThe 51 is bull4t for a mstlern head-set, hut this makes for goad high-fre4uenty noise reductforu. A-l{R islawsed ow lower-frequenty noise.is an op

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Summary of Contents

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